CN110842701A

CN110842701A - Rotary polishing workbench

Info

Publication number: CN110842701A
Application number: CN201911229992.4A
Authority: CN
Inventors: 关复烨; 何伟湛
Original assignee: Guangdong Robot Co Ltd Luo Geng
Current assignee: Guangdong Robot Co Ltd Luo Geng
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-02-28

Abstract

The invention discloses a rotary polishing workbench, which comprises a rack and a polishing workbench, wherein a rack main board is arranged on the rack, a waterproof protective cover is arranged on the main board of the machine frame, the polishing workbench is arranged in the waterproof protective cover, the polishing workbench comprises a rotary polishing workbench, a workpiece placing station and a workpiece clamping device for clamping a workpiece are arranged on the rotary polishing workbench, the workpiece clamping device comprises a first positioning plate, a second positioning plate, a first air cylinder, a second air cylinder, a first clamping plate and a second clamping plate, the first cylinder and the first positioning plate are respectively arranged on the left side and the right side of the workpiece placing station, the second cylinder and the second positioning plate are respectively arranged in front of and behind the workpiece placing station, the first cylinder is provided with a first cylinder piston rod, and the first cylinder piston rod is connected with the first clamping plate.

Description

Rotary polishing workbench

Technical Field

The invention relates to the technical field of grinding and polishing, in particular to a rotary grinding workbench.

Background

In the grinding and polishing industry, some enterprises still use the traditional manual grinding mode of workers at present, the manual processing is not only low in efficiency, but also the processing quality is determined by the manual skill of the workers, the grinding quality is uneven, the processing stability and consistency are difficult to guarantee, and meanwhile, fine dust can be generated in the grinding process to damage the health of the workers. The manual deburring has a series of problems, and with the development of economy, the labor cost is continuously improved, and the cost of an enterprise is continuously increased; it is therefore necessary to use other more advanced methods instead of hand sanding.

The automatic production line has obvious advantages in the aspects of improving the working environment of workers, improving the working efficiency, improving the product quality, reducing the cost and the like, so the automatic production line is more and more favored by the majority of enterprises in the grinding and polishing industry. A polishing workbench is needed in one process in a traditional automatic production line, and a plurality of processes are needed for complex workpieces, so that a plurality of polishing workbenches are needed, and the occupied area of a machine station is large.

The existing automatic production line generally puts industrial robot, knife rest and grinding table to the dustproof house in, the last work piece that is provided with of grinding table places the station, and the size that the station was placed to the work piece is corresponding with the size of work piece, then puts the work piece to the work piece and places the station on, adopts industrial robot to polish the work piece, but such mode of polishing has following two kinds of problems: firstly, on putting the work piece and placing the station, the displacement appears in the in-process of polishing easily to the work piece to the precision of polishing has been reduced. Secondly, each workpiece placing station can only place workpieces of one size, and when the size of the workpiece to be polished changes, the polishing workbench needs to be replaced, which is very inconvenient. Thirdly, the conventional grinding workbench is a static grinding workbench, and the grinding amount of the workpiece is difficult to ensure to be uniform.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide a rotary grinding workbench, which is provided with a workpiece clamping device, wherein the workpiece clamping device not only can better clamp workpieces in the workpiece grinding process and improve the grinding precision of the workpieces, but also can clamp workpieces with different sizes. .

