阅读说明：本技术 一种厚玻璃精确定位切割工艺 (Thick glass accurate positioning cutting process ) 是由 韩巍巍 韩威风 于 2021-09-26 设计创作，主要内容包括：本发明公开了一种厚玻璃精确定位切割工艺,该厚玻璃精确定位切割工艺通过高精度切割机定位,再用线切割机切割,完成通过精确定位将厚玻璃切割成条形的工艺过程,切割后产品位置度偏差10μm。解决了现有条件下,超出高精度切割机切割厚度范围的产品,只能线切割,无法满足切割后产品尺寸精度要求的问题。(The invention discloses a thick glass accurate positioning cutting process, which is characterized in that a high-precision cutting machine is used for positioning, a linear cutting machine is used for cutting, the process of cutting thick glass into strips through accurate positioning is completed, and the deviation of the position degree of the cut products is 10 micrometers. The problem of under the existing condition, surpass the product of high accuracy cutting machine cutting thickness scope, only can the wire-electrode cutting, can't satisfy the product size precision requirement after the cutting is solved.)

1. A thick glass precise positioning and cutting process is characterized by comprising the following process steps:

s1, positioning and cutting the thick glass product to be cut in a high-precision cutting machine:

a1, firstly programming according to the requirements of thick glass products to be cut, and then guiding the glass products into a high-precision cutting machine;

a2, pasting a thick glass product to be cut on a UV film, and placing the UV film on a high-precision cutting machine processing platform;

a3, manual in-focus: the direction key of the high-precision cutting machine is manually operated, so that the movement of a camera in the machine can be controlled, and the camera is moved to the side line position of a thick glass product to be cut;

a4, finding two positioning points on one side of the side line position of the thick glass product to be cut, wherein two points form a line, and similarly, finding two positioning points on the other side perpendicular to the side line, wherein two points form a line, and the two lines intersect to form a vertical coordinate axis;

a5, cutting by translating the distance of the required cutting position according to a vertical coordinate axis and taking the X axis of the vertical coordinate axis as a reference line according to a programmed program, and cutting a V-shaped groove with the length of 150mm, the opening width of 0.25mm and the depth of 0.3 mm;

a6, after cutting, dispergating the UV film through ultraviolet irradiation, and cleaning the cut product;

s2, cutting the product positioned and cut by the high-precision cutting machine into strips by the wire cutting machine:

b1, fixing the support plate on a lifting workbench of the wire cutting machine;

b2, reversely buckling and placing the product positioned and cut by the high-precision cutting machine on a linear cutting steel wire, and flatly placing the position of the cut V-shaped groove aligned with the linear cutting steel wire;

b3, coating glue on the back of the product;

b4, moving the carrier plate downwards to a position 0.1-0.5mm away from the product, confirming whether the position of the V-shaped groove of the product is aligned with the linear cutting steel wire again,

b5, driving the product to be even by the left and right rotation of the roller; standing for 5 minutes for linear cutting;

b6, degumming and cleaning the product after the wire cutting to finish the whole thick glass accurate positioning cutting process.

2. The precise positioning and cutting process for thick glass according to claim 1, wherein in the step a5, the opening width of the V-shaped groove is in the range of 0.1-1mm, and the depth is greater than the wire diameter of the wire for wire cutting.

3. The precise positioning and cutting process for thick glass according to claim 1, wherein the carrier plate is fixed on the wire cutting machine by bolts.

4. The process of claim 1, wherein in step b3, a protective glass layer is added on the back of the product coated with glue.

5. The precise cutting process of claim 1, wherein in step b5, the linear cutting speed is 500-1000m/min, the lowering speed of the worktable is 5-12mm/min, and the linear tension is 25-35N.

Technical Field

The invention relates to the technical field of optical product cutting, in particular to a thick glass precise positioning cutting process for cutting thick glass into strips through precise positioning.

Background

The existing optical product cutting is generally carried out by a high-precision cutting machine or a common wire cutting machine, the products with thin thickness are generally required to be positioned and cut by the high-precision cutting machine, the position degree requirement is not required to be met when the products with excessive thickness are cut, and the products only need to be cut by the common wire cutting machine.

However, technology is developing, the times are advancing, products are innovated, products with thickness exceeding the cutting range (more than 5 mm) of a high-precision cutting machine are produced at present, pattern marks are marked on the products subjected to cutting processing at this time, the cutting positions have position precision requirements, high-precision positioning cutting is needed, and a large number of machines capable of accurately cutting according to mark points are available in the market.

Disclosure of Invention

In order to solve the technical problem, the invention designs a thick glass accurate positioning and cutting process. Positioning by a high-precision cutting machine, and cutting by a linear cutting machine to finish the technological process of cutting thick glass into strips by precise positioning.

The invention adopts the following technical scheme:

a thick glass precise positioning and cutting process comprises the following process steps:

s1, positioning and cutting the thick glass product to be cut in a high-precision cutting machine:

a1, firstly programming according to the requirements of thick glass products to be cut, and then guiding the glass products into a high-precision cutting machine;

a2, pasting a thick glass product to be cut on a UV film, and placing the UV film on a high-precision cutting machine processing platform;

a3, manual in-focus: the direction key of the high-precision cutting machine is manually operated, so that the movement of a camera in the machine can be controlled, and the camera is moved to the side line position of a thick glass product to be cut;

a4, finding two positioning points on one side of the side line position of the thick glass product to be cut, wherein two points form a line, and similarly, finding two positioning points on the other side perpendicular to the side line, wherein two points form a line, and the two lines intersect to form a vertical coordinate axis;

