Grinding machine main shaft radial angle adjusting device

Abstract

The utility model relates to the technical field of mechanical manufacturing process equipment, and discloses a grinding machine spindle radial angle adjusting device which comprises a bottom plate, a supporting plate is fixedly installed on the upper surface of the bottom plate, and a driving motor is fixedly installed on the side wall of the supporting plate. A main gear is fixedly installed at the output end of the driving motor, and a T-shaped fixing block is fixedly installed on the side wall of the supporting plate. According to the grinding machine main shaft radial angle adjusting device, a circular ring can rotate on the surface of a fixing shaft, an adjusting knob enables a threaded rod to drive a circular plate to move, an elastic telescopic rod drives an arc-shaped plate to clamp the cambered surface of a fixing piece, a grinding roller drives the fixing piece to vibrate to guarantee stability, and meanwhile a claw moves on the cambered surface of a straight rod under the action of a torsional spring; the fixing part is clamped more finely, vibration of the fixing part at different positions is further improved, corresponding fine buffering is carried out, the stability of the fixing part driving the grinding roller is guaranteed, and the grinding precision is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical manufacturing process equipment technical field, concretely is a radial angle adjusting device of grinding machine main shaft. BACKGROUND

[0002] The tool grinder is high in precision, good in rigidity, economical and practical, and is particularly suitable for sharpening various small and medium-sized tools, such as reamers, taps, twist drills, hole expanding drills, various milling cutters, milling cutter heads and gear shaping cutters. With corresponding accessories, the tool grinder can be used to grind the outer circle, inner circle and plane, and can also be used to grind templates and molds. Diamond grinding wheels can be used to sharpen various hard alloy cutters.

[0003] According to the radial angle adjusting device of a tool grinder main shaft (publication number: CN215394576U), in the above-mentioned application, after the radial angle is adjusted, the polishing assembly is driven to rotate, so that the polishing roller can polish in different directions and at different angles, and the grinding task of some specific tricky angles of the base material can be realized, the processing product efficiency of the workpiece is greatly improved, and the business operation benefit of the enterprise is improved.

[0004] However, in the actual use process of the above-mentioned device, when the rotating motor drives the polishing roller to polish, vibration will be generated when the polishing roller contacts the polishing piece. Since the adjusting assembly is too long, the polishing roller will deviate during long-time polishing, resulting in reduced polishing precision. In view of this, the radial angle adjusting device of the grinding machine main shaft is proposed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a radial angle adjusting device of grinding machine main shaft to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a radial angle adjusting device of grinding machine main shaft, comprising a bottom plate, a support plate is fixedly installed on the upper surface of the bottom plate, a drive motor is fixedly installed on the side wall of the support plate, a main gear is fixedly installed on the output end of the drive motor, a T-shaped fixed block is fixedly installed on the side wall of the support plate, a rotating rod is movably installed on the surface of the T-shaped fixed block, a pinion is fixedly installed on the surface of the rotating rod, a support piece is fixedly installed on the arc surface of the rotating rod, a connecting piece is movably installed in the support piece, a secondary gear is fixedly installed on one end of the connecting piece, a rotating motor is fixedly installed on the other end of the connecting piece, a fixing piece is fixedly connected to the output end of the rotating motor, a polishing roller is fixedly installed on the end of the fixing piece away from the rotating motor, a fixing mechanism is arranged on the side wall of the support plate, and a stabilizing mechanism is arranged on the side wall of the support plate.

[0007] A fixed shaft is fixedly installed on the side wall of the support plate through the support block, the surface of the fixed shaft is movably installed with a circular ring through a connecting rod, the surface of the circular ring is movably installed with a knob, the inner wall of the knob is threadedly connected with a threaded rod, the surface of the circular ring is provided with an adjusting groove, and the end of the threaded rod is movably installed with a circular plate.

[0008] An arc-shaped plate is fixedly installed at the end of the elastic telescopic rod away from the circular plate, the side wall of the arc-shaped plate is provided with a movable groove, the inner wall of the movable groove is fixedly connected with a straight rod, the arc surface of the straight rod is fixedly connected with a torsion spring, and the end of the torsion spring away from the arc surface of the straight rod is fixedly connected with a claw.

