CN219725802U - Automatic driving device for gear shaft workpiece cylindrical grinding - Google Patents

Abstract

The utility model provides an automatic drive device for gear shaft work piece cylindrical grinding belongs to lathe technical field. The rotary shaft driving device comprises a machine tool headstock driving plate, a workpiece driving plate and a connecting sleeve, wherein the rear end of the connecting sleeve is fixedly connected with the front end of the machine tool headstock driving plate coaxially, the workpiece driving plate is coaxially sleeved in an inner hole in the front of the connecting sleeve, rotation limiting is realized between the workpiece driving plate and the connecting sleeve through a driving pin, the workpiece driving plate can axially slide in the inner hole in the front of the connecting sleeve, a plurality of groups of elastic guide mechanisms are uniformly distributed on the circumference of the rear part of the connecting sleeve, the front end of the elastic guide mechanism is propped against the rear end face of the workpiece driving plate, the center of the workpiece driving plate is provided with an inner hole, and a plurality of inner teeth which are used for corresponding to tooth grooves on a gear shaft workpiece are uniformly distributed on the inner circle face in the front of the inner hole. According to the utility model, the workpiece driving disc is connected to the headstock through the connecting sleeve, so that the automatic driving of the rotation action of the gear shaft workpiece on the outer circle grinding machine is realized, and the clamping and processing of the gear shaft workpiece on the outer circle grinding machine are ensured.

Description

Automatic driving device for gear shaft workpiece cylindrical grinding

Technical Field

The utility model belongs to the technical field of machine tools, and particularly relates to an automatic driving device for grinding excircle of a gear shaft workpiece.

Background

The structure of the gear shaft workpiece 1 is shown in fig. 4, and the workpiece is a typical part on a speed reducer, and the excircle and the end face of the workpiece need to be ground by adopting a excircle grinder grinding wheel 2 on an excircle grinder. When the gear shaft workpiece 1 is automatically machined on line by adopting a robot on the cylindrical grinding machine, the rotation action of the workpiece needs to realize automatic driving, and the heart-shaped chuck on the conventional common cylindrical grinding machine cannot clamp the gear shaft workpiece, so that an automatic driving device special for cylindrical grinding of the gear shaft workpiece needs to be designed, and the clamping and machining of the gear shaft workpiece on the cylindrical grinding machine are ensured.

Disclosure of Invention

The utility model solves the technical problems that: the utility model provides an automatic driving device for grinding the outer circle of a gear shaft workpiece, and aims to design an automatic driving device special for grinding the outer circle of the gear shaft workpiece, so as to ensure the clamping and processing of the gear shaft workpiece on an outer circle grinding machine.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the automatic driving device for the cylindrical grinding of the gear shaft workpiece comprises a machine tool headstock driving plate arranged on a cylindrical grinder headstock, and further comprises a workpiece driving plate and a connecting sleeve, wherein the rear end of the connecting sleeve is fixedly connected with the front end of the machine tool headstock driving plate in a coaxial mode, the workpiece driving plate is coaxially sleeved in an inner hole at the front part of the connecting sleeve, rotation limiting is achieved between the workpiece driving plate and the connecting sleeve through a driving pin, the workpiece driving plate can axially slide in the inner hole at the front part of the connecting sleeve, a plurality of groups of elastic guide mechanisms are uniformly distributed on the circumference of the rear part of the connecting sleeve, the front end of each elastic guide mechanism is propped against the rear end face of the workpiece driving plate, an inner hole for stretching out of a tip on the headstock is formed in the center of the workpiece driving plate, and a plurality of inner teeth corresponding to tooth grooves on the gear shaft workpiece are uniformly distributed on the inner circle surface at the front part of the inner hole.

To the further limitation of above-mentioned scheme, elasticity guiding mechanism circumference equipartition is equipped with three groups, every group elasticity guiding mechanism includes spring and guide bar, the adapter sleeve rear end corresponds the department and is equipped with the direction through-hole, lathe headstock driver plate front end and direction through-hole position correspondence department coaxial be equipped with the direction blind hole, the spring housing is in whole inserting direction through-hole and direction blind hole behind the guide bar, the direction through-hole front end is equipped with and is used for carrying out spacing hole shoulder to the guide bar, the guide bar middle part is equipped with and is used for combining spacing and be used for the spacing shaft shoulder of spring with hole shoulder.

