CN106736623B

CN106736623B - Material taking and replacing device, machining center and machining method

Info

Publication number: CN106736623B
Application number: CN201611206908.3A
Authority: CN
Inventors: 肖衍盛; 吴勇勇; 陆平
Original assignee: SUZHOU GUFUDAO AUTOMATION TECHNOLOGY Co Ltd
Current assignee: SUZHOU GUFUDAO AUTOMATION TECHNOLOGY Co Ltd
Priority date: 2016-12-23
Filing date: 2016-12-23
Publication date: 2019-12-17
Anticipated expiration: 2036-12-23
Also published as: CN106736623A

Abstract

The invention discloses a material taking and changing device, a machining center and a machining method. When the machining head is used for machining the upper working face, materials can be taken and placed on the lower working face, after materials on the upper working face are machined, the working table rotates 180 degrees, the machining head machines new materials, the materials are applied to the material taking and changing device and the machining center, the positioned materials can be machined without stopping the machining head for waiting, machining time is saved, and machining efficiency is improved.

Description

Material taking and replacing device, machining center and machining method

Technical Field

The invention relates to the technical field of material processing equipment, in particular to a material taking and changing device, a processing center and a processing method.

Background

The present digit control machine tool processing field mainly is a processing head that a processing platform corresponds, lead to getting the in-process of putting the material like this, the processing head is in idle state, the process time has been increased, machining efficiency has been reduced, even if there is the digit control machine tool of two workstations or multiplex workstation, it still can not avoid the workstation to promote the processingquantity with the concatenation mode of processing head one-to-one or only simple stack processing part, nevertheless because the processing head all can wait for complicated last unloading process, its machining efficiency obviously does not have obvious promotion.

disclosure of Invention

the invention provides a double-sided processing table, a material taking and replacing device, a processing center and a processing method to solve the problems.

the double-sided processing table provided by the invention comprises: the material fixing device comprises a workbench with an upper working surface and a lower working surface, a mounting base for bearing the workbench, and a turnover driving mechanism for driving the workbench to turn over on the mounting base from top to bottom, wherein the upper working surface and the lower working surface of the workbench are respectively provided with a material fixing part for fixing materials.

Preferably, the upper and lower working faces of the workbench are respectively provided with a sucker assembly as a material fixing part.

preferably, the upper working surface and the lower working surface of the workbench are provided with more than two working positions.

The material taking and replacing device provided by the invention comprises the double-sided processing table, a material groove for placing materials and a transfer mechanism for transferring the materials between the material groove and a working surface.

Preferably, the working positions of the trough and the processing table are correspondingly arranged along the Y-axis direction, the transfer mechanism comprises a rotary taking and placing arm arranged between the trough and the processing table and a driving seat for bearing the rotary taking and placing arm to move in the Y-axis direction and the Z-axis direction, the rotary taking and placing arm comprises a pair of taking and placing parts for taking and placing materials, and the pair of taking and placing parts are rotatably arranged on the driving seat in a mode of being respectively arranged on two sides of an axis in the X-axis direction and correspond to the working positions of the trough and the processing table in the Y-axis direction.

Preferably, drive the seat and include the first guide rail that is located wherein one side of silo both sides and sets up along the Y axle direction in the X axle direction, be equipped with first slip table and first driving motor or cylinder on the first guide rail, first driving motor or cylinder drive first slip table slide along the Y axle on first guide rail, be fixed with the second guide rail that sets up along the Z axle direction on the first slip table, be equipped with second slip table and second driving motor or cylinder on the second guide rail, second driving motor or cylinder drive second slip table slide along the Z axle on the second guide rail, installation rotary driving mechanism on the second slip table, rotary driving mechanism drives rotatory getting is put the arm rotation.

Preferably, the quantity of the material troughs is more than two, the material troughs are arranged along the X-axis direction, the rotary driving mechanism extends to form a rotary rod in the X-axis direction, the rotary rod is provided with rotary picking and placing arms which are consistent with the quantity of the material troughs in the X-axis direction, and the processing table is provided with working positions which are consistent with the quantity of the material troughs.

Preferably, the pick-and-place part is a sucker assembly.

