CN223368392U - Gear grinding tool for high-precision gear shaft machining - Google Patents

Abstract

The utility model relates to a gear grinding tool for high-precision gear shaft processing, comprising a base and a vertical support rod, the upper surface of the base is slidably connected to a sliding support and the top of the sliding support is provided with a lifting frame, the side of the lifting frame is provided with a rotating clamping mechanism that can clamp the gear shaft, and the middle part of the top of the rotating clamping mechanism is provided with a toggle mechanism for toggling the gear shaft. The utility model effectively solves the problems of the existing gear grinding tool that it is inconvenient to adjust the gear shaft, cannot fully and finely grind each tooth groove, and is inconvenient to operate.

Description

Gear grinding tool for high-precision gear shaft machining

Technical Field

The utility model belongs to the technical field of gear shaft machining tools, and particularly relates to a gear grinding tool for machining a high-precision gear shaft.

Background

The gear grinding is a gear machining process for machining cylindrical gears or tooth surfaces of certain gear machining cutters by using a grinding wheel, is mainly used for eliminating deformation after heat treatment and improving gear precision, is indispensable for gear grinding, is a transmission tie of each mechanical part, is a basis for realizing normal and efficient work of mechanical equipment, can not only remarkably improve labor productivity, but also effectively ensure product quality and reduce cost, can improve the technical level of technical workers and improve the qualification rate of part products.

The existing gear grinding tool is characterized in that the existing gear grinding tool can clamp and fix a gear shaft, but has single function and can only play a simple fixing role, when each tooth groove and the section of the gear shaft are required to be ground, the existing gear grinding tool is inconvenient to adjust the clamped gear shaft to influence grinding efficiency, and because the gear shafts are different in model number and size, each gear shaft is provided with a plurality of tooth grooves, the existing gear grinding tool cannot well grind each tooth groove sufficiently and finely, and the grinding part of the gear shaft is required to be adjusted manually, so that the operation is inconvenient.

Disclosure of utility model

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the gear grinding tool for processing the high-precision gear shaft, which can be used for sufficiently and finely grinding each tooth slot of gear shafts of different types, is convenient to operate, is convenient to adjust quickly, and greatly improves the gear grinding efficiency of the gear shafts.

The utility model provides a high accuracy gear grinding frock for gear shaft processing, includes base and vertical branch, and the upper surface sliding connection of base has sliding support and sliding support's top is provided with the crane, the side of crane is provided with the rotation chucking mechanism that can be with the gear shaft chucking, the middle part on rotation chucking mechanism top is provided with and is used for stirring gear shaft pivoted stirring mechanism, vertical branch fixed connection is kept away from one side and the outer vertical sliding connection of sliding support at the base upper surface has the sliding plate, the sliding plate is kept away from the middle part fixed mounting of sliding support one side and is had steering wheel and the output of steering wheel wears to establish in the sliding plate one side that is close to sliding support, one side that the sliding plate is close to sliding support is provided with rotation adjustment mechanism and rotates adjustment mechanism's expansion end and is provided with grinding wheel mechanism.

Preferably, the bottom of the sliding support, which is close to one side of the vertical supporting rod, is provided with a first electric push rod, a fixed rod body part of the first electric push rod is fixedly connected to the upper surface of the base, and a movable rod body is fixedly connected with the bottom of the side surface of the sliding support.

Preferably, the rotation clamping mechanism comprises a rotating rod, a clamping frame, a threaded rod, a plane bearing and clamping plates, wherein the rotating rod is arranged in the middle of the top end of the lifting frame in a penetrating mode and can rotate in the lifting frame, the middle of the clamping frame is fixedly connected with the rotating rod, the plane bearing is embedded in one side of the clamping frame, the threaded rod is arranged on the other side of the clamping frame in a threaded mode, the threaded rod is arranged at one end of the inner portion of the clamping frame in a penetrating mode, the other plane bearing is arranged at two sides of the clamping frame, and the two clamping plates are fixedly arranged on one sides of the two sides of the clamping frame, which correspond to each other in a horizontal mode, and the two sides of the clamping plates are close to each other.