[0009] Preferably, the stabilizing mechanism comprises a circular rod fixedly connected to the inner wall of the circular ring, a reset spring fixedly connected to the end of the circular ring away from the inner wall, and a movable block fixedly connected to the end of the reset spring away from the circular ring.

[0010] Preferably, the surface of the movable block is hingedly connected with the circular plate through a hinged rod, the inside of the circular ring is provided with a moving groove, the length of the moving groove is matched with the length of the straight rod, the shape of the moving groove is matched with the shape of the movable block, the movable block is sleeved on the surface of the straight rod, and the movable block can slide on the arc surface of the circular rod.

[0011] Preferably, the thickness of the movable groove is matched with the thickness of the claw, the claw is sleeved on the surface of the straight rod, and the claw can rotate in the inside of the movable groove.

[0012] Preferably, a plurality of movable grooves are arranged, the plurality of movable grooves are evenly distributed in a circumferential array on the surface of the arc-shaped plate, the two sides of the arc-shaped plate are both provided with movable grooves, and a plurality of claws are installed.

[0013] Preferably, the curvature of the arc-shaped plate is matched with the curvature of the fixing member, a plurality of arc-shaped plates are arranged, and the plurality of arc-shaped plates are evenly arranged in a circumferential array on the arc surface of the fixing member.

[0014] Compared with the prior art, the grinding machine spindle radial angle adjusting device has the following beneficial effects:

[0015] 1. The grinding machine spindle radial angle adjusting device is provided with a fixing mechanism, the circular ring can rotate on the surface of the fixed shaft, the adjusting knob drives the circular plate to move through the threaded rod, the elastic telescopic rod drives the arc-shaped plate to clamp the arc surface of the fixing member, the vibration of the fixing member is driven by the polishing roller to ensure stability, the claw moves on the arc surface of the straight rod under the action of the torsion spring, the fixing member is clamped more carefully, the vibration of different parts of the fixing member is further buffered carefully, the stability of the fixing member driving the polishing roller is ensured, and the polishing precision is ensured.

[0016] 2、The radial angle adjusting device of the grinding machine spindle is adjusted by the knob adjusting screw rod driving the circular plate, the hinged rod driving the movable block moving on the surface of the straight rod, the reset spring deformation ensuring the stability of the movable block, the vibration of the fixed part causing the wear of the thread of the threaded rod, and the influence of the arc-shaped plate on the clamping stability of the arc surface of the fixed part. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic view of the main body structure of the utility model;

[0018] Figure 2 It is a schematic view of the local structure of the support plate of the utility model;

[0019] Figure 3 It is a schematic view of the local structure of the ring of the utility model;

[0020] Figure 4 It is a schematic view of the local cross-sectional structure of the ring of the utility model;

[0021] Figure 5 It is a schematic view of the local explosion structure of the arc-shaped plate of the utility model;

[0022] Figure 6 It is a schematic view of the local explosion structure of the elastic telescopic rod of the utility model.

[0023] In the drawing: 1, bottom plate; 2, support plate; 3, fixed mechanism; 301, fixed shaft; 302, ring; 303, knob; 304, threaded rod; 305, adjusting groove; 306, circular plate; 307, elastic telescopic rod; 308, arc-shaped plate; 309, movable groove; 310, straight rod; 311, torsional spring; 312, claw hand; 4, stabilizing mechanism; 401, circular rod; 402, reset spring; 403, movable block; 5, driving motor; 6, main gear; 7, driven gear; 8, T-shaped fixed block; 9, support; 10, pinion; 11, connecting piece; 12, rotating motor; 13, fixed part; 14, polishing roller. DETAILED DESCRIPTION

