CN210388783U

CN210388783U - Horizontal calibration device of plane grinder

Info

Publication number: CN210388783U
Application number: CN201920851276.9U
Authority: CN
Inventors: 彭志锋; 涂志和; 彭宁; 杜源
Original assignee: Fuzhou Minbo Photoelectric Technology Co Ltd
Current assignee: Fuzhou Minbo Photoelectric Technology Co Ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-04-24
Anticipated expiration: 2029-06-06

Abstract

The utility model discloses a horizontal calibration device of a plane grinder, which belongs to the technical field of the calibration of a grinder, the horizontal calibration device comprises a laser emitter, a calibration base and a hemisphere level meter capable of measuring levelness, the hemisphere level meter and the laser emitter are both arranged on the calibration base, the calibration base is fixed on the axle center of the rotation of a grinding disc of the grinder, the horizontal calibration device at the circle center of the grinding disc is driven to rotate by controlling the rotation of the grinding disc, so that the laser emitter and the hemisphere level meter which are arranged on the calibration base can carry out circular motion around the circle center of the grinding disc, the laser emitted by the laser emitter can shoot to a grinding head pressing plate, the laser ray is on the same horizontal plane with the grinding head pressing plate, thus, the inclination can be intuitively found when the grinding head pressing plate is pressed down, even the angle between the grinding head pressing plate and the grinding disc is, ensuring the parallelism of two sides of the processed optical glass sheet.

Description

Horizontal calibration device of plane grinder

Technical Field

The utility model relates to a grind quick-witted calibration technical field, especially relate to a horizontal calibration device of machine is ground to plane.

Background

The plane grinder is a grinder for grinding the surface of a workpiece by using a grinder coated or embedded with abrasive materials, is mainly used for grinding high-precision planes, inner and outer cylindrical surfaces, conical surfaces, spherical surfaces, threaded surfaces and other molded surfaces in the workpiece, is used for single-side grinding and polishing of materials, is a grinder for grinding the surface of a workpiece by using a grinder coated or embedded with abrasive materials, is mainly used for grinding high-precision planes, inner and outer cylindrical surfaces, conical surfaces, spherical surfaces, threaded surfaces and other molded surfaces in the workpiece, is widely used for single-side grinding and polishing of various materials such as an LED sapphire substrate, an optical glass wafer, a quartz wafer, silicon wafers, various pieces, a mould, a light guide plate, a light coupler and the like, is a precise grinding and polishing device, is ground and polished by the materials placed on a flat grinding disc, the grinding disc rotates in a counterclockwise way, a correction wheel drives the workpiece to rotate, applies pressure by gravity or other ways to the workpiece, the workpiece and the grinding disc perform relative operation friction to achieve the purpose of grinding and polishing, and the abrasive particles generating the grinding action have two sources, one is from continuous external application (often called free abrasive); another method is to fix abrasive particles in an abrasive disk (often called fixed abrasive), and a three-head plane grinder is a commonly used plane grinder, but in the using process, because the abrasive disk and a correction wheel mostly rotate relatively and need to press a workpiece, external factors can cause the processing surface of the equipment to incline, if an optical glass sheet is processed, the situation can cause that two side surfaces of the processed optical glass sheet are not parallel in the processing process, the processing precision of the optical glass sheet is affected, and the loss is caused, if the situation that the glass sheet is not parallel is not found, the problem is more troublesome and the loss is larger, and in order to avoid the situation, a plane grinder which can better polish the optical glass sheet and ensure the parallelism of two sides of the optical glass sheet is needed.

For example, the publication date is 2/25/2009, chinese patent application No. CN200410066300.6, which includes a hanger plate, an upper grinding disk, a lower grinding disk, and a coupling ring, and further includes: the deflection correction mechanism can adjust the deflection of the grinding plane of the upper grinding disc.

Further, the deflection correcting mechanism comprises: the first pulley group comprises a plurality of pulleys which are uniformly arranged on the peripheral edge of the upper grinding disc; the second pulley group comprises a plurality of pulleys which are uniformly arranged on the periphery of the hanging plate; a pulley cable passing alternately through the pulleys of the first set of pulley groups and the second pulley group.

