Intelligent feeding and discharging mechanism for CNC machine tool
Technical Field
The invention relates to an intelligent feeding and discharging mechanism for a CNC machine tool, and belongs to the technical field of feeding and discharging of CNC machine tools.
Background
The numerical control machine tool is key equipment widely applied in the metal part manufacturing and processing industry, has higher requirements on processing precision and processing efficiency, and along with the development of numerical control and information technology, automatic production can be realized by adopting a robot to finish loading and unloading of the numerical control machine tool, and the industrial robot has the remarkable characteristics and advantages of high automation degree, good environmental protection, strong practicability and the like, is gradually and widely applied in the mechanical manufacturing industry, and becomes main flow auxiliary equipment for modern mechanical processing.
In the prior art, a multi-axis robot is generally adopted for loading and unloading, and a feeding mode of the robot is carried out manually or by a traditional conveying belt type, so that the feeding precision cannot be ensured, the labor intensity is high, and the working efficiency is low.
In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.
Disclosure of Invention
Aiming at the defects in the background technology, the invention provides the intelligent feeding and discharging mechanism for the CNC machine tool, which can improve the automation degree, the working efficiency and the feeding precision without manual intervention.
In order to solve the technical problems, the invention adopts the following technical scheme:
The intelligent feeding and discharging mechanism for the CNC machine tool comprises a rack, wherein the rack comprises an aluminum alloy frame arranged at the bottom and an upper rack arranged at the top, a robot is arranged on the upper side of the aluminum alloy frame, and a feeding unit and a discharging unit are arranged on the inner side of the aluminum alloy frame side by side;
The feeding unit and the discharging unit have the same structure, and comprise drawer plates, wherein a material tray is stacked above the drawer plates, and the drawer plates are driven by a drawer lifting mechanism to move up and down;
A sucker assembly is correspondingly arranged right above the feeding unit and the discharging unit respectively and is used for sucking the material taking disc;
And a translation assembly is further arranged above the feeding unit and the discharging unit, and the translation assembly enables the tray to be transported between the feeding unit and the discharging unit.
Further, the feeding unit and the discharging unit further comprise vertically arranged mounting vertical plates, the drawer lifting mechanism comprises vertically arranged screw rods, the screw rods are rotatably arranged on one sides, close to the drawer plates, of the mounting vertical plates, the screw rods are driven by a driving system, and the screw rods are in threaded fit with transmission nuts; the drawer plate is slidably mounted on the drawer frame through a drawer slide rail, and the transmission nut is fixedly connected with the drawer frame.
Further, the feeding unit and the discharging unit are arranged side by side back to back, so that the installation vertical plates of the feeding unit and the discharging unit are relatively close to each other, and the drawer plates of the feeding unit and the discharging unit are mutually deviated.
Further, limiting devices are respectively arranged on two sides of the feeding unit and the discharging unit, each limiting device comprises a material disc limiting plate, each material disc limiting plate is vertically arranged on one side of each aluminum alloy upright post, and each aluminum alloy upright post is adjustably arranged on the corresponding fixing base.
Further, a first cylinder which stretches horizontally is arranged at the top end of the aluminum alloy upright post of the limiting device on two sides of the feeding unit, a push plate is fixed on the stretching part of the first cylinder, and the top of the push plate extends inwards to form a horizontal inserting plate.
Further, the sucking disc subassembly includes two rows of sucking discs and jacking cylinder, and two rows of sucking discs set up respectively in the both sides at material loading unit and unloading unit top, and every row of sucking discs is fixed on a horizontal aluminum alloy pole, and the lower extreme of aluminum alloy pole is equipped with jacking cylinder.
Further, the translation subassembly includes layer board and electric jar, the electric jar is installed in one side of material loading unit and unloading unit, one side of layer board is fixed on the sliding seat of electric jar, and the opposite side slidable mounting of layer board is on the translation slide rail.
Further, one side of the frame is provided with a product fine positioning device, the product fine positioning device comprises a supporting seat, a bonding plate is mounted on the supporting seat, and two rows of positioning rollers which form a certain angle are mounted on the surface of the bonding plate.
Further, the angles of the two rows of positioning rollers are the same as the angles between two adjacent side surfaces of the processed product, and a pressing plate is arranged at the upper end of the bonding plate and driven by a second air cylinder.
After the technical scheme is adopted, compared with the prior art, the invention has the following advantages:
1. The feeding unit and the discharging unit are arranged side by side back to back, the sucking disc component is used for sucking the material taking disc, the material taking disc is enabled to be transported between the feeding unit and the discharging unit by the translation component, the material taking disc is translated to the discharging unit from the upper portion of the feeding unit, the supporting plate returns to the feeding unit to take the material taking disc in the processing process, the automation degree is high, the transportation speed is high, and the working efficiency is further improved.
