CN216404205U

CN216404205U - Glass cutting knife and glass cutting equipment

Info

Publication number: CN216404205U
Application number: CN202122823122.9U
Authority: CN
Inventors: 司天仁; 李俊生; 杨道辉; 张北斗; 杨世民; 李斌; 韩春林; 李兆廷
Original assignee: Gansu Xusheng Display Technology Co ltd; Dongxu Optoelectronic Technology Co Ltd; Beijing Yuanda Xinda Technology Co Ltd
Current assignee: Gansu Xusheng Display Technology Co ltd; Dongxu Optoelectronic Technology Co Ltd; Beijing Yuanda Xinda Technology Co Ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-04-29
Anticipated expiration: 2031-11-17

Abstract

The utility model relates to the field of glass cutting equipment, and discloses a glass cutter and glass cutting equipment. The tool bit of above scheme is owing to receive the hindrance and remove to the removal space in the twinkling of an eye in contact with the glass substrate, under the effect of elastic component, the glass substrate only receives the pressure value the same with the set pressure value, and surpasss the pressure of set pressure value and then absorbed by the elastic component to make the glass cutting knife be not more than the set pressure value to the pressure of glass substrate all the time, consequently can make the tangent line even.

Description

Glass cutting knife and glass cutting equipment

Technical Field

The utility model relates to the field of glass cutting equipment, in particular to a glass cutter and glass cutting equipment.

Background

An OLED (also called organic electroluminescent display, organic light emitting semiconductor) is a device that generates electroluminescence by using a multi-layer organic thin film structure, and is widely used in a flat panel display because its manufacturing process is simple and only requires a low driving voltage when used.

OLED support plate glass need use the cutting knife to cut the glass substrate in process of production, when cutting, especially transversely cut, to the required quality of tangent line higher, through the high requirement to tangent line homogeneity, avoids follow-up breaking off with the fingers and thumb the condition of disconnected harmfully, and then formation defective products when breaking off with the fingers and thumb the operation to the glass substrate. However, in the prior art, the power for advancing the cutting knife to contact the glass substrate, retreating the cutting knife to separate from the glass substrate and moving the cutting knife is provided by the air cylinder, when the air cylinder drives the cutting knife to advance to reach the designated position, due to the driving inertia, the actual pressure on the glass substrate is greater than the set pressure value of cutting at the moment that the cutting knife contacts the glass substrate, and the pressure on the glass substrate is the same as the set pressure value during moving cutting, so that the tangent line is not uniform, and defective products are generated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the actual pressure on a glass substrate is larger than a set pressure value due to driving inertia at the moment that a cutting knife contacts the glass substrate in the prior art, and provides a glass cutting knife and glass cutting equipment.

In order to achieve the above object, an aspect of the present invention provides a glass cutter including:

the mounting seat is provided with a moving space, and the moving space is provided with an opening;

the non-cutting end of the cutter head extends into the moving space through the opening and can move back and forth in the moving space along the axial direction of the opening; and

an elastic member disposed in the moving space to provide an elastic force for moving the non-cutting end toward the opening.

Preferably, a blocking part is arranged at the opening and used for blocking the non-cutting end from separating from the moving space.

Preferably, the blocking portion is an annular blocking wall arranged around the opening, and the non-cutting end comprises an annular protrusion arranged on the cutter head, and the annular protrusion can abut against the annular blocking wall.

Preferably, the elastic member is a spring, one end of the spring is connected to the non-cutting end, and the other end of the spring is connected to one side of the moving space far away from the opening.

Preferably, in an axial direction of the opening, a circumferential profile of the spring, a circumferential profile of the non-cutting end and a circumferential profile of the movement space are adapted.

Preferably, the glass cutter comprises a limiting structure, and the limiting structure is arranged to enable the cutter head to move only along the axial direction of the opening.

Preferably, the limit structure includes:

a projection provided on one of the non-cutting end and the moving space side wall; and

a slide groove portion provided on the other of the non-cutting end and the side wall of the moving space, the slide groove portion extending in the axial direction of the opening, the projecting portion being embedded in the slide groove portion and being movable along the slide groove portion.

Preferably, the limiting structures are arranged in at least two axially symmetrical positions along the non-cutting end.

In another aspect, the utility model provides a glass cutting device, which comprises the glass cutter.

Preferably, the glass cutting equipment further comprises an air cylinder, and the air cylinder is connected with the mounting seat to drive the glass cutting knife to move towards or away from the glass substrate.

Through the technical scheme, the mounting seat is provided with the moving space for accommodating the elastic piece and the non-cutting end of the cutter head, the non-cutting end can move in the moving space along the axial direction of the opening of the moving space, and the non-cutting end is always subjected to the elastic force provided by the elastic piece and moves towards the opening, when the cutter head is subjected to impact pressure and moves in the moving space, the elastic piece plays a buffering role on the cutter head, namely at the moment that the cutter head contacts the glass substrate, the cutter head is blocked by the glass substrate and moves in the moving space, under the action of the elastic piece, the glass substrate is only subjected to the pressure value which is the same as the set pressure value, the pressure which is generated by driving inertia and exceeds the set pressure value is absorbed by the elastic piece, when the driving inertia is eliminated, namely when the impact pressure is eliminated, the elastic piece can drive the reset, so that the cutter head is kept in contact with the glass substrate, therefore, when the glass substrate is cut by using the glass cutter, the pressure of the glass cutter on the glass substrate is not greater than the set pressure value all the time, so that the tangent line is uniform, and the generation of defective products is avoided.