Further limiting the scheme, the connecting sleeve is provided with a pin hole for installing a driving pin, and the outer circumferential surface of the workpiece driving disc is provided with a pin shaft limiting chute which is in sliding fit with the driving pin.

Further limiting the scheme, three internal teeth are uniformly distributed on the circumference of the front end of the inner hole of the workpiece driving disc.

Further limiting the scheme, the rear end of the connecting sleeve is fixedly connected with the front end of the machine tool headstock driving plate through a plurality of screws uniformly distributed on the circumference.

Compared with the prior art, the utility model has the advantages that:

according to the scheme, the headstock of the cylindrical grinding machine is improved, the workpiece driving disc is connected to the headstock through the connecting sleeve, the machine tool headstock driving disc rotates to drive the connecting sleeve to rotate, the workpiece driving disc is driven to rotate through the driving pin, after the gear shaft workpiece and the workpiece driving disc rotate relatively, the spring pushes the workpiece driving disc to move rightwards, internal teeth on the workpiece driving disc enter tooth grooves of the workpiece to drive the gear shaft workpiece to automatically rotate, so that automatic driving of rotation action of the gear shaft workpiece on the cylindrical grinding machine is realized, and clamping and machining of the gear shaft workpiece on the cylindrical grinding machine are guaranteed.

Drawings

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

FIG. 2 is a front view of the construction of a workpiece drive disk of the present utility model;

FIG. 3 is a schematic view showing the internal structure of a workpiece drive disk according to the present utility model;

FIG. 4 is a schematic view of the structure of a gear shaft workpiece according to the present utility model;

fig. 5 is a schematic view of the grinding wheel for grinding a gear shaft workpiece according to the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Referring to fig. 1-5, embodiments of the present utility model are described in detail.

Examples: the automatic driving device for gear shaft workpiece cylindrical grinding is shown in fig. 1, and comprises a machine tool headstock driving plate 5 arranged on a cylindrical grinder headstock, a workpiece driving plate 3 and a connecting sleeve 8, wherein the rear end of the connecting sleeve 8 is fixedly connected with the front end of the machine tool headstock driving plate 5 through a plurality of screws 4 uniformly distributed on the circumference.

In this embodiment, the workpiece driving disc 3 is coaxially sleeved in the inner hole at the front part of the connecting sleeve 8, rotation limitation is achieved between the workpiece driving disc 3 and the connecting sleeve 8 through the driving pin 9, and the workpiece driving disc 3 can slide left and right along the axial direction in the inner hole at the front part of the connecting sleeve 8. Specifically, a pin hole 8-1 for installing a driving pin 9 is formed in the connecting sleeve 8, and a pin shaft limiting chute 3-3 for sliding fit with the driving pin 9 is formed in the outer circumferential surface of the workpiece driving disc 3.

In this embodiment, a plurality of groups of elastic guiding mechanisms are uniformly distributed on the circumference of the rear portion of the connecting sleeve 8, and the front ends of the elastic guiding mechanisms are propped against the rear end face of the workpiece driving disc 3, so that the workpiece driving disc 3 is uniformly positioned at the right end position.

In an embodiment, referring to fig. 1, three groups of elastic guiding mechanisms are uniformly distributed on the circumference of the elastic guiding mechanism, each group of elastic guiding mechanism comprises a spring 6 and a guiding rod 7, a guiding through hole 8-2 is formed in the corresponding position of the rear end of the connecting sleeve 8, a guiding blind hole 5-1 is coaxially formed in the corresponding position of the front end of the machine tool headstock driving plate 5 and the guiding through hole 8-2, the spring 6 is sleeved on the guiding rod 7 and then integrally inserted into the guiding through hole 8-2 and the guiding blind hole 5-1, an inner hole shoulder used for limiting the guiding rod 7 is arranged at the front end of the guiding through hole 8-2, and a shaft shoulder used for limiting the guiding rod 7 and used for limiting the spring 6 is arranged in the middle of the guiding rod 7.

In an embodiment, as shown in fig. 2 and 3, an inner hole 3-1 for extending a tip on a headstock is arranged in the center of the workpiece driving disc 3, a plurality of inner teeth 3-2 for corresponding to tooth grooves on the gear shaft workpiece 1 are uniformly distributed on the inner circle surface at the front part of the inner hole 3-1, and a certain gap is reserved. Preferably, three internal teeth 3-2 are uniformly distributed on the circumference of the front end of the inner hole 3-1 of the workpiece driving disc 3.

Working principle: when the manipulator or the robot automatically moves up, the gear shaft workpiece 1 is placed between the headstock and the tailstock center, the tailstock automatically jacks up the workpiece, at the moment, the workpiece driving disc 3 is in contact with the end face of the gear shaft workpiece 1, the gear shaft workpiece 1 presses the workpiece driving disc 3 to the left side, the manipulator or the robot leaves the machine tool, the headstock driving disc 5 of the machine tool rotates to drive the connecting sleeve 8 to rotate, the workpiece driving disc 3 is driven to rotate by the driving pin 9, after the gear shaft workpiece 1 and the workpiece driving disc 3 relatively rotate, the spring 6 elastically pushes the workpiece driving disc 3 to move rightwards, internal teeth 3-2 on the workpiece driving disc 3 enter tooth grooves of the gear shaft workpiece 1 to drive the gear shaft workpiece 1 to automatically rotate, and therefore automatic driving of rotation motion of the gear shaft workpiece on the outer circle grinding machine is achieved, and clamping and machining of the gear shaft workpiece on the outer circle grinding machine are guaranteed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (5)

1. Automatic driving device for gear shaft workpiece cylindrical grinding, including locating lathe headstock driver plate (5) on the cylindrical grinder headstock, its characterized in that: still include work piece driving disk (3) and adapter sleeve (8), coaxial fixed connection of adapter sleeve (8) rear end and lathe headstock driver plate (5) front end, work piece driving disk (3) coaxial sleeve is in adapter sleeve (8) front portion hole, it is spacing to realize rotating through driving pin (9) between work piece driving disk (3) and adapter sleeve (8), work piece driving disk (3) can follow the axial slip in adapter sleeve (8) front portion hole, adapter sleeve (8) rear portion circumference equipartition is equipped with multiunit elastic guide mechanism, elastic guide mechanism front end top is on the rear end face of work piece driving disk (3), work piece driving disk (3) center is equipped with hole (3-1) that are used for the top to stretch out on the headstock, equipartition has a plurality of internal teeth (3-2) that are used for corresponding with tooth groove on gear shaft work piece (1) on the front portion internal circle face.

2. The automatic driving device for external grinding of a gear shaft workpiece according to claim 1, wherein: the elastic guide mechanism circumference equipartition is equipped with three groups, every group elastic guide mechanism includes spring (6) and guide bar (7), adapter sleeve (8) rear end corresponds department and is equipped with direction through-hole (8-2), lathe headstock driver plate (5) front end and direction through-hole (8-2) position correspondence department coaxial be equipped with direction blind hole (5-1), in whole insert direction through-hole (8-2) and direction blind hole (5-1) behind spring (6) cover on guide bar (7), direction through-hole (8-2) front end is equipped with and is used for carrying out spacing hole shoulder to guide bar (7), guide bar (7) middle part is equipped with and is used for combining spacing and be used for the spacing shaft shoulder of spring (6) with hole shoulder.

3. The automatic driving device for external grinding of a gear shaft workpiece according to claim 1, wherein: the connecting sleeve (8) is provided with a pin hole (8-1) for installing a driving pin (9), and the outer circumferential surface of the workpiece driving disc (3) is provided with a pin shaft limiting chute (3-3) which is used for being matched with the driving pin (9) in a sliding manner.

4. The automatic driving device for external grinding of a gear shaft workpiece according to claim 1, wherein: three internal teeth (3-2) are uniformly distributed on the circumference of the front end of the inner hole (3-1) of the workpiece driving disc (3).

5. The automatic driving device for external grinding of a gear shaft workpiece according to claim 1, wherein: the rear end of the connecting sleeve (8) is fixedly connected with the front end of the machine tool headstock driving plate (5) through a plurality of screws (4) uniformly distributed on the circumference.