CN210125983U

CN210125983U - Grinding polisher

Info

Publication number: CN210125983U
Application number: CN201920872123.2U
Authority: CN
Inventors: 吴德国
Original assignee: Chengdu Aoguang Optical Technology Co Ltd
Current assignee: Chengdu Aoguang Optical Technology Co Ltd
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-03-06
Anticipated expiration: 2029-06-12

Abstract

The utility model relates to a grinding and polishing machine, belonging to the technical field of grinding and polishing equipment, which comprises a workbench, an overhead table, a grinding disc arranged on the workbench, a driving motor used for driving the grinding disc and at least one workpiece limiting component; the workpiece limiting assembly comprises a first adjusting rod, a second adjusting rod and a fixing pile, the fixing pile is fixedly arranged on the top surface of the workbench, and the first adjusting rod and the second adjusting rod are respectively horizontally arranged on one fixing pile and can adjust the position; one end of the first adjusting rod is rotatably connected with a roller, one end of the second adjusting rod is provided with an integrally manufactured arc-shaped arm, and two ends of the arc-shaped arm are respectively provided with a roller which is rotatably connected; an air cylinder is arranged on the overhead table, and a counterweight plate is rotatably arranged on a piston rod of the air cylinder. The utility model can process workpieces with various sizes, such as round, annular, polygonal and other shapes, has good universality and can reduce the investment cost of equipment; and workpieces with different sizes can be simultaneously processed, and the bottom surface and the side surface of the workpiece can be simultaneously processed, so that the working efficiency can be effectively improved.

Description

Grinding polisher

Technical Field

The utility model relates to a grinding and polishing equipment technical field especially relates to grinding and polishing machine.

Background

Generally, the mirror effect of the workpiece is achieved through three processes, i.e., rough grinding, finish grinding and polishing. Each process has its own function.

Coarse grinding: most of the blank allowance is removed, and the rough geometric shape and roughness are finally kept.

And (3) fine grinding process: on the basis of rough grinding, a step is also provided for polishing, with the result that the most precise geometry and fine crack depth can be maintained.

And (3) polishing: and removing the ring-breaking layer left by rough polishing and fine polishing to realize the optimal mirror surface effect of the optical surface.

The existing plane grinding and polishing equipment can only process workpieces with the same size, and has poor universality.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a grinding and polishing machine, the work piece of workable multiple size, the commonality is good.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the grinding and polishing machine comprises a workbench, an overhead table, a grinding disc arranged on the workbench, a driving motor for driving the grinding disc and at least one workpiece limiting component; the workpiece limiting assembly comprises a first adjusting rod, a second adjusting rod and two fixing piles, the two fixing piles are fixedly arranged on the top surface of the workbench, the fixing piles are positioned on the periphery of the grinding disc, and the first adjusting rod and the second adjusting rod are respectively horizontally arranged on one fixing pile;

the first adjusting rod and the second adjusting rod are respectively provided with a linear sliding groove, the top of the fixing pile extends into the linear sliding grooves and is in clearance fit with the linear sliding grooves, and the first adjusting rod and the second adjusting rod can be fixedly connected with the fixing pile through a second fastening piece; one end of the first adjusting rod is rotatably connected with a roller, one end of the second adjusting rod is provided with an integrally manufactured arc-shaped arm, two ends of the arc-shaped arm are respectively provided with an arc-shaped groove, each arc-shaped groove is internally provided with a sliding rod, the sliding rods are in clearance fit with the arc-shaped grooves, the sliding rods can be fixedly connected with the second adjusting rod through the first fastening piece, and the lower ends of the sliding rods are rotatably connected with the roller;

the overhead table is arranged above the workbench in an overhead manner through the upright post; the overhead table is at least provided with one air cylinder, the end part of a piston rod of the air cylinder is coaxially provided with a counterweight plate, the counterweight plate is rotatably connected with the piston rod and is positioned between the workbench and the overhead table, and the number of the air cylinders is equal to that of the workpiece limiting assemblies.

