Angle-adjustable guide wheel frame for centerless grinding machine

Abstract

The utility model relates to the field of mechanical manufacturing, and discloses an angle-adjustable guide wheel frame for a centerless grinding machine, which comprises a machine body, a grinding wheel frame is fixedly connected to the upper surface of the machine body, a grinding wheel is rotatably connected to the inner wall of the grinding wheel frame, a rotating shaft is rotatably connected to the inner wall of the machine body, and a guide wheel frame is fixedly connected to the top end of the rotating shaft. An adjusting wheel is rotatably connected to the inner wall of the guide wheel frame, an angle adjusting mechanism is arranged inside the machine body and outside the rotating shaft, the angle adjusting mechanism comprises a mounting groove, the mounting groove is formed in the inner wall of the machine body, and a worm is rotatably connected to the inner wall of the mounting groove. According to the utility model, through the arrangement of the angle adjusting mechanism, the worm rotates by one circle to drive the worm gear to rotate by the position of one tooth, and meanwhile, the threaded rod rotates when the worm is rotated, so that the sliding block can drive the indication block to rotate, a worker can conveniently know the specific rotation amplitude, and the effect of conveniently adjusting the smaller angle of the guide wheel frame is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical manufacturing field especially, it is a kind of adjustable angle's guide wheel frame for centerless grinding machine. BACKGROUND

[0002] Centerless grinding machine is a kind of precision grinding machine without positioning the shaft of workpiece, through high-speed rotation of grinding wheel grinding, simultaneously using guide wheel with slower speed same direction rotation drives workpiece rotation, to realize circumferential feed.

[0003] In order to ensure that workpiece can be automatically longitudinally fed, while maintaining the line contact between guide wheel and workpiece, so often need to adjust the angle of guide wheel to achieve uniform distribution of grinding force, avoid workpiece deformation, and adapt to the workpiece processing requirement of different shapes and sizes, by retrieval, China patent publication No. CN218284822U discloses a numerical control centerless grinding machine guide wheel frame adjusting device, including base, the top of base is rotationally provided with gear disc, the top of gear disc is fixedly provided with two guide wheel frames, the side of base is fixedly provided with positioning pin, the positioning pin is rotationally provided with adjusting disc, the adjusting disc is meshed with gear disc, the adjusting disc is eccentrically and perpendicularly provided with through hole from left to right, the through hole is movably provided with limiting rod, the above-mentioned application file sets gear disc, adjusting disc and limiting rod between base and guide wheel frame, outwardly pulls limiting rod, removes the limitation of adjusting disc, so as to drive gear disc to rotate on the top of base by rotating adjusting disc, thereby adjusting the angle of guide wheel frame, solve the problem that the existing guide wheel frame adjusting device structure is complex, not conducive to angle adjustment of guide wheel frame.

[0004] The above-mentioned application file can adjust the rotation angle of guide wheel to a certain extent, but in the process of actual use, since the required adjustment angle of guide wheel is often small, and the above-mentioned application file limits the adjusting disc by limiting rod, the angle of rotating adjusting disc is necessarily an integer multiple of the angle corresponding to a single tooth groove each time, so when it is needed to adjust the guide wheel by small angle, it is more difficult, therefore, a kind of adjustable angle's guide wheel frame for centerless grinding machine is proposed to solve the above-mentioned problem. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a kind of adjustable angle's guide wheel frame for centerless grinding machine, to improve the problem that it is more difficult to realize when it is needed to adjust the guide wheel by small angle in prior art.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of adjustable angle's guide wheel frame for centerless grinding machine, including machine body, the upper surface of the machine body is fixedly connected with grinding wheel frame, the inner wall of the grinding wheel frame is rotatably connected with grinding wheel, the inner wall of the machine body is rotatably connected with pivot, the top of the pivot is fixedly connected with guide wheel frame, the inner wall of the guide wheel frame is rotatably connected with adjusting wheel, the inside of the machine body and the outside of pivot are commonly provided with angle adjusting mechanism, the angle adjusting mechanism includes installation slot, the installation slot is opened in the inner wall of machine body, the inner wall of the installation slot is rotatably connected with worm, the front end of the worm is fixedly connected with threaded rod, the outer wall of the threaded rod is penetrated and is threadedly connected with sliding block, the outer wall of the sliding block is fixedly connected with indicating block, the angle adjusting mechanism further includes worm wheel, the upper surface of the machine body between grinding wheel and adjusting wheel is fixedly connected with support frame, the upper of the machine body and the inside of grinding wheel frame are commonly provided with cooling assembly.

[0007] As further description of the above technical solution:

[0008] The inner wall of the worm wheel is fixedly connected with the outer wall of the pivot, the front end of the threaded rod is fixedly connected with rotating block, and the outer wall of the rotating block penetrates the inner wall of the machine body.