Preferably, the toggle mechanism comprises a supporting plate, a second electric push rod, a clamping frame, a toggle block and a first gear motor, wherein the supporting plate is fixedly connected to the middle of the top end of the clamping frame, the fixed rod body of the second electric push rod is obliquely and fixedly arranged at the top of the supporting plate, the bottom end of the movable rod body is fixedly connected with the clamping frame, the first gear motor is fixedly arranged on the side face of the clamping frame, the output shaft is connected with the toggle block through a spline, the toggle block is rotationally connected to the inside of the clamping frame, and a bulge-shaped toggle bar for toggling a gear shaft clamped in the clamping mechanism is arranged outside the toggle block.

Preferably, an electric lifting rod is arranged in the middle of the bottom end of the sliding plate, the bottom end of the electric lifting rod fixing rod body is fixedly arranged on the upper surface of the base, and the top end of the movable rod body is fixedly connected with the middle of the bottom end of the sliding plate.

Preferably, the rotation adjustment mechanism comprises a rotating plate, a second gear motor, a threaded screw rod, a limiting rod and a screw rod sliding block, wherein the middle part of one side of the rotating plate, close to the sliding plate, is connected with the output end of the steering engine through a spline, the second gear motor is fixedly arranged on the side face of the rotating plate and the output end of the second gear motor is connected with the threaded screw rod through a spline, the threaded screw rod is rotationally connected with the inside of the rotating plate, the limiting rod and two limiting rods are respectively fixedly connected with the top and the bottom of the rotating plate, and the middle part of the screw rod sliding block is connected with the outside of the threaded screw rod through a thread transmission, and the top and the bottom of the threaded screw rod sliding block are respectively sleeved with the outside of the two limiting rods.

Preferably, the grinding wheel mechanism comprises a grinding wheel frame, a driving motor and a grinding wheel, wherein the grinding wheel frame is fixedly connected to the side face of the screw rod sliding block, the driving motor is fixedly arranged on the upper surface of the grinding wheel frame, the output end of the driving motor is connected with the grinding wheel through a spline, the grinding wheel is rotationally connected in the grinding wheel frame, and the grinding wheel corresponds to the rotating clamping mechanism horizontally.

The technical scheme has the beneficial effects that:

This high accuracy gear wheel processing is with grinding tooth frock passes through sliding support, rotation chucking mechanism, stirring mechanism, rotation adjustment mechanism and grinding wheel mechanism's setting, can fix the gear shaft card of different model sizes in rotation chucking mechanism, and adjust the gear shaft to suitable position through sliding support and crane, grinding wheel mechanism can reciprocate outside vertical branch, thereby can adjust the height of polishing to the tooth teeth of gear shaft properly, and rotation chucking mechanism can rotate, be convenient for adjust the fixed state of gear shaft, grinding wheel mechanism can rotate under rotation adjustment mechanism's drive, thereby polish the different positions of gear shaft, can be convenient for carry out abundant and fine grinding to every tooth groove of different model gear shafts through this frock, and convenient operation, quick adjustment of being convenient for has improved the grinding tooth efficiency to the gear shaft greatly.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view showing a split state of the sliding support of the present utility model;

FIG. 3 is a schematic view of a rotational clamping mechanism according to the present utility model;

FIG. 4 is a schematic view showing the disassembled state of the rotating clamping mechanism of the utility model;

FIG. 5 is a schematic view of a toggle mechanism of the present utility model in a disassembled state;

FIG. 6 is a schematic side cross-sectional view of a toggle mechanism of the present utility model;

FIG. 7 is a schematic view of the sliding plate and its outer structure according to the present utility model;

Fig. 8 is a schematic diagram of the split state of fig. 7 according to the present utility model.

