CN215824810U

CN215824810U - Four-axis numerical control gear hobbing machine center frame

Info

Publication number: CN215824810U
Application number: CN202122315660.7U
Authority: CN
Inventors: 向凯成
Original assignee: Chongqing Chenyu Machine Tool Manufacturing Co ltd
Current assignee: Chongqing Chenyu Machine Tool Manufacturing Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-02-15
Anticipated expiration: 2031-09-24

Abstract

The utility model provides a four-axis numerical control gear hobbing machine centre frame, includes support ring, guide cylinder and base, base fixed connection is in support ring bottom position, the guide cylinder circumference equipartition just is fixed connection at the support ring surface, the open end of guide cylinder slides and pegs graft the reference column, the plug-in end plug connecting sleeve of reference column, sleeve terminal surface position fixed connection backing plate, sleeve lateral wall spiral grafting screw thread post, the support ring lateral wall is close to the bottom position and passes through hinge swing joint stock guide, the positive position symmetry installation magnetic path of support ring. When a workpiece is clamped, the base plate on the surface of the sleeve is in direct contact with the outer surface of the workpiece, and when the workpiece is abraded, the sleeve is replaced, so that the workpiece is convenient to replace, and the clamping stability is improved; when the workpiece is machined, the produced scraps fall on the surface of the guide plate and slide along the guide plate in a directional mode, the bolts are not prone to being accumulated at the position of the base, and the disassembly and maintenance are convenient.

Description

Four-axis numerical control gear hobbing machine center frame

Technical Field

The utility model relates to the technical field of numerical control gear hobbing machines, in particular to a center frame of a four-axis numerical control gear hobbing machine.

Background

The hobbing machine is one of the most widely used gear cutting machines, and can cut straight teeth, helical cylindrical gears, worm gears, chain wheels, etc. The numerical control gear hobbing machine is suitable for batch, small batch and single piece production and processing of cylindrical gears and worm gears, and the drum gears with certain parameters can also be used for continuously indexing and hobbing 6 teeth with the length less than 300 and short spline shafts with more than 6 teeth by using spline hobs.

The center frame is arranged in the four-axis numerical control gear hobbing machine and consists of a support ring and a positioning column which is inserted on the surface of the support ring in a sliding manner, the positioning column is adjusted and locked relative to the support ring to clamp and fix a workpiece, and because the positioning column is used for a long time, the end surface position of the positioning column is abraded with the workpiece, the clamping stability is influenced, and the cost for replacing the positioning column is high, time and labor are wasted; the base position of support ring can be dismantled through the assembly seat of bolt and lathe and be connected, and the sweeps that produces among the processing work piece process is piled up in the bolt position of base, the dismantlement in inconvenient later stage maintenance operation.

In order to solve the problems, the application provides a center frame of a four-axis numerical control gear hobbing machine.

SUMMERY OF THE UTILITY MODEL

Objects of the utility model

In order to solve the technical problems in the background technology, the utility model provides a four-axis numerical control gear hobbing machine center frame, when a workpiece is clamped, a base plate on the surface of a sleeve is in direct contact with the outer surface of the workpiece, when the workpiece is abraded, the sleeve is replaced, the replacement is convenient, and the clamping stability is improved; when the workpiece is machined, the produced scraps fall on the surface of the guide plate and slide along the guide plate in a directional mode, the bolts are not prone to being accumulated at the position of the base, and the disassembly and maintenance are convenient.

(II) technical scheme

In order to solve the problems, the utility model provides a four-axis numerical control gear hobbing machine center frame which comprises a support ring, a guide cylinder and a base, wherein the base is fixedly connected to the bottom end of the support ring, the circumference of the guide cylinder is uniformly distributed on the outer surface of the support ring and is fixedly connected, a positioning column is inserted into the opening end of the guide cylinder in a sliding mode, the insertion end of the positioning column is connected with a sleeve in a plugging mode, the end face of the sleeve is fixedly connected with a base plate, the side wall of the sleeve is spirally inserted with a threaded column, the position, close to the bottom end, of the side wall of the support ring is movably connected with a material guide plate through a hinge, and magnetic blocks are symmetrically installed on the front side of the support ring.

Preferably, the adjusting hand wheel is inserted and connected in a spiral mode at the top end of the guide cylinder, the inserting end of the adjusting hand wheel is attached to the end face of the positioning column, when the inserting depth of the positioning column needs to be adjusted, the adjusting hand wheel is screwed relative to the guide cylinder, and under the thrust action of the adjusting hand wheel, the positioning column slides directionally relative to the guide cylinder to clamp and fix the workpiece.

Preferably, the reference column outside has cup jointed the spacing ring and is fixed connection, the spacing ring is located sleeve one side, and relative reference column installation sleeve in time aligns telescopic open end and the terminal surface position of reference column, promotes the sleeve, realizes pegging graft fixedly, and telescopic open end laminating is on the spacing ring surface this moment, and the backing plate laminating is in reference column terminal surface position, and when to the work piece centre gripping, the backing plate on sleeve surface and work piece surface direct contact, when taking place wearing and tearing, it can to change the sleeve, conveniently change and improve the stability of centre gripping.

