CN215239269U

CN215239269U - Two-dimensional workbench

Info

Publication number: CN215239269U
Application number: CN202121350848.9U
Authority: CN
Inventors: 蒋召杰; 向金林; 陆宏飞; 邓明才; 周艺; 卢相昆; 陈小刚; 伏海军; 覃燕珍; 莫小军; 姚源星
Original assignee: Guangxi Electromechanical Technician College
Current assignee: Guangxi Electromechanical Technician College; Guangxi Technological College of Machinery and Electricity
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2021-12-21
Anticipated expiration: 2031-06-17

Abstract

The utility model relates to a two-dimensional workbench, include: the main control module and the two layers of driving mechanisms with orthogonal motion directions; two-layer actuating mechanism all includes: the sliding rail is arranged on the supporting plate, the sliding block and the sliding rail are matched and slidably connected, and the supporting plate of the first layer is fixed on the driving module and the sliding block of the second layer; an operation table is fixed on the driving module and the sliding block of the first layer; the two driving modules are respectively in transmission connection with corresponding stepping motors and respectively drive the corresponding sliding blocks to move under the driving of the stepping motors; the two stepping motors are respectively connected with the main control module, and the main control module is used for motion adjustment of the stepping motors. The utility model has the advantages that: the X-axis and the Y-axis respectively move, the main control unit drives and controls the stepping motor to be matched with the stepping motor to move in the X-axis and the Y-axis, and the movement of any track is realized, so that the double motors are respectively controlled, the rigidity of the structure is enhanced, and the operation precision is more accurate.

Description

Two-dimensional workbench

Technical Field

The utility model belongs to the technical field of machining, concretely relates to two-dimensional workbench.

Background

In the actual production in the fields of semiconductor processing, precision manufacturing, optical engineering and the like, a workbench is used for improving the processing precision and manufacturing products with smaller volume, lower energy consumption, higher precision and stronger function, the workbench is an important component of a numerical control machine and is used as a basic control unit and a key transmission part of the precision numerical control equipment, and the system structure and the control precision directly determine the working performance of the precision numerical control equipment. Therefore, the research of the feeding system of the high-precision working table occupies a very important position in the current advanced industrial and scientific research field.

The traditional driving mode of the existing feeding system adopts single motor driving, the structural rigidity is poor, the axial driving force of the motor is difficult to ensure to accurately act on the gravity center of a moving part, and great influence is generated on the service life and the precision of mechanical equipment.

SUMMERY OF THE UTILITY MODEL

Poor, the low problem of precision in order to solve the rigidity that prior art exists, the utility model provides a two-dimensional workbench, it has characteristics such as rigidity height, precision are higher.

The utility model discloses the technical scheme who adopts does:

a two-dimensional table, comprising: the main control module and the two layers of driving mechanisms with orthogonal motion directions;

two-layer actuating mechanism all includes: the sliding rail is arranged on the supporting plate, the sliding block is matched and slidably connected with the sliding rail, and the supporting plate of the first layer is fixed on the driving module and the sliding block of the second layer;

an operation table is fixed on the driving module and the sliding block of the first layer;

the two driving modules are respectively in transmission connection with corresponding stepping motors, and the corresponding sliding blocks are respectively driven to move under the driving of the stepping motors;

the two stepping motors are respectively connected with the main control module, and the main control module is used for motion adjustment of the stepping motors.

Further, the driving module includes: the screw rod, the supporting seat and the screw rod nut seat;

the lead screw is arranged on the supporting plate through the supporting seat;

the screw nut seat is arranged on the screw, the operating table is fixed on the screw nut seat on the first layer, and the screw nut seat on the second layer is fixedly connected with the supporting plate on the first layer;

the screw rod is connected with the stepping motor through a coupler and drives the screw rod nut seat to move under the driving of the stepping motor.

Further, the two-dimensional workbench further comprises a motor base arranged on the supporting plate and used for fixing the stepping motor.

Furthermore, the number of the slide rails on the second layer is two, the number of the corresponding slide blocks is two, and the slide rails are arranged on two sides of the lead screw in parallel.

Furthermore, both ends of the sliding rail on the supporting plate are provided with stopper brackets for fixing a stopper to prevent the sliding block and the sliding rail from being separated.

Further, the two-dimensional workbench further comprises a sensor support arranged in parallel with the sliding rail and used for fixing a limiting sensor.

Further, the main control module comprises a PLC controller, and the PLC controller is respectively connected with the stepping motor and the limit sensor and used for feedback control of the stepping motor.

Furthermore, the main control module further comprises a touch display screen connected with the PLC, and the touch display screen is used for operation management of the stepping motor.

