CN111975511B - Numerical control machining center with automatic feeding and discharging function and automatic feeding and discharging method thereof - Google Patents
Numerical control machining center with automatic feeding and discharging function and automatic feeding and discharging method thereof Download PDFInfo
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- CN111975511B CN111975511B CN202010831320.7A CN202010831320A CN111975511B CN 111975511 B CN111975511 B CN 111975511B CN 202010831320 A CN202010831320 A CN 202010831320A CN 111975511 B CN111975511 B CN 111975511B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
- B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
- B24B7/24—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain for grinding or polishing glass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/04—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for treating only selected parts of a surface, e.g. for carving stone or glass
- B24C1/045—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for treating only selected parts of a surface, e.g. for carving stone or glass for cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/02—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/18—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by milling, e.g. channelling by means of milling tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/005—Devices for the automatic drive or the program control of the machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/02—Accessories specially adapted for use with machines or devices of the preceding groups for removing or laying dust, e.g. by spraying liquids; for cooling work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Feeding Of Workpieces (AREA)
Abstract
The invention provides a numerical control machining center (hereinafter referred to as a machining center) with automatic feeding and discharging and an automatic feeding and discharging method thereof. The machining center comprises a numerical control machine tool, a machining platform is arranged on a machine tool body of the numerical control machine tool, and the numerical control machine tool further comprises a multi-end automatic material taking and replacing device and a material rack device; the material rack device is independent of the numerical control machine tool; the multi-end automatic material taking and changing device is erected on a machine tool body and comprises a blank taking and placing end and a finished product taking and placing end which can move in a reciprocating mode between a material changing position and an upper material position and a lower material position of the material rack device. The machining center can simultaneously pick and place the blank and the finished material piece, improves the continuity of picking and replacing the material, does not need to stop the machine tool machining for both the blanking of the finished material piece and the feeding of the next blank, improves the machine tool machining operation efficiency, reduces the occupation of the internal space of the machine tool body, and is particularly suitable for the machining of large-size plates.
Description
Technical Field
The invention relates to the technical field of plate numerical control machining, in particular to a numerical control machining center with automatic feeding and discharging and an automatic feeding and discharging method thereof.
Background
At present, the shaping processing of the special-shaped glass panel adopts water cutting or common profiling grinding processing. The existing single-station or double-station milling machine tool is generally used in the market, the material taking and placing of the material part in the processing process generally adopts a manual method to take and change the material, and the production efficiency is low. The material is manually taken and replaced, the production period of a single piece is short, a large amount of labor is needed, the production efficiency is low, industrial injury is easy to generate, and the labor intensity and the labor hazard are large. When mill on the present market carries out automatic reloading, often carry out next blank through single material taking end and get the material, the blowing of finished product material spare, consequently often need get the reloading through suspending whole machine tool machining temporarily, therefore need occupy longer material taking and reloading complementary time, and general work or material rest is all fixed on the shift table or the inside front end that is close to the workstation of lathe, need occupy the inside great working space of lathe, operating personnel is very far away from the equipment machining region, the work or material rest is placed inside leading to the lathe very huge at the lathe, it is very troublesome to change the work or material rest.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the numerical control machining center with the automatic feeding and discharging function, which can smoothly realize the material taking and changing of the machined plates without stopping the machine, and meanwhile, the material rest is independent of the machine tool, so that the working space occupied by the interior of the machine tool is reduced, and the structure of the numerical control machining center is compact.
Specifically, the numerical control machining center (hereinafter referred to as a machining center) with automatic feeding and discharging comprises a numerical control machine tool, a machining platform is arranged on a machine tool body of the numerical control machine tool, and the numerical control machining center further comprises a multi-end automatic material taking and replacing device and a material rack device;
the material rack device is independent of the numerical control machine tool;
the multi-end automatic material taking and changing device is erected on the machine tool body and comprises a blank taking and placing end and a finished product taking and placing end, the blank taking and placing end and the finished product taking and placing end move back and forth between the material changing position of the numerical control machine tool and the upper material position and the lower material position of the material rack device, and the multi-end automatic material taking and changing device finishes feeding of the next blank in the material box device and discharging of a finished product material part to the material box device when the numerical control machine tool is in a processing running state.
Herein, unloading is defined as releasing from the pick-and-place end and loading is defined as picking towards the pick-and-place end.