[0009] As further description of the above technical solution:

[0010] The cooling assembly includes a bracket, the bottom end of the bracket is fixedly connected with the upper surface of the machine body, the top end of the bracket is fixedly connected with a water storage tank, the top end of the grinding wheel is fixedly connected with a water outlet box, the bottom end of the water outlet box is provided with a water outlet hole, the inner wall of the water outlet box is slidably connected with a moving plate, the right end of the moving plate is elastically connected with the inner wall of the water outlet box through a spring, the inner wall of the water outlet box is fixedly connected with an air pressure pipe, the inner wall of the air pressure pipe is piston-connected with a pushing block, the outer wall of the pushing block is fixedly connected with the left end of the moving plate, and the end of the air pressure pipe away from the water outlet box is fixedly connected with the inner wall of the grinding wheel frame.

[0011] As further description of the above technical solution:

[0012] The top end of the machine body is fixedly connected with a baffle, and the left front end of the baffle is fixedly connected with a drain pipe.

[0013] As further description of the above technical solution:

[0014] The upper surface of the machine body is inclinedly arranged, and the lowest point is arranged at the left front end of the machine body.

[0015] As further description of the above technical solution:

[0016] The area of the machine body above the installation slot is arranged to be colorless and transparent, and the installation slot is provided with a scale in the area above the installation slot.

[0017] As a further description of the above technical solutions:

[0018] The front end of the rotating block is provided with a convex block with a raised edge and a recess.

[0019] As a further description of the above technical solutions:

[0020] The inner wall of the moving plate is provided with a hole with a size consistent with that of the water outlet hole, and the pushing block is at the height of the moving plate.

[0021] The utility model has the advantages of the following beneficial effects:

[0022] 1. In the utility model, the installation groove, the worm, the threaded rod, the sliding block, the indicating block, the worm wheel and the rotating block are arranged, the worm is rotated by one tooth after rotating one circle, the smaller angle is adjusted, the threaded rod is rotated when the worm is rotated, the sliding block can drive the indicating block to rotate, the staff can know the rotating range through the indicating block, the smaller angle of the guide wheel frame is adjusted conveniently.

[0023] 2. In the utility model, the support, the water storage tank, the water outlet box, the water outlet hole, the moving plate, the spring, the air pressure pipe, the pushing block and the drain pipe are arranged, the size of the moving plate and the water outlet hole can be determined according to the heat generated after the grinding wheel and the workpiece are rubbed, the water outlet box can change the water outlet according to the actual heat, the grinding wheel is cooled and the water is not wasted. DRAWINGS

[0024] Figure 1 It is a three-dimensional structure schematic view of the overall structure in the utility model;

[0025] Figure 2 It is a three-dimensional structure sectional schematic view of the overall structure in the utility model;

[0026] Figure 3 It is a three-dimensional structure sectional schematic view of the overall structure in the utility model; Figure 2 It is a three-dimensional structure sectional schematic view of the overall structure in the utility model;

[0027] Figure 4 It is a three-dimensional structure sectional schematic view of the overall structure in the utility model;

[0028] Figure 5 It is a three-dimensional structure sectional schematic view of the overall structure in the utility model;

[0029] LEGEND:

[0030] 1, body; 2, grinding wheel frame; 3, grinding wheel; 4, rotating shaft; 5, guide wheel frame; 6, adjusting wheel; 7, angle adjusting mechanism; 8, support frame; 9, cooling assembly; 71, mounting groove; 72, worm; 73, threaded rod; 74, sliding block; 75, indicating block; 76, worm gear; 77, rotating block; 91, bracket; 92, water storage tank; 93, water outlet box; 94, water outlet hole; 95, moving plate; 96, spring; 97, air pressure pipe; 98, pushing block; 99, drain pipe; 10, baffle. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0032] Referring to Figure 1 , Figure 2 and Figure 5 , the present application provides an embodiment: an angle-adjustable guide wheel frame for a centerless grinding machine, comprising a body 1, the upper surface of the body 1 is inclinedly arranged, and the lowest point is arranged at the left front end of the body 1. By the inclined arrangement, it is ensured that the water body easily flows to the left front end of the body 1. The upper surface of the body 1 is fixedly connected with a grinding wheel frame 2. The inner wall of the grinding wheel frame 2 is rotatably connected with a grinding wheel 3. The inner wall of the body 1 is rotatably connected with a rotating shaft 4. The shape of the rotating shaft 4 is a cylinder. The top end of the rotating shaft 4 is fixedly connected with a guide wheel frame 5. The inner wall of the guide wheel frame 5 is rotatably connected with an adjusting wheel 6. The diameter of the adjusting wheel 6 is smaller than the diameter of the grinding wheel 3.

