CN115893824A

CN115893824A - Glass cutting head and glass cutting system

Info

Publication number: CN115893824A
Application number: CN202211333021.6A
Authority: CN
Inventors: 李青; 李赫然; 廖民安; 王耀君; 王伟伟; 李庆文; 王峰; 刘斌
Original assignee: Zhaohong Precision Beijing Technology Co ltd; Tunghsu Technology Group Co Ltd
Current assignee: Zhaohong Precision Beijing Technology Co ltd; Tunghsu Technology Group Co Ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-04-04

Abstract

The utility model provides a glass cutting head and glass-cutting system belongs to glass-cutting technical field. This glass cutting head includes: a cutter head assembly; a first reset assembly for resetting the cutter head assembly; the proportional electromagnet assembly is used for enabling the cutter head assembly to overcome the restoring force of the first reset assembly to be close to the glass by controlling the current; and a pressure sensor for detecting the pressure applied to the glass by the cutter head assembly. The method ensures that the glass is uniformly cracked after being cut, has high cutting quality, is suitable for cutting processing of common glass and ultrathin glass, and has wide cutting thickness range; the accurate regulation and control of cutting pressure and cutting depth makes glass be difficult for appearing broken phenomenon, ensures that glass cutting is high-efficient and the yield is high.

Description

Glass cutting head and glass cutting system

Technical Field

The disclosure relates to the technical field of glass cutting, in particular to a glass cutting head and a glass cutting system.

Background

In the prior float glass production, the glass sheet output from the annealing kiln is continuous. In order to facilitate the split-sheet packaging of the cold end of the conveying line, glass is required to be split into glass sheets; and the baits on the two sides of the glass sheet output from the annealing kiln are glass which does not meet the quality requirement and must be cut and removed.

The existing cutting equipment, such as laser cutting equipment, needs to be divided into two stations for realizing cutting and splitting in sequence, so that the efficiency is not high and the cost is high; the cutting precision of the cutter wheel cutting equipment is not high, the cutting force cannot be controlled, so that the cutter wheel cutting equipment is not suitable for glass with a thin size, the glass is easily broken due to overlarge cutting force or stress breakage due to nonuniform stress, or the glass cannot be effectively cut due to undersize cutting force, and the yield is greatly reduced.

Therefore, there is a need in the art to develop a glass cutting head capable of completing scribing and cutting operations with low cost, high cutting efficiency, high yield, and wide size application range.

Disclosure of Invention

One technical problem to be solved by the present disclosure is: how to develop a glass cutting head which has lower cost, high cutting efficiency, high yield and wide size application range and can finish the scribing and cutting work.

In order to solve the above technical problem, the embodiment of the present disclosure provides a glass cutting head, including: a cutter head assembly; a first reset assembly for resetting the cutter head assembly; the proportional electromagnet assembly is used for controlling current to enable the cutter head assembly to overcome the restoring force of the first reset assembly to be close to the glass; and a pressure sensor for detecting the pressure applied to the glass by the cutter head assembly.

In some embodiments, further comprising: the device comprises a mounting frame and a lifting mechanism; wherein, tool bit subassembly, proportion electromagnet assembly, first reset assembly and pressure sensor all install in the mounting bracket, and elevating system drives the mounting bracket and does the reciprocating motion that is close to or keeps away from glass.

In some embodiments, the mounting bracket comprises a sliding connection plate, a proportional electromagnet seat plate, a swing arm and a swing arm seat; the proportional electromagnet seat plate and the swing arm seat are arranged on the same side of the sliding connection plate from top to bottom; the proportional electromagnet assembly is arranged on the proportional electromagnet base plate; the swing arm is rotatably arranged on the swing arm seat; the cutter head component is arranged at the movable end of one side of the swing arm far away from the swing arm seat; a proportional electromagnet contact of the proportional electromagnet assembly is abutted with the movable end of the swing arm; one end of the first reset component is connected with the proportional electromagnet seat plate, and the other end of the first reset component is connected with the movable end of the swing arm.

In some embodiments, the first reset assembly comprises a first spring, a first upper pull nail and a first lower pull nail, the proportional electromagnet seat plate is provided with the first upper pull nail, and the swing arm is provided with the first lower pull nail; one end of the first spring is connected with the first upper blind rivet, and the other end of the first spring is connected with the first lower blind rivet.