[0024] As Figures 1-6The utility model provides a technical scheme: a grinding machine main shaft radial angle adjusting device, including bottom plate 1, the upper surface fixed mounting support plate 2 of bottom plate 1, the lateral wall fixed mounting drive motor 5 of support plate 2, the output fixed mounting main gear 6 of drive motor 5, the lateral wall fixed mounting T-shaped fixed block 8 of support plate 2, the surface movable mounting rotary lever of T-shaped fixed block 8, the surface fixed mounting from gear 7 of rotary lever, the cam surface fixed mounting support piece 9 of rotary lever, the inside movable mounting connecting piece 11 of support piece 9, the one end fixed mounting auxiliary gear 10 of connecting piece 11, the other end fixed mounting rotary motor 12 of connecting piece 11, the output fixed connection fixed part 13 of rotary motor 12, the one end fixed mounting polishing roller 14 of fixed part 13 away from rotary motor 12, the lateral wall of support plate 2 is provided with fixed mechanism 3, the lateral wall of support plate 2 is provided with stabilizing mechanism 4, fixed mechanism 3 includes fixed shaft 301, ring 302, knob 303, threaded rod 304, adjusting groove 305, round plate 306, elastic telescopic rod 307, arc plate 308, movable slot 309, straight rod 310, torsional spring 311, claw hand 312.

[0025] In an embodiment of the utility model, fixed shaft 301 is fixedly installed on the lateral wall of support plate 2 through support block, the surface of fixed shaft 301 is movably installed ring 302 through connecting rod, the surface of ring 302 is movably installed knob 303, the inner wall of knob 303 is threadedly connected threaded rod 304, the surface of ring 302 is provided with adjusting groove 305, the end of threaded rod 304 is movably installed round plate 306, and the one end of round plate 306 is fixedly installed elastic telescopic rod 307 in principle threaded rod 304. Arc plate 308 is fixedly installed on the one end of elastic telescopic rod 307 away from round plate 306, the lateral wall of arc plate 308 is provided with movable slot 309, the inner wall of movable slot 309 is fixedly connected straight rod 310, the cam surface of straight rod 310 is fixedly connected torsional spring 311, and the one end of torsional spring 311 away from the cam surface of straight rod 310 is fixedly connected claw hand 312.

[0026] In addition, the stabilizing mechanism 4 comprises a round rod 401 fixedly connected to the inner wall of the circular ring 302, the inner wall of the circular ring 302 is fixedly connected with a reset spring 402, one end of the reset spring 402 away from the inner wall of the circular ring 302 is fixedly connected with a movable block 403, the surface of the movable block 403 is hinged with the circular plate 306 through a hinge rod, the inside of the circular ring 302 is provided with a moving groove, the length of the moving groove is adapted to the length of the straight rod 310, the shape of the moving groove is adapted to the shape of the movable block 403, the movable block 403 is sleeved on the arc surface of the round rod 401, so that the movable block 403 slides on the arc surface of the round rod 401, the two sides of the movable block 403 are provided with the reset spring 402, so that the movable block 403 moves more stably, the number of the round rod 401 is several, the several round rods 401 are arranged in a circular array on the outside of the fixing piece 13, the thickness of the movable groove 309 is adapted to the thickness of the claw hand 312, the claw hand 312 is sleeved on the surface of the straight rod 310, the number of the movable groove 309 is several, the several movable grooves 309 are arranged in a circular array on the surface of the arc-shaped plate 308, the two sides of the arc-shaped plate 308 are provided with the movable groove 309, the arc degree of the arc-shaped plate 308 is adapted to the arc degree of the fixing piece 13, the number of the arc-shaped plate 308 is several, the several arc-shaped plates 308 are arranged in a circular array on the arc surface of the fixing piece 13, and the installation of the plurality of claw hands 312 distributed on the surface of the fixing piece 13 ensures that the claw hand 312 is multi-directional to the arc surface of the fixing piece 13.