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a rotary polishing workbench comprises a rack and a polishing workbench, wherein a rack main board is arranged on the rack, a waterproof shield is arranged on the rack main board, the polishing workbench is arranged in the waterproof shield and comprises a rotary polishing workbench, a workpiece placing station and a workpiece clamping device for clamping workpieces are arranged on the rotary polishing workbench, the workpiece clamping device comprises a first positioning plate, a second positioning plate, a first air cylinder, a second air cylinder, a first clamping plate and a second clamping plate, the first air cylinder and the first positioning plate are respectively arranged on the left side and the right side of the workpiece placing station, the second air cylinder and the second positioning plate are respectively arranged in front of and behind the workpiece placing station, a first air cylinder piston rod is arranged on the first air cylinder, and the first air cylinder piston rod is connected with the first clamping plate, a second cylinder piston rod is arranged on the second cylinder and connected with the second clamping plate; the first air cylinder is used for driving a first air cylinder piston rod to move left and right so as to drive the first clamping plate to compress or loosen a workpiece, the second air cylinder is used for driving a second air cylinder piston rod to move back and forth so as to drive the second clamping plate to compress or loosen the workpiece, a rotating motor is arranged at the bottom of the rotary polishing workbench and used for driving the rotary polishing workbench to rotate.

Further, the rotary polishing workbench further comprises a control system, and the first air cylinder, the second air cylinder and the rotary motor are respectively connected with the control system.

Further, be provided with ultrasonic cleaning device on the frame mainboard, ultrasonic cleaning device set up in one side of waterproof guard shield, ultrasonic cleaning device is used for wasing the work piece after polishing, ultrasonic cleaning device includes ultrasonic wave fixed station and ultrasonic cleaner, ultrasonic cleaner set up in on the ultrasonic wave fixed station, be provided with the ultrasonic wave work piece locating plate that is used for placing the work piece in the ultrasonic cleaner, ultrasonic cleaner with control system connects.

Furthermore, the rotary polishing workbench further comprises a vision system, the vision system is arranged at the top of the polishing workbench and used for judging the position of the workpiece, the outline of the workpiece and the position of the hole position of the workpiece.

Further, the vision system comprises a support, a camera fixing frame, a linear sliding table motor, a camera and a camera lamp, wherein the linear sliding table is installed on the support, the camera fixing frame is connected with the linear sliding table, the camera and the camera lamp are both installed on the camera fixing frame, the linear sliding table is connected with the linear sliding table motor, and the linear sliding table is driven by the linear sliding table motor to do linear motion, so that the camera fixing frame, the camera and the camera lamp are driven to do linear motion; and the linear sliding table motor and the camera are respectively connected with the control system.

Furthermore, a grinding fluid fixing frame is arranged on one side of the waterproof shield, a grinding fluid placing cup for placing grinding fluid and an alarm are arranged on the grinding fluid fixing frame, a weighing sensor is arranged at the bottom of the grinding fluid placing cup, and the weighing sensor and the alarm are respectively connected with the control system.

Further, rotatory workstation of polishing still includes spray gun support and spray gun, the spray gun support set up in on the waterproof guard shield, the spray gun set up in on the spray gun support, the nozzle of spray gun with the workstation of polishing is aimed at.

Furthermore, a water pumping barrel is arranged on one side of the rack, cooling water is placed in the water pumping barrel, and the water pumping barrel is communicated with the spray gun through a pipeline.

Furthermore, a main board water outlet is formed in the main board of the rack, a wastewater water outlet corresponding to the main board water outlet is formed in the waterproof shield, and a wastewater barrel used for containing wastewater is arranged below the main board water outlet.

Further, the bottom of rotatory workstation of polishing is provided with rotatory buckler, the rotating electrical machines set up in the rotatory buckler, rotatory buckler is used for protecting the rotating electrical machines.

Compared with the prior art, the workpiece clamping device has the beneficial effects that the workpiece clamping device comprises a first positioning plate, a second positioning plate, a first air cylinder, a second air cylinder, a first clamping plate and a second clamping plate, wherein the first air cylinder and the first positioning plate are respectively arranged on the left side and the right side of the workpiece placing station; the first air cylinder is used for driving a first air cylinder piston rod to move left and right so as to drive the first clamping plate to compress or release a workpiece, the second air cylinder is used for driving a second air cylinder piston rod to move back and forth so as to drive the second clamping plate to compress or release the workpiece, a rotating motor is arranged at the bottom of the rotary polishing workbench and used for driving the rotary polishing workbench to rotate; the workpiece clamping device can better clamp workpieces in the workpiece polishing project, improve the polishing precision of the workpieces and clamp workpieces with different sizes; the rotating motor can drive the rotating polishing workbench to rotate, so that the grinding quantity of the workpiece is uniform.

