CN109848777B - Safe surface polishing workstation and polishing method thereof - Google Patents
Safe surface polishing workstation and polishing method thereof Download PDFInfo
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- CN109848777B CN109848777B CN201910241238.6A CN201910241238A CN109848777B CN 109848777 B CN109848777 B CN 109848777B CN 201910241238 A CN201910241238 A CN 201910241238A CN 109848777 B CN109848777 B CN 109848777B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a safe surface polishing workstation which comprises a polishing dustproof room, a sand changing table, a robot, four-head polishing heads, a first rotary table, a second rotary table, a first rolling door, a second rolling door and an electric cabinet, wherein the first rolling door and the second rolling door are arranged on the left side and the right side of the polishing dustproof room in a one-to-one correspondence manner; the first turntable and the second turntable are arranged left and right, the robot is positioned in the middle of the first turntable and the second turntable, the sand changing table is positioned in front of the robot, and the four-head polishing heads are arranged on a mechanical arm of the robot; the electric appliance cabinet is arranged outside the polishing dustproof house, the robot control cabinet is arranged on the electric appliance cabinet and controls the running track of the robot, so that the switching polishing of the abrasive paper with two meshes can be realized, and the working efficiency is improved. The invention also discloses a polishing method of the safe surface polishing workstation.
Description
Technical Field
The invention relates to a safe surface polishing workstation and a polishing method thereof.
Background
In China, the application of the robot in the metal polishing is still in a state of just starting, the earlier companies of starting concentrate technical forces on the research and development of related matched products of polishing of hardware small pieces at present, and more common work stations are the application of the robot for clamping the hardware small pieces to a belt sander or a polishing machine for polishing. In domestic market, the demand of polishing to large-scale work piece is not inferior to the demand of hardware smalls, and the product is concentrated in fields such as auto spare and accessory parts, engineering machinery, aerospace, mould bathroom, compares in the big low profit in batches of hardware smalls, and the product added value of this kind of large-scale work piece is higher, possesses the purchasing power of the workstation of middle-high end, classifies in middle-high end customer group. For such workstations, the basic configuration is robots, sanding heads, work tables (fixed or rotary), tool changing tables for automatic switching of tools for different processes of the same kind of product or for different processes of different products, and sand changing tables for automatic replacement of sand paper for products requiring sand paper for the sanding process.
At present, the automatic sand changing platform on the market in China basically carries out automatic sand changing aiming at a single grinding head, cannot synchronously change the sand paper of a plurality of grinding heads, and also comprises three key steps of detection, tearing and sand sticking, but in the aspect of detection, the automatic sand changing platform on the market only detects whether the sand paper exists or not, but cannot detect the abrasion degree of the sand paper, and cannot carry out abrasion degree judgment, and the logic algorithm has no error proofing logic of tearing the sand sticking paper, so that the success rate of tearing the sand paper and sticking the sand paper is reduced; for automatic sand paper tearing, the principle is also to use a pneumatic pressing mode, a pressing mechanism is only in the form of a pressing block and the like, is not in the form of a pressing needle, and the angle of a sand disc and sand paper is not considered in the design process.
Moreover, the phenomenon of sticking sand paper generally exists in the sand changing table (the mechanism for automatically sticking sand paper) on the market, the situation of sticking 2-3 pieces of sand paper at a time is common, and the sand paper with a single head is stuck, so that the use requirement of customers cannot be met in terms of functions and effectiveness. Moreover, at present, the success rate of tearing sand paper by a sand paper tearing mechanism of a sand paper changing table on the surface can reach 90% and is less, and the phenomenon that sand paper is stuck and torn to influence the adhesion of old sand paper is common.
The safe surface is made of carbon steel, and polishing requirements are as follows: polishing 4 surfaces of the safe, and a polishing process: after 60# abrasive paper is polished, 100# abrasive paper is used for covering, so that fine scratches on the surface and rust after pickling are removed, a reasonable safe surface polishing workstation is lacked at present, and if an existing single polishing head and an automatic sand changing table for the single polishing head on the market are adopted for polishing the safe surface, time and labor are consumed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a safe surface polishing workstation which can realize the switching polishing of two meshes of sand paper and improve the working efficiency.
It is another object of the present invention to provide a method of polishing a safe surface polishing station.
