CN111452240B

CN111452240B - Directional viscose device of sapphire crystal bar

Info

Publication number: CN111452240B
Application number: CN202010264630.5A
Authority: CN
Inventors: 陈涛; 杨瑜锋; 周林; 邹锦锋
Original assignee: Guangdong Fuyuan Technology Co ltd
Current assignee: Guangdong Fuyuan Technology Co ltd
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2022-04-26
Anticipated expiration: 2040-04-07
Also published as: CN111452240A

Abstract

The invention discloses a sapphire crystal bar directional gluing device, and relates to the field of sapphire crystal bar processing. The method and the device solve the problem of large crystal orientation correction error in the prior art, and utilize the linear movement of the orientation needle to correct the crystal orientation marks of the sapphire crystal bars one by one, so that all the sapphire crystal bars can obtain good crystal orientation consistency. Comprises a substrate and a calibration mechanism which can horizontally move above the substrate; the base plate is provided with a sliding chute, and the extending direction of the sliding chute is the same as the horizontal moving direction of the correction mechanism; the upper part of the positioning mechanism freely extends to the upper part of the sliding chute, and the edge of the extending end and the edge of the sliding chute are kept horizontal; the calibration mechanism extends a directional needle to the chute.

Description

Directional viscose device of sapphire crystal bar

Technical Field

The invention relates to a processing auxiliary device of a sapphire crystal bar, in particular to a sapphire crystal bar directional gluing device.

Background

The synthetic sapphire has the chemical components of aluminum oxide and 9 Mohs hardness, which is second to diamond. Because of the characteristics of high hardness, good light transmission and high temperature resistance, the glass is widely applied to high-end products such as watch lenses and the like at present. Because sapphire has obvious optical characteristics, the crystal orientation relationship has an important influence on the later processing. The crystal orientation of the sapphire crystal bar in the axial direction can be determined during generation, but other crystal orientations need to be marked by an X-ray orientation instrument before slicing. And then bonding and fixing a plurality of sapphire crystal bars marked with the crystal directions for subsequent processes.

In production, after directional gluing is carried out on the sapphire crystal bar, slicing processing is carried out through a multi-wire cutting machine. Because the sapphire crystal has the characteristic of anisotropy, the physical properties of different crystal orientations are different, and the corresponding application is different, the oriented gluing of the sapphire crystal bar is particularly important.

As shown in fig. 1 and 2. The conventional directional gluing process of the sapphire crystal bar comprises the following steps:

a. the sapphire crystal bar 10 is placed on an X-ray orientation instrument for orientation, and a small segment of straight line is marked on the side surface of the sapphire crystal bar to serve as a crystal orientation mark 11.

b. The sticky iron plate 21 is laid on the table top, and the surface is cleaned without stains.

c. Taking out the V-shaped resin strip 22, and cleaning the bottom plane without stains.

d. And (4) preparing glue, and flatly coating a layer on the bottom plane of the V-shaped resin strip 22.

e. One side of the glue spread is pressed on the glue iron plate 21 and is positioned by the L-shaped positioning plate 23, so that the long side of the V-shaped resin strip 22 is parallel to the long side of the glue iron plate 21.

f. And (3) blending another glue, and coating the V-shaped groove of the V-shaped resin strip 22 after the glue on the glue iron plate 21 is cured. Pressing the opposite positions of the crystal orientation marks 11 of a plurality of sapphire crystal bars 10 on the V-shaped groove for centering. Each sapphire crystal bar 11 is rotationally adjusted to keep the respective crystal orientation marks 11 on the same straight line as much as possible. Typically a V-shaped resin strip 22, on which three sapphire boules are placed.

g. And after the glue is solidified, finishing the directional gluing. The adhesive iron plate 21 and the V-

shaped resin strips

22 and 10 serve as a common adhesive body for subsequent processes.

