CN212444167U

CN212444167U - Device for machining and positioning gear shaft

Info

Publication number: CN212444167U
Application number: CN202021368141.6U
Authority: CN
Inventors: 向光祥
Original assignee: Yichang Changjiang Machine Technology Co Ltd
Current assignee: Yichang Changjiang Machine Technology Co Ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-02-02
Anticipated expiration: 2030-07-13

Abstract

The utility model provides a device for gear shaft processing location, it includes the supporting seat, supporting seat bottom end fixed mounting has the ring flange, the central support of ring flange is installed the supporting sleeve, the center of supporting the cover is installed the guide bar through sliding fit, the bottom processing of guide bar has the location shaft part, the location shaft part passes through spring stop gear and ring flange and supports the cover and constitute the spacing cooperation of axial, the positioning seat is installed to the upper portion cavity of supporting seat, the location tooth is installed to the symmetry on the supporting sleeve, location tooth and guide bar all pass the positioning seat. The whole process is simple to operate and convenient to use, the positioning precision of the parts is high, the clamping time is saved, and the gear shaft machining and positioning method is simple in machining and assembling, stable and reliable.

Description

Device for machining and positioning gear shaft

Technical Field

The utility model belongs to the technical field of gear machining, especially, relate to a device for gear shaft processing location.

Background

When a traditional gear processing machine tool carries out gear shaft processing, a spring chuck is adopted to clamp parts, and a three-jaw chuck is also adopted to manually clamp the parts, the biggest defect of the traditional gear processing machine tool is that when the spring chuck is adopted to clamp the parts, the fixed position on the circumference can not be ensured when the parts are repeatedly clamped, namely the phase requirement of the processed teeth and the lugs can not be ensured, the three-jaw chuck is adopted to manually clamp the parts, the manual clamping can not ensure the clamping precision of the parts except the phase requirement of the processed teeth and the lugs, the manual alignment is carried out during each clamping, and the operation is very troublesome.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a device for gear shaft processing location, overcome traditional gear cutting machine tool and carry out the gear shaft processing man-hour the usual method adopt the spring clamp head to carry out the clamping to the part, can not guarantee the fixed position on the circumference when part repeated clamping, can not guarantee promptly by the phase place requirement of processing tooth and lug, after adopting this gear shaft processing location method, only need insert the part on the guide bar, utilize the centre bore in the part hole to fix a position on the guide bar, lug on the part is on the positioning seat recess positioning control part in the position of circumferencial direction, the part pushes down the terminal surface under the lug through last apex and drives the rotation that the part was processed man-hour, whole process operation is simple, high in use, part positioning accuracy, the clamping time has been practiced thrift, this gear shaft processing location method processing, The assembly is simple, stable and reliable.

In order to realize the technical characteristics, the purpose of the utility model is realized as follows: the utility model provides a device for gear shaft processing location, it includes the supporting seat, supporting seat bottom end fixed mounting has the ring flange, the center-support of ring flange is installed and is supported the cover, the center of supporting the cover is installed the guide bar through sliding fit, the bottom processing of guide bar has the location shaft part, the location shaft part passes through spring stop gear and ring flange and supports the cover and constitute the spacing cooperation of axial, the positioning seat is installed to the upper portion cavity of supporting seat, the symmetry is installed the location tooth on the supporting seat, location tooth and guide bar all pass the positioning seat.

Spring stop gear includes the spacer bush of suit on the location axial region, the lower terminal surface of spacer bush and the cooperation of the two top contacts of the spring of suit on the location axial region, the bottom of spring two contacts the cooperation with the spring installation cavity that sets up at ring flange central point, the spring installation cavity is worn out to the bottom of location axial region to there is the nut at its bottom mounting.

The outer portion of the supporting sleeve is sleeved with a first spring, the bottom end of the first spring is in contact fit with the top end of the flange plate, and the top end of the first spring is in contact fit with the lower end face of the positioning seat.

The flange plate is fixedly arranged at the bottom end of the supporting seat through a plurality of flange bolts.

A guide hole for penetrating through the guide rod is processed in the center of the positioning seat, and side holes for penetrating through the positioning teeth are symmetrically processed on two sides of the guide hole; and a groove which traverses the guide hole and the side hole is processed at the top of the positioning seat.