Preferably, the workpiece limiting assemblies are two or three.

Further, the grinding and polishing machine further comprises a grinding liquid supply device, the grinding liquid supply device comprises a container and at least one liquid outlet pipe, the container is arranged on the overhead table, a liquid outlet is formed in the bottom of the container, the upper end of the liquid outlet pipe is connected with the liquid outlet of the container, and a valve is arranged at the position of the liquid outlet of the container.

Further preferably, the liquid outlet pipe is a flexible pipe.

Further, the grinding and polishing machine further comprises a controller and an operation panel, the operation panel comprises a display screen and a human-computer interaction key, the valve is an electric control valve, and the display screen, the human-computer interaction key, the electric control valve, the cylinder and the driving motor are all electrically connected with the controller.

Preferably, a liquid level meter is arranged in the container and is electrically connected with the controller.

Further preferably, an alarm is mounted on the exterior of the overhead table and is electrically connected with the controller.

Furthermore, the grinding and polishing machine also comprises at least one annular turntable, the diameter of the counterweight plate is smaller than the inner diameter of the annular turntable, the annular turntable is placed on the workbench, and the annular turntable is limited by a plurality of rollers so as to be self-transmitted in situ along with the rotation of the grinding disc.

Preferably, the bottom surface of the annular turntable is provided with a plurality of notches, and the notches penetrate through the inner circular surface and the outer circular surface of the annular turntable.

Further, the grinding and polishing machine further comprises a workpiece clamp matched with the annular turntable, and a sample embedding hole is formed in the workpiece clamp.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model can process workpieces with various sizes, such as round, annular, polygonal and other shapes, has good universality and can reduce the investment cost of equipment; and workpieces with different sizes can be simultaneously processed, and the bottom surface and the side surface of the workpiece can be simultaneously processed, so that the working efficiency can be effectively improved.

Drawings

FIG. 1 is a schematic structural view of a first usage in the first embodiment;

FIG. 2 is an enlarged view of a portion of FIG. 1 at the work station;

FIG. 3 is a schematic illustration of a second use of the first embodiment;

FIG. 4 is an enlarged view of a portion of the work bench of the second use of the first embodiment;

FIG. 5 is a schematic view of the construction of the work holder;

FIG. 6 is a schematic structural view of an annular turntable;

FIG. 7 is a schematic structural view of the second embodiment;

FIG. 8 is a schematic view of the workpiece holder of the second embodiment when placed on a grinding disc;

FIG. 9 is a schematic view of the second embodiment in operation;

in the figure: 1-workbench, 2-fixing pile, 3-roller, 4-adjusting rod I, 5-adjusting rod II, 6-linear sliding chute, 7-annular rotary table, 8-overhead table, 9-cylinder, 10-container, 11-circular sinking groove, 12-grinding disc, 13-liquid outlet pipe, 14-upright column, 15-annular workpiece, 31-fastening piece I, 51-arc groove, 61-fastening piece II, 71-notch, 72-workpiece clamp, 73-small-size workpiece, 81-operation panel, 82-alarm, 91-piston rod, 92-counterweight disc and 721-sample embedding hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings.

Example one

As shown in fig. 1 and 2, the grinding and polishing machine disclosed in this embodiment includes a work table 1, an overhead table 8, a grinding disc 12 disposed on the work table, a controller, an operation panel 81, a driving motor for driving the grinding disc 12, and at least one workpiece limiting component. The top surface of the working table 1 is provided with a circular sinking groove 11, the grinding disc 12 is arranged at the circular sinking groove 11, the workpiece limiting assembly comprises a first adjusting rod 4, a second adjusting rod 5 and two fixing piles 2, the two fixing piles 2 are fixedly arranged on the top surface of the working table 1, and the fixing piles 2 are positioned on the periphery of the grinding disc 12.