Drawings

Embodiments of the invention are described in further detail below with reference to the attached drawing figures, wherein:

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the structure of the housing and waste water tank according to the present invention.

Fig. 3 is a schematic structural view of a polishing table, an ultrasonic cleaning device and a waterproof shield according to the present invention.

Fig. 4 is a schematic structural view of a grinding table according to the present invention.

Fig. 5 is a schematic structural diagram of an ultrasonic cleaning apparatus according to the present invention.

Fig. 6 is a schematic structural diagram of a vision system according to the present invention.

In the figure: 1-frame, 2-polishing workbench, 3-vision system, 4-ultrasonic cleaning device, 6-water pumping bucket, 11-frame main board, 12-waterproof shield, 13-spray gun support, 14-spray gun, 21-rotary polishing workbench, 22-workpiece placing station, 23-rotary motor, 24-first positioning board, 25-second positioning board, 26-first cylinder, 27-second cylinder, 28-first clamping board, 29-second clamping board, 210-rotary waterproof cover, 31-support, 32-camera fixing frame, 33-linear sliding table, 34-linear sliding table motor, 35-camera, 36-camera lamp, 41-ultrasonic fixing table, 42-ultrasonic cleaning machine, ultrasonic cleaning machine, 43-ultrasonic workpiece positioning plate, 51-grinding fluid fixing frame, 52-grinding fluid placing cup, 111-main plate water outlet and 112-waste water barrel.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-6, a rotatory workstation of polishing, including frame 1, workstation 2, vision system 3 and control system polish, be provided with frame mainboard 11 in the frame 1, be provided with waterproof guard shield 12 on the frame mainboard 11, workstation 2 polish set up in the waterproof guard shield 12, workstation 2 polish includes rotatory workstation 21 of polishing, it places station 22 and is used for pressing from both sides the work piece clamping device of tight work piece to be provided with the work piece on the rotatory workstation 21 of polishing, vision system 3 and work piece clamping device respectively with control system connects. The embodiment can effectively prevent the workpiece from splashing liquid to pollute the environment in the grinding process by arranging the waterproof shield 12.

Specifically, the workpiece clamping device comprises a first positioning plate 24, a second positioning plate 25, a first air cylinder 26, a second air cylinder 27, a first clamping plate 28 and a second clamping plate 29, wherein a first air cylinder piston rod is arranged on the first air cylinder 26 and connected with the first clamping plate 28, a second air cylinder piston rod is arranged on the second air cylinder 27 and connected with the second clamping plate 29; the first cylinder 26 and the second cylinder 27 are connected to the control system, respectively.

As shown in fig. 4, the first air cylinder (26) and the first positioning plate (24) are respectively disposed on the left side and the right side of the workpiece placing station (22), the second air cylinder (27) and the second positioning plate (25) are respectively disposed in front of and behind the workpiece placing station (22), a first air cylinder piston rod is disposed on the first air cylinder (26), the first air cylinder piston rod is connected with the first clamping plate (28), a second air cylinder piston rod is disposed on the second air cylinder (27), and the second air cylinder piston rod is connected with the second clamping plate (29); the first air cylinder (26) is used for driving a first air cylinder piston rod to move left and right so as to drive the first clamping plate (28) to compress or loosen a workpiece, the second air cylinder (27) is used for driving a second air cylinder piston rod to move back and forth so as to drive the second clamping plate (29) to compress or loosen the workpiece, preferably, the robot places the workpiece to the workpiece placing station 22, the first air cylinder 26 pushes the first clamping plate 28 to compress the workpiece, the second air cylinder 27 pushes the second clamping plate 29 to compress the workpiece, and after the workpiece is compressed, relative displacement cannot occur in the polishing process. The workpiece clamping device not only can better clamp the workpiece in the workpiece polishing project and improve the polishing precision of the workpiece, but also can clamp workpieces with different sizes.