Although the name of this reference corrects warpage of parallelism of the upper abrasive disk plane by installing an annular wire rope between the upper abrasive disk and the lower abrasive disk, matching the upper abrasive disk plane with the lower abrasive disk plane and ensuring the level of the upper abrasive disk by spraying liquid or gas from the lower abrasive disk, it is impossible to calibrate the levelness of the abrasive disk, calibrate the levelness of the workpiece being machined, monitor the levelness of the apparatus during machining, and check whether both sides of the workpiece being machined are level.

Based on this, the utility model designs a horizontal calibration device of plane grinder to solve above-mentioned problem.

Disclosure of Invention

An object of the utility model is to provide a horizontal calibration device of machine is ground to plane can lay the machined part swivel mount of waiting to process the glass piece and carry out the detection of levelness to grinding disc and abrasive disc top when perhaps shutting down in the course of working to also can carry out the calibration monitoring of levelness to the bistrique pivot, make each machined surface of machine is ground to plane keep the level constantly, thereby ensure that the optics glass piece both sides that process out keep parallel.

The utility model discloses a realize like this: the utility model provides a horizontal calibration device of machine is ground on plane, three-head grinding machine include abrasive disc and three bistrique pivot, three machined part swivel mount has been set up on the abrasive disc, bistrique pivot lower extreme horizontally has fixed bistrique clamp plate, every the insertion that bistrique clamp plate can lift separation one-to-one is established in arbitrary one machined part swivel mount, and calibration device includes horizontal calibration device and annular spirit level, horizontal calibration device includes laser emitter, calibration base and can measure the hemisphere spirit level, hemisphere spirit level and laser emitter all install on calibration base, calibration base fixes on the abrasive disc pivoted axle center of grinding machine, the laser jet-out mouth of light emitter aims at the bistrique clamp plate top that operating condition ground the machine, the inseparable cover of annular spirit level is established in the bistrique pivot.

Furthermore, the hemisphere spirit level is a sealed hemisphere, the hemisphere spirit level is fixed at the top of the calibration base, water and air bubbles are arranged inside the hemisphere spirit level, and the air bubbles are located at the center of the circle at the top of the hemisphere spirit level when the hemisphere spirit level is horizontal.

Furthermore, the laser emitters are multiple in number, the multiple laser emitters are horizontally arranged on the calibration base, the laser rays emitted by each laser emitter are on the same horizontal plane with the grinding head pressing plate in the working state, and the laser rays emitted by every two laser emitters are aligned to the top of the grinding head pressing plate in the same working state.

Further, the laser emitter is a laser pen, and the laser emitter is electrically connected with a main switch of the plane grinder.

Further, annular water column and horizontal gas ring have been filled in the annular spirit level, the last still horizontally of annular spirit level marked horizontal standard line, when the annular spirit level was horizontal, horizontal standard line and horizontal gas ring and annular water column's parting line coincidence.

The utility model has the advantages that: the utility model discloses a control abrasive disc rotates, drive the horizontal calibration device rotation of abrasive disc centre of a circle department, thereby laser emitter and hemisphere spirit level installed on calibration base all can carry out circular motion around the centre of a circle of abrasive disc, and the laser of laser emitter transmission can shoot to bistrique clamp plate, the laser ray is on same horizontal plane with bistrique clamp plate, if the bistrique clamp plate transmission slope of operating condition, then the position that the laser ray shines will take place the skew, can not shine at the bistrique clamp plate edge of pivoted, but have the centre of a circle and take place reciprocating motion between the edge on the bistrique clamp plate in the rotation, just so can very audio-visually discover that the bistrique clamp plate takes place the skew when pushing down, even correct the angle between bistrique clamp plate and the abrasive disc, ensure the depth of parallelism of the optical glass piece both sides that process out, and hemisphere spirit level can continuously show whether the, when the grinding disc is in a rotating state, the bubbles of the hemispherical level meter can rotate at the center of the topmost part of the hemispherical level meter under the action of centrifugal force, when the bubbles are not at the centremost part, whether the hemispherical level meter is in a horizontal state or not can be clearly identified, so that whether the grinding disc is horizontal or not can be judged, whether the annular level meter is in a horizontal state or not can be clearly and conveniently displayed through the horizontal gas ring of the annular level meter, so that whether the grinding head rotating shaft and the grinding head pressing plate are in a horizontal state or not can be judged, the inspection is very convenient, even if the grinding head rotating shaft and the grinding head pressing plate rotate in a working state, the horizontal gas ring of the annular level meter is in balance when stably rotating, the separation line of the horizontal gas ring and the annular water column can be superposed with the horizontal standard line, if the separation line is not superposed, the annular level meter is not horizontal any more, inspection equipment is needed, and, Whether each machined surface is horizontal is detected and confirmed in multiple aspects of the grinding head rotating shaft and the grinding head pressing plate, so that the two sides of the machined optical glass sheet are effectively confirmed to be parallel to each other, unqualified products are prevented from being machined, and the yield of the products is improved.