The overhead table 8 is arranged above the workbench 1 in an overhead manner through a stand column 14; the overhead table 8 is at least arranged on one cylinder 9, a counterweight plate 92 is coaxially arranged at the end part of a piston rod 91 of the cylinder 9, the counterweight plate 92 is rotatably connected with the piston rod 91, the counterweight plate 92 is positioned between the workbench 1 and the overhead table 8, and the number of the cylinders 9 is equal to that of the workpiece limiting assemblies.

The controller is provided in the platform 8, and the operation panel 81 is provided outside the platform 8. The operation panel 81 includes a display screen and a man-machine interaction key, and the man-machine interaction key includes a start-stop key, a time setting key, a rotation speed setting key, and the like. The display screen, the man-machine interaction key, the air cylinder 9 and the driving motor are all electrically connected with the controller.

And the first adjusting rod 4 and the second adjusting rod 5 are respectively horizontally arranged on one of the fixing piles 2. Specifically, the first adjusting rod 4 and the second adjusting rod 5 are both provided with linear sliding grooves 6, the top of the fixing pile 2 extends into the linear sliding grooves 6 and is in clearance fit with the linear sliding grooves 6, and the first adjusting rod 4 and the second adjusting rod 5 can be fixedly connected with the fixing pile 2 through a second fastening piece 61.

One end of the first adjusting rod 4 is rotatably connected with a roller 3, one end of the first adjusting rod 4 is provided with a rod component capable of being adjusted up and down, and the lower end of the rod component is rotatably connected with the roller 3. One end of the second adjusting rod 5 is provided with an integrally manufactured arc-shaped arm, two ends of the arc-shaped arm are respectively provided with an arc-shaped groove 51, a sliding rod is arranged in each arc-shaped groove 51, the sliding rods are in clearance fit with the arc-shaped grooves 51, the sliding rods can be fixedly connected with the second adjusting rod 5 through first fasteners 31, and the lower ends of the sliding rods are rotatably connected with rollers 3.

The first fastener 31 and the second fastener 61 can be selected from lock nuts, and the slide rod can be selected from screw rods. As shown in fig. 1, the second fastening piece 61 on the first adjustment rod 4 is loosened, the first adjustment rod 4 can move along the linear chute 6 relative to the fixed pile 2, and the first adjustment rod 4 can rotate around the fixed pile 2, so that the position of the roller 3 on the first adjustment rod 4 above the grinding disc 12 is adjusted. The adjusting mode of the adjusting rod II 5 and the adjusting mode of the sliding rod are the same.

In use, as shown in fig. 1, a circular or annular workpiece 15 is placed on the grinding disc 12, and the three rollers 3 of the workpiece limiting assembly are adjusted to be in contact with the outer side or the inner side of the annular workpiece 15, and the three rollers 3 limit the annular workpiece 15 at the inner periphery or the outer periphery thereof.

The equipment is started, the grinding disc 12 is driven to rotate by the driving motor, the grinding disc 12 simultaneously gives friction force to the annular workpiece 15 when rotating, the annular workpiece 15 is limited at the inner periphery or the outer periphery of the annular workpiece 15 by the three rollers 3, the annular workpiece 15 rotates in place under the action of the friction force of the grinding disc 12, and the grinding disc 12 grinds the bottom surface of the annular workpiece 15. When it is necessary to simultaneously grind the side surfaces of the ring-shaped workpiece 15. The roller 3 can be replaced with a grinding wheel.

The quantity of the workpiece limiting assemblies can be set to be 1, two, three and the like according to needs, if 1 is shown, the workpiece limiting assemblies are two, two annular workpieces 15 can be processed simultaneously, and the improvement of the working efficiency is facilitated.