The multi-end automatic material taking and replacing device of the machining center is erected on a machine tool body, and can take and place blanks and finished material pieces at the same time.
The material rack device comprises a blank trough and a finished product trough, and the material taking and replacing moving stroke of the multi-end automatic material taking and replacing device can be reduced.
The machining platform can be fixed on the machine tool body and can also be movably arranged on the machine tool body.
Furthermore, the numerical control machine tool further comprises a cross beam, an X transverse shaft system with a sliding table and arranged on the cross beam, and a Z-direction shaft system with a Z-direction sliding table and arranged on the sliding table, wherein a machining electric main shaft is arranged on the Z-direction sliding table.
The crossbeam specifically can be planer-type crossbeam, and when the processing platform was portable processing platform, the station of adding can locate planer-type crossbeam both sides separately with the position of reloading.
For example, the numerically controlled machine tool may be a numerically controlled milling machine.
Furthermore, the multi-end automatic material taking and replacing device is a multi-end truss type material taking and replacing device and comprises a Y-direction shaft system erected on the machine tool body and a Y-direction sliding table arranged on the Y-direction shaft system;
the Y-direction shaft system is arranged higher than a processing plane of the processing platform, and a cantilever parallel to the X-direction shaft system is arranged on the Y-direction sliding table;
the blank taking and placing end is arranged on the cantilever through a first lifting sliding table and the finished product taking and placing end is arranged on the cantilever through a second lifting sliding table;
the first lifting sliding table and the second lifting sliding table are sequentially arranged along the extension direction of the Y-direction shaft system, are symmetrical relative to the cantilever and move horizontally and vertically relative to the processing plane; a blank taking and placing end is arranged on the first lifting sliding table, and a finished product taking and placing end is arranged on the second lifting sliding table.
The swing amplitude of the finished product taking and placing end and the blank taking and placing end in the feeding and blanking process is 0-90 degrees, so that the interference of materials in the operation process is avoided.
Indeed, the two taking and placing ends can adopt a sucking disc adsorption type or a clamp clamping type.
Specifically, the extending direction of the cantilever is perpendicular to the moving direction of the Y-direction sliding table.
Further, the blank taking and placing end comprises a first taking and placing swing mechanism fixed on the first lifting sliding table and a blank taking and placing device arranged on the first taking and placing swing mechanism, and the blank taking and placing device comprises a first overturning suction cup frame and a first suction cup device; the finished product taking and placing end comprises a second taking and placing swing mechanism and a finished product taking and placing device, wherein the second taking and placing swing mechanism is fixed on a second lifting sliding table, and the finished product taking and placing device comprises a second overturning sucker frame and a second sucker device.
Further, the swing amplitude of the first suction cup device and the second suction cup device ranges from 0 to 90 degrees.
Furthermore, a blowing cleaning device is arranged on the beam to timely clean dust scraps and finished product materials of the processing table board.
Further, the numerical control machining center provided by the invention further comprises a material rack positioning device for positioning the material rack device. The material rack positioning device can be abutted against the side wall of the machine tool body so as to facilitate positioning.
The invention also provides an automatic loading and unloading method of the numerical control center, which comprises the following steps:
feeding and discharging a first blank: in an initial state, the multi-end automatic material taking and replacing device moves to a blank loading position, and the blank taking and placing end picks up a blank and places the blank on a processing platform at the material replacing position;
processing a first blank: the numerical control machine tool processes the blank placed on the processing platform;
feeding the next blank: when the numerical control machine tool is in a processing state, the blank taking and placing end of the multi-end automatic taking and replacing device picks up a next blank from the material rack device and moves to a material replacing position;
finished product material part feeding and next blank blanking: after the blank is processed, a finished product part is picked up from the processing platform by a finished product picking and placing end of the multi-end automatic material taking and replacing device, and the next blank is placed on the processing platform by the blank picking and placing end;
blanking of finished material parts: and in the process of processing the next blank by the numerical control machine tool, the finished product taking and placing end of the multi-end automatic taking and replacing device is used for discharging the finished product part to a finished product groove or a finished product conveying line of the material rack device.
And repeating the processes of next blank feeding, finished product part feeding, next blank discharging and finished product part discharging until all blanks in the material box device are processed.
Furthermore, the processing platform can reciprocate between the processing position and the material changing position, so that finished material pieces can be taken away from the processing platform conveniently, and next blanks can be placed on the processing platform conveniently.