The end of the positioning tooth is provided with a conical tooth end.

The utility model discloses there is following beneficial effect:

1. through adopting the utility model discloses a positioner, on inserting the guide bar with the part, utilize the centre bore in the part hole to fix a position on the guide bar, lug on the part location control part is in the position of circumferencial direction on the positioning seat recess, and the part pushes down the lug lower extreme face through last apex and presses the rotation that drives part man-hour on the location tooth, and its positioning accuracy is high, and simple to operate is swift.

2. The first spring can be used for achieving the purpose of automatically resetting the positioning seat. And ensure that the positioning seat can have certain displacement along the axial direction.

3. The positioning seat can be used for reliably positioning the gear shaft part in the circumferential direction through the groove. The guide hole can be used for guiding the guide rod.

4. The guide hole can be used for guiding the guide rod.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a main sectional view of the present invention.

Fig. 2 is a three-dimensional view of the positioning seat of the present invention.

Fig. 3 is a three-dimensional view of the positioning teeth of the present invention.

Fig. 4 is a three-dimensional view of the gear shaft component of the present invention.

In the figure: the device comprises an upper tip 1, a gear shaft part 2, a guide rod 3, a positioning seat 4, a positioning tooth 5, a supporting seat 6, a supporting sleeve 7, a first spring 8, a spacer 9, a flange plate 10, a second spring 11, a nut 12, a groove 13, a side hole 14, a guide hole 15, a conical tooth end 16, a gear shaft section 17, a central hole 18, a lug 19, a flange bolt 20, a positioning shaft section 21 and a spring mounting cavity 22.

Detailed Description

The following describes embodiments of the present invention with reference to the accompanying drawings.

Example 1:

referring to fig. 1, the device for processing and positioning the gear shaft comprises a supporting seat 6, wherein a flange plate 10 is fixedly installed at the bottom end of the supporting seat 6, a supporting sleeve 7 is installed at the center of the flange plate 10 in a supporting mode, a guide rod 3 is installed at the center of the supporting sleeve 7 in a sliding fit mode, a positioning shaft section 21 is processed at the bottom end of the guide rod 3, the positioning shaft section 21 is in axial limiting fit with the flange plate 10 and the supporting sleeve 7 through a spring limiting mechanism, a positioning seat 4 is installed in an upper cavity of the supporting seat 6, positioning teeth 5 are symmetrically installed on the supporting sleeve 7, and the positioning teeth 5 and the guide rod 3 penetrate through the positioning seat 4. The positioning device with the structure can be used for clamping and positioning the gear shaft part 2 in the machining process of a gear machine tool, can automatically realize axial and circumferential positioning of the gear shaft part 2, can also realize axis positioning, further guarantees repeated positioning accuracy, is high in positioning accuracy, convenient to clamp, reduces the operation requirement, and is simpler to machine and assemble.

In a specific using process, the center hole of the gear shaft part 2 can be positioned through the guide rod 3, so that the axis positioning is realized, and the coaxiality is ensured; axial positioning is realized through the positioning teeth 5, and circumferential positioning is realized through the matching of the positioning teeth and the grooves on the positioning seat 4, so that the positioning precision is ensured.

Further, spring stop gear is including the spacer 9 of suit on location axial segment 21, the lower terminal surface of spacer 9 and the cooperation of the two 11 top contacts of spring of suit on location axial segment 21, the bottom of two 11 springs contacts the cooperation with the spring installation cavity 22 that sets up at ring flange 10 central point, spring installation cavity 22 is worn out to the bottom of location axial segment 21 to there is nut 12 at its bottom mounting. Through foretell spring stop gear can be used for realizing the axial stroke location to guide bar 3, can guarantee moreover that it realizes automatic re-setting, guarantees that it can have certain stroke along the axial.

In the specific clamping process, the guide rod 3 is pressed through the gear shaft part 2, the guide rod 3 moves downwards along the guide hole 15, and after the guide rod 3 is unloaded, the guide rod 3 automatically jacks up and resets under the action of the second spring 11.