The machining center provided by the invention comprises any one of the material taking and replacing devices, a machining head arranged corresponding to the working position of the machining table and a machining head driving mechanism for driving the machining head to move.

preferably, the machining device further comprises a machining table driving mechanism for bearing the machining table to slide in the Y-axis direction, the machining table driving mechanism comprises a third guide rail and a third driving motor or a cylinder, the third driving motor or the cylinder drives the machining table to slide on the third guide rail, the machining head driving mechanism comprises a fourth guide rail, the fourth guide rail is arranged in the X-axis direction, a fourth sliding table and a fourth driving motor or a cylinder are arranged on the fourth guide rail, the fourth driving motor or the cylinder drives the fourth sliding table to slide on the fourth guide rail, a fifth guide rail is arranged on the fourth sliding table in the Z-axis direction, a fifth driving motor or a cylinder is arranged on the fifth guide rail, and the fifth driving motor or the cylinder drives the machining head to slide on the fifth guide rail in the Z-axis direction.

The processing method provided by the invention comprises the following steps:

A: when the processing head processes the material fixed on the working surface of the processing table, the material to be processed is conveyed to the working surface under the processing table by the transfer mechanism for fixing;

B: after the processing head processes the material on the working surface of the processing table, the overturning driving mechanism drives the processing table to overturn by 180 degrees, the processing head processes the material to be processed on the lower working surface of the original processing table overturned above, and the transferring mechanism takes down the processed material on the upper working surface of the original processing table overturned below and sends the processed material back to the material tank;

C: and returning to the step A.

Preferably, before step a, the method further comprises:

Initially, the transport mechanism obtains two to-be-processed materials in the trough, then the transport mechanism sends the first to-be-processed material into the lower working face of the processing table for fixation, the turnover driving mechanism drives the processing table to rotate by 180 degrees, the processing head processes the to-be-processed material on the working face of the processing table, the transport mechanism sends the second to-be-processed material into the lower working face of the processing table for fixation, the to-be-processed head processes the first to-be-processed material into a processed material, the turnover driving mechanism drives the processing table to rotate by 180 degrees to overturn the second to-be-processed material to the upper face for processing by the processing head, and the transport mechanism overturns the first to-be-processed material below the processing table and sends the processed material back to the trough.

the double-sided processing table, the material taking and replacing device, the processing center and the processing method provided by the invention have the following beneficial effects:

because the workstation can overturn, and be equipped with the material fixed part on the upper and lower working face, add man-hour to the material of working face when the processing head, transport mechanism can transport another material to working face down, the material is adsorbed to working face down, treat the material processing back that finishes of working face, the workstation is rotatory 180, the processing head processes another material, such two-sided processing platform, get and trade the material device and machining center do not need the processing head shut down wait alright with processing in order to process the material that has been fixed a position, the process time is saved, the machining efficiency is improved.

The processing method provided by the invention can enable the processing head to be in a processing state all the time, and the processing head does not need to wait for material taking and replacing, thereby realizing a more effective processing order, greatly saving the processing time and improving the processing efficiency.

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 the drawings without creative efforts.

FIG. 1 is a plan view of a double-sided processing table, a material taking and changing device, and a processing center according to example 1;

FIG. 2 is a front view of a double-sided processing table, a material taking and changing device and a processing center according to example 1;

FIG. 3 is a flow chart of the processing method of example 2;

Reference numerals:

10. The automatic turning device comprises a workbench, 20, a mounting base, 30, a turning driving mechanism, 40, a trough, 50, a transfer mechanism, 51, a first sliding table, 52, a second sliding table, 53, a rotating rod, 60, a processing head, 70 and a fourth sliding table.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

The present embodiment provides a duplex processing table including: the material fixing device comprises a workbench 10 with an upper working surface and a lower working surface, a mounting base 20 for bearing the workbench, and a turnover driving mechanism 30 for driving the workbench 10 to turn over on the mounting base 20, wherein the upper working surface and the lower working surface of the workbench 10 are respectively provided with a material fixing part for fixing materials.

The upper and lower working surfaces of the working table 10 are provided with suction cup assemblies as material fixing portions, and in other embodiments, other fixing devices may be used for the material fixing portions. In this embodiment, the upper and lower working surfaces of the working platform 10 are respectively provided with 4 working positions, and in other embodiments, other numbers of working positions may be adopted.

The turnover driving mechanism 30 may drive the worktable to turn over by a motor or an air cylinder, and in this embodiment, is driven by a servo motor.