The conventional viscose has the following disadvantages: the sapphire crystal bar which is not arranged on the same viscose iron plate 21 has larger possible difference of crystal orientation, which is not beneficial to the retrospective analysis in the subsequent batch production; the sapphire crystal bar can not be sliced within the specified crystal orientation deviation range, poor wafer warping is easy to occur during processing, and the stability of the slicing yield is seriously influenced; the conventional directional gluing mode is greatly influenced by human factors and is not beneficial to quantitative production. The main reason is that the distance between the crystal orientation mark 11 and the V-shaped groove is large, and the error of a manual visual inspection mode is large. Because even if the crystal bar rotates by 1 degree, the crystal bar is amplified in times in the later slicing process, and further increase of errors is caused. Different crystal bars processed in different batches have different diameters and different error changes, so that the crystal bars cannot be corrected through an empirical formula.

Disclosure of Invention

In order to solve the problems in the prior art, the invention aims to provide a sapphire ingot oriented gluing device to improve the accuracy and efficiency of oriented gluing.

The invention relates to a sapphire crystal bar directional gluing device which comprises a substrate and a correcting mechanism capable of horizontally moving above the substrate; the base plate is provided with a sliding chute, and the extending direction of the sliding chute is the same as the horizontal moving direction of the correction mechanism; the upper part of the positioning mechanism freely extends to the upper part of the sliding chute, and the edge of the extending end and the edge of the sliding chute are kept horizontal; the calibration mechanism extends a directional needle to the chute.

The sapphire crystal bar directional gluing device has the advantages that the gluing iron plate is fixed through the sliding groove; and then the viscose iron plate and the V-shaped resin strip are accurately positioned by the aid of a positioning mechanism. When a plurality of sapphire crystal bars are placed on the V-shaped resin strip, the sapphire crystal bars can be corrected one by one through a correction mechanism, and the orientation needle is used as a reference for correcting the positions of the crystal orientation marks. Because the orientation needle is closer to the crystal orientation mark, the calibration distance of the V-shaped groove in the prior art is obviously reduced. The crystal orientation consistency of each sapphire crystal bar in each common bonding body is effectively improved; and each part is correspondingly and quickly positioned from the viscose iron plate, so that the production efficiency of the common adhesive body is effectively accelerated.

At least one end of the base plate is provided with a first sliding rail, and the lower end of the correction mechanism is in sliding fit with the first sliding rail. It is to provide a translation structure with a matched base plate and a calibration mechanism.

The correcting mechanism at least comprises a vertical arm and a cross beam arranged on the vertical arm, and the cross beam extends from the vertical arm to the upper part of the sliding chute; the lower end of the vertical arm is in sliding fit with the first sliding rail, and the cross beam is provided with a directional needle extending to the sliding groove. In providing at least one embodiment of a collation mechanism.

The cross beam is in sliding fit with the drop arm and is provided with a first locking piece for fixing the relative position of the drop arm and the cross beam. The device can adapt to different diameters of sapphire crystal bars in different production batches, and the application range of the device is widened.

The directional needle is of a telescopic rod structure. The device can independently operate to meet different sapphire crystal bar diameter requirements, and can realize the function of fine adjustment of the distance between the beam and the sapphire crystal bar after the beam slides.

The orientation needle is in sliding fit with the cross beam, and a second locking piece used for fixing the relative position of the cross beam and the orientation needle is arranged. The application range of the device is favorably improved, and the adaptability to the diameter of the sapphire crystal bar is stronger.

The base plate is provided with a second sliding rail which extends along the same direction with the sliding groove on one side of the sliding groove, and the positioning mechanism is in sliding fit with the second sliding rail. In the process of linear sliding of the positioning mechanism, the relative positioning of the V-shaped resin strip and the viscose iron plate is more accurate and faster.

The positioning mechanism comprises at least one positioning plate, the lower side of the positioning plate is in sliding fit with the second sliding rail, and the upper part of the positioning plate extends towards the upper part of the sliding groove. The number of the positioning plates can be more than two, and the positioning plates can also be wide enough to meet the extending distance of the V-shaped resin strips. Of course, it is obvious to those skilled in the art that when the number is more than two, the extending distance of each positioning plate to the sliding groove is the same, so as to ensure that the edges of the V-shaped resin strips and the adhesive iron plates are kept horizontal.