The technical scheme for achieving the purpose is as follows: the utility model provides a workstation of polishing of safe deposit box surface, includes dustproof room, trade sand table, robot, four polishing heads, first revolving stage, second revolving stage, first rolling slats door, second rolling slats door, electrical cabinet of polishing, wherein:
the first rolling doors and the second rolling doors are arranged on the left side and the right side of the polishing dustproof room in a one-to-one correspondence manner;
the sand changing table, the robot, the first rotary table and the second rotary table are respectively arranged in the polishing dustproof room, the first rotary table and the second rotary table are arranged left and right, the robot is positioned in the middle of the first rotary table and the second rotary table, the sand changing table is positioned in front of the robot, and the four-head polishing heads are arranged on a mechanical arm of the robot;
the electric appliance cabinet is arranged outside the polishing dustproof house and is connected with the sand changing table, the robot, the four-head polishing head, the first rotary table and the second rotary table, and a robot control cabinet is arranged on the electric appliance cabinet and controls the running track of the robot;
the sand changing table comprises a base, a box body, a dust cover, a sand bonding paper mechanism, a sand paper detection device, a sand paper tearing mechanism and a sand receiving box, wherein the box body is arranged on the base; the dustproof cover is connected to the top end of the box body in an openable and closable manner; the top end of the box body is provided with a sand-bonding mounting seat, and the sand paper detection device and the sand-bonding paper mechanism are respectively arranged on the sand-bonding mounting seat; the top end of the front side plate of the box body is provided with a sand pulling installation seat, and the sand pulling installation seat is positioned right in front of the sand bonding installation seat; the sand paper tearing mechanism is arranged on the sand paper tearing installation seat; the sand receiving box is detachably arranged on the front side of the sand pulling installation seat;
the sand-bonding paper mechanism comprises two groups of sand paper placing assemblies which are arranged in sequence, each group of sand paper placing assemblies comprises a sand paper separating mounting plate and four sand paper storage tanks, and the sand paper separating mounting plates are embedded into the top ends of the sand-bonding mounting seats; the four sand paper storage grooves are sequentially arranged on the sand paper separation mounting plate from left to right; four guide posts which are vertically arranged are uniformly distributed in each sand paper storage groove; a sand ejection plate is horizontally arranged in each sand paper storage groove, the sand ejection plate is positioned in the middle of the four guide posts, a sand discharge disc is arranged in each sand paper storage groove, and the sand discharge disc is positioned right above the corresponding sand ejection plate; the bottom of each sand paper storage groove is provided with a sand ejection cylinder; the sand ejection cylinder is connected with the corresponding sand ejection plate; the sand ejection cylinder drives the sand ejection plate to move up and down, and the sand ejection plate drives the sand discharge disc to move up and down in the middle of the four guide posts; four sand ejection cylinders corresponding to each group of sand paper placing components synchronously move;
the four sand paper storage grooves of each sand paper placing component are internally provided with the back sand paper with the same number of meshes; the number of the sand paper placed in the four sand paper storage grooves of one group of sand paper placing components is different from the number of the sand paper placed in the four sand paper storage grooves of the other group of sand paper placing components;
the sand paper detection device is arranged between the two groups of sand paper placing components and comprises four groups of sensors which are sequentially arranged from left to right, and each group of sensors comprises a detection sensor and a color sensor;
the sand paper tearing mechanism comprises four sand tearing assemblies which are sequentially arranged from left to right, each sand tearing assembly comprises a mounting sealing plate, a sand tearing pressing plate, a sand tearing cylinder, a sand tearing pushing plate, a contact pin mounting block and a pressing cylinder, the mounting sealing plate is fixed on the sand tearing mounting seat, the sand tearing pressing plate is arranged at the rear upper part of the mounting sealing plate, and the sand tearing pushing plate is arranged on the mounting sealing plate; the sand pulling cylinder and the pressing cylinder are respectively fixed at the bottom of the mounting sealing plate; the sand pulling cylinder is connected with the sand pulling push plate and drives the sand pulling push plate to move back and forth; the contact pin mounting block is arranged between the mounting sealing plate and the sand pulling pressing plate and is connected with the sand pulling pushing plate; the front end of the contact pin mounting block is provided with a plurality of contact pins side by side, and the front ends of the contact pins are conical; the pressing cylinder is connected with the contact pin mounting block and drives the contact pin mounting block to move up and down; the sand tearing cylinders of the four sand tearing assemblies synchronously move; and the compression cylinders of the four sand tearing assemblies synchronously move.
The safe surface polishing workstation comprises a group of sand paper placing components, wherein the number of sand paper placed in four sand paper storage grooves of the group of sand paper placing components is 60 meshes; the number of the sand paper placed in the four sand paper storage grooves of the other sand paper placing component is 100 meshes.