In the figure, 1, a base; 2, a vertical strut, 3, a sliding support, 4, a lifting frame, 5, a sliding plate, 6, a steering engine, 7, a first electric push rod, 8, a rotary rod, 9, a clamping frame, 10, a threaded rod, 11, a plane bearing, 12, a clamping plate, 13, a supporting plate, 14, a second electric push rod, 15, a clamping frame, 16, a stirring block, 17, a first gear motor, 18, an electric lifting rod, 19, a rotating plate, 20, a second gear motor, 21, a threaded screw rod, 22, a limiting rod, 23, a screw rod sliding block, 24, a grinding wheel frame, 25, a driving motor, 26, a grinding wheel, 27, a clamping plate, 28, a tension spring, 29 and a clamping groove.

Detailed Description

The foregoing and other features, aspects and advantages of the present utility model will become more apparent from the following detailed description of embodiments of the utility model with reference to the accompanying drawings, 1 to 8.

The embodiment provides a gear grinding tool for processing a high-precision gear shaft, as shown in figures 1-8, the gear grinding tool comprises a base 1 and a vertical supporting rod 2, wherein the upper surface of the base 1 is slidably connected with a sliding support 3, the top end of the sliding support 3 is provided with a lifting frame 4, the positions, corresponding to the two sides, of the bottom of the sliding support 3 are provided with sliding grooves, the two sides of the bottom of the sliding support 3 are fixedly connected with sliding blocks, the sliding blocks can transversely slide in the sliding grooves so as to adjust the transverse position of the sliding support 3, the bottom, close to one side of the vertical supporting rod 2, of the sliding support 3 is provided with a first electric push rod 7, the fixed rod body part of the first electric push rod 7 is fixedly connected to the upper surface of the base 1, the movable rod body is fixedly connected with the bottom of the side surface of the sliding support 3, the two first electric push rods 7 are respectively corresponding to the two sliding grooves, the movable ends of the first electric push rods 7 extend or retract so as to adjust the positions of the sliding support 3, and thus all structures above and synchronously displace the sliding support 3 can adjust the relative positions of the gear shaft and the mechanism;

The side of the lifting frame 4 is provided with a rotation clamping mechanism capable of clamping a gear shaft, the rotation clamping mechanism comprises a rotary rod 8, a clamping frame 9, a threaded rod 10, a plane bearing 11 and a clamping plate 12, the rotary rod 8 is arranged in the middle of the top end of the lifting frame 4 in a penetrating way and can rotate in the lifting frame, a clamping plate 27 is inserted in the middle of the top end of the lifting frame 4, two ends of the clamping plate 27 are fixedly connected with a tension spring 28, the bottom end of the tension spring 28 is fixedly connected with the upper surface of the lifting frame 4, clamping grooves 29 are formed in the outer part of the rotary rod 8, the number of the clamping grooves 29 is a plurality of, the clamping grooves 29 are formed in the outer part of the rotary rod 8 in a ring-shaped array way, the tension spring 28 can exert downward tension on the clamping plate 27, and therefore the clamping plate 27 can be completely inserted in the clamping grooves 29 on the rotary rod 8, and the position of the rotary rod 8 can be fixed;

The middle part of the clamping frame 9 is fixedly connected with the rotary rod 8, one side of the clamping frame is internally embedded with a plane bearing 11, the other side of the clamping frame 9 is threaded with a threaded rod 10, one end of the threaded rod 10, which is arranged in the clamping frame 9 in a penetrating way, is provided with another plane bearing 11, one sides of the two plane bearings 11, which are horizontally corresponding and are close to each other, are fixedly provided with clamping plates 12, the clamping plates 12 can rotate relative to the clamping frame 9 under the action of the plane bearings 11, the gear shaft can still ensure normal rotation after being clamped between the two clamping plates 12, and the distance between the plane bearing 11 at the end part of the threaded rod 10 and the clamping plates 12 at the other side of the threaded rod can be adjusted through the threaded rod 10, so that the gear shaft can be clamped in a rotation clamping mechanism according to the size of the gear shaft;