2. Before the robot clamps the processed product and places the processed product into the CNC machine tool, the processed product is placed into the product fine positioning device for accurate positioning. The product fine positioning device can be used for fine positioning of the product, and the feeding precision of the machine tool is improved.
The invention will now be described in detail with reference to the drawings and examples.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic structural view of a loading unit, a unloading unit, a suction cup assembly and a translation assembly;
FIG. 3 is a front view of FIG. 2;
fig. 4 is a perspective view of the loading unit;
FIG. 5 is a perspective view of the spacing device;
FIG. 6 is a perspective view of a product fine positioning device;
Fig. 7 is another angular perspective view of the product precise positioning device.
In the drawing the view of the figure,
The device comprises a 1-frame, a 101-aluminum alloy frame, a 102-upper frame, a 2-robot, a 3-feeding unit, a 4-discharging unit, a 5-drawer plate, a 6-drawer slide rail, a 7-driving system, an 8-screw rod, a 9-mounting vertical plate, a 10-limiting device, a 1001-tray limiting plate, a 1002-aluminum alloy vertical column, a 1003-fixed base, a 11-first cylinder, a 12-push plate, a 1201-horizontal plugboard, a 13-product fine positioning device, a 1301-supporting seat, a 1302-attaching plate, 1303-positioning rollers, 1304-press plates, 1305-second cylinders, 14-processed products, 15-sucker assemblies, 1501-suckers, 1502-jacking cylinders, 16-translation assemblies, 1601-supporting plates, 1602-electric cylinders, 1603-translation slide rails and 17-trays.
Detailed Description
For a clearer understanding of technical features, objects, and effects of the present invention, a specific embodiment of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1-4, the invention provides an intelligent feeding and discharging mechanism for a CNC machine tool, which comprises a frame 1, wherein the frame 1 comprises an aluminum alloy frame 101 arranged at the bottom and an upper frame 102 arranged at the top, a robot 2 is arranged on the upper side of the aluminum alloy frame 101, and a feeding unit 3 and a discharging unit 4 are arranged on the inner side of the aluminum alloy frame 101 side by side;
the feeding unit 3 and the discharging unit 4 have the same structure, and comprise drawer plates 5, a material tray 17 is stacked above the drawer plates 5, and the drawer plates 5 are driven by a drawer lifting mechanism to move up and down;
a sucker assembly 15 is correspondingly arranged right above the feeding unit 3 and the discharging unit 4 respectively, as shown in fig. 2 and 3, and the sucker assembly 15 is used for sucking a material taking disc 17;
A translation assembly 16 is further arranged above the feeding unit 3 and the discharging unit 4, and the translation assembly 16 enables a tray 17 to be transported between the feeding unit 3 and the discharging unit 4.
The feeding unit 3 and the discharging unit 4 further comprise a vertically arranged mounting vertical plate 9, the drawer lifting mechanism comprises a vertically arranged screw rod 8, the screw rod 8 is rotatably arranged on one side, close to the drawer plate 5, of the mounting vertical plate 9, the screw rod 8 is driven by a driving system 7, and the screw rod 8 is in threaded fit with a transmission nut; the drawer plate 5 is slidably mounted on the drawer frame through a drawer slide rail 6, and the transmission nut is fixedly connected with the drawer frame.
The feeding unit 3 and the discharging unit 4 are arranged side by side back to back, so that the installation vertical plates 9 of the feeding unit and the discharging unit are relatively close to each other, and the drawer plates 5 of the feeding unit and the discharging unit are mutually deviated. A tray 17 containing the product to be processed is put in from the drawer plate 5 of the loading unit 3, and the tray 17 containing the processed product is discharged from the drawer plate 5 of the unloading unit 4.
Two sides of the feeding unit 3 and the discharging unit 4 are respectively provided with a limiting device 10, as shown in fig. 5, the limiting device comprises a tray limiting plate 1001, the tray limiting plate 1001 is vertically arranged on one side of an aluminum alloy upright 1002, and the aluminum alloy upright 1002 is adjustably arranged on a fixed base 1003.
The limiting devices 10 on two sides of the feeding unit 3 are provided with the first air cylinders 11 which are horizontally telescopic, the telescopic parts of the first air cylinders 11 are fixedly provided with the push plates 12, the tops of the push plates 12 extend inwards to form the horizontal inserting plates 1201, the first air cylinders 11 push the push plates 12 to move forwards before the sucking disc assemblies 15 above the feeding unit 3 pull up the trays, so that the horizontal inserting plates 1201 are inserted between the two uppermost trays, and the second tray is prevented from being lifted up when the topmost tray is pulled up.