According to the safe surface polishing workstation, the throttle valve is arranged on the sand pulling cylinder; handles are respectively arranged on the left side and the right side of the sand receiving box; a magnetic valve mounting seat is arranged in the base, and an electromagnetic valve group is arranged on the magnetic valve mounting seat; all sand jacking cylinders of the sand bonding paper mechanism are positioned in the box body, and a split door is arranged at the front side of the box body; the rear end of the dust cover is connected to the rear part of the top end of the box body through a hinge, a flip cylinder is arranged in the box body, and an output shaft of the flip cylinder is connected with the dust cover through a fish eye joint and a lock nut.
The invention also provides a polishing method of the safe surface polishing workstation, which comprises the following steps:
s1, polishing a safe on a first turntable, wherein the polishing step specifically comprises the following steps:
s11, a first rotary table feeding step: feeding the first turntable through the first roller shutter door by workers, and mounting the safe to be polished on the first turntable;
s12, a first polishing step: pressing a starting key on a robot control cabinet, moving the four-head polishing heads to the first rotary table by the robot, performing four-head linkage polishing on the safe on the first rotary table by the four-head polishing heads, wherein 60-mesh sand paper is adopted for sand paper on each sand table on the four-head polishing heads, the first rotary table drives the safe on the four-head polishing heads to rotate, and performing first polishing on four surfaces of the safe on the first rotary table by the four-head polishing heads;
s13, sand replacement: after the first polishing of the four surfaces of the safe box on the first turntable is finished, the robot moves the four polishing heads to the sand changing table for sand changing, and the sand changing table changes sand paper on each sand table on the four polishing heads into 100-mesh sand paper;
s14, a second polishing step: after the sand replacement is finished, the robot moves the four-head polishing heads to the first rotating table for second covering polishing, and after the second covering polishing is finished, the robot moves the four-head polishing heads to the sand replacement table again for sand replacement, and sand paper on each sand table on the four-head polishing heads is replaced by 60-mesh sand paper;
s2, polishing the safe on the second turntable: in the process of carrying out the polishing step of the safe on the first turntable, a worker enters the second turntable through the second roller shutter door to carry out manual feeding, another safe to be polished is installed on the second turntable, reserved polishing operation is carried out on the electric cabinet after the feeding is finished, and after the polishing of the safe on the first turntable is finished, the robot moves four polishing heads with 60-mesh sand paper replaced to the second turntable to carry out first polishing; after the first polishing is finished, the robot moves the four polishing heads to the sand changing table to change sand, and the sand changing table changes sand paper on each sand table on the four polishing heads into 100-mesh sand paper; after the sand replacement is finished, the robot moves the four-head polishing heads to the second rotary table to carry out second-pass coverage polishing, after the second-pass coverage polishing is finished, the robot moves the four-head polishing heads to the sand replacement table again to replace sand, and sand paper on each sand table on the four-head polishing heads is replaced by 60-mesh sand paper.
By adopting the technical scheme of the safe surface polishing workstation and the polishing method thereof, the switching polishing of the two kinds of abrasive paper can be realized, and the working efficiency is improved.
Drawings
FIG. 1 is a block diagram of a safe surface finishing station of the present invention;
FIG. 2 is a perspective view of a sand changing station of a safe surface polishing workstation of the present invention;
FIG. 3 is a top view of a sand changing station of a safe surface finishing station of the present invention;
FIG. 3a is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 3B is an enlarged view of part B of FIG. 3;
FIG. 3C is an enlarged view of part C of FIG. 3;
FIG. 4 is a top view of a sandpaper tearing mechanism of the changing station;
FIG. 4a is a bottom view of the sandpaper tearing mechanism of the changing station;
FIG. 4b is a side view of a sandpaper tearing mechanism of the changing station;
FIG. 4c is a schematic illustration of the construction of a single sand tearing assembly of the sand paper tearing mechanism of the sand changing station;
FIG. 5 is a view showing the state of use of the polishing station for the safe surface in the case of tearing sand paper
Fig. 6 is a view showing a state of use of the safe surface polishing workstation of the present invention when the safe surface polishing workstation is used for sand bonding paper.
Detailed Description
In order to enable those skilled in the art to better understand the technical scheme of the present invention, the following detailed description is provided with reference to the accompanying drawings:
referring to fig. 1, a safe surface polishing workstation according to an embodiment of the present invention includes a polishing dust room 800, a sand changing table 900, a robot 100, a four-head polishing head 200, a first turntable 300, a second turntable 400, a first roller shutter door 500, a second roller shutter door 600, and an electrical cabinet 700.