Preferably, the threaded column is perpendicular to the sleeve, the inserting end of the threaded column extends to the surface of the positioning column, and the threaded column is screwed after the sleeve is installed relative to the positioning column, so that the fixed connection between the sleeve and the positioning column is realized, and the stability is good.

Preferably, the surface of the base is provided with an assembly hole, a bolt penetrates through the assembly hole, the base at the bottom end of the support ring is installed on the surface of the machine tool, and the base provides supporting force for the support ring.

Preferably, the stock guide is the slope setting, and the stock guide is located base one side, and to the work piece processing time, the sweeps that produce drop on the stock guide surface to slide along the stock guide orientation, be difficult for piling up the bolt position at the base, conveniently dismantle the maintenance.

Preferably, a rubber pad is bonded to the front side of the base, and when the material guide plate rotates relative to the support ring, the rubber pad performs buffering protection on the material guide plate.

Preferably, the handles are fixedly connected to the two side walls of the material guide plate, when the bolts on the surface of the base need to be detached, the material guide plate is lifted through the handles and rotates by taking the hinge as an axis, the material guide plate is fixed on the surface of the magnetic block of the support ring in a magnetic attraction manner, and the bolts can be detached.

The technical scheme of the utility model has the following beneficial technical effects:

1. according to the utility model, the inserting end of the positioning column is inserted into and pulled out of the connecting sleeve, the end surface of the sleeve is fixedly connected with the base plate, the side wall of the sleeve is spirally inserted with the threaded column, when a workpiece is clamped, the base plate on the surface of the sleeve is directly contacted with the outer surface of the workpiece, and when the workpiece is abraded, the sleeve can be replaced, so that the replacement is convenient, and the clamping stability is improved.

2. According to the utility model, the position of the side wall of the support ring close to the bottom end is movably connected with the material guide plate through the hinge, the magnetic blocks are symmetrically arranged on the front side of the support ring, so that when a workpiece is processed, generated scraps fall on the surface of the material guide plate and directionally slide along the material guide plate, and are not easy to accumulate at the bolt position of the base, so that the disassembly and maintenance are convenient.

Drawings

Fig. 1 is a schematic view of an overall structure of a four-axis numerical control gear hobbing machine center frame according to the present invention.

Fig. 2 is a schematic view of a connection structure of a positioning column and a sleeve of a four-axis numerical control gear hobbing machine center frame provided by the utility model.

Fig. 3 is a schematic view of a connection structure of a material guide plate and a base of a four-axis numerical control gear hobbing machine center frame according to the present invention.

Reference numerals: 1. a support ring; 2. a guide cylinder; 3. adjusting a hand wheel; 4. a positioning column; 401. a limiting ring; 5. a sleeve; 501. a base plate; 502. a threaded post; 6. a material guide plate; 601. a handle; 7. a base; 701. an assembly hole; 8. a magnetic block; 9. a hinge; 10. and (7) a rubber pad.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-3, the center frame of the four-axis numerical control gear hobbing machine provided by the utility model comprises a support ring 1, a guide cylinder 2 and a base 7, wherein the base 7 is fixedly connected to the bottom end of the support ring 1, the guide cylinder 2 is circumferentially and uniformly distributed on the outer surface of the support ring 1 and is fixedly connected, the opening end of the guide cylinder 2 is slidably inserted with a positioning column 4, the insertion end of the positioning column 4 is inserted with a sleeve 5, the end surface of the sleeve 5 is fixedly connected with a base plate 501, the side wall of the sleeve 5 is spirally inserted with a threaded column 502, the side wall of the support ring 1 near the bottom end is movably connected with a material guide plate 6 through a hinge 9, and the front side of the support ring 1 is symmetrically provided with magnetic blocks 8.

In an optional embodiment, the top end of the guide cylinder 2 is spirally inserted with an adjusting hand wheel 3, and the insertion end of the adjusting hand wheel 3 is attached to the end surface of the positioning column 4.

It should be noted that when the inserting depth of the positioning column 4 needs to be adjusted, the adjusting hand wheel 3 is screwed relatively to the guide cylinder 2, and under the thrust action of the adjusting hand wheel 3, the positioning column 4 slides directionally relatively to the guide cylinder 2 to clamp and fix a workpiece.

In an alternative embodiment, a limiting ring 401 is sleeved outside the positioning column 4 and is fixedly connected, and the limiting ring 401 is located on one side of the sleeve 5.

It should be noted that, when relative reference column 4 installation sleeve 5, align sleeve 5's open end and reference column 4's terminal surface position, promote sleeve 5, it is fixed to realize pegging graft, sleeve 5's open end laminating is on spacing ring 401 surface this moment, backing plate 501 laminates in reference column 4 terminal surface position, when to the work piece centre gripping, sleeve 5 surperficial backing plate 501 and the direct contact of work piece surface, when taking place wearing and tearing, more change sleeve 5 can, the stability of centre gripping is just improved in the convenient change.