Specifically, a rotating motor 23 is arranged at the bottom of the rotating grinding workbench 21, and the rotating motor 23 is used for driving the rotating grinding workbench 21 to rotate, so that the workpiece is ground more fully; the vision system 3 is arranged at the top of the grinding workbench 2, and the vision system 3 is used for judging the position of the workpiece, the outline of the workpiece and the position of the hole position of the workpiece.

As shown in fig. 6, the vision system 3 includes a bracket 31, a camera fixing frame 32, a linear sliding table 33, a linear sliding table motor 34, a camera 35, and a camera lamp 36, wherein the linear sliding table 33 is mounted on the bracket 31, the camera fixing frame 32 is connected to the linear sliding table 33, the camera 35 and the camera lamp 36 are both mounted on the camera fixing frame 32, the linear sliding table 33 is connected to the linear sliding table motor 34, and the linear sliding table 33 is driven by the linear sliding table motor 34 to move linearly, so as to drive the camera fixing frame 32, the camera 35, and the camera lamp 36 to move linearly; the linear slide motor 34 and the camera 35 are connected to the control system, respectively. After the workpiece is clamped by the workpiece clamping device, the vision system 3 is used for judging the position of the workpiece, the outline of the workpiece and the position of the hole site of the workpiece, and then the information is fed back to the robot through the control system, and the robot can accurately reach the position of the workpiece to be polished to polish the workpiece, so that the processing quality of the workpiece is improved.

As shown in fig. 5, an ultrasonic cleaning device 4 is arranged on the rack main board 11, the ultrasonic cleaning device 4 is arranged on one side of the waterproof shield 12, the ultrasonic cleaning device 4 is used for cleaning a polished workpiece, the ultrasonic cleaning device 4 includes an ultrasonic fixing table 41 and an ultrasonic cleaning machine 42, the ultrasonic cleaning machine 42 is arranged on the ultrasonic fixing table 41, an ultrasonic workpiece positioning plate 43 for placing the workpiece is arranged in the ultrasonic cleaning machine 42, and the ultrasonic cleaning machine 42 is connected with the control system.

Specifically, a grinding fluid fixing frame 51 is arranged on one side of the waterproof shield 12, a grinding fluid placing cup 52 for placing grinding fluid and an alarm are arranged on the grinding fluid fixing frame 51, a weighing sensor is arranged at the bottom of the grinding fluid placing cup 52, and the weighing sensor and the alarm are respectively connected with the control system. The operator can set up the numerical value that weighing sensor can respond to according to self needs, and when the weight that cup 52 was placed to the lapping liquid was less than the numerical value of settlement, weighing sensor can feed back information to control system to the control alarm sends the police dispatch newspaper, thereby reminds operator to place the cup 52 interior interpolation lapping liquid toward the lapping liquid. Preferably, three slurry placement cups 52 are provided.

Specifically, this embodiment still includes spray gun support 13 and spray gun 14, spray gun support 13 set up in on the waterproof guard shield 12, spray gun 14 set up in on the spray gun support 13, spray gun 14 the nozzle with the workstation 2 of polishing is aimed at, and the work piece needs spray gun 14 to polish workstation 2 water spray at the in-process of polishing, can make the workstation 2 cooling of polishing effectively, prevents that the work piece is overheated and prevents the diffusion of flying upward and the dust of the in-process abrasive dust of polishing.

Specifically, a main board water outlet 111 is formed in the rack main board 11, a wastewater water outlet corresponding to the main board water outlet 111 is formed in the waterproof shield 12, a wastewater barrel 112 used for containing wastewater is arranged below the main board water outlet 111, a workpiece can generate a lot of wastewater in the polishing process, and the wastewater flows into the wastewater barrel 112 through the wastewater water outlet and the main board water outlet 111.