The material in this embodiment is a plate, specifically, a mobile phone glass, and of course, in other embodiments, the material may be other workpieces, and the corresponding material fixing portion may be adjusted.

the two-sided processing platform that this embodiment provided, it makes when the processing head adds man-hour to the panel of last working face, can get the blowing at the working face down, and when the panel processing of last working face finishes, upset workstation 10, the processing head can be processed a new panel immediately, has saved the time that the blowing head waited for to get the blowing, has improved work efficiency. The upper working face and the lower working face are respectively provided with the sucker component, so that the lower working face can adsorb the plate, and the workbench can drive the plate to turn over.

in the invention, the workbench can be turned upside down, but the upper working surface always refers to the working surface facing upwards, and the lower working surface always refers to the working surface facing downwards.

the upper and lower working surfaces of the working table 10 are respectively provided with 4 working positions, so that the processing efficiency can be improved. And 4 work positions are driven to overturn through the overturning driving mechanism 30, and an overturning driving mechanism is not required to be additionally added, so that the manufacturing cost of the processing table is saved, the processing sequence of each work position is consistent, and the large-scale processing is facilitated.

The embodiment further provides a material taking and changing device, which comprises the double-sided processing table, a material groove 40 for placing materials and a transfer mechanism 50 for transferring the materials between the material groove 40 and the working surface. The working positions of the trough 40 and the processing table are correspondingly arranged along the Y-axis direction, the transfer mechanism 50 comprises a pair of taking and placing parts which are used for taking and placing materials, and the taking and placing parts are rotatably arranged on the driving seats in a mode of being respectively arranged on two sides of an axis in the X-axis direction and correspond to the working positions of the trough and the processing table in the Y-axis direction.

The drive seat includes the first guide rail that is located wherein one side of silo 40 both sides and sets up along the Y axle direction in the X axle direction, in this embodiment, first guide rail is established on the right side at silo 40, can set up the left side at silo 40 certainly in other embodiments, be equipped with first slip table 51 and first driving motor on the first guide rail, the first slip table 51 of first driving motor drive slides along the Y axle on first guide rail, be fixed with the second guide rail that sets up along the Z axle direction on the first slip table, be equipped with second slip table 52 and second driving motor on the second guide rail, second driving motor drive second slip table 52 slides along the Z axle on the second guide rail, install rotary driving mechanism on the second slip table 52, rotary driving mechanism drive rotatory getting is put the arm rotation.

In this embodiment, a motor is used to drive the sliding table to slide on the guide rail, and the motor is a servo motor, and in other embodiments, an air cylinder may be used to drive the sliding table to slide on the guide rail.

The material taking and placing device in the embodiment corresponds to the working position of the processing table, and also comprises 4 material troughs 40, wherein the 4 material troughs 40 are arranged and arranged along the X-axis direction, a rotating rod 53 extends from the rotating driving mechanism above the X-axis, rotating arms with the same number as the material troughs 40 are arranged and installed on the rotating rod 53 along the X-axis direction, and the processing table is also provided with the working positions with the same number as the material troughs 40.

The pick-and-place part is a sucker component, as shown in fig. 2, the middle point of the rotary pick-and-place arm is arranged on the rotating rod 53 and is perpendicular to the rotating rod 53, the pair of pick-and-place parts are respectively arranged on two sides of the rotary pick-and-place arm, when the rotary pick-and-place arm rotates to be parallel to the horizontal plane, the pick-and-place part adsorption surface close to the trough 40 faces downwards, the pick-and-place part adsorption surface close to the processing table faces upwards, so that two pick-and-place parts can be operated simultaneously by moving the rotating rod 53 and the rotary rotating rod 53 on the Y-axis Z axis, two pick-and-place parts are not required to be driven by the two rotating rods 53, the manufacturing cost of the device is saved, and in the embodiment, the pick-and place of the upper and lower 8 working positions can be.

In this embodiment, panel is in the silo face towards the processing platform and erects the range, and has the clearance that supplies to get the portion of putting and get to get between the panel, and its implementation mode can be through setting up the screens in the silo, and in this embodiment, the panel of treating processing and the panel that has processed are all placed in the silo, are favorable to getting the blowing like this, can save silo quantity, have saved the arrangement space of device simultaneously.

In the present invention, the X-axis, the Y-axis and the Z-axis form a cartesian coordinate system, which is only described with reference to the drawings for convenience of the reader to understand the technical solution, and in other environments, if other direction definitions are used, the technical solution is not limited in scope.