The overturning direction of the blank taking and placing end when overturning and blanking to the processing platform is the same as the direction of taking and overturning of the finished product taking and placing end from the processing platform. For example, the blank is turned in a counterclockwise direction, and the turning angle of the blank taking and placing end and the finished product taking and placing end is 0-90 degrees, so that the blank and the finished product can be prevented from interfering with each other.
Compared with the prior art, the numerical control machining center with automatic feeding and discharging and the automatic feeding and discharging method thereof provided by the invention have the following advantages:
the multi-end automatic material taking and changing device is erected on the machine tool body of the numerical control machine tool, so that the internal space of the machine tool is not occupied, and the multi-end automatic material taking and changing device realizes the feeding of the next blank and the discharging of finished material pieces under the processing running state of the numerical control machine tool, so that the processing efficiency is higher;
the material rack device is independent of a numerical control machine tool and does not interfere with the processing platform, so that the processing platform is not overloaded, the controllability of the precision of the plate, particularly the large-size glass plate, is favorable for improving, and the processed plate can be replaced more quickly and conveniently outside the machine;
meanwhile, the material rest is independent of a numerical control machine tool, so that enough blank feeding and discharging overturning space is provided, the problem that large-size processed plates need to be manually conveyed to a machine tool is solved, and the material rest is suitable for processing large-size, especially oversized glass plates;
the multi-end automatic taking and replacing device adopts a split type taking and placing device, the taking and placing end only needs to swing within a 90-degree range to realize taking and placing, the safety and the material replacing efficiency of the numerical control machining center are improved, and the expansibility of rapid switching between single-machine production and production line production is strong.
Drawings
FIG. 1 is a schematic view of the overall structure of a numerical control machining center with automatic loading and unloading provided by the invention;
fig. 2 is a schematic structural view of a material taking and placing device of the numerical control machining center shown in fig. 1.
The reference numerals illustrate:
101. an X transverse axis; 102. a platform moving member; 103. a Z-direction shaft system; 104. y-direction shafting; 105. a first Z-direction shaft system; 106. a second Z-axis; 107. a first pick-and-place swing mechanism; 108. a second picking and placing swing mechanism; 201. a machine tool body; 202. a processing platform; 203. positioning a jig; 204. processing the electric spindle; 205. a cross beam; 206. a Y-direction sliding table; 207. a first lifting sliding table; 208. a second lifting sliding table; 301. a cleaning device; 302. a rack positioning device; 303. a rack device; 304, a blank; 305. finished product material parts; 306. a finished product conveying line; 307. a first overturning suction disc frame; 308. and a second turnover suction cup frame.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1, the numerical control machining center with automatic loading and unloading provided by the invention comprises a numerical control machine, a multi-end automatic material taking and replacing device with a blank taking and placing end and a finished product taking and placing end, and a material rack device;
the material rack device 303 is independent of the numerical control machine tool, is located behind the numerical control machine tool, and combines the directions shown in the figure.
The multi-end automatic material taking and replacing device is erected on a machine tool body of the numerical control machine tool and moves back and forth relative to the machine tool body. The multi-end automatic material taking and replacing device comprises a blank taking and placing end and a finished product taking and placing end, wherein the blank taking and placing end and the finished product taking and placing end move back and forth between a material changing position and an upper material position and a lower material position of the material rack device 303.
Specifically, referring to fig. 1, the numerical control machine tool in this embodiment is a fixed beam gantry type numerical control milling machine tool, and further includes a cross beam 205 and a processing platform 202 with a positioning fixture 203, which is arranged on the machine tool body 201; an X-direction transverse shaft system 101 is arranged on the cross beam 205, a Z-direction shaft system 103 with a Z-direction sliding table is arranged on the sliding table of the X-direction transverse shaft system 101, and a machining electric spindle 204 is arranged on the Z-direction sliding table. Specifically, the beam 205 is a gantry beam, the processing platform 202 is a mobile processing platform, the processing station and the material changing station of the numerical control processing center are respectively arranged on two sides of the beam 205, the material rack device 303 and the multi-end automatic material taking and changing device are both located on the same side of the beam 205, and the material rack device 303 positions the installation position through the material rack positioning device 302.