Drawings

The invention will be further described with reference to the following examples with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a top view of the overall structure of the present invention;

fig. 3 is a front view of the horizontal calibration device of the present invention;

fig. 4 is a front view of the ring-shaped level of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-grinding disc, 11-workpiece rotating seat, 2-grinding head rotating shaft, 21-grinding head pressing plate, 3-horizontal calibration device, 31-laser emitter, 32-calibration base, 33-hemisphere level meter, 331-bubble, 4-annular level meter, 41-horizontal standard line, 42-horizontal gas ring and 43-annular water column.

Detailed Description

Referring to fig. 1 to 4, the present invention provides a technical solution: a horizontal calibration device of a plane grinder comprises a grinding disc 1 and three grinding head rotating shafts 2, three workpiece rotary bases 11 are arranged on the grinding disc 1, grinding head press plates 21 are horizontally fixed at the lower ends of the grinding head rotating shafts 2, each grinding head press plate 21 can be inserted into any one workpiece rotary base 11 in a one-to-one corresponding mode in a lifting and separating mode, the calibration device comprises a horizontal calibration device 3 and an annular level gauge 4, the horizontal calibration device 3 comprises a laser transmitter 31, a calibration base 32 and a hemispherical level gauge 33 capable of measuring levelness, the hemispherical level gauge 33 and the laser transmitter 31 are both installed on the calibration base 32, the calibration base 32 is fixed on the rotating axis of the grinding disc 1 of the grinding machine, the laser ejection port of the light transmitter 31 is aligned to the top of the grinding head press plate 21 of the grinding machine in a working state, and the annular level gauge 4 is horizontally and tightly sleeved on the grinding head rotating shafts 2, this device can boring whether the flat grinder works, can monitor abrasive disc 1 constantly and whether bistrique pivot 2 is in the horizontality, also can monitor whether bistrique clamp plate 21 level in the work through horizontal calibration device 3, can see whether the last machined surface of optical glass piece is level through laser ray surveyability, then observe whether abrasive disc 1 is the level through hemisphere spirit level 33, thereby know whether two machined surfaces of optical glass piece are all in the horizontality, it is very convenient to observe, it is convenient to use.

Wherein, the hemisphere spirit level 33 is a sealed hemisphere, the hemisphere spirit level 33 is fixed on the top of the calibration base 32, water and bubbles 331 are arranged inside the hemisphere spirit level 33, the bubbles 331 are located at the center of the top of the hemisphere spirit level 33 when the hemisphere spirit level 33 is horizontal, whether the grinding disc 1 is in a horizontal state is observed through the bubbles, the device cannot be influenced by a monitoring result no matter whether the grinding disc 1 is in a working state, a plurality of laser emitters 31 are provided, the plurality of laser emitters 31 are horizontally arranged on the calibration base 32, a laser ray emitted by each laser emitter 31 is on the same horizontal plane with the grinding head pressing plate 21 in the working state, a laser ray emitted by each two laser emitters 31 is aligned with the top of the grinding head pressing plate 21 in the same working state, and whether the grinding head pressing plate 21 is in the horizontal state is observed through the laser emitted by the laser emitters 31, observe the convenience, the monitoring is accurate, and laser emitter 31 is the laser pen, laser emitter 31 and the total switch electric connection of plane grinder, laser emitter 31 and abrasive disc 1 simultaneous working, convenient operation, annular water column 43 and horizontal gas ring 42 have been filled in annular spirit level 4, the last horizontal standard line 41 that has marked of annular spirit level 4, when annular spirit level 4 was horizontal, horizontal standard line 41 and horizontal gas ring 42 and the parting line coincidence of annular water column 43, whether be in the horizontality through the convenient annular spirit level 4 of observing of horizontal standard line 41, just monitor bistrique pivot 2 constantly and be horizontal, observation mode is simple, easily the operation.