The embodiment further provides a machining center, which comprises the material taking and replacing device, a machining head 60 arranged corresponding to the working position of the machining table, and a machining head driving mechanism for driving the machining head 60 to move. The machining table driving mechanism is used for bearing the machining table and sliding in the Y-axis direction, the machining table driving mechanism comprises a third guide rail and a third driving motor, the third driving motor drives the machining table to slide on the third guide rail, the machining head driving mechanism comprises a fourth guide rail, the fourth guide rail is arranged in the X-axis direction, a fourth sliding table 70 and a fourth driving motor are arranged on the fourth guide rail, the fourth driving motor drives the fourth sliding table 70 to slide on the fourth guide rail, a fifth guide rail is arranged on the fourth sliding table 70 in the Z-axis direction, a fifth driving motor is arranged on the fifth guide rail, and the fifth driving motor drives the machining head 60 to slide on the fifth guide rail in the Z-axis direction. In other embodiments, the processing head driving mechanism can be a mechanism capable of driving the processing head to move in the directions of XYZ axes, so that a relatively fixed processing table can be arranged, and the omnibearing processing of the processed material is ensured.

The fourth driving motor can drive the machining head 60 to move along the X-axis direction, the fifth driving motor can drive the machining head 60 to slide along the Z-axis direction, and the machining table driving mechanism can drive the machining table to move along the Y-axis direction, so that the machining head 60 and a working position arranged on the machining table can move in 3 mutually perpendicular directions relatively, and the machining head can machine plates on the machining table in an all-round mode. In other embodiments, the processing head driving mechanism for driving the processing head 60 to move may be a mechanism capable of driving the processing head in the directions of XYZ axes, and the processing may be realized by providing a relatively stationary processing table. It can be understood that, for those skilled in the art, in order to ensure that the transfer mechanism can stably and accurately perform loading and unloading under the condition that the processing table moves, it is necessary to add a dynamic tracking system in the entire control system to ensure that the work coordination of each hardware part is more accurate, and for a specific operation principle of the dynamic tracking system, what those skilled in the art can know through the prior art is omitted here for further description.

Example 2:

The embodiment provides a processing method, which comprises the following steps:

B: after the processing head processes the material on the working surface of the processing table, the overturning driving mechanism drives the processing table to overturn by 180 degrees, the processing head processes the material to be processed on the lower working surface of the original processing table overturned above, and the transferring mechanism takes down the processed material on the upper working surface of the original processing table overturned below and sends the processed material back to the material tank; it can be understood that taking off the material and returning to the silo includes taking off the material and directly sending back the silo and taking off the material and refeed a piece and wait to process the material after and send back the silo, two kinds of modes, these two kinds of modes are to transfer mechanism have single portion of getting and put and two portions of getting, have two portions of getting, then can be suitable for and take off the material and refeed a piece and wait to process the material after and send back the silo. The first mode is taken off the direct feed back silo of material, then requires that transport mechanism functioning speed is fast, before the material processing of processing bench work face is accomplished to the processing head, the completion is taken off the direct feed back silo of material and is taken out the material from the silo and put into processing bench work face, and the material is taken off and is sent back to the silo including taking off the material and sending into a piece and waiting to process the material back feed back silo to preferred second mode in this embodiment, and efficiency is higher, need not transport mechanism fast operation.

c: and returning to the step A.

Before step A, the method also comprises the following steps:

The steps a to C are all key steps and essential steps in the processing method, and the whole process of the processing method will be described in detail below.

1. Initial state

before processing begins, the rotary picking and placing arm is located between the processing table and the trough, no plate is placed on the processing table, the driving seat drives the rotary picking and placing arm to the highest point, the rotating rod rotates until the rotary picking and placing arm is perpendicular to the horizontal plane, the driving seat drives the rotary picking and placing arm to the position above the position between the first plate and the second plate in the trough, the driving seat drives the rotary picking and placing arm to descend to the sucker and face the first plate, the driving seat drives the rotary picking and placing arm to ascend to the highest point until the rotary picking and placing arm can rotate without obstacles, the driving seat drives the rotary picking and placing arm to the position above the position between the second plate and the third plate in the trough, the rotary picking and placing arm rotates 180 degrees, the driving seat drives the rotary picking and placing arm to descend to the sucker and face the second plate, the driving seat drives the rotary picking and placing arm to ascend to the highest point, and the rotary driving arm rotates 90 degrees towards.