The first and second roller doors 500 and 600 are installed at the left and right sides of the grinding dust room 800 in one-to-one correspondence; the sand changing table 900, the robot 100, the first rotary table 300 and the second rotary table 400 are respectively arranged in the polishing dust-proof room 800, the first rotary table 300 and the second rotary table 400 are arranged left and right, the robot 100 is positioned in the middle of the first rotary table 300 and the second rotary table 400, the sand changing table 900 is positioned right in front of the robot 100, and the four-head polishing head 200 is arranged on a mechanical arm of the robot 100; the electrical cabinet 700 is arranged outside the polishing dustproof house 800, the electrical cabinet 700 is connected with the sand changing table 900, the robot 100, the four-head polishing head 200, the first rotary table 300 and the second rotary table 400, and a robot control cabinet is arranged on the electrical cabinet 700 and controls the running track of the robot 100.
The sand changing table 900 comprises a base 1, a box body 2, a dust cover 3, a sand bonding paper mechanism 5, a sand paper detection device 7, a sand paper tearing mechanism 6 and a sand receiving box 4.
The box body 2 is arranged on the base 1; a magnetic valve mounting seat 11 is arranged in the base 1, and an electromagnetic valve group 12 is arranged on the magnetic valve mounting seat 11.
The dust cover 3 is connected to the top end of the box body 2 in an openable and closable manner; the rear end of the dust cover 3 is connected to the rear part of the top end of the box body 2 through a hinge 31, a flip cylinder 34 is arranged in the box body 2, and an output shaft of the flip cylinder 34 is connected with the dust cover 3 through a fisheye joint 32 and a lock nut 33.
The top end of the box body 2 is provided with a sand-bonding mounting seat 21, and the sand paper detection device 7 and the sand-bonding paper mechanism 5 are respectively arranged on the sand-bonding mounting seat 21; the top end of the front side plate of the box body 2 is provided with a sand pulling installation seat 22, and the sand pulling installation seat 22 is positioned right in front of the sand bonding installation seat 21; the sand paper tearing mechanism 6 is arranged on the sand pulling installation seat 22.
The sand receiving box 4 is detachably arranged on the front side of the sand pulling installation seat 22; handles 41 are provided on the left and right sides of the sand receiving box 4, respectively.
The sand-bonding paper mechanism 5 comprises two groups of sand paper placing components which are arranged in sequence, each group of sand paper placing components comprises a sand paper separating mounting plate 51 and four sand paper storage grooves 52, and the sand paper separating mounting plate 51 is embedded into the top end of the sand-bonding mounting seat 21; the four sand paper storage grooves 52 are provided in order from left to right on the sand paper separation mounting plate 51; four guide posts 53 which are vertically arranged are uniformly distributed in each sand paper storage groove 52; a sand ejecting plate 55 is horizontally arranged in each sand paper storage groove 51, the sand ejecting plate 55 is positioned in the middle of the four guide posts 53, a sand placing disc 56 is arranged in each sand paper storage groove 51, and the sand placing disc 56 is positioned right above the corresponding sand ejecting plate 55; the bottom of each sand paper storage groove 51 is provided with a sand ejection cylinder 54; the sand ejection cylinder 54 is connected with a corresponding sand ejection plate 55; the sand ejection cylinder 54 drives the sand ejection plate 55 to move up and down, and the sand ejection plate 55 drives the sand discharge disc 56 to move up and down in the middle of the four guide posts 53; the four sand jacking cylinders 54 corresponding to each group of sand paper placing components synchronously move; the four sand paper storage grooves 52 of each sand paper placing component are internally provided with the back-pile sand paper with the same mesh number; the number of the sand paper placed in the four sand paper storage grooves of one group of sand paper placing components is different from the number of the sand paper placed in the four sand paper storage grooves of the other group of sand paper placing components, for example, the number of the sand paper placed in the four sand paper storage grooves of one group of sand paper placing components is 60; the mesh number of the sand paper placed in the four sand paper storage grooves of the other group of sand paper placing components is 100 meshes, so that the switching sand bonding of the sand paper with two mesh numbers can be realized. All sand ejection cylinders 54 of the sand bonding paper mechanism are positioned in the box body 2, and the front side of the box body 2 is provided with a split door, so that parts inside the box body 2 can be overhauled conveniently.