One specific application of the embodiment is as follows: when the three-head plane grinder of the utility model operates, the grinding disc 1 and the workpiece swivel mount 11 on the grinding disc rotate around respective circle centers respectively, then the grinding material is added on the grinding disc 1, so when the grinding disc 1 rotates, the grinding material can enter the workpiece swivel mount 11 to grind a workpiece, the three-head grinder comprises the grinding disc 1 and three grinding head rotating shafts 2, the grinding disc 1 is provided with the three workpiece swivel mounts 11, the workpiece swivel mount 11 is an annular groove, the lower end of the grinding head rotating shaft 2 is fixed with the grinding head pressing plates 21, each grinding head pressing plate 21 can be lifted and separated to be inserted in any one of the workpiece swivel mounts 11 in a one-to-one correspondence manner, when in processing, an optical glass sheet to be processed is fixed on a positioning template firstly, then the template is put into the workpiece swivel mount 11, then the grinding head pressing plates 21 are pressed downwards under the action of the grinding head rotating shaft 2, the optical glass sheet is pressed in the workpiece rotating seat 11 and pressed between the grinding disc 1 and the grinding head pressing plate 21, so that the optical glass sheet is limited in the workpiece rotating seat 11, when the machining operation is carried out, the grinding disc 1 rotates around the circle center of the grinding disc 1, the three grinding head pressing plates 21 also rotate under the action of the grinding head rotating shaft 2, the grinding head pressing plate 21 can drive the workpiece rotating seat 11 to rotate around the axis of the grinding head rotating shaft 2, and then grinding materials are added on the grinding disc 1, so that the upper side and the lower side of the optical glass sheet are ground, and the original plane grinding machine has the possibility that when the plane grinding machine is machined, the grinding disc 1 and the grinding head pressing plate 21 are not horizontal, so that the two sides of the optical glass sheet are not parallel, the machined glass sheet is unqualified, and the phenomenon can be changed after;

when the device is installed, the whole horizontal calibration device 3 is firstly fixed on the rotating axis of the grinding disc 1, the calibration base 32 with high fixation is fixed at the circle center of the grinding disc 1, the hemisphere level gauge 33 is fixed at the top of the calibration base 32 and is on the same vertical axis, the hemisphere level gauge 33 can follow the calibration base 32, the hemisphere level gauge 33 can rotate together when the grinding disc 1 rotates, the horizontal calibration device 3 can be calibrated through the hemisphere level gauge 33, whether the hemisphere level gauge 33 is in a horizontal state or not can be checked, no matter whether the grinding disc 1 rotates or not, as long as the grinding disc 1 is in a horizontal state, the bubble 331 in the hemisphere level gauge 33 is in the circle center of the top of the hemisphere level gauge 33 and cannot deviate, if the grinding disc 1 deviates, the bubble 331 can also deviate, and the grinding disc 1 is not horizontal and needs to be calibrated, the occurrence of errors is avoided and the users are not aware of the errors;

then, six laser transmitters 31 are installed on the same plane, and every two laser transmitters 31 are aligned with a grinding head pressing plate 21 in the working position, so that when the grinding disk 1 starts to rotate, the horizontal calibration device 3 also rotates around the center of the grinding disk 1, the switches of the laser transmitters 31 are connected with the switches of the grinding disk 1, the grinding disk 1 starts to emit laser from the laser transmitters 31, at this time, the laser emitted from the laser transmitters 31 rotates and emits to the grinding head pressing plate 21 in work, similar to a horizontally rotating searchlight, if the grinding head pressing plate 21 is in horizontal rotation, the laser ray emitted from the laser transmitters 31 always irradiates on the edge of the grinding head pressing plate 21, and if the grinding head pressing plate 21 is inclined, the irradiation point of the laser ray is shifted to the center of the rotation of the grinding head pressing plate 21, the laser obviously irradiates the top plane of the grinding head pressing plate 21, so that the laser is easy to find and no misjudgment occurs;

