Grinding wheel repairing device of centerless grinding machine

Abstract

The utility model relates to the technical field of centerless grinding machines, and discloses a grinding wheel repairing device of a centerless grinding machine, which comprises a supporting plate, the top end of the supporting plate is fixedly connected with an adjusting block, the top end of the adjusting block is provided with an adjusting groove, and the bottom end of the inside of the adjusting groove is provided with an adjusting groove. According to the device, under the cooperative use of a first motor, a rotating screw rod and a rotating screw sleeve, the position of an arc grinding plate is driven to be adjusted before and after grinding, and the arc grinding plate is driven to rotate; and under cooperative use of a second motor, a movable screw rod and a movable screw sleeve, an arc grinding plate is driven to be close to the grinding wheel body, grinding of the grinding wheel body is completed, and through fixation of the whole device to the position of the arc grinding plate, the uniform effect of the grinding wheel body is improved when the grinding wheel body is ground, and the grinding efficiency of the grinding wheel body is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of centerless grinding machine, concretely is a kind of grinding wheel device of centerless grinding machine. BACKGROUND

[0002] Centerless grinding machine is a kind of grinding machine without adopting workpiece shaft positioning to carry out grinding, mainly by grinding wheel, adjusting wheel and workpiece support three mechanisms, wherein grinding wheel actually undertakes the work of grinding, adjusting wheel controls the rotation of workpiece, and controls the feed speed of workpiece, as for workpiece support, it supports workpiece during grinding, the three kinds of components can have several cooperation methods, but stop grinding, same in principle.

[0003] The grinding wheel of the existing centerless grinding machine needs to be disassembled and ground after a period of use, and the existing grinding means often uses manual grinding tools to grind the outer wall of the grinding wheel, resulting in low grinding efficiency and poor grinding uniformity. UTILITY MODEL CONTENT

[0004] (I) technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a grinding wheel device of centerless grinding machine.

[0006] (II) technical scheme

[0007] In order to achieve the above purpose, the utility model provides the following technical scheme: a grinding wheel device of centerless grinding machine, including support plate, the top of support plate is fixedly connected with adjusting block, the top of adjusting block is equipped with adjusting recess, the bottom of adjusting recess is equipped with adjusting groove, the inside of adjusting groove is installed with stabilizing block through height adjusting mechanism;

[0008] The top of stabilizing block is equipped with stabilizing recess, one end of stabilizing block is fixedly connected with first motor, the output of first motor is fixedly connected with rotating screw rod, the other end of rotating screw rod extends to the inside of stabilizing recess and is rotationally connected with one end in the inside of stabilizing recess, rotating screw rod is screwed on the outer wall of rotating nut, the top of rotating nut is fixedly connected with connecting block, the top of connecting block is equipped with moving groove, one end of connecting block is fixedly connected with second motor, the output of second motor is fixedly connected with moving screw rod, one end of moving screw rod extends to the inside of moving groove and is rotationally connected with one end in the inside of moving groove, rotating screw rod is screwed on the outer wall of moving nut, the top of moving nut is installed with arc polishing plate through buffer assembly, one end of arc polishing plate is fixedly installed with polishing layer;

[0009] The top end of the adjusting block is fixedly connected with a polishing frame, a grinding wheel body is rotatably installed in the polishing frame, a third motor is fixedly connected to the top end of the polishing frame, a belt pulley is fixedly installed at one end of the grinding wheel body and the output end of the third motor, and a transmission belt is transmissionally connected between the two belt pulleys.

[0010] Preferably, the height adjusting mechanism comprises a fourth motor, one end of the fourth motor is fixedly connected with the bottom end inside the adjusting groove, the output end of the fourth motor is fixedly connected with a stabilizing screw rod, a stabilizing sleeve is screwed on the outer wall of the stabilizing screw rod, a stabilizing cylinder is fixedly connected on the outer wall of the stabilizing sleeve, and the top end of the stabilizing cylinder is fixedly connected with the bottom end of the stabilizing block.