The number of the sliding grooves is two, and the sliding grooves are arranged on the substrate in parallel; the positioning mechanism is arranged between the two sliding chutes; the calibration mechanism is provided with two directional needles, and each directional needle extends towards one sliding chute. Two common adherends can be produced by one-time operation, and the working efficiency is effectively improved; meanwhile, the symmetry of the device is improved, and the stability of a mechanical structure is facilitated.

Drawings

FIG. 1 is a schematic view of a prior art sapphire ingot oriented glue.

FIG. 2 is a schematic diagram of the bonding of the sapphire ingot and the V-shaped resin strip of FIG. 1.

Fig. 3 is a schematic structural diagram of the sapphire ingot oriented gluing device of the present invention.

FIG. 4 is a schematic view of the engagement of the drop arm, cross member and orientation pin.

Fig. 5 is a top view of fig. 3.

Fig. 6 is a front view of fig. 3.

Fig. 7 is a schematic view showing the change of state of the cross member after displacement on the drop arm.

Fig. 8 is a first schematic view of the working state of the sapphire ingot orientation bonding apparatus of the present invention.

Fig. 9 is a second schematic view of the working state of the sapphire ingot orientation bonding apparatus of the present invention.

Reference numerals: 10-sapphire crystal bar and 11-crystal orientation mark; 21-viscose iron plate, 22-V type resin strip, 23-L type locating plate; 30-a base plate, 31-a sliding chute, 32-a first sliding rail and 33-a second sliding rail; 41-vertical arm, 42-cross beam, 43-orientation needle and 44-orientation mechanism.

Detailed Description

As shown in fig. 3-6, the sapphire ingot orientation bonding apparatus of the present invention mainly includes a substrate 30 and a calibration mechanism located above the substrate 30. The calibration mechanism can be horizontally moved above the substrate 30 by a suspension arm or other suspension means, or can be matched with the substrate 30 to slide by a slide rail and slide block. The present embodiment is illustrated in a slip fit configuration and should not be understood to exclude other suspended embodiments.

The middle of the substrate 30 is provided with a second slide rail 33, the two ends of the substrate are respectively provided with a first slide rail 32, and the second slide rail 33 and the first slide rail 32 are located on the same plane and extend in the same direction. The calibration mechanism comprises a left vertical arm 41 and a right vertical arm 41 respectively and a cross beam 42 connected between the two vertical arms 41, and the lower ends of the vertical arms 41 are in sliding fit with the corresponding first slide rails 32 respectively. Opposite surfaces of the two hanging arms 41 are respectively provided with a groove body for the cross beam 42 to slide up and down, and the cross beam 42 and the hanging arms 41 are locked or released and locked at opposite positions through a first locking piece. The lower side of the beam 42 is provided with a groove body for the horizontal sliding of the orientation needle 43, and the beam 42 and the orientation needle 43 are locked or unlocked and locked in relative positions through a second locking piece. The first locking member and/or the second locking member may be knurled screws.

The base plate 30 is provided with a sliding groove 31 at two sides of the second sliding rail 33, and the sliding groove 31 is used for allowing the adhesive iron plate 21 to slide in and out and limiting the adhesive iron plate 21 left and right. At least one positioning plate is arranged on the second slide rail 33 as a positioning mechanism 44. The positioning plate is in sliding fit with the second slide rail 33, and the upper part of the positioning plate extends towards the sliding groove 31 and is used for keeping the V-shaped resin strip 22 and the viscose iron plate 21 relatively parallel. When the number of the positioning plates is more than two, the positioning plates are parallel to each other, and the extending distances are consistent. A directional needle 43 extends from the cross beam 42 to each slide slot 31.