Set up two spacing subassemblies of work piece, still have an effect just be: when the size of the workpiece is too large, the three rollers 3 using the same workpiece limiting component cannot realize stable limiting. The workpiece can be limited by two workpiece limiting assemblies together, and the specific method is as follows: two of the idler wheels 3 of one workpiece limiting assembly are in contact with the outer side of the annular turntable 7, and one or two of the idler wheels 3 of the other workpiece limiting assembly are in contact with the outer side of the annular turntable 7, so that large-size workpieces are machined.

The position of the roller 3 can be adjusted, workpieces with different sizes can be processed, the universality is good, and the equipment investment cost can be reduced; but also can process the bottom surface and the side surface of the workpiece, and has high efficiency.

As shown in fig. 3, 4 and 5, when the workpieces to be machined include both small-sized workpieces and large-sized workpieces, the small-sized workpieces may be fixed by the workpiece holder 72. The workpiece holder 72 is circular, and one or more sample insertion holes 721 are uniformly formed in the workpiece holder 72. The spline holes 721 may be circular, elliptical, polygonal, etc. When the workpiece is an annular workpiece 15, an appropriate workpiece holder 72 is selected according to the size of the annular workpiece 15.

In operation, the work holder 72 is placed on the inner periphery of the ring turntable 7, and then a small-sized work is set in the nest hole 721, and a grinding skin or a polishing skin is applied over the work holder 72.

The device is started, the drive motor drives the grinding disc 12 to rotate, and simultaneously the air cylinder 9 is driven, so that the counterweight disc 92 moves downwards to press above the grinding skin. The weight plate 92 is connected to the piston rod by a bearing. The grinding disc 12 rotates and simultaneously gives friction force to the annular workpiece 15 and the workpiece clamp 72, the three rollers 3 limit the annular workpiece 15 at the inner periphery of the annular workpiece, the annular workpiece 15 and the workpiece clamp 72 rotate in place under the friction force of the grinding disc 12, and the grinding disc 12 grinds the annular workpiece 15 and the bottom surface of a small-size workpiece. The embodiment can also realize the simultaneous processing of large-size and small-size workpieces, and has high efficiency.

In order to supply the grinding fluid, the grinding and polishing machine of the embodiment further comprises a grinding fluid supply device, the grinding fluid supply device comprises a container 10 and at least one liquid outlet pipe 13, and the liquid outlet pipe 13 is a flexible pipe and is convenient for adjusting the liquid outlet position. A liquid outlet is arranged at the bottom of the container 10, the upper end of the liquid outlet pipe 13 is connected with the liquid outlet of the container 10, and a valve is arranged at the liquid outlet of the container 10 and is an electric control valve. The electric control valve is electrically connected with the controller.

To facilitate detection of the amount of liquid in the container 10, a liquid level meter is provided in the container 10 and is electrically connected to the controller. An alarm 82 is mounted on the outside of the overhead stand 8, and the alarm 82 is electrically connected to the controller. When the liquid in the container 10 decreases to a preset level, the alarm will light up and emit an alarm sound. When the grinding disc grinding machine works, the liquid outlet pipe 13 is pulled to face the grinding disc; and starting the device, driving the grinding disc 12 to rotate by the driving motor, and simultaneously opening the electric control valve to start supplying grinding liquid. When the set working time is up, the driving motor and the air cylinder 9 are stopped, the electric control valve is closed at the same time, and the grinding fluid is stopped from being supplied.

Example two

The difference between this embodiment and the first embodiment is: in the first embodiment, the problem of overlarge size of the workpiece can be solved by arranging two workpiece limiting assemblies. Aiming at the condition that the size of the workpiece is too small, the three rollers 3 using the same workpiece limiting component can not realize stable limiting action. As shown in fig. 5 and 6, the present embodiment discloses an annular rotary table 7 and a circular workpiece holder 72 adapted to the annular rotary table 7, wherein the workpiece holder 72 is uniformly provided with one or more sample insertion holes 721. The diameter of the counterweight plate 92 is smaller than the inner diameter of the annular rotary disk 7. As shown in fig. 7 and 8, annular turntable 7 is placed on table 1, and annular turntable 7 is self-transferred in situ by being contacted and limited by a plurality of rollers 3 as grinding disc 12 rotates.