the annular level meter 4 is fixedly sleeved on the grinding head rotating shaft 2, the annular level meter 4 is horizontally arranged, when the annular level meter 4 is in a horizontal state, the horizontal air ring 42 and the annular water column 43 in the annular level meter 4 are separated, and the separated separation surface is overlapped with the horizontal standard line 41, so that the horizontal standard line 41 can be used as a standard reference for judging whether the annular level meter 4 is in a horizontal state, at the moment, as long as the grinding head rotating shaft 2 is not in the horizontal state, the separation surface of the horizontal air ring 42 and the annular water column 43 and the horizontal standard line 41 are not on the same plane, the grinding head rotating shaft 2 can be judged not to rotate horizontally, at the moment, two sides of the processed glass sheet are certainly not parallel to each other, namely, the standard is met, the device is additionally arranged on a three-head plane grinding machine, so that the device is very accurate in processing, judge whether the product of processing out makes mistakes very easily, the audio-visual clear demonstration with the horizontality of two machined surfaces of abrasive disc 1 and bistrique clamp plate 21 of equipment comes to this device can also detect whether bistrique pivot 2 is the level, judges which of the part of problem, and convenient the maintenance does not influence the use moreover, and no matter whether operating condition can all carry out the check-up, and is very convenient directly perceived, is worth promoting.

Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.

Claims

1. The utility model provides a horizontal calibration device of flat grinder, three-head grinder include abrasive disc (1) and three bistrique pivot (2), three machined part swivel mount (11) have been set up on abrasive disc (1), bistrique pivot (2) lower extreme horizontally has fixed bistrique clamp plate (21), every bistrique clamp plate (21) can go up and down to separate inserting of one-to-one and establish in arbitrary one machined part swivel mount (11), its characterized in that: calibrating device includes horizontal calibrating device (3) and annular spirit level (4), horizontal calibrating device (3) include laser emitter (31), calibration base (32) and can measure hemisphere spirit level (33) of levelness, hemisphere spirit level (33) and laser emitter (31) are all installed on calibration base (32), calibration base (32) are fixed on grinding miller's abrasive disc (1) pivoted axle center, the laser of light emitter (31) is ejected mouthful and is aimed at bistrique clamp plate (21) top that operating condition ground the machine, the horizontal close cover of annular spirit level (4) is established on bistrique pivot (2).

2. The horizontal calibration device of a surface grinder as set forth in claim 1, wherein: hemisphere spirit level (33) are sealed hemisphere, hemisphere spirit level (33) are fixed at the top of calibration base (32), hemisphere spirit level (33) are inside to be set up water and bubble (331), bubble (331) are in the top centre of a circle department of hemisphere spirit level (33) when hemisphere spirit level (33) are horizontal.

3. The horizontal calibration device of a surface grinder as set forth in claim 2, wherein: the laser emitters (31) are provided with a plurality of laser emitters (31), the laser emitters (31) are horizontally arranged on the calibration base (32), the laser ray emitted by each laser emitter (31) is on the same horizontal plane with the grinding head pressing plate (21) in the working state, and the laser ray emitted by each two laser emitters (31) is aligned to the top of the grinding head pressing plate (21) in the same working state.

4. The horizontal calibration device of a surface grinder as set forth in claim 3, wherein: the laser emitter (31) is a laser pen, and the laser emitter (31) is electrically connected with a main switch of the plane grinder.

5. The horizontal calibration device of a surface grinder as set forth in claim 1, wherein: annular water column (43) and horizontal gas ring (42) have been filled in annular spirit level (4), the last horizontal standard line (41) of having marked of going back of annular spirit level (4), when annular spirit level (4) was horizontal, horizontal standard line (41) and horizontal gas ring (42) and annular water column (43) the parting line coincidence.