[0011] Further, the buffer assembly comprises a buffer plate, two buffer through holes are formed in one end of the buffer plate, a buffer rod is slidingly connected inside each of the two buffer through holes, one end of the circular arc polishing plate is fixedly connected with one end of each of the two buffer rods, a limiting plate is fixedly connected between the other ends of the two buffer rods, and a buffer spring is sleeved on the outer wall of each of the two buffer rods.

[0012] Further, a stabilizing sliding block is fixedly connected on the outer wall of the stabilizing cylinder, and one end of the stabilizing sliding block is slidingly connected with the inside of the adjusting groove.

[0013] On the basis of the foregoing, a mobile caster wheel is fixedly connected at the bottom end of each corner of the supporting plate.

[0014] On the basis of the foregoing, a limiting groove is formed at the top end of the stabilizing block, a limiting rod is fixedly connected between the two ends inside the limiting groove, a limiting sleeve is slidingly connected on the outer wall of the limiting rod, and the top end of the limiting sleeve is fixedly connected with the bottom end of the connecting block.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the grinding wheel repairing device of the centerless grinding machine has the following beneficial effects:

[0017] The grinding wheel dressing device of the centerless grinding machine is characterized in that after the grinding wheel body is installed into the interior of the grinding frame, the grinding wheel body is driven to rotate through the cooperation of the third motor, the belt pulley and the transmission belt, the grinding height of the circular arc grinding plate is adjusted through the operation of the height adjusting mechanism, the grinding front and back positions of the circular arc grinding plate are adjusted through the cooperation of the first motor, the rotating screw rod and the rotating screw sleeve, the circular arc grinding plate is driven to approach the grinding wheel body through the cooperation of the second motor, the moving screw rod and the moving screw sleeve, the grinding of the grinding wheel body is completed, the position of the circular arc grinding plate is fixed through the whole device, the uniform effect during the grinding of the grinding wheel body is improved, and the grinding efficiency of the grinding wheel body is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front view structural schematic diagram of the utility model;

[0019] Figure 2 It is a front view sectional structure schematic diagram of the utility model;

[0020] Figure 3 It is a front view sectional structure schematic diagram of the height adjusting mechanism of the utility model;

[0021] Figure 4 It is a front view sectional structure schematic diagram of the utility model Figure 1 It is a front view sectional structure schematic diagram of the height adjusting mechanism of the utility model;

[0022] In the drawing: 1, support plate; 2, adjusting block; 3, stabilizing block; 4, first motor; 5, rotating screw rod; 6, rotating screw sleeve; 7, connecting block; 8, second motor; 9, moving screw rod; 10, moving screw sleeve; 11, circular arc grinding plate; 12, grinding layer; 13, third motor; 14, belt pulley; 15, transmission belt; 16, fourth motor; 17, stabilizing screw rod; 18, stabilizing screw sleeve; 19, stabilizing cylinder; 20, buffer plate; 21, buffer rod; 22, limiting plate; 23, buffer spring; 24, stabilizing sliding block; 25, moving trolley; 26, limiting rod; 27, limiting sleeve. DETAILED DESCRIPTION