The sucker assembly 15 comprises two rows of suckers 1501 and a jacking cylinder 1502, the two rows of suckers 1501 are respectively arranged on two sides of the tops of the feeding unit 3 and the discharging unit 4, each row of suckers 1501 is fixed on a horizontal aluminum alloy rod, and the jacking cylinder 1502 is arranged at the lower end of the aluminum alloy rod.
The translation assembly 16 comprises a supporting plate 1601 and an electric cylinder 1602, the electric cylinder 1602 is mounted on one side of the feeding unit 3 and the discharging unit 4, one side of the supporting plate 1601 is fixed on a sliding seat of the electric cylinder 1602, and the other side of the supporting plate 1601 is slidably mounted on a translation sliding rail 1603.
The sucking disc 1501 of the sucking disc assembly 15 at the upper end of the feeding unit 3 sucks the material taking disc 17 and pulls up, the translation assembly 16 is driven by the electric cylinder 1602 to drive the supporting plate 1601 to move below the material taking disc 17 of the feeding unit 3, the sucking disc 1501 releases the material taking disc 17, the supporting plate 1601 transfers the material taking disc 17 to the discharging unit 4, the sucking disc 1501 of the sucking disc assembly 15 at the upper end of the discharging unit 4 sucks the material taking disc 17, and at the moment, the supporting plate 1601 returns to the feeding unit 3 to take the material taking disc; the robot 2 grabs the product on the material taking disc 17 to the CNC machine tool, and after the processing is completed, the product is put back on the material taking disc 17 positioned at the material discharging unit 4, and after the processing of the processed product on the material taking disc 17 is completed, the drawer plate 5 of the material discharging unit 4 moves downwards, so that the material taking disc 17 is stacked on the drawer plate 5 of the material discharging unit 4. The tray 17 translates to the unloading unit 4 from the material loading unit 3 top, and the layer board 1601 returns to the material loading unit 3 again to get the tray 17 in the course of working, and degree of automation is high, and transfer speed is fast, makes work efficiency further improve.
One side of the frame 1 is provided with a product fine positioning device 13, as shown in fig. 6 and 7, the product fine positioning device 13 comprises a support seat 1301, a bonding plate 1302 is mounted on the support seat 1301, and two rows of positioning rollers 1303 with a certain angle are mounted on the surface of the bonding plate 1302.
The angle of the two rows of positioning rollers 1303 is the same as the angle between two adjacent sides of the work product 14, and a pressing plate 1304 is provided at the upper end of the laminating plate 1302, and the pressing plate 1304 is driven by a second cylinder 1305. The robot 2 now places the machined product 14 into the product accurate positioning device 13 for accurate positioning before placing the machined product 14 into the CNC machine. The product can be precisely positioned through the product precise positioning device 13, and the feeding precision of the machine tool is improved.
A gripping mechanism is mounted on top of the robot 2, and a vision system is mounted on the upper frame 102 for recognizing the position of the processed product.
In one embodiment of the present invention, the processed product 14 is a tablet computer cover, although other products with other shapes are also possible.
The specific working principle of the invention is as follows:
The feeding unit 3 and the discharging unit 4 are arranged side by side back to side, during feeding, the drawer plate 5 of the feeding unit 3 is pulled out, a stack of trays 17 containing processed products 14 are placed on the drawer plate 5 of the feeding unit 3, the drawer plate 5 drives the trays 17 to move upwards under the drive of the drawer lifting mechanism, the suction disc 1501 of the suction disc assembly 15 at the upper end of the feeding unit 3 sucks the trays 17 and pulls upwards, the translation assembly 16 drives the supporting plate 1601 to move below the trays 17 of the feeding unit 3 under the drive of the electric cylinder 1602, the suction disc 1501 releases the trays 17, the supporting plate 1601 transfers the trays 17 to the discharging unit 4, and the suction disc 1501 of the suction disc assembly 15 at the upper end of the discharging unit 4 sucks the trays 17, and at the moment, the supporting plate 1601 returns to the feeding unit 3 to suck the trays; after the robot 2 grabs the products on the tray 17 of the blanking unit 4 to be accurately positioned in the product fine positioning device 13, the products are put into a CNC machine tool, the products are put back onto the tray 17 positioned at the blanking unit 4 after being processed, after all the processed products on the tray 17 are processed, the sucking discs 1501 of the blanking unit loosen the tray 17, the drawer plate 5 of the blanking unit 4 moves downwards, the tray 17 is stacked on the drawer plate 5 of the blanking unit 4, and the blanking is repeated.
The foregoing is illustrative of the best mode of carrying out the invention, and is not presented in any detail as is known to those of ordinary skill in the art. The protection scope of the invention is defined by the claims, and any equivalent transformation based on the technical teaching of the invention is also within the protection scope of the invention.