Drawings

FIG. 1 is a front cross-sectional view of one embodiment of the glass cutter of the present invention;

fig. 2 is a sectional view a-a in fig. 1.

Description of the reference numerals

1. A mounting seat; 2. a movement space; 3. a cutter head; 4. a non-cutting end; 5. an elastic member; 6. a blocking portion; 7. a projection.

Detailed Description

The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

The utility model provides a glass cutter, which comprises an installation seat 1, a cutter head 3 and an elastic piece 5, wherein the installation seat 1 is provided with a moving space 2, the moving space 2 is provided with an opening, a non-cutting end 4 of the cutter head 3 extends into the moving space 2 through the opening and can move back and forth in the moving space 2 along the axial direction of the opening, and the elastic piece 5 is arranged in the moving space 2 and used for providing elastic force for enabling the non-cutting end 4 to move towards the opening.

Through the technical scheme, the mounting seat 1 is provided with a moving space for accommodating the elastic part 5 and the non-cutting end 4 of the cutter head, the non-cutting end 4 can move in the moving space 2 along the axial direction of the opening of the moving space 2, and the non-cutting end 4 is always subjected to the elastic force provided by the elastic part 5 and moves towards the opening, when the cutter head 3 is subjected to impact pressure and moves in the moving space 2, the elastic part 5 has a buffering effect on the cutter head 3, namely the cutter head 3 is required to always provide stable pressure for the glass substrate in the process of cutting the glass substrate by the cutter head 3, namely the stable pressure is set pressure value, the elastic force of the elastic part 5 is the same as the set pressure value, at the moment when the cutter head 3 contacts the glass substrate, due to the driving inertia, the actual pressure generated by the elastic part is larger than the set pressure value, namely the actual pressure exceeds the elastic force of the elastic part 5, at this moment, the cutter head 3 is blocked by the glass substrate and moves in the moving space 2, elastic component 5 pressurized compression, make the glass substrate only receive the pressure the same with the set pressure value, and because drive inertia produces, and surpass the pressure of set pressure value and then absorbed by elastic component 5, when drive inertia eliminates, when impact pressure eliminates promptly, elastic component 5 can drive tool bit 3 and reset, make tool bit 3 keep with the contact of glass substrate, thereby make tool bit 3 keep the same with the set pressure value to the pressure of glass substrate, and then accomplish cutting process, consequently, use the glass cutting knife of this embodiment when cutting the glass substrate, the glass cutting knife is not more than the set pressure value to the pressure of glass substrate all the time, consequently, can make the tangent line even, avoid producing the defective products.

In order to limit the limit length of the whole body of the tool bit 3 and the mounting seat 1, so that when the glass substrate is cut, the processing positions of the tool bit 3 and the mounting seat 1 can be determined, and meanwhile, the tool bit 3 is prevented from moving forward compared with the mounting seat 1 under the action of driving inertia, so that the tool bit 3 impacts the glass substrate or exerts larger pressure on the glass substrate, and even the tool bit 3 is separated from the mounting seat 1, as shown in fig. 1, a blocking portion 6 is arranged at the opening of the glass cutter of the present embodiment, and the blocking portion 6 is used for blocking the non-cutting end 4 from being separated from the moving space 2. Of course, in another embodiment, the stopper 6 may not be provided, and the moving speed of the entire tool bit 3 and the mount 1 may be controlled by the elastic force of the elastic member, thereby avoiding the above problem.

The specific structure of the blocking portion 6 is not limited in the present invention, and preferably, as in the embodiment shown in fig. 1, the blocking portion 6 is an annular blocking wall disposed around the opening, and the non-cutting end 4 includes an annular protrusion disposed on the cutting head 3, and the annular protrusion can abut against the annular blocking wall. Of course, in other embodiments, the blocking portion 6 may be a plurality of bosses spaced around the opening, and the non-cutting end 4 may be an annular protrusion provided on the cutting head 3; or the blocking part 6 is an annular blocking wall arranged around the opening, and the non-cutting end 4 is a plurality of bosses arranged on the cutter head at intervals along the circumferential direction of the cutter head.

The specific structure of the elastic member 5 is not limited in the present invention, and preferably, as in the embodiment shown in fig. 1, the elastic member 5 is a spring, one end of the spring is connected to the non-cutting end 4, and the other end of the spring is connected to the side of the moving space 2 away from the opening, preferably, the spring is connected in an abutting manner with both the non-cutting end 4 and the side of the moving space 2 away from the opening, and a hook structure may be provided for connection. Of course, in other embodiments, the elastic member 5 may be a cylinder or a cylinder supported by an elastic material, such as a rubber column or a rubber tube.