The sand paper detecting device 7 is arranged between the two groups of sand paper placing components, and comprises four groups of sensors which are sequentially arranged from left to right, and each group of sensors comprises a detection sensor 71 and a color sensor 72. The color sensor 72 is used to determine whether or not the coated abrasive is old or new. The detection sensor 71 is used to detect whether the sandpaper tearing mechanism 6 tears clean sandpaper.
The sand paper tearing mechanism 6 comprises four sand tearing assemblies which are sequentially arranged from left to right, each sand tearing assembly comprises a mounting sealing plate 61, a sand tearing pressing plate 62, a sand tearing cylinder 63, a sand tearing pushing plate 64, a contact pin mounting block 65 and a pressing cylinder 66, the mounting sealing plate 61 is fixed on the sand tearing mounting seat 22, the sand tearing pressing plate 62 is arranged at the rear upper part of the mounting sealing plate 61, and the sand tearing pushing plate 64 is arranged on the mounting sealing plate 61; the sand pulling cylinder 63 and the pressing cylinder 66 are respectively fixed at the bottom of the mounting sealing plate 61; the sand pulling cylinder 63 is connected with the sand pulling push plate 64, and the sand pulling cylinder 63 drives the sand pulling push plate 64 to move back and forth; the contact pin mounting block 65 is arranged between the mounting sealing plate 61 and the sand pulling pressing plate 62, and the contact pin mounting block 65 is connected with the sand pulling pushing plate 64; the front end of the pin mounting block 65 is provided with a plurality of pins 67 side by side, and the front ends of the pins 67 are conical, so that when the sand pulling cylinder 63 drives the sand pulling push plate 64 to move forwards and backwards, the pin mounting block 65 also moves forwards and backwards to drive the pins 67 to move forwards and backwards; the pressing air cylinder 66 is connected with the contact pin mounting block 65, and the pressing air cylinder 66 drives the contact pin mounting block 65 to move up and down so as to drive the contact pin 67 to move up and down; the sand tearing cylinders 63 of the four sand tearing assemblies synchronously move; the hold down cylinders 66 of the four tear sand assemblies move in synchronism. The sand pulling cylinder 63 is provided with a throttle valve 68.
The polishing method of the safe surface polishing workstation comprises the following steps:
s1, polishing a safe on a first turntable, wherein the polishing step specifically comprises the following steps:
s11, a first rotary table feeding step: a worker loads the safe 301 to be polished on the first turntable 300 by entering the first turntable 300 through the first roller shutter door 500;
s12, a first polishing step: pressing a start key on the robot control cabinet 700, moving a four-head polishing head 200 to a first rotary table 300 by the robot 100, performing four-head linkage polishing on a safe 301 on the first rotary table 300 by the four-head polishing head 200, firstly adopting 60-mesh sand paper on each sand table on the four-head polishing head 200, driving the safe 301 on the first rotary table 300 to rotate, and performing first polishing on four surfaces of the safe on the first rotary table 300 by the four-head polishing head 200;
s13, sand replacement: after finishing the first polishing of the four surfaces of the safe on the first turntable 300, the robot 100 moves the four-head polishing head 200 to the sand changing table 900 to change sand, and the sand changing table 900 changes the sand paper on each sand table on the four-head polishing head 200 into 100-mesh sand paper;
s14, a second polishing step: after the sand replacement is finished, the robot 100 moves the four-head polishing head 200 to the first rotating table 300 for second covering polishing, after the second covering polishing is finished, the robot 100 moves the four-head polishing head 200 to the sand replacement table 900 again for sand replacement, and sand on each sand table on the four-head polishing head 200 is replaced by 60-mesh sand paper;
s2, polishing the safe on the second turntable: in the process of carrying out the safe polishing step on the first turntable 300, a worker enters the second turntable 400 through the second roller shutter door 600 to carry out manual feeding, another safe 401 to be polished is arranged on the second turntable 400, reserved polishing operation is carried out on the electric cabinet after the feeding is finished, and when the safe polishing on the first turntable 300 is finished, the robot 100 moves the four-head polishing head 200 with the 60-mesh sand paper replaced to the second turntable 400 to carry out first polishing; after finishing the first polishing, the robot 100 moves the four-head polishing head 200 to the sand changing table 900 to change sand, and the sand changing table 900 changes the sand paper on each sand table on the four-head polishing head 200 into 100-mesh sand paper; after the sand replacement is finished, the robot 100 moves the four-head polishing head 200 to the second rotary table 400 for second-time covering polishing, after the second-time covering polishing is finished, the robot 100 moves the four-head polishing head to the sand replacement table 900 again for sand replacement, and sand paper on each sand table on the four-head polishing head 200 is replaced by 60-mesh sand paper.