Furthermore, a first spring 8 is sleeved outside the support sleeve 7, the bottom end of the first spring 8 is in contact fit with the top end of the flange plate 10, and the top end of the first spring 8 is in contact fit with the lower end face of the positioning seat 4. The positioning seat 4 can be automatically reset through the first spring 8. And ensures that the positioning socket 4 can have a certain displacement in the axial direction.

Further, the flange plate 10 is fixedly mounted at the bottom end of the support base 6 by a plurality of flange bolts 20. Through the flange fixing mode, the reliability of fixing the flange and the flange is guaranteed.

Furthermore, a guide hole 15 for passing through the guide rod 3 is processed in the center of the positioning seat 4, and side holes 14 for passing through the positioning teeth 5 are symmetrically processed on two sides of the guide hole 15; the top of the positioning seat 4 is provided with a groove 13 which traverses a guide hole 15 and a side hole 14. The positioning seat 4 described above can be used to reliably position the gear shaft part 2 in the circumferential direction by means of the recess 13. The guide hole 15 can be used for guiding the guide rod 3.

Further, the end of the positioning tooth 5 is processed with a conical tooth end 16. The end face positioning of the lug 19 of the gear shaft part 2 is enabled by the tapered tooth end 16 described above, and the axial positioning accuracy is ensured.

Example 2:

the method for clamping and positioning the gear shaft by the gear shaft machining and positioning device comprises the following steps:

the method comprises the following steps: inserting the bottom end of the gear shaft part 2 to be processed into the top of the guide rod 3, and positioning the gear shaft part on the guide rod 3 through a central hole 18 in an inner hole of the gear shaft part 2;

step two: the position of the part in the circumferential direction is controlled by positioning the lug 19 on the gear shaft part 2 on the groove 13 of the positioning seat 4, so that circumferential positioning is realized;

step three: the top end of the gear shaft part 2 is pressed through the upper tip 1, the gear shaft part 2 is pressed downwards, the lower end face of the lug 19 is pressed on the positioning teeth 5, and the part is driven to rotate during machining;

step four: after the gear shaft part 2 is machined, the upper top 1 moves upwards, and the gear shaft part 2 is taken out.

Claims

1. The utility model provides a device for gear shaft processing location which characterized in that: it includes supporting seat (6), supporting seat (6) bottom fixed mounting has ring flange (10), the center support of ring flange (10) is installed and is supported cover (7), guide bar (3) are installed through sliding fit in the center of supporting cover (7), the bottom processing of guide bar (3) has location axial segment (21), location axial segment (21) constitute axial spacing cooperation through spring stop gear and ring flange (10) and support cover (7), positioning seat (4) are installed to the upper portion cavity of supporting seat (6), support and install location tooth (5) to the symmetry on cover (7), location tooth (5) and guide bar (3) all pass positioning seat (4).

2. The device for gear shaft machining positioning as claimed in claim 1, wherein: spring stop gear includes spacer (9) of suit on location axial region (21), the cooperation of contact on the lower terminal surface of spacer (9) and the spring two (11) tops of suit on location axial region (21), the cooperation of contacting with spring installation cavity (22) that set up at ring flange (10) central point portion in the bottom of spring two (11), spring installation cavity (22) are worn out to the bottom of location axial region (21) to there is nut (12) at its bottom mounting.

3. The device for gear shaft machining positioning as claimed in claim 1, wherein: the outer portion of the supporting sleeve (7) is sleeved with a first spring (8), the bottom end of the first spring (8) is in contact fit with the top end of the flange plate (10), and the top end of the first spring (8) is in contact fit with the lower end face of the positioning seat (4).

4. The device for gear shaft machining positioning as claimed in claim 1, wherein: the flange plate (10) is fixedly arranged at the bottom end of the supporting seat (6) through a plurality of flange bolts (20).

5. The device for gear shaft machining positioning as claimed in claim 1, wherein: a guide hole (15) for penetrating through the guide rod (3) is machined in the center of the positioning seat (4), and side holes (14) for penetrating through the positioning teeth (5) are symmetrically machined on two sides of the guide hole (15); and a groove (13) which traverses a guide hole (15) and a side hole (14) is processed at the top of the positioning seat (4).

6. The device for gear shaft machining positioning as claimed in claim 1, wherein: the end of the positioning tooth (5) is provided with a conical tooth end (16).