CN214293003U

CN214293003U - Flexible placing table based on servo accurate positioning

Info

Publication number: CN214293003U
Application number: CN202023100490.2U
Authority: CN
Inventors: 申传有; 杨国庆; 王佃光
Original assignee: MH Robot and Automation Co Ltd
Current assignee: MH Robot and Automation Co Ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-09-28
Anticipated expiration: 2030-12-18

Abstract

The utility model discloses a flexible placing table based on servo accurate positioning, which belongs to the technical field of automobile manufacturing, solves the problems of single model and specification of a production placing part, accurately places a vehicle body and parts thereof which are flexible and compatible with multiple models and multiple specifications, has strong adaptability and short cycle of the newly-invested vehicle type transformation process, can be quickly put into use to meet the production requirements, and comprises a base station base and a servo driving shaft, wherein the base station base is provided with an inclined plane inclined to the bottom surface of the base station base; the servo driving shaft comprises a plurality of servo driving shafts, and each servo driving shaft comprises at least one linear motion unit; a rectangular coordinate system is established by taking the base inclined plane of the base as an X-Y plane, and the linear motion units are arranged along the X direction and/or the Y direction and/or the Z direction of the base inclined plane of the base.

Description

Flexible placing table based on servo accurate positioning

Technical Field

The utility model belongs to the technical field of the automobile manufacturing, concretely relates to platform is put to flexibility based on servo accurate positioning.

Background

The statements herein merely provide background related to the present disclosure and may not necessarily constitute prior art. With the rapid development of modern automobile intelligent manufacturing technology, in the production or assembly process, the transfer platforms, the temporary placing platforms, the transfer platforms, the rotary platforms and other placing platforms with different functions of the automobile body and parts thereof are applied to different occasions and positions in various production and manufacturing factories. The inventor finds that although the placing tables meet the instant production and manufacturing functions, the placing tables are single in production and placing part models and specifications, poor in universality and difficult in expandability and reconstruction.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art existence, the utility model aims at providing a platform is put to flexibility based on servo accurate positioning, has solved the production and has placed part model and the single problem of specification, and the automobile body and the spare part accuracy of flexible compatible polytypic, many specifications are placed. And the adaptability is improved strongly, the cycle of the newly-input vehicle type improvement process is short, and the vehicle type can be quickly put into use to meet the production requirement.

In order to achieve the above purpose, the present invention is realized by the following technical solution:

the technical scheme of the utility model provides a flexible placing table based on servo accurate positioning, which comprises a base station base and a servo driving shaft, wherein the base station base is provided with an inclined plane inclined to the bottom surface of the base station base, and the servo driving shaft is arranged on the inclined plane of the base station base; the servo driving shaft comprises a plurality of servo driving shafts, each servo driving shaft comprises at least one linear motion unit, and the linear motion units are arranged along the X direction and/or the Y direction and/or the Z direction of the inclined surface of the base seat of the base platform.

The utility model discloses when using, control servo drive shaft is in base station base inclined plane X direction and/or Y direction and/or Z direction motion, and automobile body and the spare part accuracy that can compatible polytypic, many specifications are placed.

Above-mentioned the utility model discloses a technical scheme's beneficial effect as follows:

1) the utility model discloses based on servo accurate positioning, the automobile body and the spare part accuracy of compatible polytypic, many specifications are placed, simple structure, and convenient operation through simple and easy demonstration debugging, can let the work piece of model specification take notes the database fast in, save the debugging flow to satisfy the demand of quick input production, but wide application in each production, manufacturing industry.

2) The utility model discloses in, use current servo electric jar and linear guide, the lug connection controller can control, need not to carry out too much adaptation work.

3) The utility model discloses in, arrange the linear motion unit at X direction linear motion along the X direction, arrange the linear motion unit at Y direction linear motion along the Y direction, arrange the linear motion unit at Z direction linear motion along the Z direction, the linear motion unit of different direction motions distributes in the different positions on the inclined plane simultaneously, is favorable to avoiding it to appear interfering mutually.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.