In the polishing step process of the safe on the second turntable of the S2, the worker can perform the feeding step of the first turntable of the S11, so that uninterrupted polishing operation of the robot can be realized, and the working efficiency is improved.
In the safe surface polishing workstation of the invention, when using the sand changing table to change sand, each cylinder of the sand changing table communicates with the robot 100, and the working flow is as follows: waiting to receive a sand paper changing signal of the robot 100, after receiving the sand paper changing signal, synchronously opening a dust cover 3 of an automatic sand paper changing platform in the running process of the robot 100, clamping four polishing heads 200 by the robot 100 to a sand paper detecting device 7 of the sand paper changing platform for sand paper detection, configuring 4 color sensors 72 according to the number of the polishing heads, having protection grades of IP67, setting different grades through a program to judge whether the sand paper on the polishing heads 200 is old or new or not, transmitting the signal to the robot 100 through bus communication to carry out the next process after judging, and automatically running the robot 100 to the next process after judging without tearing the sand paper; after judging, the sand paper is required to be replaced, the robot runs to the sand paper tearing mechanism 6 to perform the action of synchronously tearing the sand paper by 4 heads, the contact pins 67 of the four sand tearing assemblies are controlled in a linkage mode through the air cylinders, the taper of the front ends of the contact pins 67 is regulated in a non-standard mode according to the edge angle of the sand table and the fitting degree of the sand paper and the sand table magic tape, and the sand paper tearing success rate reaches 100% through repeated testing, the contact pins 67 of the four sand tearing assemblies are inserted into and pressed on the adhering surface of the sand table and the sand paper of the four sand tearing heads 200 in a one-to-one correspondence mode under the driving of the sand tearing air cylinders 63 and the pressing air cylinders 66, and the robot 100 controls the four sand polishing heads 200 to rotate clockwise slowly in the sand paper tearing process, so that the sand paper is torn off in an auxiliary mode; after the sand paper is torn off, the robot moves to the sand paper detection device 7 again to detect the sand paper, if the detection sensor 71 detects that any sand paper of the four polishing heads is not completely torn off, the process of tearing the sand paper is continuously executed, and if the detection sensor detects that all sand paper of the four polishing heads is torn off, the process of sticking the sand paper is executed; the robot 100 moves the four-head sanding head 200 to the sand-bonding paper mechanism 5, the automatic sand-bonding mechanism is composed of two groups of sand paper placing components and a pneumatic executing mechanism, the positions of the 4 sand-discharging discs of each group of sand paper placing components are designed according to the disc distance of the sand discs of the four-head sanding head, each sand-discharging disc 56 moves up and down through the sand jacking cylinder 54 and the guide post 53, when the robot moves to a sand-bonding station, namely the position of the four-head sanding head 200 perpendicular to the corresponding sand paper placing components, the sand discs of the four-head sanding head 200 are in one-to-one correspondence with the 4 sand-discharging discs 56, the distance from the sand-discharging disc position is about 5mm, the robot 100 sends a sand-bonding instruction, the sand-discharging discs 56 of the sand changing table are driven by the sand jacking cylinder 54, the 4 sand-discharging discs 56 of the corresponding group are synchronously lifted to the sand paper bonding position for sand paper bonding, after the bonding is completed, the robot 100 is moved down by a certain distance, the sand-bonding preventing sand paper mechanism is used for removing redundant sand paper, so that a plurality of sand paper bonding phenomena cannot exist, the robot 100 is moved to the detection device 7 again for detecting the positions, if the four sand heads are detected, the four sand heads are not bonded, and the four sand heads are carried out, and the procedure is carried out continuously if the four sand grinding heads are carried out.
The sand changing table 900 is an extension of the CS-CP01 sand changing table, and can simultaneously and synchronously perform automatic detection, automatic sand tearing and automatic sand bonding on four polishing heads, the detection accuracy can reach 99%, the new sand paper and the old sand paper and the abrasion degree can be detected, so that whether the sand paper needs to be changed or not is judged, the sand paper tearing success rate can be ensured to be 100% by matching with a special pin type sand paper tearing mechanism with a programming track of an ASD special robot, at present, the sand paper tearing success rate of the sand paper tearing mechanism on the market can reach 90% but less, the phenomenon that sand paper is stuck and broken to affect the adhesion of old sand paper is ubiquitous, the automatic sand changing table not only can simultaneously detect the sand paper on four sand plates, but also can ensure the success rate of the sand paper to be torn simultaneously on four heads, and refer to fig. 5, and the sand paper tearing machine for four heads to perform four-head synchronous sand paper tearing operation. After the sand paper is torn, sand paper sticking action is needed, the automatic sand changing platform supports 4-head synchronous sand paper sticking, the sand paper sticking accuracy rate can reach 100% by combining the programming track of the sand paper sticking by a special robot of an ASD (automatic sand device) and an anti-sticking sand paper mechanism, the sand paper sticking phenomenon is common in the mechanism for automatically sticking sand paper on the market, the situation of sticking 2-3 sand papers at one time is common, and the sand paper sticking is single-head sand paper sticking, and the sand paper sticking machine cannot be compared with the automatic sand changing platform in function and utility. Please refer to fig. 6, which illustrates the four-head synchronous paper bonding operation from the four-head polishing head to the sand changing table.