The middle part at the top end of the rotating clamping mechanism is provided with a stirring mechanism for stirring the rotation of the gear shaft, the stirring mechanism comprises a supporting plate 13, a second electric push rod 14, a clamping frame 15, a stirring block 16 and a first gear motor 17, the supporting plate 13 is fixedly connected to the middle part at the top end of the clamping frame 9, a fixed rod body part of the second electric push rod 14 is obliquely and fixedly arranged at the top of the supporting plate 13, the bottom end of a movable rod body is fixedly connected with the clamping frame 15, the second electric push rod 14 is in an inclined state and corresponds to the obliquely upper part of one side, far away from the grinding wheel mechanism, of the gear shaft, the first gear motor 17 is fixedly arranged at the side surface of the clamping frame 15, an output shaft is connected with the stirring block 16 through a spline, the stirring block 16 is rotationally connected to the inside of the clamping frame 15, the outside of the stirring block 16 is provided with a bulge-shaped stirring bar for stirring the gear shaft clamped in the rotating clamping mechanism, the stirring bar can be clamped with the gear teeth of the gear shaft, and the first gear motor 17 drives the stirring block 16 to rotate slowly, after the stirring bar on the stirring block 16 contacts with the gear teeth of the gear shaft, the gear shaft can be driven to rotate at a uniform speed, and only one stirring bar is arranged, and the stirring bar can drive the gear shaft to rotate after the stirring bar rotates each time, when the stirring block 16 rotates, and the stirring bar contacts with the gear shaft and only one tooth groove after the gear tooth is contacted with the gear tooth, so that the gear tooth can rotate through a distance through the grinding wheel grinding mechanism;

the vertical support rod 2 is fixedly connected to one side of the upper surface of the base 1 far away from the sliding support 3, the outer part of the vertical support rod is vertically and slidably connected with the sliding plate 5, the middle part of the bottom end of the sliding plate 5 is provided with the electric lifting rod 18, the bottom end of the electric lifting rod 18 fixing rod body is fixedly arranged on the upper surface of the base 1, the top end of the movable rod body is fixedly connected with the middle part of the bottom end of the sliding plate 5, the movable rod body part of the electric lifting rod 18 stretches out or withdraws to control the sliding plate 5 and the rotation adjusting mechanism and the grinding wheel mechanism on the side surface thereof to synchronously rise or fall, so that the height of the grinding wheel 26 is convenient to adjust;

The rotation adjusting mechanism comprises a rotating plate 19, a second speed reducing motor 20, a threaded lead screw 21, a limit rod 22 and a lead screw sliding block 23, wherein the middle part of one side of the rotating plate 19, which is close to the sliding plate 5, is connected to the output end of a steering engine 6 through a spline, the steering engine 6 can drive the rotating plate 19 to rotate along the axis of the steering engine, so that the state of a grinding wheel 26 can be adjusted, the grinding wheel 26 can be adjusted to be in a horizontal or vertical state, and the fixed state of a gear shaft is convenient to adjust;

The grinding wheel mechanism comprises a grinding wheel frame 24, a driving motor 25 and a grinding wheel 26, wherein the grinding wheel frame 24 is fixedly connected to the side face of the screw rod sliding block 23, the driving motor 25 is fixedly arranged on the upper surface of the grinding wheel frame 24, the output end of the driving motor is connected with the grinding wheel 26 through a spline, the grinding wheel 26 is rotationally connected in the grinding wheel frame 24, the grinding wheel 26 corresponds to the rotating clamping mechanism horizontally, and the driving motor 25 can drive the grinding wheel 26 to rotate, so that a gear shaft is polished through the grinding wheel 26.

Steering wheel 6, first electric putter 7, second electric putter 14, first gear motor 17, electric lift pole 18, second gear motor 20 and driving motor 25 are all through wire and external circuit and are electric connection.