Referring to fig. 1 again specifically, the multi-end automatic material taking and replacing device is disposed at the rear side of the machine tool bed 201, and is located at the same side of the cross beam 205 as the material rack device 303, and the cross beam 205 is provided with an air blowing cleaning device 301.
Referring to fig. 1 and fig. 2, the above-mentioned multi-end automatic material taking and changing device is a truss type material taking and changing device, which includes a Y-axis 104 erected on a machine tool body 201 and a Y-sliding table 206 arranged on the Y-axis 104; the Y-axis 104 is arranged in a direction parallel to a connecting line from the machining position to the material changing position.
The Y-axis system 104 is higher than the processing plane of the processing platform 202, and the Y-sliding table 206 is provided with a cantilever parallel to the X-axis system 101;
the blank taking and placing end is arranged on the cantilever through a first lifting sliding table 207 and the finished product taking and placing end is arranged on the cantilever through a second lifting sliding table 208, and the first lifting sliding table 207 and the second lifting sliding table 208 are sequentially arranged along the extension direction of the Y-direction shaft system 104 and are symmetrical relative to the cantilever;
the first lifting slide table 207 and the second lifting slide table 208 can move horizontally and vertically relative to the processing platform 202; the first lifting sliding table 207 is provided with a blank taking and placing end, and the second lifting sliding table 208 is provided with a finished product taking and placing end; the blank taking and placing end comprises a first taking and placing swing mechanism 107 arranged on the first lifting sliding table 207 and a blank taking and placing device arranged on the first taking and placing swing mechanism 107, and the blank taking and placing device comprises a first overturning sucker frame 307 and a first sucker device; the finished product taking and placing end comprises a second taking and placing swing mechanism 108 and a finished product taking and placing device which are arranged on a second lifting sliding table 208, and the finished product taking and placing device comprises a second overturning sucker frame 308 and a second sucker device; the amplitude of oscillation of the first and second suction cup means is 0-90 deg..
The following will explain the automatic loading and unloading process of the numerical control machining center with automatic loading and unloading provided by the invention in detail with reference to the specific structure shown in fig. 1 and 2.
Feeding and discharging a first blank:
when the numerical control machine tool starts to process, a first lifting sliding table 207 and a second lifting sliding table 208 of the multi-end automatic material taking and changing device move upwards to limit points; moving the slide table 206 in the Y direction to above the blank reclaiming point; the cleaning device 301 on the cross beam 205 cleans the surface of the processing platform 202 with the positioning fixture 203, and the processing platform 202 is then moved to the material changing position by the platform moving member 102.
After the first lifting sliding table 207 moves downwards to a designated position, the first suction tray on the first turnover suction tray frame 307 sucks the first blank 304, then the first turnover suction tray frame moves upwards to the highest point, and the Y-direction sliding table 206 moves towards the feeding and changing position to a designated position for waiting for feeding.
After receiving a blanking signal, after the first lifting sliding table 207 starts to descend to a safe position, the first picking and placing swing mechanism 107 swings and enables the blank 304 on the first overturning suction cup frame 307 to move to be parallel to the processing platform 202, the first picking and placing swing mechanism 107 then moves downwards along with the first lifting sliding table 207 until the blank 304 is located above the processing platform 202, the distance between the blank 304 and the surface of the processing platform 202 is controlled to be 1mm-3mm, the positioning jig 203 positions the blank 304, a vacuum adsorption device on the processing platform 202 is started and tightly adsorbs the blank 304, the first lifting sliding table 207 moves upwards to a highest point, the first picking and placing swing mechanism 107 resets, and the numerical control machine tool starts to process the blank.
The cycle process of next blank feeding, finished product part feeding, next blank discharging and finished product part discharging is as follows:
next blank feeding, the Y-direction sliding table 206 moves to the material taking position of the material box device 303, and the first lifting sliding table 207 takes down the next blank 304 and moves to the safe position;
finished material part feeding, after the last blank is machined and the surface is cleaned, the Y-direction sliding table 206 is moved to a material changing position, then the second lifting sliding table 208 moves downwards until the finished material part feeding is completed, and then the finished material part feeding is turned over and returned to a safe position;
blanking the next blank: the first lifting sliding table 207 moves downwards, the first taking and placing swing mechanism 107 enables the first overturning sucker frame 307 to be overturned to be parallel to the machining platform 202, the positioning jig 203 positions a next blank 304, the vacuum adsorption device is started to suck the blank tightly, the first lifting sliding table 207 moves upwards to the highest point of the first Z-direction shaft system 105, the first taking and placing swing mechanism 107 swings to enable the first sucker overturning frame 307 to reset, and the numerical control machine starts to machine the next blank;
the next blank feeding, the finished product part feeding, the next blank discharging and the finished product part discharging are repeated until all the blanks in the magazine device 303 are processed.