In summary, the safe surface polishing workstation and the polishing method thereof can realize the switching polishing of two meshes of sand paper and improve the working efficiency.
It will be appreciated by persons skilled in the art that the above embodiments are provided for illustration only and not for limitation of the invention, and that variations and modifications of the above described embodiments are intended to fall within the scope of the claims of the invention as long as they fall within the true spirit of the invention.
Claims (4)
1. The utility model provides a safe deposit box surface workstation of polishing, its characterized in that, including polishing dustproof house, trade sand platform, robot, four head polishing heads, first revolving stage, second revolving stage, first rolling slats door, second rolling slats door, electrical cabinet, wherein:
the first rolling doors and the second rolling doors are arranged on the left side and the right side of the polishing dustproof room in a one-to-one correspondence manner;
the sand changing table, the robot, the first rotary table and the second rotary table are respectively arranged in the polishing dustproof room, the first rotary table and the second rotary table are arranged left and right, the robot is positioned in the middle of the first rotary table and the second rotary table, the sand changing table is positioned in front of the robot, and the four-head polishing heads are arranged on a mechanical arm of the robot;
the electric appliance cabinet is arranged outside the polishing dustproof house and is connected with the sand changing table, the robot, the four-head polishing head, the first rotary table and the second rotary table, and a robot control cabinet is arranged on the electric appliance cabinet and controls the running track of the robot;
the sand changing table comprises a base, a box body, a dust cover, a sand bonding paper mechanism, a sand paper detection device, a sand paper tearing mechanism and a sand receiving box, wherein the box body is arranged on the base; the dustproof cover is connected to the top end of the box body in an openable and closable manner; the top end of the box body is provided with a sand-bonding mounting seat, and the sand paper detection device and the sand-bonding paper mechanism are respectively arranged on the sand-bonding mounting seat; the top end of the front side plate of the box body is provided with a sand pulling installation seat, and the sand pulling installation seat is positioned right in front of the sand bonding installation seat; the sand paper tearing mechanism is arranged on the sand paper tearing installation seat; the sand receiving box is detachably arranged on the front side of the sand pulling installation seat;
the sand-bonding paper mechanism comprises two groups of sand paper placing assemblies which are arranged in sequence, each group of sand paper placing assemblies comprises a sand paper separating mounting plate and four sand paper storage tanks, and the sand paper separating mounting plates are embedded into the top ends of the sand-bonding mounting seats; the four sand paper storage grooves are sequentially arranged on the sand paper separation mounting plate from left to right; four guide posts which are vertically arranged are uniformly distributed in each sand paper storage groove; a sand ejection plate is horizontally arranged in each sand paper storage groove, the sand ejection plate is positioned in the middle of the four guide posts, a sand discharge disc is arranged in each sand paper storage groove, and the sand discharge disc is positioned right above the corresponding sand ejection plate; the bottom of each sand paper storage groove is provided with a sand ejection cylinder; the sand ejection cylinder is connected with the corresponding sand ejection plate; the sand ejection cylinder drives the sand ejection plate to move up and down, and the sand ejection plate drives the sand discharge disc to move up and down in the middle of the four guide posts; four sand ejection cylinders corresponding to each group of sand paper placing components synchronously move;
the four sand paper storage grooves of each sand paper placing component are internally provided with the back sand paper with the same number of meshes; the number of the sand paper placed in the four sand paper storage grooves of one group of sand paper placing components is different from the number of the sand paper placed in the four sand paper storage grooves of the other group of sand paper placing components;
the sand paper detection device is arranged between the two groups of sand paper placing components and comprises four groups of sensors which are sequentially arranged from left to right, and each group of sensors comprises a detection sensor and a color sensor;
the sand paper tearing mechanism comprises four sand tearing assemblies which are sequentially arranged from left to right, each sand tearing assembly comprises a mounting sealing plate, a sand tearing pressing plate, a sand tearing cylinder, a sand tearing pushing plate, a contact pin mounting block and a pressing cylinder, the mounting sealing plate is fixed on the sand tearing mounting seat, the sand tearing pressing plate is arranged at the rear upper part of the mounting sealing plate, and the sand tearing pushing plate is arranged on the mounting sealing plate; the sand pulling cylinder and the pressing cylinder are respectively fixed at the bottom of the mounting sealing plate; the sand pulling cylinder is connected with the sand pulling push plate and drives the sand pulling push plate to move back and forth; the contact pin mounting block is arranged between the mounting sealing plate and the sand pulling pressing plate and is connected with the sand pulling pushing plate; the front end of the contact pin mounting block is provided with a plurality of contact pins side by side, and the front ends of the contact pins are conical; the pressing cylinder is connected with the contact pin mounting block and drives the contact pin mounting block to move up and down; the sand tearing cylinders of the four sand tearing assemblies synchronously move; and the compression cylinders of the four sand tearing assemblies synchronously move.