a5, cutting by translating the distance of the required cutting position according to a vertical coordinate axis and taking the X axis of the vertical coordinate axis as a reference line according to a programmed program, and cutting a V-shaped groove with the length of 150mm, the opening width of 0.25mm and the depth of 0.3 mm;

a6, after cutting, dispergating the UV film through ultraviolet irradiation, and cleaning the cut product;

s2, cutting the product positioned and cut by the high-precision cutting machine into strips by the wire cutting machine:

b1, fixing the support plate on a lifting workbench of the wire cutting machine;

b2, reversely buckling and placing the product positioned and cut by the high-precision cutting machine on a linear cutting steel wire, and flatly placing the position of the cut V-shaped groove aligned with the linear cutting steel wire;

b3, coating glue on the back of the product;

b4, moving the carrier plate downwards to a position 0.1-0.5mm away from the product, confirming whether the position of the V-shaped groove of the product is aligned with the linear cutting steel wire again,

b5, driving the product to be even by the left and right rotation of the roller; standing for 5 minutes for linear cutting;

b6, degumming and cleaning the product after the wire cutting to finish the whole thick glass accurate positioning cutting process.

Preferably, in the step a5, the opening width of the V-shaped groove ranges from 0.1 to 1mm, and the depth ranges from greater than the wire diameter of the wire-cut steel wire. The advantage of V type recess is that later stage wire-electrode cutting is more accurate than U type recess, and the condition that wire-electrode cutting steel wire line swung can appear in U type recess, leads to appearing the deviation of position degree 40 mu m, and the product position degree deviation after using the last cutting behind the V type recess is 10 mu m.

Preferably, the carrier plate is fixed on a lifting workbench of the wire cutting machine through bolts.

Preferably, in step b3, a layer of protective glass is added on the back of the glued product.

Preferably, in step b5, the linear speed of the wire cutting is 500-1000m/min, the descending speed of the workbench is 5-12mm/min, and the wire tension is 25-35N.

The invention has the beneficial effects that: the invention designs a thick glass accurate positioning cutting process, which is characterized in that a high-precision cutting machine is used for positioning, then a linear cutting machine is used for cutting, the process of cutting thick glass into strips through accurate positioning is completed, and the deviation of the size precision of the cut products is 10 mu m. The problem of under the existing condition, surpass the product of high accuracy cutting machine cutting thickness scope, only can the wire-electrode cutting, can't satisfy the product size precision requirement after the cutting is solved.

Detailed Description

The technical scheme of the invention is further described in detail by the following specific examples:

example (b): a thick glass precise positioning and cutting process comprises the following process steps:

s1, positioning and cutting the thick glass product to be cut in a high-precision cutting machine:

a1, firstly programming according to the requirements of thick glass products to be cut, and then guiding the glass products into a high-precision cutting machine;

a2, pasting a thick glass product to be cut on a UV film, and placing the UV film on a high-precision cutting machine processing platform;

a3, manual in-focus: the direction key of the high-precision cutting machine is manually operated, so that the movement of a camera in the machine can be controlled, and the camera is moved to the side line position of a thick glass product to be cut;

a4, finding two positioning points on one side of the side line position of the thick glass product to be cut, wherein two points form a line, and similarly, finding two positioning points on the other side perpendicular to the side line, wherein two points form a line, and the two lines intersect to form a vertical coordinate axis;

a5, cutting by translating the distance of the required cutting position according to a vertical coordinate axis and taking the X axis of the vertical coordinate axis as a reference line according to a programmed program, and cutting a V-shaped groove with the length of 150mm, the opening width of 0.25mm and the depth of 0.3 mm;

a6, after cutting, dispergating the UV film through ultraviolet irradiation, and cleaning the cut product;

s2, cutting the product positioned and cut by the high-precision cutting machine into strips by the wire cutting machine:

b1, fixing the support plate on a lifting workbench of the wire cutting machine;

b2, reversely buckling and placing the product positioned and cut by the high-precision cutting machine on a linear cutting steel wire, and flatly placing the position of the cut V-shaped groove aligned with the linear cutting steel wire;

b3, coating glue on the back of the product;

b4, moving the carrier plate downwards to a position 0.5mm away from the product, aligning the position of the V-shaped groove of the product with the wire cutting steel wire again, adhering the product to the carrier plate,

b5, making the glue uniform by the left and right rotation of the roller; standing for 5 minutes for linear cutting;

b6, degumming and cleaning the product after the wire cutting to finish the whole thick glass accurate positioning cutting process.

In the step a5, the opening width of the V-shaped groove ranges from 0.1 mm to 1mm, and the depth range is larger than the diameter of the wire-electrode cutting steel wire. The advantage of V type recess is that later stage wire-electrode cutting is more accurate than U type recess, and the condition that wire-electrode cutting steel wire line swung can appear in U type recess, leads to appearing the deviation of position degree 40 mu m, and the product position degree deviation after using the last cutting behind the V type recess is 10 mu m.

The support plate is fixed on the wire cutting machine through bolts.

In step b3, a layer of protective glass is added on the back of the glue-coated product.

In step b5, the linear speed of the wire cutting is 500-1000m/min, the descending speed of the workbench is 5-12mm/min, and the wire tension is 25-35N.

The thick glass precise positioning cutting process is characterized in that the thick glass is positioned by a high-precision cutting machine and then cut by a linear cutting machine, the process of cutting the thick glass into strips by precise positioning is completed, and the deviation of the size precision of the cut products is 10 micrometers. The problem of under the existing condition, surpass the product of high accuracy cutting machine cutting thickness scope, only can the wire-electrode cutting, can't satisfy the product size precision requirement after the cutting is solved.

The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.