CN210452313U - Honing fixture for gear sleeve parts - Google Patents

Abstract

The utility model discloses a honing fixture for gear sleeve parts, which comprises a base, a base plate, an outer ring, an inner ring and a cover plate; two sinking grooves are arranged at one end of the inner ring adjacent to the cover plate, the two sinking grooves are positioned at two sides of a central hole of the inner ring, radial grooves connected with the central hole are arranged at the middle parts of the two sinking grooves, the inner ends of the two driving levers are arranged in the respective sinking grooves, the two driving levers are hinged with the inner ring through hinge shafts in the sinking grooves, limiting teeth positioned in the radial grooves are fixedly connected with the two driving levers, each driving lever and the inner ring are provided with a spring notch and a spring blind hole which are matched with each other, the two compression springs are arranged in a group of spring notch and a spring blind hole, and the compression spring and the limiting teeth of each driving lever are positioned at two sides of the hinge shaft; the utility model discloses can realize compound spacing to the work piece, the range of beating during the honing is little to improve the machining precision, and integrate and degree of automation is high, improve machining efficiency.

Description

Honing fixture for gear sleeve parts

Technical Field

The utility model relates to a honing anchor clamps, especially the honing anchor clamps that are used for tooth cover class part.

Background

The honing is to finish the workpiece by using the oilstone embedded on the honing head, and during the honing, the workpiece needs to be clamped by a clamp and can jump and limit within a small range; the existing honing fixture for gear sleeve parts, as disclosed in patent No. 201520150451, comprises a clamping frame, a swinging ring, an upper clamping plate and a lower clamping plate, wherein the swinging ring can move along one supporting shaft relative to the clamping frame, the lower clamping plate can move along the other supporting shaft relative to the lower clamping plate, the two supporting shafts are mutually vertical, the upper clamping plate and the lower clamping plate fix a workpiece, and the workpiece can jump in a plane determined by the two supporting shafts; but this structure is comparatively single to the spacing of work piece, and its range of beating is bigger during the honing, influences the machining precision, and the work piece parameter changes slightly, and the device needs readjustment, and its integrates and degree of automation is low, influences machining efficiency.

Disclosure of Invention

The utility model aims at the above-mentioned not enough that prior art exists, provide a honing anchor clamps of tooth cover class part, it can realize compound spacing to the work piece, and the range of beating during the honing is little to improve the machining precision, integrate and degree of automation is high, improves machining efficiency.

In order to achieve the purpose, the honing fixture for the gear sleeve parts comprises a base, a base plate, an outer ring, an inner ring and a cover plate which are connected, wherein the outer ring and the base are provided with an outer guide pin and an outer guide hole which are matched with each other; the novel lifting rod structure is characterized in that two sinking grooves are formed in one end, close to the cover plate, of the inner ring, the two sinking grooves are located on two sides of a center hole of the inner ring, radial grooves connected with the center hole are formed in the middle of the two sinking grooves, the inner ends of the two lifting rods are arranged in the respective sinking grooves, the two lifting rods are hinged to the inner ring through hinge shafts in the sinking grooves, limiting teeth located in the radial grooves are fixedly connected to the two lifting rods, each lifting rod and the inner ring are provided with a spring notch and a spring blind hole which are matched with each other, the two compression springs are arranged in a group of spring notch and a group of spring blind hole, and the compression spring and the limiting teeth of each lifting rod are.

When the honing device is used, the outer ends of the two deflector rods are positioned outside the sinking groove, the two deflector rods are enabled to perform opening and closing movement by rotating the two deflector rods, a workpiece is placed in the center holes of the inner ring and the cover plate, then the two deflector rods are reset under the action of the compression spring, the two limiting teeth are inserted into tooth grooves on the outer side of the workpiece, the workpiece can be limited in the circumferential direction, the outer guide pin and the inner guide pin are limited in a plane, the workpiece can be limited in a composite mode, the jumping amplitude during honing is small, and therefore the machining precision is improved; the compression spring is applicable to workpieces with a certain range of outer diameters and tooth groove widths, the workpieces are not required to be replaced, the integration degree is high, and the machining efficiency can be improved;