Blanking process of finished parts:
after the material changing is completed, the second suction cup on the second suction cup turning frame 308 sucks the finished product material piece 305, stays at the highest point of the second Z-direction shaft system 106, and then the Y-direction sliding table 206 moves to the discharging position of the finished product material piece. The second lifting and lowering slide table 208 is lowered to the blanking position, and the finished product part 305 is placed at the designated position.
In the present invention, the finished product material 305 may be placed in the finished product slot of the stack device 303, or the finished product material 305 may be placed on the finished product conveying line 306.
Replacement of the material rack device:
and a system controller of the numerical control machining center sends a replacement signal of the material rack device 303. The stack lock is unlocked and the stack assembly 303 can be removed from the stack positioner 302 by a manual or automated robot, the next full load of blanks 304 is loaded into the stack positioner 302 and the stack lock is locked for the next cycle of automated processing.
In the processing process, the first suction disc device swings anticlockwise until the blank is parallel to the table surface of the processing platform after taking out the blank from the material box device, and the second suction disc device swings anticlockwise until the finished product is in a discharging state after taking out the finished product from the processing platform.
In particular, the above-mentioned blank may be a glass blank, but may of course be other sheet materials that need to be surface-processed.
According to the numerical control machining center with the automatic feeding and discharging functions, the multi-end automatic material taking and changing device is arranged, so that the feeding of the next blank and the discharging of the finished product material piece can be realized when the blank is machined by the numerical control machine tool, the material taking and changing can be carried out in a very short time, the material changing time is saved, and the material changing efficiency is improved; meanwhile, the material rack device is arranged independently of the machine tool body of the numerical control machine tool, the internal space of the machine tool is not occupied, the structure of the numerical control machining center is more compact, and meanwhile, the material rack device is arranged independently of the machine tool body of the numerical control machining center, so that enough feeding and discharging space for large-size plates is provided, and the numerical control machining center is suitable for taking, replacing and machining the large-size plates, particularly the ultra-large-size plates, such as milling and machining ultra-large-size glass.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (8)
1. A numerical control machining center with automatic feeding and discharging comprises a numerical control machine, wherein a machining platform (202) is arranged on a machine tool body (201), and the numerical control machining center is characterized by further comprising a multi-end automatic material taking and changing device and a material rack device (303);
the material rack device (303) is independent of a numerical control machine tool and comprises a blank trough and a finished product trough;
the multi-end automatic material taking and replacing device is erected on the machine tool body (201) and comprises a blank taking and placing end and a finished product taking and placing end;
the numerical control machine further comprises a cross beam (205), an X-direction shaft system (101) with a sliding table and arranged on the cross beam (205), and a Z-direction shaft system (103) with a Z-direction sliding table and arranged on the sliding table;
the multi-end automatic material taking and replacing device is a multi-end truss type material taking and replacing device and comprises a Y-direction shaft system (104) erected on a machine tool body (201) and a Y-direction sliding table (206) arranged on the Y-direction shaft system (104);
the Y-direction shaft system (104) is higher than a machining plane of the machining platform (202), and a cantilever parallel to the X-direction shaft system (101) is arranged on the Y-direction sliding table (206);
the blank taking and placing end is arranged on the cantilever through a first lifting sliding table (207) and the finished product taking and placing end is arranged on the cantilever through a second lifting sliding table (208);
the first lifting sliding table (207) and the second lifting sliding table (208) are sequentially arranged along the extension direction of the Y-direction shaft system (104), are symmetrical relative to the cantilever and move horizontally and vertically relative to the machining plane; a blank taking and placing end is arranged on the first lifting sliding table (207), and a finished product taking and placing end is arranged on the second lifting sliding table (208);
the automatic material taking and replacing device comprises a blank taking and placing end, a finished product taking and placing end, a first lifting sliding table (207) and a second lifting sliding table (208), wherein the blank taking and placing end and the finished product taking and placing end reciprocate between a material changing position of a numerical control machine tool and an upper material position and a lower material position of a material rack device (303), and when the automatic material taking and replacing device is in a processing running state, the first lifting sliding table and the second lifting sliding table respectively correspondingly drive the finished product taking and placing end and the finished product taking and placing end to act sequentially so as to feed a processed finished product material piece to the finished product taking and placing end and feed a next blank to be processed to the numerical control machine tool;
the first lifting sliding table (207) and the second lifting sliding table (208) correspondingly drive the finished product taking and placing end to sequentially move so as to discharge finished product parts to a finished product groove or a finished product conveying line of the material rack device (303) and take down blanks to be processed from a blank groove of the material rack device (303).