Specifically, the bottom of the rotary polishing workbench 21 is provided with a rotary waterproof cover 210, the rotary motor 23 is arranged in the rotary waterproof cover 210, and the rotary waterproof cover 210 is used for protecting the rotary motor 23 and preventing liquid from splashing to the rotary motor 23 during the polishing process of the workpiece, so that the polishing efficiency of the workpiece is affected and the service life of the rotary motor 23 is reduced.

Specifically, one side of the frame 1 is provided with a water pumping barrel 6, cooling water is placed in the water pumping barrel 6, and the water pumping barrel 6 is communicated with the spray gun 14 through a pipeline.

As shown in fig. 1, two polishing platforms 2 are disposed in the waterproof shield 12, two spray gun supports 13 and two spray guns 14 are correspondingly disposed, and the two polishing platforms 2 are disposed in the present embodiment, so that the structure is compact, two polishing processes can be completed, and the polishing efficiency is effectively improved. The working principle of the embodiment is as follows:

the robot grabs the workpiece, then puts the workpiece to the workpiece placing station 22 of the polishing workbench 2, the first air cylinder 26 pushes the first clamping plate 28 to compress the workpiece, the second air cylinder 27 pushes the second clamping plate 29 to compress the workpiece, after the workpiece is compressed, no relative displacement occurs in the polishing process, the camera 35 in the vision system 3 identifies the hole position and the outline position of the workpiece, the identified information is fed back to the control system, the robot is controlled to accurately reach the position of the workpiece to be polished to polish the workpiece, the processing precision of the workpiece is effectively improved, the robot moves the grinding tool to the grinding fluid placing cup 52 to pick up the grinding fluid, the grinding fluid can play a role of cooling and chip removal, a weighing sensor is arranged below the grinding fluid placing cup 52, when the weight of the grinding fluid placing cup 52 is lower than a set value, the weighing sensor feeds back the information to the control system, thereby control the siren and send out the police dispatch newspaper, thereby remind operating personnel to place the cup 52 toward the lapping liquid and add the lapping liquid, then open rotating electrical machines 23, rotating electrical machines 23 drives rotatory workstation 21 of polishing and rotates, thereby guarantee that the grinding volume of the in-process hole of polishing is even, the work piece is at the in-process of polishing, spray gun 14 can be followed and is drawn water to the work piece water spray from the pump barrel 6 next door, prevent that the work piece from being overheated at the in-process of polishing, and prevent effectively that the in-process abrasive dust from flying upward and the diffusion of dust, the work piece can produce a lot of waste water at the in-process of polishing, waste water flows to waste water barrel 112 in through waste water outlet and mainboard delivery port 111, the back that the work piece finishes is polished, the robot clamp is got the work piece and is put.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.

Claims

1. The utility model provides a rotatory workstation of polishing which characterized in that: comprises a frame (1) and a polishing workbench (2), wherein the frame (1) is provided with a frame main board (11), the frame main board (11) is provided with a waterproof shield (12), the polishing workbench (2) is arranged in the waterproof shield (12), the polishing workbench (2) comprises a rotary polishing workbench (21), the rotary polishing workbench (21) is provided with a workpiece placing station (22) and a workpiece clamping device for clamping the workpiece, the workpiece clamping device comprises a first positioning plate (24), a second positioning plate (25), a first air cylinder (26), a second air cylinder (27), a first clamping plate (28) and a second clamping plate (29), the first air cylinder (26) and the first positioning plate (24) are respectively arranged at the left side and the right side of the workpiece placing station (22), the second air cylinder (27) and the second positioning plate (25) are respectively arranged at the front and the rear of the workpiece placing station (22), a first cylinder piston rod is arranged on the first cylinder (26), the first cylinder piston rod is connected with the first clamping plate (28), a second cylinder piston rod is arranged on the second cylinder (27), and the second cylinder piston rod is connected with the second clamping plate (29); the first air cylinder (26) is used for driving a first air cylinder piston rod to move left and right so as to drive the first clamping plate (28) to compress or loosen a workpiece, the second air cylinder (27) is used for driving a second air cylinder piston rod to move front and back so as to drive the second clamping plate (29) to compress or loosen the workpiece, a rotating motor (23) is arranged at the bottom of the rotary polishing workbench (21), and the rotating motor (23) is used for driving the rotary polishing workbench (21) to rotate.