as a further improvement of the utility model, the outer ends of the two deflector rods are fixedly connected with the deflector rods, the compression spring and the outer end of one deflector rod are positioned at both sides of the hinge shaft, and the compression spring and the outer end of the other deflector rod are positioned at the same side of the hinge shaft; a bracket is arranged on one side of the outer ends of the two shift levers, two sliding blocks matched with the two shift shafts are fixedly arranged on the bracket, and the two sliding blocks are provided with conical surfaces which are inclined to the same direction; the bracket is pushed to the two deflector rods, and the deflector rods are pushed by the conical surfaces of the two sliding blocks, so that the two deflector rods rotate and do opening and closing movement, the integration and automation degree of the clamp can be improved, and the processing efficiency is improved;

as a further improvement of the utility model, the upper end of the cover plate is integrally and fixedly connected with a central cylinder; the device is suitable for workpieces with higher heights;

as a further improvement of the utility model, the backing plate is connected with the base through bolts, and the upper end surface of the backing plate is provided with a plurality of transverse and longitudinal chip grooves; the backing plate is easy to replace after being worn and is beneficial to discharging abrasive dust;

as a further improvement of the utility model, two guide blocks parallel to the edges of the two sides of the outer ring are fixedly connected with the two sides of the bracket; the guide can be realized when the bracket is pushed;

to sum up, the utility model discloses can realize compound spacing to the work piece, the range of beating during the honing is little to improve the machining precision, and integrate and degree of automation is high, improves machining efficiency.

Drawings

Fig. 1 is a front view of an embodiment of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a left side view of fig. 1.

Fig. 4 is a sectional view a-a of fig. 1.

Fig. 5 is a front view of the inner race of fig. 1.

Fig. 6 is a top view of fig. 5.

Fig. 7 is a top view of the pallet of fig. 1.

FIG. 8 is a front view of a toggle lever of FIG. 2.

FIG. 9 is a front view of the alternative toggle lever of FIG. 2.

Fig. 10 is a perspective view of an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 10, the honing fixture for gear sleeve parts comprises a base 1, a backing plate 2, an outer ring 3, an inner ring 4 and a cover plate 5 which are connected through bolts, wherein the backing plate 2 is provided with a plurality of transverse and longitudinal chip grooves 22 on the upper end surface, the outer ring 3 and the base 1 are provided with an outer guide pin 6 and an outer guide hole which are matched with each other, the inner ring 4 and the outer ring 3 are provided with an inner guide pin 7 and an inner guide hole which are matched with each other, the axes of the outer guide pin 6 and the inner guide pin 7 are mutually vertical, the backing plate 2, the inner ring 4 and the cover plate 5 are provided with central holes, and the upper end of the cover plate 5 is integrally and fixedly connected with a; two sinking grooves 8 and 9 are arranged at one end of the inner ring 4 adjacent to the cover plate 5, the two sinking grooves 8 and 9 are positioned at two sides of a central hole of the inner ring, radial grooves connected with the central hole are arranged at the middle parts of the two sinking grooves 8 and 9, the inner ends of the two driving levers 10 and 11 are arranged in the respective sinking grooves 8 or 9, the outer ends of the two driving levers 10 and 11 are positioned outside the respective sinking grooves 8 or 9, the two driving levers 10 and 11 are hinged with the inner ring 4 through hinge shafts 12 or 13 in the sinking grooves 8 or 9, the two driving levers 10 and 11 are integrally and fixedly connected with limiting teeth 14 or 15 positioned in the radial grooves, each driving lever 10 or 11 and the inner ring 4 are provided with a spring notch 16 or 17 and a spring blind hole 18 or 19 which are matched with each other, the two compression springs 20 and 21 are arranged in the respective group of spring notch and spring blind hole, and the compression spring 20 or 21 and the limiting teeth 14 or 15 of each driving lever 10 or 11 are positioned at two sides of the hinge; the outer ends of the two shift levers 10 and 11 are fixedly connected with shift shafts 23 or 24, the compression spring 20 and the outer end of the shift lever 10 are positioned at two sides of the hinge shaft 12, and the compression spring 21 and the outer end of the other shift lever 11 are positioned at the same side of the hinge shaft 13; a bracket 26 is arranged at one side of the outer ends of the two shift levers 10 and 11, two sliding blocks 27 and 28 matched with the two shift shafts 23 and 24 are fixedly arranged on the bracket 26, and the two sliding blocks 27 and 28 are provided with conical surfaces which are inclined at the same direction; two guide blocks 29 which are parallel to the two side edges of the outer ring 3 are fixedly connected with the two sides of the bracket 26;