Drive the rotatory arm of getting of seat drive to processing platform the place ahead, it gets the arm and down removes at same level to work face under first panel and the workstation to drive the seat drive rotation, it gets the arm and removes until first panel alignment work face down to drive the seat drive rotation, the sucking disc on the work face adsorbs first panel down, the rotatory first panel of sucking disc release of getting on the arm of getting, it leaves the workstation to drive the seat drive rotation to get the arm, upset actuating mechanism drive workstation is rotatory 180.

The driving seat drives the rotary picking and placing arm to lift to the highest point, the rotary driving arm rotates 180 degrees, the driving seat drives the rotary picking and placing arm to move downwards until the second plate and the lower working surface of the workbench are at the same horizontal height, the driving seat drives the rotary picking and placing arm to move towards the direction of the processing table until the second plate aligns with the lower working surface, the sucking disc on the lower working surface adsorbs the second plate, and the sucking disc on the rotary picking and placing arm releases the second plate. The driving seat drives the rotary picking and placing arm to leave the workbench.

2. In the early stage of processing

The processing head processes the first plate on the upper working face, the driving seat drives the rotary taking and placing arm to ascend to the highest point, the rotary driving arm rotates 90 degrees along the direction of the trough, the driving seat drives the rotary taking and placing arm to move to the position above the position between the third plate and the fourth plate, the driving seat drives the rotary taking and placing arm to descend to the sucker and face the third plate, the driving seat drives the rotary taking and placing arm to ascend to the highest point, and the rotary driving arm rotates 90 degrees along the direction of the processing table to enable the rotary driving arm to be parallel to the horizontal plane.

3. Cycle processing

The arm is got to the rotatory arm of getting of drive seat drive to processing platform the place ahead, the arm is got to the rotatory arm of getting of drive seat drive moves down and is at same level until working face under third panel and the workstation, treat that first panel processing back that finishes, upset actuating mechanism drive workstation is rotatory 180, the processing head processes second panel, the arm is got to the drive seat drive rotation and moves down until empty sucking disc aligns lower working face toward the processing platform direction, the first panel of sucking disc absorption on the rotary drive arm, the first panel of sucking disc release on the lower working face.

The driving seat drives the rotary picking and placing arm to leave the workbench. The driving seat drives the rotary picking and placing arm to rise to the highest point, the rotary driving arm rotates 180 degrees along the direction of the trough, the driving seat drives the rotary picking and placing arm to move downwards until the third plate and the lower working surface of the workbench are at the same horizontal height, the driving seat drives the rotary picking and placing arm to move along the direction of the processing table until the third plate is aligned with the lower working surface, a sucker on the lower working surface adsorbs the third plate, and the sucker on the rotary picking and placing arm releases the third plate. The arm is got to drive seat drive rotation and is got and put and leave the workstation, and drive seat drive rotation is got and is put the arm and rise to the peak, and the rotation driving arm is rotatory 90 toward the silo direction, and drive seat drive rotation is got and is put the arm and remove the top of the position of first panel in the raw materials inslot, and drive seat drive rotation is got and is got the arm and down remove to first panel and remove to the original position, and the first panel of sucking disc release on the arm is got in the rotation.

The driving seat drives the rotary picking and placing arm to ascend to the highest point, the driving seat drives the rotary picking and placing arm to the position above the trough and above the trough between the fourth plate and the fifth plate, the driving seat drives the rotary picking and placing arm to descend to the position where the sucker faces the fourth plate, the sucker on the rotary picking and placing arm adsorbs the fourth plate, the driving seat drives the rotary picking and placing arm to ascend to the highest point, and the rotary driving arm rotates 90 degrees towards the direction of the processing table to enable the rotary driving arm to be parallel to the horizontal plane. The driving seat drives the rotary picking and placing arm to the front of the processing table.

This step is repeated all the time, and until all processing of panel in the silo finishes or the device is called and stops, treat the whole processing backs of panel in the silo, can artifically or automatic place the new silo of filling with panel, let the processing head continue to process panel.