Figure 1 is a schematic perspective view of the present invention according to one or more embodiments,

fig. 2 is a schematic diagram of a standard PLC control cabinet according to one or more embodiments of the present invention.

Figure 3 is a schematic front view of the present invention according to one or more embodiments,

figure 4 is a schematic side view of the present invention according to one or more embodiments,

figure 5 is a schematic top view of the present invention according to one or more embodiments,

fig. 6 is a schematic view of a table base according to one or more embodiments of the present invention.

In the figure: 1. the system comprises a table base, 2, a standard PLC control cabinet, 3, a mobile human-computer interface, 4, a first servo driving shaft, 5, a second servo driving shaft, 6, a third servo driving shaft, 7, a fourth servo driving shaft, 8, a fifth servo driving shaft, 9, a sixth servo driving shaft, 10, a servo driving motor, 11, a lead screw, 12, a linear guide rail, 81, a first linear guide rail, 91, a second linear guide rail, 100 and a servo electric cylinder.

The spacing or dimensions between each other are exaggerated to show the location of the various parts, and the illustration is for illustrative purposes only.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, unless the invention expressly state otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;

for convenience of description, the words "upper", "lower", "left" and "right" in the present invention, if any, merely indicate that the directions of movement of the device or element are consistent with those of the drawings, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, rather than indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Term interpretation section: the terms "mounted," "connected," "fixed," and the like in the present invention are to be understood in a broad sense, for example, they may be fixedly connected, detachably connected, or integrated; the two components can be connected mechanically or electrically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Just as the background art introduces, to the not enough that prior art exists, the utility model aims at providing a platform is put to flexibility based on servo accurate positioning, has solved the production and has placed the single problem of part model and specification, and the automobile body of flexible compatible polytypic, many specifications and spare part are placed to the accuracy. And the adaptability is improved strongly, the cycle of the newly-input vehicle type improvement process is short, and the vehicle type can be quickly put into use to meet the production requirement.

Example 1

The utility model discloses an among the typical implementation, this embodiment discloses a flexible platform of putting based on servo accurate positioning, including putting platform base 1, first servo drive shaft 4, second servo drive shaft 5, third servo drive shaft 6, fourth servo drive shaft 7, fifth servo drive shaft 8, sixth servo drive shaft 9, it has the inclined plane to put platform base 1, first servo drive shaft 4, second servo drive shaft 5, third servo drive shaft 6, fourth servo drive shaft 7, fifth servo drive shaft 8, sixth servo drive shaft 9 all connect in the inclined plane of putting platform base 1, and all put platform base I at the stiff end connection.

The servo drive shaft in this embodiment is a mechanism for adjusting the position using a servo drive motor 10, and the servo drive motor 10, that is, the servo motor, is an engine that controls the operation of mechanical elements in a servo system, and is an indirect speed change device of a supplementary motor, which can make the control speed and position accuracy very accurate, and can convert a voltage signal into a torque and a rotational speed to drive a controlled object. The rotation speed of the rotor of the servo motor is controlled by an input signal and can quickly respond, the servo motor is used as an actuating element in an automatic control system, has the characteristics of small electromechanical time constant, high linearity and the like, and can convert a received electric signal into angular displacement or angular speed on a motor shaft for output. In the embodiment, the first servo driving shaft 4, the second servo driving shaft 5, the third servo driving shaft 6 and the fourth servo driving shaft 7 all use the servo driving motor to drive the screw rod 11, so as to form the servo electric cylinder 100, wherein the servo electric cylinder 100 is a modular product integrally designed by the servo motor and the screw rod, and the speed of the modular product is 0.1-2 m/s. Because of closed-loop servo control, the control accuracy is higher. The hydraulic cylinder has the characteristics of low cost, flexible configuration and the like, is the best substitute of a hydraulic cylinder and a cylinder, and is widely applied to industries such as industry, military, entertainment facilities, automobiles and the like.

The X-axis, Y-axis, and Z-axis orientations in the present embodiment are based on the inclined surface of the table base 1, and the X-axis and Y-axis directions are set on the reference surface, and the Z-axis direction is a direction perpendicular to the reference surface.