In an alternative embodiment, the threaded post 502 is perpendicular to the sleeve 5, and the insertion end of the threaded post 502 extends to the surface of the positioning post 4.

It should be noted that, after the sleeve 5 is installed with respect to the positioning column 4, the threaded column 502 is screwed to achieve the fixed connection between the sleeve 5 and the positioning column 4, and the stability is good.

In an alternative embodiment, the surface of the base 7 is provided with a mounting hole 701.

The base 7 at the bottom end of the support ring 1 is attached to the surface of the machine tool by using bolts inserted through the attachment holes 701, and the base 7 provides a supporting force to the support ring 1.

In an alternative embodiment, the material guiding plate 6 is disposed obliquely, and the material guiding plate 6 is located at one side of the base 7.

It should be noted that, when a workpiece is processed, the generated scraps fall on the surface of the material guide plate 6 and directionally slide along the material guide plate 6, so that the scraps are not easy to accumulate at the bolt position of the base 7, and the disassembly and the maintenance are convenient.

In an alternative embodiment, a rubber pad 10 is adhered to the front position of the base 7.

It should be noted that the rubber pad 10 cushions and protects the material guiding plate 6 when the material guiding plate 6 is rotated relative to the supporting ring 1.

In an alternative embodiment, the two side walls of the material guide plate 6 are fixedly connected with handles 601.

It should be noted that when the bolt on the surface of the base 7 needs to be detached, the handle 601 lifts the material guiding plate 6, and rotates around the hinge 9, so that the material guiding plate 6 is magnetically attracted and fixed on the surface of the magnetic block 8 of the support ring 1, and the bolt can be detached.

In the utility model, when the sleeve 5 is installed relative to the positioning column 4, the opening end of the sleeve 5 is aligned with the end face position of the positioning column 4, the sleeve 5 is pushed to realize splicing and fixing, the opening end of the sleeve 5 is attached to the surface of the limiting ring 401, the backing plate 501 is attached to the end face position of the positioning column 4, when a workpiece is clamped, the backing plate 501 on the surface of the sleeve 5 is directly contacted with the outer surface of the workpiece, when the workpiece is abraded, the sleeve 5 is replaced, the replacement is convenient, and the clamping stability is improved; when the inserting depth of the positioning column 4 needs to be adjusted, the adjusting hand wheel 3 is screwed relative to the guide cylinder 2, and under the thrust action of the adjusting hand wheel 3, the positioning column 4 slides directionally relative to the guide cylinder 2 to clamp and fix a workpiece; using bolts to penetrate through the assembling holes 701, installing a base 7 at the bottom end of the support ring 1 on the surface of the machine tool, and providing a supporting force for the support ring 1 by the base 7; when the bolts on the surface of the base 7 need to be disassembled, the guide plate 6 is lifted by the handle 601 and rotates by taking the hinge 9 as an axis, the guide plate 6 is fixed on the surface of the magnetic block 8 of the support ring 1 in a magnetic attraction manner, and then the bolts can be disassembled.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a four-axis numerical control gear hobbing machine centre frame, includes support ring (1), guide cylinder (2) and base (7), base (7) fixed connection is in support ring (1) bottom position, guide cylinder (2) circumference equipartition just is fixed connection at support ring (1) surface, its characterized in that, the open end of guide cylinder (2) slides and pegs graft reference column (4), grafting end plug connecting sleeve (5) of reference column (4), sleeve (5) terminal surface position fixed connection backing plate (501), sleeve (5) lateral wall spiral grafting screw thread post (502), support ring (1) lateral wall is close to the bottom position and passes through hinge (9) swing joint stock guide (6), support ring (1) openly position symmetry installation magnetic path (8).

2. The center frame of the four-axis numerical control gear hobbing machine as claimed in claim 1, wherein an adjusting hand wheel (3) is spirally inserted at the top end of the guide cylinder (2), and the insertion end of the adjusting hand wheel (3) is attached to the end face of the positioning column (4).

3. The center frame of the four-axis numerical control gear hobbing machine according to claim 1, wherein a limit ring (401) is sleeved outside the positioning column (4) and is fixedly connected with the positioning column, and the limit ring (401) is located on one side of the sleeve (5).

4. The center frame of the four-axis numerical control gear hobbing machine according to claim 1, wherein the threaded column (502) is perpendicular to the sleeve (5), and the insertion end of the threaded column (502) extends to the surface of the positioning column (4).

5. The center frame of a four-axis numerical control gear hobbing machine according to claim 1, characterized in that the surface of the base (7) is provided with a mounting hole (701).

6. The center frame of a four-axis numerical control gear hobbing machine according to claim 1, wherein the material guide plate (6) is arranged obliquely, and the material guide plate (6) is located on one side of the base (7).

7. The center frame of a four-axis numerical control gear hobbing machine according to claim 1, characterized in that a rubber pad (10) is bonded to the front face of the base (7).

8. The center frame of the four-axis numerical control gear hobbing machine according to claim 1, wherein handles (601) are fixedly connected to two side walls of the material guide plate (6).