In order to avoid that the elastic member is pressed to rotate or bend in the moving space 2, so that the elastic force moving towards the opening cannot be continuously provided for the non-cutting end 4, and meanwhile, to avoid that the non-cutting end 4 shakes in the moving space 2 along the radial direction or the circumferential direction of the moving space 2, so that the cutting end of the cutter head 3 shakes, the straightness of a tangent line is affected, and a defective product is caused, further, as shown in fig. 1, the circumferential profile of the spring and the circumferential profile of the non-cutting end 4 in the embodiment are matched with the circumferential profile of the moving space 2.

In order to avoid the rotation of the cutting head 3 and the mounting seat 1 around the axial direction of the opening and the play in the radial direction of the opening, further, as shown in the embodiment shown in fig. 1, the glass cutter comprises a limiting structure which is configured to enable the cutting head 3 to move only along the axial direction of the opening.

The specific structure of the limiting structure is not limited in the present invention, and preferably, as in the embodiment shown in fig. 2, the limiting structure includes a protruding portion 7 and a sliding groove portion, the protruding portion 7 is disposed on one of the non-cutting end 4 and the side wall of the moving space 2, the sliding groove portion is disposed on the other of the non-cutting end 4 and the side wall of the moving space 2, the sliding groove portion extends along the axial direction of the opening, the protruding portion 7 is embedded in the sliding groove portion and can move along the sliding groove portion, and preferably, the protruding portion 7 and the sliding groove portion are disposed in a V-shaped structure, but may also be rectangular or semicircular. Of course, in other embodiments, separate projections 7 and slide grooves may not be provided, and when the non-cutting end 4 and the displacement space 2 are provided with a polygonal cross-section, the polygonal edges thereof serve as corresponding projections 7 and slide grooves. Of course, in other embodiments, the limiting structure may also be a linear slide rail.

The number of the limiting structures is not limited in the present invention, and preferably, as in the embodiment shown in fig. 2, the limiting structures are arranged in two symmetrical positions along the axial direction of the non-cutting end 4. Of course, in other embodiments, only one or more than two limiting structures may be provided.

Through setting up above glass cutting knife, glass cutting equipment is when cutting the glass substrate, and its pressure to the glass substrate is not more than the set pressure value all the time, consequently can make the tangent line even, avoids producing the defective products.

Preferably, in this embodiment, the glass cutting apparatus further includes an air cylinder connected to the mounting base 1 to drive the glass cutter to move toward or away from the glass substrate. Of course, in other embodiments, a mechanical arm or hydraulic device may be connected to the mounting base 1 to drive the glass cutter to move toward or away from the glass substrate.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the utility model, numerous simple modifications can be made to the technical solution of the utility model, including combinations of the specific features in any suitable way, and the utility model will not be further described in relation to the various possible combinations in order to avoid unnecessary repetition. Such simple modifications and combinations should be considered within the scope of the present disclosure as well.

Claims

1. A glass cutting knife, comprising:

the mounting seat (1), the mounting seat (1) is provided with a moving space (2), and the moving space (2) is provided with an opening;

the non-cutting end (4) of the cutter head (3) extends into the moving space (2) through the opening and can move back and forth in the moving space (2) along the axial direction of the opening; and

a resilient member (5), the resilient member (5) being arranged in the moving space (2) for providing a resilient force for moving the non-cutting end (4) towards the opening.

2. Glass cutter according to claim 1, characterised in that a blocking part (6) is arranged at the opening, and the blocking part (6) is used for blocking the non-cutting end (4) from leaving the moving space (2).

3. The glass cutting knife according to claim 2, characterized in that the blocking portion (6) is an annular blocking wall arranged around the opening, and the non-cutting end (4) comprises an annular projection arranged on the cutting head (3), which annular projection can abut against the annular blocking wall.

4. The glass cutting knife according to claim 1, characterized in that the elastic element (5) is a spring, one end of which is connected to the non-cutting end (4) and the other end of which is connected to the side of the movement space (2) remote from the opening.

5. The glass cutting knife according to claim 4, characterized in that the circumferential profile of the spring, the circumferential profile of the non-cutting end (4) and the circumferential profile of the movement space (2) are adapted in the axial direction of the opening.

6. Glass cutter according to any of claims 1-5, characterized in that it comprises a stop structure arranged to enable the cutter head (3) to move only in the axial direction of the opening.

7. The glass cutting knife according to claim 6, characterized in that the limiting structure comprises:

a projection (7), said projection (7) being provided on one of said non-cutting end (4) and a side wall of said moving space (2); and

a slide groove portion provided on the other of the non-cutting end (4) and the side wall of the moving space (2), the slide groove portion extending in the axial direction of the opening, the projecting portion (7) being embedded in the slide groove portion and being movable along the slide groove portion.

8. The glass cutting knife according to claim 6, characterized in that the limiting structures are arranged in at least two symmetrical positions along the axis of the non-cutting end (4).

9. A glass cutting apparatus, characterized by comprising a glass cutter according to any one of claims 1 to 8.

10. The glass cutting apparatus according to claim 9, further comprising an air cylinder connected to the mount (1) to drive the glass cutter to move toward or away from the glass substrate.