In summary, the gear grinding tool for processing the high-precision gear shaft comprises the following steps:

1. Firstly, a gear shaft needing gear grinding is placed between two clamping plates 12, a threaded rod 10 is rotated to enable the clamping plates 12 at one end of the threaded rod 10 to approach the gear shaft, and the gear shaft is clamped between the two clamping plates 12;

2. Then the sliding support 3 is controlled to transversely slide through the first electric push rod 7, the gear is moved to one side close to the grinding wheel 26 in the axial direction, after the height and the position of the gear shaft are fixed, the sliding plate 5 is controlled to move up and down through the electric lifting rod 18, and the edge part of the grinding wheel 26 corresponds to a tooth slot in the middle of the gear shaft;

3. Then the poking block 16 is adjusted to be abutted against the gear shaft through the second electric push rod 14, so that a poking bar on the poking block 16 can be abutted against the gear teeth which are expected to be closest to the outer part of the gear shaft, then the first gear motor 17 is operated to drive the poking block 16 to rotate, the poking block 16 stops rotating when the gear teeth corresponding to the gear shaft are completely meshed, the gear shaft can be fixed, then the movable rod body part of the first electric push rod 7 is controlled to retract inwards for a small distance, and a tooth slot on the side, close to the gear shaft, of the gear shaft and the grinding wheel 26 can be just abutted against the edge of the grinding wheel 26, so that the inner part of the gear teeth of the gear shaft is polished through high-speed rotation of the grinding wheel 26;

4. Meanwhile, the second gear motor 20 drives the threaded screw rod 21 to rotate so as to drive the grinding wheel 26 to transversely move, so that the grinding wheel 26 can transversely move along the gear teeth while rotating at a high speed to grind the gear teeth of the gear shaft, and the gear teeth of the gear shaft can be ground more fully;

5. After finishing polishing one gear tooth on the gear shaft, controlling the sliding support 3 to move to one side far away from the grinding wheel 26 through the first electric push rod 7 so as to enable the gear shaft to be temporarily separated from the grinding wheel, driving the stirring block 16 to rotate for one circle through the second gear motor 20, enabling the stirring bar on the stirring block 16 to just stir the gear shaft forwards by one gear tooth, and then driving the sliding support 3 to move to one side close to the grinding wheel 26 through the first electric push rod 7 again so as to enable a tooth slot of the next gear tooth to be abutted with the grinding wheel 26 and polishing the inner part of the gear tooth through the grinding wheel 26;

6. After the gear shaft is installed and fixed, the rotary rod 8 can be rotated, the gear shaft is adjusted to be in a vertical state, or the gear shaft is kept in a horizontal state, the rotary plate 19 is driven to rotate through the steering engine 6, the grinding wheel 26 is adjusted to be in a vertical state, the end face of the gear shaft can be polished by the grinding wheel 26, and the purpose of fully polishing the gear shaft is achieved.

The above description is only for the purpose of illustrating the utility model, and it should be understood that the utility model is not limited to the above embodiments, but various modifications consistent with the idea of the utility model are within the scope of the utility model.

Claims (7)

1. The gear grinding tool for machining the high-precision gear shaft comprises a base (1) and a vertical supporting rod (2) and is characterized in that a sliding support (3) is connected to the upper surface of the base (1) in a sliding mode, a lifting frame (4) is arranged at the top end of the sliding support (3), a rotating clamping mechanism capable of clamping the gear shaft is arranged on the side face of the lifting frame (4), a stirring mechanism used for stirring the rotation of the gear shaft is arranged in the middle of the top end of the rotating clamping mechanism, the vertical supporting rod (2) is fixedly connected to one side, far away from the sliding support (3), of the upper surface of the base (1) in a sliding mode, a sliding plate (5) is connected to the outer portion of the vertical sliding portion of the vertical supporting rod in a sliding mode, a steering engine (6) is fixedly arranged in the middle of one side, far away from the sliding support (3), the output end of the steering engine (6) penetrates through one side, close to the sliding support (3), of the sliding plate (5) in a rotating adjusting mechanism, and a grinding wheel mechanism is arranged at the movable end of the rotating adjusting mechanism.