2. The rotary sanding table of claim 1 wherein: the air cylinder control system further comprises a control system, and the first air cylinder (26), the second air cylinder (27) and the rotating motor (23) are respectively connected with the control system.

3. The rotary sanding table of claim 2, wherein: be provided with ultrasonic cleaning device (4) on frame mainboard (11), ultrasonic cleaning device (4) set up in one side of waterproof guard shield (12), ultrasonic cleaning device (4) are used for wasing the work piece after polishing, ultrasonic cleaning device (4) include ultrasonic wave fixed station (41) and ultrasonic cleaner (42), ultrasonic cleaner (42) set up in on ultrasonic wave fixed station (41), be provided with ultrasonic workpiece locating plate (43) that are used for placing the work piece in ultrasonic cleaner (42), ultrasonic cleaner (42) with control system connects.

4. The rotary sanding table of claim 2, wherein: the polishing device is characterized by further comprising a vision system (3), wherein the vision system (3) is arranged at the top of the polishing workbench (2), and the vision system (3) is used for judging the position of a workpiece, the outline of the workpiece and the position of a hole position of the workpiece.

5. The rotary sanding table of claim 4 wherein: the visual system (3) comprises a support (31), a camera fixing frame (32), a linear sliding table (33), a linear sliding table motor (34), a camera (35) and a camera lamp (36), wherein the linear sliding table (33) is installed on the support (31), the camera fixing frame (32) is connected with the linear sliding table (33), the camera (35) and the camera lamp (36) are both installed on the camera fixing frame (32), the linear sliding table (33) is connected with the linear sliding table motor (34), and the linear sliding table (33) is driven by the linear sliding table motor (34) to do linear motion, so that the camera fixing frame (32), the camera (35) and the camera lamp (36) are driven to do linear motion; and the linear sliding table motor (34) and the camera (35) are respectively connected with the control system.

6. The rotary sanding table of claim 2, wherein: one side of waterproof guard shield (12) is provided with lapping liquid fixed frame (51), be provided with lapping liquid placement cup (52) and the siren of placing the lapping liquid on lapping liquid fixed frame (51), the bottom of lapping liquid placement cup (52) is provided with weighing sensor, weighing sensor and siren respectively with control system connects.

7. The rotary sanding table of claim 1 wherein: still include spray gun support (13) and spray gun (14), spray gun support (13) set up in on waterproof guard shield (12), spray gun (14) set up in on spray gun support (13), the nozzle of spray gun (14) with the workstation (2) of polishing aim at.

8. The rotary sanding table of claim 7, wherein: one side of the rack (1) is provided with a water pumping barrel (6), cooling water is placed in the water pumping barrel (6), and the water pumping barrel (6) is communicated with the spray gun (14) through a pipeline.

9. The rotary sanding table of claim 1 wherein: the frame mainboard (11) is provided with a mainboard water outlet (111), the waterproof shield (12) is provided with a wastewater outlet corresponding to the mainboard water outlet (111), and a wastewater barrel (112) for containing wastewater is arranged below the mainboard water outlet (111).

10. The rotary sanding table of claim 1 wherein: the bottom of rotatory workstation (21) of polishing is provided with rotatory buckler (210), rotating electrical machines (23) set up in rotatory buckler (210), rotatory buckler (210) are used for protecting rotating electrical machines (23).