As shown in fig. 8 and 9, an appropriate work holder 72 is selected according to the size of the annular turntable 7, and in operation, the work holder 72 is placed on the inner periphery of the annular turntable 7, and then a small-sized work is set in the nest hole 721.

The device is started, the drive motor drives the grinding disc 12 to rotate, and simultaneously the air cylinder 9 is driven, so that the counterweight disc 92 moves downwards to press above the grinding skin. The weight plate 92 is connected with the piston rod through a bearing, and the weight plate 92 can be replaced according to the requirement. The grinding disc 12 rotates and simultaneously gives friction force to the annular workpiece 15 and the workpiece clamp 72, the three rollers 3 limit the annular workpiece 15 at the inner periphery of the annular workpiece, the annular workpiece 15 and the workpiece clamp 72 rotate in place under the friction force of the grinding disc 12, and the grinding disc 12 grinds the annular workpiece 15 and the bottom surface of a small-size workpiece. The embodiment can also realize the simultaneous processing of large-size and small-size workpieces, and has high efficiency.

In order to facilitate the grinding fluid to cool the friction surface, the bottom surface of the annular turntable 7 is provided with a plurality of notches 71, the notches 71 penetrate through the inner circular surface and the outer circular surface of the annular turntable 7, and the grinding fluid can enter the friction surface from the notches 71 on the top surface and the side surfaces of the annular turntable 7.

Of course, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and that such changes and modifications are intended to be included within the scope of the appended claims.

Claims

1. The grinding and polishing machine is characterized by comprising a workbench, an overhead table, a grinding disc arranged on the workbench, a driving motor for driving the grinding disc and at least one workpiece limiting component; the workpiece limiting assembly comprises a first adjusting rod, a second adjusting rod and two fixing piles, the two fixing piles are fixedly arranged on the top surface of the workbench, the fixing piles are positioned on the periphery of the grinding disc, and the first adjusting rod and the second adjusting rod are respectively horizontally arranged on one fixing pile;

2. The grinder/polisher in accordance with claim 1 wherein: the number of the workpiece limiting assemblies is two or three.

3. The grinder/polisher in accordance with claim 1 wherein: the grinding fluid feeding device comprises a container and at least one liquid outlet pipe, the container is arranged on the overhead table, a liquid outlet is formed in the bottom of the container, the upper end of the liquid outlet pipe is connected with the liquid outlet of the container, and a valve is arranged at the liquid outlet of the container.

4. The grinder/polisher in accordance with claim 3 wherein: the liquid outlet pipe is a flexible pipe.

5. The grinder/polisher in accordance with claim 4 wherein: the automatic control valve is characterized by further comprising a controller and an operation panel, wherein the operation panel comprises a display screen and a human-computer interaction key, the valve is an electric control valve, and the display screen, the human-computer interaction key, the electric control valve, the air cylinder and the driving motor are all electrically connected with the controller.

6. The grinder/polisher in accordance with claim 5 wherein: and a liquid level meter is arranged in the container and is electrically connected with the controller.

7. The grinder/polisher in accordance with claim 6 wherein: and an alarm is arranged outside the overhead table and electrically connected with the controller.

8. The grinder/polisher in accordance with claims 1, 5, 6 or 7 wherein: the circular turntable is placed on a workbench and is limited by a plurality of rollers so as to be self-transmitted in situ along with the rotation of the grinding disc.

9. The grinder/polisher in accordance with claim 8 wherein: the bottom surface of the annular turntable is provided with a plurality of notches, and the notches penetrate through the inner circular surface and the outer circular surface of the annular turntable.

10. The grinder/polisher in accordance with claim 8 wherein: the workpiece fixture is matched with the annular turntable and provided with sample embedding holes.