More specifically, the first servo drive shaft 4 and the second servo drive shaft 5 in the present embodiment further include a linear motion unit that moves in the Z direction.

In the present embodiment, the linear motion unit of the first servo drive shaft 4 and the second servo drive shaft 5 that moves in the Z direction is a servo electric cylinder.

In yet another embodiment, the linear motion unit of the first and second

servo drive shafts

4 and 5 moving in the Z direction is a hydraulic or pneumatic cylinder.

In this embodiment, each of the fifth servo drive shaft 8 and the sixth servo drive shaft 9 includes a linear guide rail, a servo drive motor, and a servo electric cylinder, the linear guide rail is fixedly mounted on the table base 1, the servo electric cylinder is connected to the linear guide rail, and the servo drive motor is connected to and drives the linear guide rail, so that the servo electric cylinder can move on the linear guide rail.

It is understood that the fifth servo drive shaft 8 is exemplified as having a linear guide rail, and can be connected to the table base 1 through the linear guide rail, and can be moved in the Y direction and the Z direction at the same time with the inclined surface of the table base I as a reference surface.

The linear guide rail in the embodiment uses a mature advanced linear motion unit/system, and is a component frequently used in the field, and the linear guide rail comprises a guide rail and a sliding block which is connected with the guide rail in a sliding manner, the guide rail and the sliding block are connected through a transmission mechanism, and the sliding block can move on the guide rail by driving the guide rail and the sliding block through a driver.

More specifically, the present embodiment uses a ball screw type slide rail as shown in fig. 1.

The arrangement of the table base 1 has two functions: the first mode is that a servo driving motor 10, a servo electric cylinder 11 and a linear guide rail 12 are used for fixing each shaft, and a workpiece is stably placed in the X direction, the Y direction and the Z direction after a first servo driving shaft 4, a second servo driving shaft 5, a third servo driving shaft 6, a fourth servo driving shaft 7, a fifth servo driving shaft 8 and a sixth servo driving shaft 9 are switched; and the other is used for placing the placing table on the ground or a platform to ensure that the placing table is firmly fixed.

The first servo drive shaft 4 and the second servo drive shaft 5 are fixed to both sides of the inclined surface of the table base 1, respectively, and the first servo drive shaft 4 and the second servo drive shaft 5 are movable in the X direction.

The third servo drive shaft 6 and the fourth servo drive shaft 7 are fixed at a first position and a second position, respectively, of the bottom of the inclined surface of the table base 1, and the third servo drive shaft 6 and the fourth servo drive shaft 7 are movable in the Z direction.

The fifth servo drive shaft 8 and the sixth servo drive shaft 9 are fixed at the first position and the second position of the top of the inclined surface of the table base 1, respectively, and the fifth servo drive shaft 8 and the sixth servo drive shaft 9 are movable in the Y direction.

Of course, the first servo drive shaft 4 and the second servo drive shaft 5 are not limited to moving in the X direction but can also move in the Z direction, and the fifth servo drive shaft 8 and the sixth servo drive shaft 9 are not limited to moving in the Z direction but can also move in the Z direction.

It is understood that the stroke of each servo drive shaft is calculated in order to prevent the servo drive shafts from interfering with each other, and the detailed calculation process thereof will not be described herein.

In order to control the first servo drive shaft 4, the second servo drive shaft 5, the third servo drive shaft 6, the fourth servo drive shaft 7, the fifth servo drive shaft 8 and the sixth servo drive shaft 9, the present embodiment further includes a standard PLC control cabinet 2 program, which sets pointer-type mechanical zero points of each servo shaft, and after the debugging test is completed, teaching and debugging can be performed through the mobile human-computer interface 3. The debugging workpiece is placed on the placing table, the servo axis attitude is adjusted in a manual slow and fast mode through a mobile human-computer interface 3, the optimal placing position of the workpiece is taught, and the axial attitude data values of all directions of the workpiece are collected and recorded and are set in the program number of the corresponding workpiece. When workpieces with other specifications and models are newly added, data are taught and recorded according to the new specifications and models.