2. A safe surface finish station as defined in claim 1, wherein the grit number of the sandpaper placed in the four sandpaper storage slots of the set of sandpaper placement assemblies is 60 grit; the number of the sand paper placed in the four sand paper storage grooves of the other sand paper placing component is 100 meshes.
3. A safe surface grinding station as defined in claim 1, wherein said sand pulling cylinder is provided with a throttle valve; handles are respectively arranged on the left side and the right side of the sand receiving box; a magnetic valve mounting seat is arranged in the base, and an electromagnetic valve group is arranged on the magnetic valve mounting seat; all sand jacking cylinders of the sand bonding paper mechanism are positioned in the box body, and a split door is arranged at the front side of the box body; the rear end of the dust cover is connected to the rear part of the top end of the box body through a hinge, a flip cylinder is arranged in the box body, and an output shaft of the flip cylinder is connected with the dust cover through a fish eye joint and a lock nut.
4. A method of polishing a safe surface polishing station as recited in claim 1, comprising the steps of:
s1, polishing a safe on a first turntable, wherein the polishing step specifically comprises the following steps:
s11, a first rotary table feeding step: feeding the first turntable through the first roller shutter door by workers, and mounting the safe to be polished on the first turntable;
s12, a first polishing step: pressing a starting key on a robot control cabinet, moving the four-head polishing heads to the first rotary table by the robot, performing four-head linkage polishing on the safe on the first rotary table by the four-head polishing heads, wherein 60-mesh sand paper is adopted for sand paper on each sand table on the four-head polishing heads, the first rotary table drives the safe on the four-head polishing heads to rotate, and performing first polishing on four surfaces of the safe on the first rotary table by the four-head polishing heads;
s13, sand replacement: after the first polishing of the four surfaces of the safe box on the first turntable is finished, the robot moves the four polishing heads to the sand changing table for sand changing, and the sand changing table changes sand paper on each sand table on the four polishing heads into 100-mesh sand paper;
s14, a second polishing step: after the sand replacement is finished, the robot moves the four-head polishing heads to the first rotating table for second covering polishing, and after the second covering polishing is finished, the robot moves the four-head polishing heads to the sand replacement table again for sand replacement, and sand paper on each sand table on the four-head polishing heads is replaced by 60-mesh sand paper;
s2, polishing the safe on the second turntable: in the process of carrying out the polishing step of the safe on the first turntable, a worker enters the second turntable through the second roller shutter door to carry out manual feeding, another safe to be polished is installed on the second turntable, reserved polishing operation is carried out on the electrical cabinet after the feeding is finished, and after the polishing of the safe on the first turntable is finished, the robot moves four polishing heads with 60-mesh sand paper replaced to the second turntable to carry out first polishing; after the first polishing is finished, the robot moves the four polishing heads to the sand changing table to change sand, and the sand changing table changes sand paper on each sand table on the four polishing heads into 100-mesh sand paper; after the sand replacement is finished, the robot moves the four-head polishing heads to the second rotary table to carry out second-pass coverage polishing, after the second-pass coverage polishing is finished, the robot moves the four-head polishing heads to the sand replacement table again to replace sand, and sand paper on each sand table on the four-head polishing heads is replaced by 60-mesh sand paper.
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| CN111791144B (en) * | 2020-07-13 | 2022-04-26 | 秦皇岛汇久科技有限公司 | Automatic change flocking abrasive paper equipment |
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