[0033] Referring to Figure 2 , Figure 4 and Figure 5The inside of the body 1 is provided with an angle adjusting mechanism 7 together with the outside of the rotating shaft 4, the angle adjusting mechanism 7 comprises a mounting groove 71, the mounting groove 71 is arranged on the inner wall of the body 1, the mounting groove 71 is arranged on the inner wall of the body 1 close to the right side, and the area of the body 1 above the mounting groove 71 is colorless and transparent, and the mounting groove 71 is provided with a scale line above the mounting groove 71, the inner wall of the mounting groove 71 is rotatably connected with a worm 72, the front end of the worm 72 is fixedly connected with a threaded rod 73, the worm 72 and the threaded rod 73 are coaxially arranged, the outer wall of the threaded rod 73 penetrates and is threadedly connected with a sliding block 74, the outer wall of the sliding block 74 is slidably connected with the inner wall of the mounting groove 71, through the sliding connection, it is ensured that the sliding block 74 can move forward and backward and only move forward and backward, so that when the threaded rod 73 rotates, only the sliding block 74 can move forward and backward, and the sliding block 74 cannot rotate with the threaded rod 73, the outer wall of the sliding block 74 is fixedly connected with an indicating block 75, and the top end of the indicating block 75 is provided with an arrow pointing to the scale line.

[0034] Referring to Figure 2 , Figure 4 and Figure 5 , the angle adjusting mechanism 7 further comprises a worm gear 76, the inner wall of the worm gear 76 is fixedly connected with the outer wall of the rotating shaft 4, the outer wall of the worm gear 76 is threadedly connected with the outer wall of the worm 72, the front end of the threaded rod 73 is fixedly connected with a rotating block 77, the front end of the rotating block 77 is provided with a convex block with a raised edge and a recess, through the arrangement of the convex block, it is ensured that the staff can conveniently rotate the rotating block 77 through the convex block, the outer wall of the rotating block 77 penetrates the inner wall of the body 1, the upper surface of the body 1 between the grinding wheel 3 and the adjusting wheel 6 is fixedly connected with a support frame 8, and the support frame 8 is used for supporting the cylindrical material to be polished.

[0035] Referring to Figure 1 , Figure 3 , the upper side of the body 1 and the inside of the sand wheel frame 2 are provided with a cooling assembly 9 together, the cooling assembly 9 comprises a support 91, the bottom end of the support 91 is fixedly connected with the upper surface of the body 1, the top end of the support 91 is fixedly connected with a water storage tank 92, the inside of the water storage tank 92 stores clean water, the top end of the grinding wheel 3 is fixedly connected with a water outlet box 93, the bottom of the water storage tank 92 is provided with a connecting pipe in communication with the water outlet box 93, the bottom end of the water outlet box 93 is provided with a water outlet hole 94, the inner wall of the water outlet box 93 is slidably connected with a moving plate 95, the inner wall of the moving plate 95 is provided with a hole with the same size as the water outlet hole 94, the right end of the moving plate 95 and the inner wall of the water outlet box 93 are elastically connected through a spring 96, one end of the spring 96 is fixedly connected with the right end of the moving plate 95, the other end of the spring 96 is fixedly connected with the inner wall of the water outlet box 93, the inner wall of the water outlet box 93 is fixedly connected with a gas pressure pipe 97, the bottom of the gas pressure pipe 97 is a cuboid, the area of the gas pressure pipe 97 is tubular, and the inside of the gas pressure pipe 97 is provided with a heat-sensitive expandable gas.

[0036] Referring toFigure 1 Figure 3 The inner wall of the air pressure pipe 97 is connected with a pushing block 98, the pushing block 98 is at the height of the moving plate 95, through the same height setting, it is ensured that the pushing block 98 can push the moving plate 95 to move, the outer wall of the pushing block 98 is fixedly connected with the left end of the moving plate 95, the end of the air pressure pipe 97 away from the water outlet box 93 is fixedly connected with the inner wall of the grinding wheel frame 2, the top end of the machine body 1 is fixedly connected with a baffle 10, the baffle 10 is a hollow square frame, the left front end of the baffle 10 is fixedly connected with a drain pipe 99, through the setting of the drain pipe 99, it is ensured that the sprayed water can be drained out.

[0037] Working principle: when the staff needs to adjust the angle of the guide wheel frame 5, the staff rotates the rotating block 77, so that the rotating block 77 drives the threaded rod 73 and the worm 72 to rotate after rotating.

[0038] When the worm 72 rotates, it can drive the worm gear 76 to rotate by one tooth distance after rotating one circle, so that the worm gear 76 can rotate slowly through the rotating mode of the worm 72.

[0039] At the same time, the threaded rod 73 rotates synchronously with the worm 72 when the worm 72 rotates, so that the sliding block 74 moves back and forth in the process of rotating the worm 72, so that the sliding block 74 drives the indicating block 75 to move back and forth, so that the arrow on the surface of the indicating block 75 can accurately show the rotating angle of the guide wheel frame 5.