The automatic production mode switching method comprises the steps that the production modes of the standard PLC control cabinet 2 and the mobile human-computer interface 3 are switched to automatic modes, after automatic starting is completed, data information of workpieces required to be produced is provided according to a logistics system, a PLC program automatically calls program numbers of the corresponding workpieces, the positions and postures of the first servo driving shaft 4, the second servo driving shaft 5, the third servo driving shaft 6, the fourth servo driving shaft 7, the fifth servo driving shaft 8 and the sixth servo driving shaft 9 are correspondingly adjusted, the current workpieces are positioned to be placed, and then positioning switching of current vehicle types is achieved.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The flexible placing table based on servo accurate positioning is characterized by comprising a base station base and a servo driving shaft, wherein the base station base is provided with an inclined plane inclined to the bottom surface of the base station base, and the servo driving shaft is arranged on the inclined plane of the base station base; the servo driving shaft comprises a plurality of servo driving shafts, and each servo driving shaft comprises at least one linear motion unit; a rectangular coordinate system is established by taking the base inclined plane of the base as an X-Y plane, and the linear motion units are arranged along the X direction and/or the Y direction and/or the Z direction of the base inclined plane of the base.

2. The servo fine positioning-based flexible stage according to claim 1, wherein a plurality of said servo drive shafts are respectively installed at both sides, top and bottom of said base, linear motion units of the servo drive shafts installed at both sides of said base are arranged along a base slope X direction, linear motion units of the servo drive shafts installed at top of said base are arranged along a base slope Y direction, and linear motion units of the servo drive shafts installed at bottom of said base are arranged along a base slope Z direction.

3. The servo fine positioning based flexible stage of claim 1, wherein said servo drive shaft comprises a first servo drive shaft and a second servo drive shaft, said first servo drive shaft and said second servo drive shaft being mounted on opposite sides of said base pedestal bevel; the first servo driving shaft and the second servo driving shaft respectively comprise a first linear driving unit and a second linear driving unit which are vertically connected, the first linear driving unit is vertically connected with the inclined surface of the base platform base, and the second linear driving unit is arranged along the X direction of the inclined surface of the base platform base.

4. A servo fine positioning based flexible stage as claimed in claim 3, wherein said second linear drive unit and said first linear drive unit are servo electric cylinders.

5. The servo fine positioning based flexible stage of claim 1, wherein said servo drive shafts comprise a third servo drive shaft and a fourth servo drive shaft, said third servo drive shaft and said fourth servo drive shaft being mounted on a top portion of said stage base bevel; the third servo driving shaft and the fourth servo driving shaft respectively comprise a third linear driving unit and a fourth linear driving unit which are vertically connected, the third linear driving unit is arranged along the Y direction of the base platform base inclined surface, and the third linear driving unit is tightly attached to the base platform base inclined surface.

6. A servo fine positioning based flexible table as claimed in claim 5, wherein said third linear drive unit is a linear guide and said fourth linear drive unit is a servo cylinder.

7. The servo fine positioning based flexible stage of claim 1, wherein said servo drive shafts comprise a fifth servo drive shaft and a sixth servo drive shaft, said fifth servo drive shaft and said sixth servo drive shaft being mounted to a bottom portion of said stage base bevel; and the fifth servo driving shaft and the sixth servo driving shaft respectively comprise a fifth linear driving unit, and the fifth linear driving unit is vertically connected to the inclined plane of the base table base.

8. A servo fine positioning based flexible table as claimed in claim 7, wherein said fifth linear drive unit is a servo cylinder.

9. A servo-based fine positioning flexible table as claimed in claim 1, further comprising a controller, wherein a plurality of said servo drive shafts are each connected to the controller.

10. The servo fine positioning based flexible table of claim 1, wherein said base comprises a plurality of rods connected, the lowest rod is located on the bottom surface of said base, and the rod inclined to the lowest rod is located on the inclined surface of said base.