In some embodiments, a sliding block is arranged on one side of the sliding connection plate, which is far away from the proportional electromagnet seat plate; the slide block is connected with the linear guide rail in a sliding way.

In some embodiments, the linear guide is provided with a lifting seat plate for mounting the lifting mechanism; the lifting seat plate is connected with the sliding connection plate through a second reset component.

In some embodiments, the second reset assembly comprises a second spring, a second upper blind rivet and a second lower blind rivet, the lifting seat plate is provided with the second upper blind rivet, and the sliding connecting plate is provided with the second lower blind rivet; one end of the second spring is connected with the second upper blind rivet, and the other end of the second spring is connected with the second lower blind rivet.

In some embodiments, the lifting mechanism is a precision air cylinder, and a pressure rod of the precision air cylinder is abutted with the proportional electromagnet seat plate.

In some embodiments, the glass cutter head assembly further comprises a pressing wheel for fitting the glass, wherein the lowest point of the pressing wheel is higher than that of the cutter head assembly in the reset state.

In some embodiments, the swing arm is rotatably mounted on the swing arm seat through a pressure wheel shaft; the pinch roller is rotatably arranged on the pinch roller shaft through a bearing; two pinch rollers are respectively arranged on two sides of the swing arm.

In some embodiments, the outer circumference of the puck is made of a soft elastomeric material.

In some embodiments, a cutter head assembly includes a cutter head and a cutter wheel; the movable end of the swing arm is connected with a pressure sensor, and the tool bit is arranged at one end, far away from the swing arm, of the pressure sensor; the cutter wheel is rotatably arranged on the cutter head.

The present disclosure also provides a glass cutting system comprising: a frame; the electric controller is respectively connected with the proportional electromagnet assembly and the pressure sensor; a conveying line for conveying glass; and the glass cutting head is arranged on the rack and is arranged above the conveying line.

In some embodiments, the glass cutting head is fixedly mounted to the base frame as the conveyor line moves the glass along the flow line.

In some embodiments, the conveyor line further includes a linear drive mechanism for reciprocating the glass cutting head in the direction of the flow line when the conveyor line is not moving the glass in the direction of the flow line.

Through above-mentioned technical scheme, this glass cutting head and glass cutting system that openly provides can bring following at least one beneficial effect:

1. the pressure applied to the glass by the cutter head can be detected through the pressure sensor, the cutter head component can be accurately controlled to be close to the glass through the proportional electromagnet component, the corresponding cutting pressure can be accurately adjusted according to different types of glass through the cooperation of the pressure sensor and the proportional electromagnet component, and the precision adjustment of the cutting depth is realized; the cutting pressure and the cutting depth are controlled (the current can be adjusted steplessly), so that the uniform splitting after the glass is cut is ensured, the cutting quality is high, the glass cutting device is suitable for cutting common glass and ultrathin glass, and the cutting thickness range is wide; the cutting and splitting functions are realized at the same time in one-time cutting, the glass is not easy to break due to the accurate regulation and control of the cutting pressure and the cutting depth, and the high efficiency and high yield of the glass cutting are realized; the automatic feeding device is compact, simple, neat, firm, low in cost, easy to achieve and suitable for production input of products in batches of different sizes.

2. The lifting mechanism is used for lifting the cutter head assembly and the proportional electromagnet assembly, so that the cutter head assembly and the proportional electromagnet assembly are quickly far away from or close to the glass, and then the pressure sensor and the proportional electromagnet assembly are matched to realize the accurate adjustment of the cutting depth and the cutting pressure, so that the problem of interference between the glass and the cutter head assembly is avoided, and the glass is accurately cut; and this is disclosed realizes the reseing of tool bit subassembly and the reseing of proportion electro-magnet subassembly respectively through reset assembly (first reset assembly and second reset assembly) for proportion electro-magnet subassembly and elevating system need not to bear the weight of its subassembly that needs the drive, ensure its drive precision, prolong its life.

3. This openly guarantees through unsmooth complex slider and linear guide that tool bit subassembly and proportion electromagnet assembly go up and down's straightness nature, guarantees the straightness that hangs down of glass atress, ensures tool bit subassembly cutting accuracy.