2. The numerical control machining center according to claim 1, wherein a machining electric spindle (204) is arranged on the Z-direction sliding table.
3. The numerical control machining center according to claim 1, wherein the blank taking and placing end comprises a first taking and placing swing mechanism (107) fixed on the first lifting sliding table (207) and a blank taking and placing device arranged on the first taking and placing swing mechanism (107), and the blank taking and placing device comprises a first overturning suction cup frame (307) and a first suction cup device; the finished product taking and placing end comprises a second taking and placing swing mechanism (108) and a finished product taking and placing device, wherein the second taking and placing swing mechanism is fixed on a second lifting sliding table (208), and the finished product taking and placing device comprises a second overturning sucker frame (308) and a second sucker device.
4. The numerical control machining center according to claim 3, wherein the first and second suction cup devices have a swing amplitude of 0 to 90 °.
5. The numerical control machining center according to claim 3, characterized in that a blowing cleaning device (301) is arranged on the cross beam (205).
6. The numerically controlled machining center according to claim 4 or 5, further comprising a stack positioning device (302) to position the stack device (303).
7. The automatic feeding and discharging method of the numerical control center comprises the following steps:
feeding and discharging a first blank: in an initial state, the multi-end automatic material taking and replacing device moves to a blank loading position, and the blank taking and placing end picks up a blank and places the blank on a processing platform (202) at the material replacing position;
processing a first blank: the numerical control machine tool processes a blank placed on the processing platform (202);
feeding the next blank: when the numerical control machine tool is in a processing state, the blank taking and placing end of the multi-end automatic taking and replacing device picks up the next blank from the material rack device (303) and moves to a material replacing position;
finished product material part feeding and next blank blanking: after the blank is processed, a finished product part is picked up from the processing platform (202) by a finished product picking and placing end of the multi-end automatic material taking and replacing device, and the next blank is placed on the processing platform (202) by the blank picking and placing end;
blanking of finished material parts: during the process that the numerical control machine tool processes the next blank, the finished product taking and placing end of the multi-end automatic taking and replacing device discharges the finished product part to a finished product groove or a finished product conveying line of the material rack device (303);
after the finished material piece is discharged, the next blank feeding process is executed at a material rack device (303);
the overturning direction of the blank taking and placing end when overturning and blanking to the processing platform (202) is the same as the material taking and overturning direction of the finished product taking and placing end from the processing platform (202).
8. The automated loading and unloading method according to claim 7, wherein the processing platform (202) reciprocates between a processing station and a material change station.
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| CN113510519A (en) * | 2021-06-30 | 2021-10-19 | 东莞市智升智能机械科技有限公司 | Structure of engraving and milling machine |
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| CN107139006A (en) * | 2017-06-21 | 2017-09-08 | 北京精雕科技集团有限公司 | A kind of automatic loading/unloading lathe of machine outside fix |
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| JPS59227361A (en) * | 1983-06-07 | 1984-12-20 | Supiide Fuamu Kk | Surface grinder |
| CN103846762A (en) * | 2012-11-28 | 2014-06-11 | 陈哲雄 | Automatic feeding and blanking mechanism for lens grinder |
| CN106938439A (en) * | 2017-05-09 | 2017-07-11 | 深圳市远洋翔瑞机械有限公司 | It is a kind of can efficient automatic loading/unloading glass grinding tool |
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| CN109774363A (en) * | 2019-03-07 | 2019-05-21 | 宇晶机器（长沙）有限公司 | A kind of mini numerically-controlled machine tool of panel automation loading and unloading processing |
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| CN111300263A (en) * | 2020-04-06 | 2020-06-19 | 东莞市松迈智能科技有限公司 | Feeding and discharging device of polishing machine and polishing disc positioning method |
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