2. The gear grinding tool for machining the high-precision gear shaft, as claimed in claim 1, is characterized in that a first electric push rod (7) is arranged at the bottom of one side, close to the vertical support rod (2), of the sliding support (3), a fixed rod body part of the first electric push rod (7) is fixedly connected to the upper surface of the base (1), and a movable rod body is fixedly connected with the bottom of the side face of the sliding support (3).

3. The gear grinding tool for machining the high-precision gear shaft, as claimed in claim 1, is characterized in that the rotating clamping mechanism comprises a rotating rod (8), a clamping frame (9), a threaded rod (10), a plane bearing (11) and a clamping plate (12), the rotating rod (8) is arranged in the middle of the top end of the lifting frame (4) in a penetrating mode and can rotate in the lifting frame, the middle of the clamping frame (9) is fixedly connected with the rotating rod (8), the plane bearing (11) is embedded in one side of the clamping frame, the threaded rod (10) is arranged on the other side of the clamping frame (9) in a threaded mode, the threaded rod (10) is arranged on one end, which is arranged in the clamping frame (9) in a penetrating mode, of the other plane bearing (11), and the two planes bearings (11) are horizontally corresponding and are fixedly arranged on one sides, which are close to each other, of the two planes bearings (11) are fixedly provided with the clamping plate (12).

4. The gear grinding tool for machining the high-precision gear shaft, according to claim 3, is characterized in that the stirring mechanism comprises a supporting plate (13), a second electric push rod (14), a clamping frame (15), a stirring block (16) and a first gear motor (17), the supporting plate (13) is fixedly connected to the middle of the top end of the clamping frame (9), a fixed rod body part of the second electric push rod (14) is obliquely and fixedly installed at the top of the supporting plate (13) and the bottom end of a movable rod body is fixedly connected with the clamping frame (15), the first gear motor (17) is fixedly installed on the side face of the clamping frame (15) and an output shaft is connected with the stirring block (16) through a spline, the stirring block (16) is rotatably connected to the inside of the clamping frame (15), and a convex stirring bar for stirring the gear shaft clamped in the rotation clamping mechanism is arranged outside the stirring block (16).

5. The gear grinding tool for machining the high-precision gear shaft, as set forth in claim 1, is characterized in that an electric lifting rod (18) is arranged in the middle of the bottom end of the sliding plate (5), the bottom end of a fixed rod body of the electric lifting rod (18) is fixedly arranged on the upper surface of the base (1), and the top end of a movable rod body is fixedly connected with the middle of the bottom end of the sliding plate (5).

6. The gear grinding tool for machining the high-precision gear shaft, as set forth in claim 1, characterized in that the rotation adjusting mechanism comprises a rotation plate (19), a second gear motor (20), a threaded screw (21), a limiting rod (22) and a screw slider (23), wherein the middle part of one side of the rotation plate (19) close to the sliding plate (5) is connected to the output end of the steering engine (6) through a spline, the second gear motor (20) is fixedly installed on the side surface of the rotation plate (19) and the output end of the second gear motor is connected with the threaded screw (21) through a spline, the threaded screw (21) is rotationally connected to the inside of the rotation plate (19), the limiting rods (22) are respectively arranged above and below the threaded screw (21) and are respectively fixedly connected to the top and the bottom of the rotation plate (19), and the middle part of the screw slider (23) is connected to the outside of the threaded screw (21) through a thread transmission and the top and the bottom are respectively sleeved on the outside of the two limiting rods (22).

7. The gear grinding tool for machining the high-precision gear shaft, as set forth in claim 6, characterized in that the grinding wheel mechanism comprises a grinding wheel frame (24), a driving motor (25) and a grinding wheel (26), wherein the grinding wheel frame (24) is fixedly connected to the side face of a screw rod sliding block (23), the driving motor (25) is fixedly installed on the upper surface of the grinding wheel frame (24) and the output end of the driving motor is connected with the grinding wheel (26) through a spline, the grinding wheel (26) is rotatably connected to the inside of the grinding wheel frame (24), and the grinding wheel (26) horizontally corresponds to the rotating clamping mechanism.