[0023] Please refer to Figures 1-4The utility model provides a kind of dressing device of centerless grinding machine, including support plate 1, the top of support plate 1 is fixedly connected with adjusting block 2, adjusting groove is opened in the top of adjusting block 2, adjusting groove inside bottom is provided with adjusting slot, stable block 3 is installed in the inside of adjusting slot by height adjusting mechanism, height adjusting mechanism includes fourth motor 16, one end of fourth motor 16 is fixedly connected with the bottom of adjusting slot inside, the output of fourth motor 16 is fixedly connected with stable screw rod 17, stable screw rod 17 is screwed on the outer wall of stable nut 18, stable nut 18 is fixedly connected on the outer wall of stable cylinder 19, stable cylinder 19 top is fixedly connected with the bottom of stable block 3, after the energization of fourth motor 16 is started, the output of fourth motor 16 will drive stable screw rod 17 to rotate, stable screw rod 17 drives stable nut 18 to move by thread, and stable cylinder 19 is moved, and the polishing height of circular arc polishing plate 11 is adjusted, stable groove is opened in the top of stable block 3, one end of stable block 3 is fixedly connected with first motor 4, the output of first motor 4 is fixedly connected with rotating screw rod 5, rotating screw rod 5 other end extends to the inside of stable groove and is rotatably connected with one end in the inside of stable groove, rotating screw rod 5 is screwed on the outer wall of rotating nut 6, the top of rotating nut 6 is fixedly connected with connecting block 7, moving slot is opened in the top of connecting block 7, one end of connecting block 7 is fixedly connected with second motor 8, the output of second motor 8 is fixedly connected with moving screw rod 9, one end of moving screw rod 9 extends to the inside of moving slot and is rotatably connected with one end in the inside of moving slot, rotating screw rod 5 is screwed on the outer wall of moving nut 10, the top of moving nut 10 is installed with circular arc polishing plate 11 by buffer component, one end of circular arc polishing plate 11 is fixedly installed with polishing layer 12, the top of adjusting block 2 is fixedly connected with polishing frame, polishing frame is rotatably installed with grinding wheel body in the inside, the top of polishing frame is fixedly connected with third motor 13, the output of third motor 13 is fixedly installed with pulley 14 with one end of grinding wheel body, transmission belt 15 is transmissionally connected between two pulleys 14, after the energization of first motor 4 is started, the output of first motor 4 will drive rotating screw rod 5 to rotate, rotating screw rod 5 drives rotating nut 6 to move by thread, and the polishing position before and after of circular arc polishing plate 11 is adjusted, and after the energization of second motor 8 is started, the output of second motor 8 will drive moving screw rod 9 to rotate, moving screw rod 9 drives moving nut 10 to move by thread, and circular arc polishing plate 11 is close to grinding wheel body, and the polishing of grinding wheel body is completed.

[0024] It also needs to be explained that the buffer assembly includes a buffer plate 20, one end of the buffer plate 20 is provided with two buffer through holes, the interiors of the two buffer through holes are both slidably connected with buffer rods 21, one end of the arc polishing plate 11 is respectively fixedly connected with one end of the two buffer rods 21, the other ends of the two buffer rods 21 are fixedly connected with a limiting plate 22, the outer walls of the two buffer rods 21 are both sleeved with buffer springs 23, after the arc polishing plate 11 contacts the grinding wheel body, the arc polishing plate 11 is buffered through the movement of the buffer rods 21 and the tension of the buffer springs 23, the phenomenon of damage to the grinding wheel body in the polishing process is reduced, the outer wall of the stabilizing cylinder 19 is fixedly connected with a stabilizing sliding block 24, one end of the stabilizing sliding block 24 is slidably connected with the interior of the adjusting groove, the bottom end of the supporting plate 1 is fixedly connected with movable casters 25 at four corners, the position of the overall device is moved, the top end of the stabilizing block 3 is provided with a limiting groove, the limiting rods 26 are fixedly connected between the two ends in the limiting groove, the limiting sleeves 27 are slidably connected on the outer walls of the limiting rods 26, the top end of the limiting sleeve 27 is fixedly connected with the bottom end of the connecting block 7, and the stability of the connecting block 7 is improved when moving.

[0025] In summary, when the grinding wheel dressing device of the centerless grinding machine is used, first, the grinding wheel body is installed into the interior of the polishing frame, then the third motor 13 is started through power-on, the output end of the third motor 13 drives the grinding wheel body to rotate through the cooperation of the belt pulley 14 and the transmission belt 15, the fourth motor 16 is started through power-on, the output end of the fourth motor 16 drives the stabilizing screw rod 17 to rotate, the stabilizing screw rod 17 drives the stabilizing screw sleeve 18 to move through threads, and the stabilizing cylinder 19 is driven to move, the polishing height of the arc polishing plate 11 is adjusted, the first motor 4 is started through power-on, the output end of the first motor 4 drives the rotating screw rod 5 to rotate, the rotating screw rod 5 drives the rotating screw sleeve 6 to move through threads, and the polishing front and back position of the arc polishing plate 11 is adjusted, the second motor 8 is started through power-on, the output end of the second motor 8 drives the moving screw rod 9 to rotate, the moving screw rod 9 drives the moving screw sleeve 10 to move through threads, and the arc polishing plate 11 is driven to be close to the grinding wheel body, and the polishing of the grinding wheel body is completed.