[0027] In the embodiment of the utility model, when the rotation direction of two drive motors 5 is opposite, two drive motors 5 drive two main gears 6 to rotate reversely, the right side of two driven gears 7 far from T-shaped fixed block 8 is engaged with two main gears 6 respectively, make two driven gears 7 far from T-shaped fixed block 8 rotate in the same direction, the rotation direction of two driven gears 7 close to T-shaped fixed block 8 is opposite, the left side of two driven gears 7 close to T-shaped fixed block 8 is engaged with auxiliary gear 10, drive auxiliary gear 10 to rotate around T-shaped fixed block 8, auxiliary gear 10 is fixedly connected to the outside of connecting piece 11, make connecting piece 11 drive polishing assembly to rotate around T-shaped fixed block 8, so that the radial angle adjustment can be carried out, when the rotation direction of two drive motors 5 is same, drive two main gears 6 to rotate in the same direction, make two driven gears 7 far from T-shaped fixed block 8 rotate in opposite directions, so that the rotation direction of two driven gears 7 close to T-shaped fixed block 8 is opposite, drive auxiliary gear 10 to rotate in the vertical direction, make connecting piece 11 rotate, after radial angle adjustment, drive polishing assembly to rotate, so that polishing roller 14 can polish in different directions and different angles, the upper surface of bottom plate 1 is provided with clamping assembly, clamping assembly includes fixed motor, threaded rod one and two clamping plates, one clamping plate is in fixed state, the other clamping plate is screw connected on the camber surface of threaded rod one, the side wall of bottom plate 1 is provided with sliding groove, the right side wall of bottom plate 1 is fixedly installed with movable motor, movable motor drives threaded rod two to rotate and makes support plate 2 move, the side wall of support plate 2 is provided with connecting plate, connecting plate is screw connected on the camber surface of threaded rod two.

[0028] In the utility model, when using, fixed motor drives threaded rod one to drive clamping plate to clamp one clamping plate of cooperating fixed of workpiece, circular ring 302 can rotate on the surface of fixed shaft 301, adjusting knob 303 makes threaded rod 304 drive circular plate 306 to move, elastic telescopic link 307 drives arc plate 308 to clamp the camber surface of fixed part 13, polishing roller 14 drives the vibration of fixed part 13 to ensure stability, and paw 312 is moved on the camber surface of straight rod 310 under the action of torsion spring 311, and the left side of two driven gears 7 close to T-shaped fixed block 8 is engaged with auxiliary gear 10, drive auxiliary gear 10 to rotate around T-shaped fixed block 8, auxiliary gear 10 is fixedly connected to the outside of connecting piece 11, make connecting piece 11 drive polishing assembly to rotate around T-shaped fixed block 8, so that the radial angle adjustment can be carried out, when the rotation direction of two drive motors 5 is same, drive two main gears 6 to rotate in the same direction, make two driven gears 7 far from T-shaped fixed block 8 rotate in opposite directions, so that the rotation direction of two driven gears 7 close to T-shaped fixed block 8 is opposite, drive auxiliary gear 10 to rotate in the vertical direction, make connecting piece 11 rotate, after radial angle adjustment, drive polishing assembly to rotate, so that polishing roller 14 can polish in different directions and different angles, the upper surface of bottom plate 1 is provided with clamping assembly, clamping assembly includes fixed motor, threaded rod one and two clamping plates, one clamping plate is in fixed state, the other clamping plate is screw connected on the camber surface of threaded rod one, the side wall of bottom plate 1 is provided with sliding groove, the right side wall of bottom plate 1 is fixedly installed with movable motor, movable motor drives threaded rod two to rotate and makes support plate 2 move, the side wall of support plate 2 is provided with connecting plate, connecting plate is screw connected on the camber surface of threaded rod two.

[0029] Further, adjusting knob 303 adjusts threaded rod 304 to drive circular plate 306 to adjust, hinge rod drives movable block 403 to move on the surface of straight rod 310, reset spring 402 is deformed to ensure the stability of movable block 403, the vibration of fixed part 13 produces wear and tear to the screw thread of threaded rod 304, influences the clamping stability of arc plate 308 to the camber surface of fixed part 13, movable motor drives threaded rod two to rotate and adjusts the position of support plate 2, rotating motor 12 drives polishing roller 14 to rotate.