The utility model has the advantages that: by adopting two layers of crossed driving mechanisms, the X-axis and the Y-axis movement are realized respectively, the main control unit drives and controls the stepping motor to be matched with the X-axis and the Y-axis movement, the movement of any track is realized, the respective control of double motors is realized, the structural rigidity is enhanced, and the operation precision is more accurate.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a block diagram of a two-dimensional table provided in accordance with an exemplary embodiment;

FIG. 2 is a block diagram of a support base provided in accordance with an exemplary embodiment;

FIG. 3 is a circuit diagram of a PLC controller provided in accordance with an exemplary embodiment;

FIG. 4 is a circuit diagram of an X-axis stepper motor driver provided in accordance with an exemplary embodiment;

fig. 5 is a circuit diagram of a Y-axis stepper motor driver provided in accordance with an exemplary embodiment.

FIG. 1-stepper motor; 2-a motor base; 3, coupling; 4-a support seat; 5-a stopper bracket; 6-a stop block; 7-a lead screw; 8-lead screw nut seat; 9-a limit sensor; 10-an operation table; 11-a pallet; 12-a slide rail; 13-a drag chain; 14-a sensor holder; 15-sliding block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 and 2, an embodiment of the present invention provides a two-dimensional workbench, including: the main control module and the two layers of driving mechanisms with orthogonal motion directions;

two-layer actuating mechanism all includes: the device comprises a supporting plate 11, a driving module, a sliding rail 12 and a sliding block 15, wherein the sliding rail 12 is arranged on the supporting plate 11, the sliding block 15 and the sliding rail 12 are in matched sliding connection, and the supporting plate 11 of the first layer is fixed on the driving module and the sliding block 15 of the second layer;

an operating platform 10 is fixed on the driving module and the sliding block 15 of the first layer;

the two driving modules are respectively in transmission connection with the corresponding stepping motors 1, and respectively drive the corresponding sliding blocks 15 to move under the driving of the stepping motors 1;

the two stepping motors 1 are respectively connected with a main control module, and the main control module is used for motion adjustment of the stepping motors 1.

Specifically, the supporting plate 11 of one set of driving mechanism is fixed on the sliding block 15 and the driving module of the other set of driving mechanism, which is equivalent to fixing the X axis on the sliding table of the Y axis, so that the sliding block on the X axis is the moving object, i.e. the Y direction movement of the sliding block can be controlled by the Y axis, and the X direction movement of the sliding block can be controlled by the X axis, and the movement mode can be realized by external driving. Therefore, the sliding block can complete fixed-point motion, linear or curvilinear motion on a plane coordinate, more accurate control can be performed by combining the stepping motor, and the motion accuracy is ensured while the structural rigidity is increased.

As a possible realization of the above embodiment, the support plate 11 may be made of cast iron material, wherein the lower layer has a dimension of 500mm x 20mm, the upper support plate has a cast iron material having a dimension of 500mm x 180mm x 20mm, and the rail length is 450 mm. The technical personnel in this field can set according to the actual conditions, and the utility model is not limited herein.

In some embodiments of the present invention, the driving module comprises: the screw 7, the supporting seat 4 and the screw nut seat 8;

the screw rod 7 is arranged on the supporting plate 11 through the supporting seat 4;

the screw nut seat 8 is arranged on the screw 7, wherein an operating table 10 is fixed on the screw nut seat 8 of the first layer, and the screw nut seat 8 of the second layer is fixedly connected with the supporting plate 11 of the first layer;

the screw 7 is connected with the stepping motor 1 through the coupler 3 and drives the screw nut seat 8 to move under the driving of the stepping motor 1. And a motor base 2 arranged on the supporting plate 11 and used for fixing the stepping motor 1.

Specifically, slide rail 12 is fixed on layer board 11, and step motor 1 is fixed on layer board 11 by motor cabinet 2, when step motor 1 passes through 3 drive lead screw 7 rotations of shaft coupling for 8 relative motion of lead screw nut seat then drive slider 15 and layer board 11 and move, realize the motion of layer board 11 and operation panel 10.

Wherein, in order to guarantee that the operation is more stable, the number of the second layer slide rails 12 is two, the number of the corresponding slide blocks 15 is two, and the slide rails 12 are arranged on two sides of the screw rod 7 in parallel. The two slide rails 12 arranged in parallel drive the supporting plate 11 fixed on the slide rails to move, and compared with the arrangement mode of a single slide rail 12, the moving of the supporting plate 11 is more stable and reliable, and meanwhile, the rigidity of the structure is enhanced.