The processing method provided by the embodiment can enable the processing head to be always in a processing state, the processing head does not need to wait for material taking and replacing, a more effective processing order is realized, the processing time is greatly saved, and the processing efficiency is improved.

the double-sided processing table, the material taking and changing device, the processing center and the processing method provided by the embodiment of the invention are described in detail, a specific example is applied in the description to explain the principle and the implementation mode of the invention, and the description of the embodiment is only used for helping to understand the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea and method of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims

1. Get the feed conversion equipment, its characterized in that, including two-sided processing platform, still including the silo that is used for placing the material and be used for the transport mechanism who transports the material between silo and working face, two-sided processing platform includes: the device comprises a workbench, a mounting base and a turnover driving mechanism, wherein the workbench is provided with an upper working surface and a lower working surface; when the processing head processes the material on the upper working face, the material is taken from and placed on the lower working face, and when the processing of the material on the upper working face is finished, the working table is turned over, and the processing head processes a new piece of material; the working position of silo and processing platform corresponds the setting along the Y axle direction, transport mechanism gets the arm and bears the weight of this rotation and gets the drive seat of getting the arm and moving in Y axle and Z axle direction including setting up the rotation between silo and processing platform, and the rotation is got and is put the arm and is included a pair of portion of getting that is used for getting to put the material, and this a pair of portion of getting is rotationally installed on the drive seat and is corresponding in the Y axle direction with the mode of establishing in X axial ascending axis both sides in order to divide.

2. The apparatus according to claim 1, wherein suction cup assemblies are provided on both the upper and lower working surfaces of the table as material fixing portions.

3. The apparatus according to claim 1, wherein the two working surfaces are provided with more than two working positions.

4. The taking and replacing device as claimed in claim 1, wherein the driving seat includes a first guide rail located on one of two sides of the trough in the X-axis direction and arranged along the Y-axis direction, the first guide rail is provided with a first sliding table and a first driving motor or a first air cylinder, the first driving motor or the first air cylinder drives the first sliding table to slide along the Y-axis on the first guide rail, the first sliding table is fixed with a second guide rail arranged along the Z-axis direction, the second guide rail is provided with a second sliding table and a second driving motor or a second air cylinder, the second driving motor or the second air cylinder drives the second sliding table to slide along the Z-axis on the second guide rail, and the second sliding table is provided with a rotation driving mechanism which drives the rotation taking and placing arm to rotate.

5. The taking and replacing device as claimed in claim 1, wherein the number of the troughs is two or more, the troughs are arranged in the X-axis direction, the rotary driving mechanism extends to a rotating rod in the X-axis direction, the rotating rod is provided with rotary taking and placing arms in the X-axis direction, the rotary taking and placing arms are arranged on the rotating rod, and the working positions are arranged on the processing table, and the number of the working positions is the same as that of the troughs.

6. The apparatus of claim 1, wherein the access portion is a suction cup assembly.

7. Machining center, characterized in that, include the above-mentioned taking and changing material device of any one of claims 1 to 6, also include the processing head and drive mechanism of processing head driving the processing head movement that set up with the work position of the processing platform.

8. The machining center as claimed in claim 7, further comprising a table driving mechanism for carrying the table to slide in the Y-axis direction, wherein the table driving mechanism includes a third guide rail and a third driving motor or cylinder provided in the Y-axis direction, the third driving motor or cylinder drives the table to slide on the third guide rail, the head driving mechanism includes a fourth guide rail provided in the X-axis direction, the fourth guide rail is provided with a fourth slide table and a fourth driving motor or cylinder, the fourth driving motor or cylinder drives the fourth slide table to slide on the fourth guide rail, the fourth slide table is provided with a fifth guide rail in the Z-axis direction, the fifth guide rail is provided with a fifth driving motor or cylinder, and the fifth driving motor or cylinder drives the head to slide on the fifth guide rail in the Z-axis direction.

9. A machining method for use in the machining center according to claim 7 or 8, comprising the steps of:

Before processing begins, the rotary taking and placing arm is located between the processing table and the trough, no material is placed on the processing table, the driving seat drives the rotary taking and placing arm to reach the highest point, the rotating rod rotates until the rotary taking and placing arm is perpendicular to the horizontal plane, the driving seat drives the rotary taking and placing arm to reach the position above a position between a first material and a second material in the trough, the driving seat drives the rotary taking and placing arm to descend to a sucker facing the first material, the driving seat drives the rotary taking and placing arm to ascend to the highest point until the rotary taking and placing arm can rotate without obstacles, the driving seat drives the rotary taking and placing arm to reach the position above a position between the second material and a third material in the trough, the rotary taking and placing arm rotates 180 degrees, the driving seat drives the rotary taking and placing arm to descend to the sucker facing the second material, the driving seat drives the rotary taking and placing arm to ascend to the highest point, and the rotary driving arm rotates 90 degrees;

C: and returning to the step A.

10. The process of claim 9, further comprising, prior to step a: