CN217453339U

CN217453339U - Self-adaptive motor follow-up grinding equipment

Info

Publication number: CN217453339U
Application number: CN202123408814.3U
Authority: CN
Inventors: 朱更红; 邓美军; 宋金波
Original assignee: Changsha Yipai Direct Drive Technology Co ltd
Current assignee: Changsha Yipai Direct Drive Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-09-20
Anticipated expiration: 2031-12-30

Abstract

The utility model provides a self-adaptation motor follow-up grinding equipment, include: the machine tool machining device comprises a workpiece rotating mechanism and a grinding mechanism, wherein the workpiece rotating mechanism comprises a rotatable automatic chuck and a circular grating, the automatic chuck is used for a workpiece to be machined, the circular grating and the automatic chuck rotate synchronously and detect the eccentric angle of the workpiece, the grinding mechanism comprises a linear motor, and a grinding wheel used for grinding the workpiece is arranged at the movable end of the linear motor; the optical detection device is arranged right opposite to the automatic chuck to observe the state of a workpiece, the central processing device is connected with the signal processing device and the optical detection device, the linear motor can reciprocate on a straight line to polish the clamped workpiece, the optical detection device is used for initially observing the cross section of the workpiece and observing the workpiece in real time in the processing process, and the observation result is fed back to the linear motor through a signal, so that the linear motor can process the workpiece by combining the shape of raw materials according to the processing requirement.

Description

Self-adaptive motor follow-up grinding equipment

Technical Field

The utility model relates to a grinding equipment, in particular to self-adaptation motor follow-up grinding equipment.

Background

In the production process, parts need to be ground in different shapes so as to meet different production and processing requirements. For example, in a rod-shaped material with a ground outer circle and a drilled central hole, because the outer circle is not concentric with the central hole, the outer circle needs to be ground into a rod material concentric with the inner hole, or because the inner circle needs to be ground into a rod material concentric with the outer circle, because the eccentric angle of each rod material is different, the current solution is that each workpiece is manually aligned in angle, and is manually ground, so that the efficiency is very low, and the rejection rate is very high.

In addition, cam profiling is mostly adopted for processing the irregular section materials, however, the eccentric amount of the outer circle of each workpiece and the eccentric amount of the center of the inner hole are not completely the same, and the grinding processing of the workpieces cannot be completed in a fixed cam profiling mode.

SUMMERY OF THE UTILITY MODEL

The utility model provides a self-adaptation motor follow-up grinding equipment, the problem that its purpose exists in order to solve prior art.

In order to achieve the above object, an embodiment of the present invention provides an adaptive motor follow-up grinding apparatus, including:

a machine tool provided with a working surface;

the processing device comprises a workpiece rotating mechanism and a grinding mechanism, wherein the workpiece rotating mechanism comprises a rotatable automatic chuck and a circular grating, the automatic chuck is used for a workpiece to be processed, the circular grating and the automatic chuck synchronously rotate and detect the eccentric angle of the workpiece, the grinding mechanism comprises a linear motor, and a movable end of the linear motor is provided with a grinding wheel for grinding the excircle or the inner hole of the workpiece;

an optical detection device arranged opposite to the automatic chuck to observe the state of the workpiece,

and the central processing device is in signal connection with the processing device and the optical detection device.

Preferably, the self-adaptive motor follow-up grinding equipment further comprises a fixed table arranged on the working surface, a rotating table is arranged on the fixed table in a rotating mode, the workpiece rotating mechanism is arranged on the fixed table, and the grinding mechanism is arranged on the rotating table.

Preferably, the workpiece rotating mechanism comprises a longitudinal moving mechanism, a spindle mounting seat is arranged on the longitudinal moving mechanism, the automatic chuck is arranged on the spindle mounting seat, and the circular grating is arranged on the automatic chuck.

Preferably, a first rotating motor is further arranged on the longitudinal moving mechanism, and the first rotating motor drives the automatic chuck to rotate.

Preferably, the linear motor is arranged on the rotating table, a second rotating motor is arranged at the movable end of the linear motor, and the second rotating motor drives the grinding wheel to rotate.

Preferably, the optical detection device sets up on the fixed station, the optical detection device includes CCD camera and triaxial mobile structure, triaxial mobile structure sets up on the fixed station, the CCD camera sets up on the triaxial mobile structure, triaxial mobile structure drives the CCD camera and removes.

Preferably, the upper surface of fixed station is provided with first arc groove and second arc groove, first arc groove with the second arc groove sets up with one heart, be provided with the retaining member on the revolving stage, the retaining member passes the revolving stage locking is in first arc groove and/or second arc inslot.

Preferably, the fixed platform is further provided with a curved surface, the curved surface is concentric with the first arc groove, the radius of the curved surface is larger than that of the first arc groove, scales are pasted on the curved surface, a pointer is arranged on the rotating platform and points to the scales

The above technical scheme of the utility model has following beneficial effect:

in this application grinding mechanism adopts linear electric motor, utilizes linear electric motor can carry out reciprocating motion's characteristics on the straight line, grinds the work piece by the centre gripping, through optical detection device, carries out initial observation and observes in real time at the course of working to the cross section of work piece to give linear electric motor with observation result passing signal feedback, realize that the linear electric motor needle combines the shape of raw and other materials to process the work piece according to the processing requirement.

Drawings

Fig. 1 is a first perspective view of the present invention;

FIG. 2 is an enlarged schematic view of portion M of FIG. 1;

fig. 3 is a schematic view of a stationary stage.

The device comprises a working surface 1, a workpiece 2, a workpiece rotating mechanism 3, a grinding mechanism 21, an automatic chuck 22, a circular grating 23, a longitudinal moving mechanism 24, a main shaft mounting seat 25, a first rotating motor 31, a linear motor 32, a grinding wheel 33, a second rotating motor 4, an optical detection device 11, a fixed table 12, a rotating table 12, a CCD camera 41, a three-axis moving structure 42, a first arc groove 111, a second arc groove 112, a locking piece 113 and a curved surface 114.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-3, the embodiment of the utility model provides an adaptive motor follow-up grinding equipment, including the lathe, the lathe is provided with working face 1, manipulator for the material loading. A processing device is arranged on the working surface 1, and the processing device comprises a workpiece rotating mechanism 2 and a grinding mechanism 3, wherein the workpiece rotating mechanism 2 comprises a rotating automatic chuck 21 and a circular grating 22. The automatic chuck 21 is used for clamping a workpiece grabbed by the manipulator, the circular grating 22 and the automatic chuck 21 synchronously rotate and detect the eccentric angle of the workpiece, the grinding mechanism 3 comprises a linear motor 31, and a grinding wheel 32 for grinding the workpiece is arranged at the movable end of the linear motor 31. The working surface 1 is also provided with an optical detection device 4, and the optical detection device 4 is just opposite to the chuck to observe the state of the cross section of the clamped workpiece. And the central processing device is in signal connection with the mechanical arm, the processing device and the optical detection device 4, so that automatic control is realized.

Specifically, the work surface 1 is further provided with a fixed table 11, the fixed table 11 is rotatably provided with a rotating table 12, the workpiece rotating mechanism 2 is provided on the fixed table 11, and the grinding mechanism 3 is provided on the rotating table 12. Preferably, a first arc groove 111 and a second arc groove 112 are arranged on the fixed table 11, wherein the first arc groove 111 and the second arc groove 112 are concentrically arranged, and the rotating table 12 rotates with the center of the first arc groove 111 as the rotation center. A locking piece 113 is arranged on the rotating table 12, and the locking piece 113 penetrates through the rotating table 12 and is locked on the fixed table 11, so that the rotating table 12 and the fixed table 11 are prevented from moving in the working process. The fixed table 11 is further provided with a curved surface 114, the curved surface 114 is concentric with the first arc groove 111, the radius of the curved surface 114 is larger than that of the first arc groove 111, scales are pasted on the curved surface 114, and the rotating table 12 is provided with a pointer, wherein the pointer points to the scales to display the rotating angle of the rotating table.

Further, the workpiece rotating mechanism 2 includes a longitudinal moving mechanism 23, a spindle mounting seat 24 is arranged on the longitudinal moving mechanism 23, the spindle mounting seat 24 is provided with the automatic chuck 21, the automatic chuck 21 may be an existing product, the existing product should have automatic clamping and rotating functions, and a product disclosed in CN201721883391.1 may also be used. In the embodiment, the automatic chuck 21 disclosed in the above patent is used, the circular grating 22 is disposed on the main shaft of the automatic chuck 21, and the circular grating 22 and the automatic chuck 21 rotate synchronously to confirm that the optical detection device 4 measures the eccentric angle of the workpiece.

The longitudinal moving mechanism 23 is further provided with a first rotating motor 25, and the first rotating motor 25 drives the automatic chuck 21 to rotate.

Further, a linear motor 31 is provided on the turn table 12, and a second rotating motor 33 is provided at a movable end of the linear motor 31. The grinding wheel 32 is disposed on a second rotating electric machine 33, and the second rotating electric machine 33 drives the grinding wheel 32 to rotate, and preferably, the first rotating electric machine 25 and the second rotating electric machine 33 are DDR motors.

The optical detection device 4 is disposed on the fixing table 11, the optical detection device 4 includes a CCD camera 41 and a three-axis moving structure 42, the three-axis moving structure 42 drives the CCD camera 41 to move to adjust an observation range of the CCD camera 41, in this embodiment, the three-axis moving structure 42 is only illustrated, and does not represent a specific structure thereof.

The central processing unit is a programmable logic controller, and in the present application, a PLC is used as a center for data processing, receiving and transmitting signals. The central processing unit is connected with the first rotating motor 25, the automatic chuck 21, the second rotating motor 33 and the CCD camera 41 through signals.

In the application, a mechanical arm takes a workpiece out of a feeding structure, the workpiece is subjected to pre-punching treatment, the center of a hole is eccentric with the outer circle of the workpiece due to the shape of the workpiece, the workpiece is moved to a workpiece rotating mechanism 2, an automatic chuck 21 clamps the workpiece, the cross section of the workpiece is observed through an optical detection device 4, a circular grating 22 is used for detecting the eccentric angle between the center hole of the workpiece and the center shaft of the automatic chuck 21 and transmitting an observation result to a central processing device, the central processing device carries out linear reciprocating action according to the position of the circular grating 22 under the instruction of the central processing device when the automatic chuck 21 rotates, and then the contact state of a grinding wheel 32 on the linear motor 31 and the workpiece is driven to move towards the optical detection device 4 along with the longitudinal moving mechanism 23, and finally, grinding the eccentric workpiece with the center hole not concentric with the center of the workpiece into a cylindrical workpiece with the center of the workpiece hole concentric with the center of the excircle of the workpiece. It should be mentioned that, during the machining process, the optical detection device 4 observes the cross section of the workpiece in real time to achieve the purpose of timely adjusting the linear motor 31. In addition, it should be noted that the center of the outer circle is not the center of a circle, for example, an elliptic cylindrical workpiece is machined, and the center of the outer circle is the midpoint of two connecting lines of the centers of the ellipses.

In the application, the rotating table 12 and the fixed table 11 can be arranged by manually adjusting the angle of the linear motor 31, so that the conical workpiece can be machined.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. An adaptive motor follow-up grinding apparatus, comprising:

a machine tool provided with a working surface (1);

the machining device comprises a workpiece rotating mechanism (2) and a grinding mechanism (3), wherein the workpiece rotating mechanism (2) comprises a rotatable automatic chuck (21) and a circular grating (22), the automatic chuck (21) is used for a workpiece to be machined, the circular grating (22) and the automatic chuck (21) synchronously rotate and detect the eccentric angle of the workpiece, the grinding mechanism (3) comprises a linear motor (31), and a grinding wheel (32) used for grinding the excircle or the inner hole of the workpiece is arranged at the movable end of the linear motor (31);

an optical detection device (4) arranged opposite to the automatic chuck (21) to observe the state of the workpiece,

and the central processing device is in signal connection with the processing device and the optical detection device (4).

2. The adaptive motor-driven grinding apparatus according to claim 1, wherein: self-adaptation motor follow-up grinding equipment is still including setting up fixed station (11) on working face (1), it is provided with swivel mount (12) to rotate on fixed station (11), work piece rotary mechanism (2) set up on fixed station (11), grinding mechanism (3) set up on swivel mount (12).

3. The adaptive motor-driven grinding apparatus according to claim 1, wherein: the workpiece rotating mechanism (2) comprises a longitudinal moving mechanism (23), a spindle mounting seat (24) is arranged on the longitudinal moving mechanism (23), the automatic chuck (21) is arranged on the spindle mounting seat (24), and the circular grating (22) is arranged on the automatic chuck (21).

4. The adaptive motor follow-up grinding apparatus according to claim 3, characterized in that: the longitudinal moving mechanism (23) is further provided with a first rotating motor (25), and the first rotating motor (25) drives the automatic chuck (21) to rotate.

5. The adaptive motor follow-up grinding apparatus according to claim 2, characterized in that: the linear motor (31) is arranged on the rotating table (12), a second rotating motor (33) is arranged at the movable end of the linear motor (31), and the second rotating motor (33) drives the grinding wheel (32) to rotate.

6. The adaptive motor follow-up grinding apparatus according to claim 5, characterized in that: optical detection device (4) set up on fixed station (11), optical detection device (4) include CCD camera (41) and triaxial moving structure (42), triaxial moving structure (42) set up on fixed station (11), CCD camera (41) set up on triaxial moving structure (42), triaxial moving structure (42) drive CCD camera (41) and remove.

7. The adaptive motor follow-up grinding apparatus according to claim 2, characterized in that: the upper surface of fixed station (11) is provided with first arc groove (111) and second arc groove (112), first arc groove (111) with second arc groove (112) set up with one heart, be provided with retaining member (113) on the platform (12) rotates, retaining member (113) pass it locks in first arc groove (111) and/or second arc groove (112) to rotate platform (12).

8. The adaptive motor follow-up grinding apparatus according to claim 7, characterized in that: the fixed station (11) is further provided with a curved surface (114), the curved surface (114) is concentric with the first arc groove (111), the radius of the curved surface (114) is larger than that of the first arc groove (111), scales are pasted on the curved surface (114), a pointer is arranged on the rotating station (12), and the pointer points to the scales.