4. The pinch roller in this disclosure can realize the restriction to glass to ensure tool bit subassembly cutting quality and cutting accuracy.

Drawings

In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a first bottom perspective view of a glass cutting head disclosed in an embodiment of the present disclosure;

FIG. 2 is a second bottom perspective view of the glass cutting head disclosed in the embodiments of the present disclosure;

fig. 3 is a side plan view of a glass cutting system as disclosed in embodiments of the present disclosure.

Description of reference numerals:

1. a pinch roller; 2. a first spring; 3. a first pull-down pin; 4. a pressure sensor; 5. a cutter head; 6. a cutter wheel; 7. a proportional electromagnet contact; 8. a proportional electromagnet seat plate; 9. a first top blind rivet; 10. a proportional electromagnet assembly; 11. a pressure lever; 12. a lifting seat plate; 13. a precision cylinder; 14. swinging arms; 15. a linear guide rail; 16. a slider; 17. a second blind rivet; 18. a second spring; 19. a second top blind rivet; 20. a pinch roller shaft; 21. a bearing; 22. a sliding connection plate; 23. a swing arm seat; 24. and (3) glass.

Detailed Description

Embodiments of the present disclosure are described in further detail below with reference to the drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the disclosure, but are not intended to limit the scope of the disclosure, which may be embodied in many different forms and are not limited to the specific embodiments disclosed herein, but include all technical solutions falling within the scope of the claims.

These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that: the relative arrangement of the components and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments are to be construed as merely illustrative, and not restrictive, unless specifically stated otherwise.

It is noted that in the description of the present disclosure, unless otherwise indicated, "a plurality" means greater than or equal to two; the terms "upper," "lower," "left," "right," "inner," "outer," and the like, indicate an orientation or positional relationship merely to facilitate the description of the disclosure and to simplify the description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken as limiting the disclosure. When the absolute position of the object being described changes, then the relative positional relationship may also change accordingly.

Moreover, the use of "first," "second," and similar terms in this disclosure are not intended to indicate any order, quantity, or importance, but rather are used to distinguish one element from another. "vertical" is not strictly vertical, but is within the tolerance of the error. "parallel" is not strictly parallel but within the tolerance of the error. The word "comprising" or "comprises", and the like, means that the element preceding the word covers the element listed after the word, and does not exclude the possibility that other elements are also covered.

It should also be noted that, in the description of the present disclosure, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present disclosure can be understood as appropriate to one of ordinary skill in the art. When a particular device is described as being between a first device and a second device, intervening devices may or may not be present between the particular device and the first device or the second device.

All terms used in the present disclosure have the same meaning as understood by one of ordinary skill in the art to which the present disclosure belongs, unless otherwise specifically defined. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.

As shown in fig. 1-3, embodiments of the present disclosure provide a glass cutting head comprising: a cutter head assembly; a first reset assembly for resetting the cutter head assembly; a proportional electromagnet assembly 10 for controlling the current to cause the cutter head assembly to approach the glass 24 against the restoring force of the first return assembly; and a pressure sensor 4 for detecting the pressure applied to the glass 24 by the cutter head assembly.

In the disclosure, the proportional electromagnet assembly 10 is a precise position adjustment type electromagnet assembly which generates displacement through a current electromagnetic field, and applies corresponding displacement to the proportional electromagnet contact 7 of the proportional electromagnet assembly by controlling the magnitude of current, so as to realize the magnitude displacement of the cutter head assembly; the pressure sensor 4 is a pressure sensor which can detect the pressure applied to the glass 24 by the cutter head assembly, in particular the cutter wheel 6 of the cutter head assembly, and the pressure sensor 4 and the proportional electromagnet assembly 10 are controlled in a closed loop mode by an electric controller in the system, so that the cutting depth and the cutting pressure of the glass 24 are accurately controlled. The cutter wheel 6 cuts a dividing line on the surface of the glass 24, and the glass is separated along the cutting line by a breaking device (not shown in the figure).