[0030] The above has made detailed description to the utility model in general, but can make some modification or improvement to it on the basis of the utility model, this is obvious to the general skilled person in the technical field. Therefore, the modification or improvement without departing from the utility model idea spirit, all are within the scope of protection of the utility model.

Claims

1. A radial angle adjustment device for a grinding machine spindle, comprising a base plate (1), a support plate (2) fixedly mounted on the upper surface of the base plate (1), a drive motor (5) fixedly mounted on the side wall of the support plate (2), a main gear (6) fixedly mounted on the output end of the drive motor (5), a T-shaped fixing block (8) fixedly mounted on the side wall of the support plate (2), a rotating rod movably mounted on the surface of the T-shaped fixing block (8), a driven gear (7) fixedly mounted on the surface of the rotating rod, a support member (9) fixedly mounted on the arc surface of the rotating rod, a connecting member (11) movably mounted inside the support member (9), a secondary gear (10) fixedly mounted on one end of the connecting member (11), a rotating motor (12) fixedly mounted on the other end of the connecting member (11), a fixing member (13) fixedly connected to the output end of the rotating motor (12), and a grinding roller (14) fixedly mounted on the end of the fixing member (13) away from the rotating motor (12), characterized in that: The side wall of the support plate (2) is provided with a fixing mechanism (3), and the side wall of the support plate (2) is provided with a stabilizing mechanism (4). The fixing mechanism (3) includes: A fixed shaft (301) is fixedly installed on the side wall of the support plate (2) by a support block. A ring (302) is movably installed on the surface of the fixed shaft (301) by a connecting rod. A knob (303) is movably installed on the surface of the ring (302). A threaded rod (304) is threadedly connected to the inner wall of the knob (303). An adjustment groove (305) is opened on the surface of the ring (302). A circular plate (306) is movably installed at the end of the threaded rod (304). An elastic telescopic rod (307) is fixedly installed on one end of the circular plate (306) from the threaded rod (304). An arc-shaped plate (308) is fixedly installed on the end of the elastic telescopic rod (307) away from the circular plate (306). The side wall of the arc-shaped plate (308) is provided with a movable groove (309). The inner wall of the movable groove (309) is fixedly connected to a straight rod (310). The arc surface of the straight rod (310) is fixedly connected to a torsion spring (311). The end of the torsion spring (311) away from the arc surface of the straight rod (310) is fixedly connected to a claw (312).

2. The radial angle adjustment device for a grinding machine spindle according to claim 1, characterized in that: The stabilizing mechanism (4) includes a round rod (401) which is fixedly connected to the inner wall of a ring (302). A return spring (402) is fixedly connected to the inner wall of the ring (302), and a movable block (403) is fixedly connected to one end of the return spring (402) away from the inner wall of the ring (302).

3. The radial angle adjustment device for a grinding machine spindle according to claim 2, characterized in that: The surface of the movable block (403) is hinged to the circular plate (306) by a hinge rod. The inside of the ring (302) is provided with a moving groove. The length of the moving groove is adapted to the length of the straight rod (310). The shape of the moving groove is adapted to the shape of the movable block (403). The movable block (403) is sleeved on the surface of the circular rod (401).

4. The radial angle adjustment device for a grinding machine spindle according to claim 1, characterized in that: The thickness of the movable groove (309) is adapted to the thickness of the claw (312), which is sleeved on the surface of the straight rod (310).

5. The radial angle adjustment device for a grinding machine spindle according to claim 1, characterized in that: The number of movable grooves (309) is set to a certain extent, and the movable grooves (309) are evenly distributed in a circular array on the surface of the arc plate (308). Movable grooves (309) are provided on both sides of the arc plate (308).

6. The radial angle adjustment device for a grinding machine spindle according to claim 1, characterized in that: The curvature of the arc plate (308) is adapted to the curvature of the fixing member (13). The number of arc plates (308) is set to several, and the several arc plates (308) are evenly arranged in a circular array on the arc surface of the fixing member (13).

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