The working process of the sapphire crystal bar orientation gluing device is shown in figures 7-9. The orienting needle 43 is first moved away from the chute 31 as shown in fig. 7. The glue iron plate 21 is then cleaned and slid into the chute 31. The V-shaped resin strip 22 is cleaned, glue is coated on the bottom of the V-shaped resin strip, and the V-shaped resin strip is placed above the glue iron plate 21. The relative position of the glue iron plate 21 and the V-shaped resin strip 22 is determined by the aid of the positioning mechanism 44, and the glue is waited to be cured. And coating glue on the V-shaped grooves of the V-shaped resin strips 22, and putting the required sapphire crystal bars 10 one by one, wherein the crystal orientation marks 11 of the sapphire crystal bars 10 are generally not in the same straight line. The orientation pin 43 is moved toward the sapphire ingot 10 so that the tip of the orientation pin 43 approaches the side surface of the sapphire ingot 10, as shown in fig. 8. And (3) sliding the alignment mechanism to enable the orientation needle 43 to be positioned above the crystal orientation mark 11 of the first sapphire crystal bar 10, and rotating and adjusting the crystal orientation mark 11 of the first sapphire crystal bar 10 to enable the crystal orientation mark 11 to be aligned with the orientation needle 43. Then, the alignment mechanism is slid to enable the orientation needle 43 to be positioned above the crystal orientation mark 11 of the second sapphire crystal bar 10, and the crystal orientation mark 11 of the second sapphire crystal bar 10 is adjusted in a rotating mode. Similarly, the sliding correction mechanism makes the orientation needle 43 sequentially correct the crystal orientation marks 11 of each sapphire crystal bar 10, so that each crystal orientation mark 11 is adjusted to be on the same straight line, as shown in fig. 9. And finally, sliding and taking out the adhesive iron plate 21 after all the glue is cured.

It will be apparent to those skilled in the art that various other changes and modifications may be made in the above-described embodiments and concepts and all such changes and modifications are intended to be within the scope of the appended claims.

Claims

1. The sapphire crystal bar directional gluing device is characterized by comprising a base plate (30) and a correcting mechanism which can horizontally move above the base plate (30); the base plate (30) is provided with a sliding chute (31), and the extending direction of the sliding chute (31) is the same as the horizontal moving direction of the correction mechanism; the base plate (30) is also provided with a positioning mechanism (44) on one side of the sliding chute (31), the upper part of the positioning mechanism (44) freely extends to the upper part of the sliding chute (31), and the edge of the extending end is kept horizontal with the edge of the sliding chute (31); the calibration mechanism extends a directional needle (43) to the chute (31);

at least one end part of the base plate (30) is provided with a first slide rail (32), and the lower end of the correction mechanism is in sliding fit with the first slide rail (32);

the correcting mechanism at least comprises a hanging arm (41) and a cross beam (42) arranged on the hanging arm (41), and the cross beam (42) extends from the hanging arm (41) to the upper part of the sliding chute (31); the lower end of the vertical arm (41) is in sliding fit with the first sliding rail (32), and the cross beam (42) is provided with a directional needle (43) extending to the sliding chute (31);

the cross beam (42) is in sliding fit with the drop arm (41), and is provided with a first locking piece for fixing the relative position of the drop arm (41) and the cross beam (42);

the directional needle (43) is of a telescopic rod structure;

the orientation needle (43) is in sliding fit with the cross beam (42) and is provided with a second locking piece for fixing the relative position of the cross beam (42) and the orientation needle (43);

a second sliding rail (33) extending in the same direction as the sliding groove (31) is arranged on one side of the sliding groove (31) of the base plate (30), and the positioning mechanism (44) is in sliding fit with the second sliding rail (33);

the positioning mechanism (44) comprises at least one positioning plate, the lower side of the positioning plate is in sliding fit with the second sliding rail (33), and the upper part of the positioning plate extends to the upper part of the sliding chute (31);

the number of the sliding grooves (31) is two, and the sliding grooves are arranged on the base plate (30) in parallel; the positioning mechanism (44) is arranged between the two sliding chutes (31); the calibration mechanism is provided with two directional needles (43), and each directional needle (43) extends towards one sliding chute (31).