Preferably, both ends of the slide rail on the supporting plate are provided with a stopper bracket 5 for fixing the stopper 6 to prevent the slide block 15 and the slide rail 12 from being separated. Through set up dog support 5 respectively and set up the dog on the support at the both ends of slide rail 12, can inject the motion range of slider on slide rail 12, avoid the excessive motion to cause slider 15 and the emergence accident of slide rail 12 phase separation. When the concrete implementation, the dog can adopt soft materials such as rubber to make, can play fine cushioning effect when playing limiting displacement, further protect the platform.

And a sensor bracket 14 arranged parallel to the slide rail is further arranged on the two-dimensional workbench and used for fixing the limit sensor 9. For further enhancing the safety of operation, the sensor support 14 can be arranged at a position parallel to the slide rail 12, and the corresponding limit sensor 9 is arranged at a position where the two ends of the sensor support 14 are flush with the two ends of the slide rail 12 to detect the sliding blocks moving to the two ends of the slide rail, and once the corresponding sliding blocks are detected, corresponding signals are sent to the main control unit, so that the main control unit controls the corresponding stepping motors to stop moving, further, the occurrence of accidents is avoided, and double technical support is provided.

Referring to fig. 3 to 5, the main control module includes a PLC controller, and the PLC controller is connected to the stepping motor and the limit sensor, respectively, and is used for feedback control of the stepping motor 1.

The main control module also comprises a touch display screen connected with the PLC controller and used for the operation management of the stepping motor.

The PLC controller can drive the corresponding stepping motor through the corresponding X-axis driver and the corresponding Y-axis driver, and limits the positive and negative directions of the movement of the sliding block by combining the limiting sensor. And can combine corresponding pilot lamp and bee calling organ to carry out the instruction of motion condition, the suggestion through the running light of different colours and bee calling organ is to the running state suggestion to the supplementary user monitors the running condition of platform.

In other embodiments of the utility model, still including connecting the tow chain 13 between upper and lower layer board, can cause the layer board on upper strata when will with the layer board phase separation of lower floor, play the effect of protection taking place uncontrollable unexpected circumstances, thereby avoid the layer board on upper strata to fall from the eminence and cause the damage of platform.

The two-dimensional workbench provided by the embodiment of the invention overcomes the defect of poor rigidity, especially poor torsional rigidity, of a single-drive structure, greatly improves the machining precision of mechanical equipment, and prolongs the service life of a transmission device. And the two-dimensional workbench adopting the double-drive technology in the axial direction and the radial direction is used as a research object, so that the synchronous error of the double-drive two-dimensional workbench is reduced from two aspects of the drive technology and the control technology, and the precision and the stability of the system are improved.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

What has been described above includes examples of one or more embodiments. It is, of course, not possible to describe every conceivable combination of components or methodologies for purposes of describing the aforementioned embodiments, but one of ordinary skill in the art may recognize that many further combinations and permutations of various embodiments are possible. Accordingly, the embodiments described herein are intended to embrace all such alterations, modifications and variations that fall within the scope of the appended claims. Furthermore, to the extent that the term "includes" is used in either the detailed description or the claims, such term is intended to be inclusive in a manner similar to the term "comprising" as "comprising" is interpreted when employed as a transitional word in a claim. Furthermore, any use of the term "or" in the specification of the claims is intended to mean a "non-exclusive or".

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A two-dimensional table, comprising: the main control module and the two layers of driving mechanisms with orthogonal motion directions;

2. A two-dimensional table according to claim 1, wherein the drive module comprises: the screw rod, the supporting seat and the screw rod nut seat;

the lead screw is arranged on the supporting plate through the supporting seat;

3. A two-dimensional table according to claim 2, further comprising a motor mount provided on the support plate for securing the stepper motor.

4. The two-dimensional workbench according to claim 2, wherein the number of the slide rails on the second layer is two, the number of the corresponding slide blocks is two, and the slide rails are arranged on two sides of the lead screw in parallel.

5. A two-dimensional table according to claim 2, wherein stopper brackets are provided at both ends of the slide rail on the supporting plate for fixing stoppers to prevent the slide block and the slide rail from being separated from each other.

6. A two-dimensional table according to claim 2, further comprising a sensor support arranged parallel to the slide rail for holding a position-limiting sensor.

7. A two-dimensional workbench according to claim 6, wherein said master control module comprises a PLC controller connected to said stepper motor and limit sensor respectively for feedback control of said stepper motor.

8. The two-dimensional workbench according to claim 7, wherein said master control module further comprises a touch display screen connected to said PLC controller for managing the operation of said stepper motor.