Claims

1. A dressing device for a centerless grinding machine, comprising a support plate (1), characterized in that: The top end of the supporting plate (1) is fixedly connected with an adjusting block (2), the top end of the adjusting block (2) is provided with an adjusting groove, and the bottom end of the adjusting groove is provided with an adjusting groove. The top end of the stable block (3) is provided with a stable groove, one end of the stable block (3) is fixedly connected with a first motor (4), the output end of the first motor (4) is fixedly connected with a rotating screw rod (5), the other end of the rotating screw rod (5) extends into the stable groove and is rotatably connected with one end in the stable groove, a rotating screw sleeve (6) is screwed on the outer wall of the rotating screw rod (5), the top end of the rotating screw sleeve (6) is fixedly connected with a connecting block (7), the top end of the connecting block (7) is provided with a moving groove, one end of the connecting block (7) is fixedly connected with a second motor (8), the output end of the second motor (8) is fixedly connected with a moving screw rod (9), one end of the moving screw rod (9) extends into the moving groove and is rotatably connected with one end in the moving groove, a moving screw sleeve (10) is screwed on the outer wall of the rotating screw rod (5), the top end of the moving screw sleeve (10) is installed with a circular arc polishing plate (11) through a buffer assembly, and one end of the circular arc polishing plate (11) is fixedly installed with a polishing layer (12). The top end of the adjusting block (2) is fixedly connected with a polishing frame, the polishing frame is rotatably installed with a grinding wheel body, the top end of the polishing frame is fixedly connected with a third motor (13), and the output end of the third motor (13) and one end of the grinding wheel body are both fixedly installed with a belt pulley (14). The two belt pulleys (14) are transmissionally connected with a transmission belt (15).

2. A dressing device for a centerless grinding machine according to claim 1, wherein: The height adjusting mechanism comprises a fourth motor (16), one end of the fourth motor (16) is fixedly connected with the bottom end in the adjusting groove, the output end of the fourth motor (16) is fixedly connected with a stable screw rod (17), a stable screw sleeve (18) is screwed on the outer wall of the stable screw rod (17), the outer wall of the stable screw sleeve (18) is fixedly connected with a stable cylinder (19), and the top end of the stable cylinder (19) is fixedly connected with the bottom end of the stable block (3).

3. A dressing device for a centerless grinding machine according to claim 2, wherein: The buffer assembly comprises a buffer plate (20), two buffer through holes are formed in one end of the buffer plate (20), buffer rods (21) are slidably connected in the two buffer through holes, one end of the circular arc polishing plate (11) is fixedly connected with one end of the two buffer rods (21) respectively, a limiting plate (22) is fixedly connected between the other ends of the two buffer rods (21), and buffer springs (23) are sleeved on the outer walls of the two buffer rods (21).

4. A dressing device for a centerless grinding machine according to claim 3, wherein: The outer wall of the stable cylinder (19) is fixedly connected with a stable sliding block (24), and one end of the stable sliding block (24) is slidably connected with the inside of the adjusting groove.

5. A dressing device for a centerless grinding machine according to claim 4, wherein: The bottom end of the supporting plate (1) is fixedly connected with a moving trolley (25) at four corners.

6. A dressing wheel device for a centerless grinding machine according to claim 5, wherein: The top end of the stabilizing block (3) is provided with a limiting groove, and a limiting rod (26) is fixedly connected between the two ends in the limiting groove.

Images