[0040] At the same time, when the abrasive wheel 3 generates heat due to polishing workpieces during the operation of the equipment, the heat generated by the abrasive wheel 3 makes the gas in the air pressure pipe 97 expand due to heat, so that the gas pressure in the air pressure pipe 97 increases, so that the pushing block 98 pushes the moving plate 95 to move from left to right under the action of the gas pressure, so that the area of the hole in the inner wall of the moving plate 95 and the water outlet hole 94 are in the same vertical position, so that the water in the water storage tank 92 can enter the water outlet box 93 under the action of gravity, and then flow out through the common area of the water outlet hole 94 and the hole in the inner wall of the moving plate 95, so as to achieve the effect of flushing the impurities generated by polishing and cooling the abrasive wheel 3.

[0041] Finally, it should be pointed out that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.​

Claims

1. An adjustable angle guide wheel carriage for a centerless grinder, comprising a body (1), characterized in that: The upper surface of the machine body (1) is fixedly connected with a grinding wheel frame (2), the inner wall of the grinding wheel frame (2) is rotatably connected with a grinding wheel (3), the inner wall of the machine body (1) is rotatably connected with a rotating shaft (4), the top end of the rotating shaft (4) is fixedly connected with a guide wheel frame (5), the inner wall of the guide wheel frame (5) is rotatably connected with an adjusting wheel (6), the inside of the machine body (1) and the outside of the rotating shaft (4) are commonly provided with an angle adjusting mechanism (7), the angle adjusting mechanism (7) comprises a mounting groove (71), the mounting groove (71) is opened in the inner wall of the machine body (1), the inner wall of the mounting groove (71) is rotatably connected with a worm (72), the front end of the worm (72) is fixedly connected with a threaded rod (73), the outer wall of the threaded rod (73) penetrates and is threadedly connected with a sliding block (74), the outer wall of the sliding block (74) is fixedly connected with an indicating block (75), the angle adjusting mechanism (7) further comprises a worm wheel (76), the upper surface of the machine body (1) between the grinding wheel (3) and the adjusting wheel (6) is fixedly connected with a support frame (8), the upper side of the machine body (1) and the inside of the grinding wheel frame (2) are commonly provided with a cooling assembly (9).

2. An adjustable angle roller stand for a centerless grinding machine as defined in claim 1, wherein: The inner wall of the worm wheel (76) is fixedly connected with the outer wall of the rotating shaft (4), the front end of the threaded rod (73) is fixedly connected with a rotating block (77), the outer wall of the rotating block (77) penetrates the inner wall of the machine body (1).

3. An adjustable angle roller stand for a centerless grinding machine as defined in claim 1 wherein: The cooling assembly (9) comprises a support (91), the bottom end of the support (91) is fixedly connected with the upper surface of the machine body (1), the top end of the support (91) is fixedly connected with a water storage tank (92), the top end of the grinding wheel (3) is fixedly connected with a water outlet box (93), the bottom end of the water outlet box (93) is provided with a water outlet hole (94), the inner wall of the water outlet box (93) is slidably connected with a moving plate (95), the right end of the moving plate (95) is elastically connected with the inner wall of the water outlet box (93) through a spring (96), the inner wall of the water outlet box (93) is fixedly connected with an air pressure pipe (97), the inner wall of the air pressure pipe (97) is piston-connected with a pushing block (98), the outer wall of the pushing block (98) is fixedly connected with the left end of the moving plate (95), the end of the air pressure pipe (97) away from the water outlet box (93) is fixedly connected with the inner wall of the grinding wheel frame (2).

4. An adjustable angle roller stand for a centerless grinding machine as defined in claim 3, wherein: The top end of the machine body (1) is fixedly connected with a baffle (10), the left front end of the baffle (10) is fixedly connected with a drain pipe (99).

5. An adjustable angle roller stand for a centerless grinding machine as defined in claim 1 wherein: The upper surface of the machine body (1) is inclinedly arranged, and the lowest point is arranged at the left front end of the machine body (1).

6. An adjustable angle roller stand for a centerless grinding machine as defined in claim 1 wherein: The area above the mounting groove (71) of the machine body (1) is arranged to be colorless and transparent, and the mounting groove (71) is provided with a scale in the area above the mounting groove (71).

7. An adjustable angle roller stand for a centerless grinding machine as defined in claim 2 wherein: The front end of the rotating block (77) is provided with a convex block with edges existing protrusions and depressions.

8. An adjustable angle roller stand for a centerless grinding machine as defined in claim 3 wherein: The inner wall of the moving plate (95) is provided with a hole with the same size as the water outlet hole (94), and the pushing block (98) is at the height of the moving plate (95).

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