when in use, the base 1 is arranged on a rotary worktable, and the bracket 26 is connected with a cylinder on a machine tool upright post; the support 26 is pushed to the two shift levers 10 and 11, the conical surfaces of the two sliding blocks 27 and 28 push the respective shift shafts 23 and 24, so that the two shift levers 10 and 11 simultaneously rotate and move in an opening and closing mode, the workpiece 31 is placed into the central holes of the inner ring 4 and the cover plate 5, then the support 26 retreats, the two shift levers 10 and 11 are reset under the action of the compression springs 20 and 21, the two limit teeth 14 and 15 are inserted into tooth grooves on the outer side of the workpiece 31, the workpiece 31 can be limited in the circumferential direction, and the outer guide pin 6 and the inner guide pin 7 are limited in a plane, so that the workpiece can be limited compositely during honing, the jumping amplitude during honing is small, and the processing precision is improved; the compression springs 20 and 21 are applicable to workpieces with a certain range of outer diameters and tooth groove widths, the workpieces are not required to be readjusted when being replaced, and the two deflector rods 10 and 11 are simultaneously pushed by the bracket 26, so that the integration and automation degree is high, and the machining efficiency can be improved; the backing plate 2 is easy to replace after being worn, and the chip groove 22 is beneficial to discharging abrasive dust and can be used for a long time; the two guide blocks 29 guide when pushing the bracket 26.

Claims (5)

1. A honing fixture for gear sleeve parts comprises a base, a base plate, an outer ring, an inner ring and a cover plate, wherein the base and the outer ring are connected; the novel lifting rod structure is characterized in that two sinking grooves are formed in one end, close to the cover plate, of the inner ring, the two sinking grooves are located on two sides of a center hole of the inner ring, radial grooves connected with the center hole are formed in the middle of the two sinking grooves, the inner ends of the two lifting rods are arranged in the respective sinking grooves, the two lifting rods are hinged to the inner ring through hinge shafts in the sinking grooves, limiting teeth located in the radial grooves are fixedly connected to the two lifting rods, each lifting rod and the inner ring are provided with a spring notch and a spring blind hole which are matched with each other, the two compression springs are arranged in a group of spring notch and a group of spring blind hole, and the compression spring and the limiting teeth of each lifting rod are.

2. A honing jig for gear sleeve parts as claimed in claim 1, wherein the outer ends of both the shift levers are fixedly connected to the shift shafts, the compression spring and the outer end of one shift lever are located on both sides of the hinge shaft thereof, and the compression spring and the outer end of the other shift lever are located on the same side of the hinge shaft thereof; one side of the outer ends of the two shift levers is provided with a bracket, the bracket is fixedly provided with two slide blocks matched with the two shift shafts, and the two slide blocks are provided with conical surfaces inclined to the same direction.

3. A honing jig for a gear sleeve-like member as claimed in claim 1 or 2, wherein a center cylinder is integrally fixed to an upper end of the cover plate.

4. A honing jig for forming sets of parts as claimed in claim 3, wherein the back plate is connected to the base by bolts, and the upper end face of the back plate is provided with a plurality of transverse and longitudinal flutes.

5. A honing jig for gear sleeve type parts as claimed in claim 2, wherein two guide blocks parallel to both side edges of the outer ring are fixedly attached to both sides of the holder.

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