Due to the fact that the surface of the glass 24 is microscopically uneven or uneven in thickness, the cutter wheel 6 can jump up and down on the surface of the glass, the pressure sensor 4 generates strain, the strain is in direct proportion to the compressive stress, and the electric signal of the compressive stress prompts the proportional electromagnet contact 7 in the proportional electromagnet 10 to move up and down, so that the cutting edge of the cutter wheel 6 can be quickly adapted to the thickness change of the glass 24 to be cut, the depth of a gap of the glass 24 to be cut can be uniform, and the cutting quality of the glass cutting head is improved. Meanwhile, the setting pressure of the proportional electromagnet contact 7 can be adjusted, and the cutting depth is changed along with the adjustment.

In some embodiments, the glass cutting head of the present disclosure further comprises: the device comprises a mounting frame and a lifting mechanism; the cutter head component, the proportional electromagnet component 10, the first reset component and the pressure sensor 4 are all installed on the installation frame, and the lifting mechanism drives the installation frame to do reciprocating motion close to or far away from the glass 24.

In some embodiments, the mounting bracket comprises a sliding connection plate 22, a proportional electromagnet seat plate 8, a swing arm 14, and a swing arm seat 23; the proportional electromagnet seat plate 8 and the swing arm seat 23 are arranged on the same side of the sliding connection plate 22 from top to bottom; the proportional electromagnet assembly 10 is arranged on the proportional electromagnet seat plate 8; the swing arm 14 is rotatably arranged on a swing arm seat 23; the cutter head component is arranged at the movable end of one side of the swing arm 14 far away from the swing arm seat 23; the proportional electromagnet contact 7 of the proportional electromagnet assembly 10 is abutted with the movable end of the swing arm 14; one end of the first reset component is connected with the proportional electromagnet seat plate 8, and the other end of the first reset component is connected with the movable end of the swing arm 14. It is worth mentioning that the proportional electromagnet contact 7 can pass through the proportional electromagnet seat plate 8 to be in contact with the movable end of the swing arm 14, so that the structure of the present disclosure is more compact.

In other embodiments, the proportional electromagnet contact 7 may not pass through the proportional electromagnet seat plate 8 and may be abutted against the movable end of the swing arm 14. In order to ensure the linearity of the reciprocating motion of the proportional electromagnet contact 7, a sleeve (without affecting the adjustment of the swing arm 14 for pushing various cutting depths) is arranged around the proportional electromagnet contact 7, and in practical application, the sleeve can be a compressible part or an incompressible part. In some embodiments, the swing arm 14 is provided with a limiting groove corresponding to the proportional electromagnet contact 7, so that the proportional electromagnet contact 7 is limited and positioned, and the swing arm 14 is conveniently pushed to rotate by the proportional electromagnet contact 7.

In other embodiments, the cutting head assembly may be adapted to effect the cutting of the glass 24 without oscillating depression. But the cutting of the glass 24 is effected by the straight ascending or descending in the height direction to effect the pressing-down thereof. Then, the tool bit assembly is lifted or lowered through the concave-convex matched linear guide rail assembly.

In some embodiments, the first reset assembly comprises a first spring 2, a first upper rivet 9 and a first lower rivet 3, the proportional electromagnet seat plate 8 is provided with the first upper rivet 9, and the swing arm 14 is provided with the first lower rivet 3; one end of the first spring 2 is connected with the first upper blind rivet 9, and the other end of the first spring 2 is connected with the first lower blind rivet 3. In other embodiments, the first resetting component may also be an elastic rubber sleeve, and the elastic rubber sleeve may be connected to the proportional electromagnet seat plate 8 and the swing arm 14 through the first upper pulling nail 9 and the first lower pulling nail 3, respectively. The connection may be achieved by gluing, but the present disclosure is intended to cover the scope thereof. In some embodiments, the first spring 2 may be directly connected to the proportional electromagnet seat plate 8 and the swing arm 14, and the first spring 2 may be disposed on the outer periphery of the proportional electromagnet seat plate 8 and the swing arm 14, or between the proportional electromagnet seat plate 8 and the swing arm 14.

In some embodiments, the side of the sliding connection plate 22 away from the proportional electromagnet seat plate 8 is provided with a slider 16; the slider 16 is slidably connected to the linear guide 15. A plurality of sliders 16 set up in sliding connection board 22 relatively to make the space between the slider 16 of relative setting form with the unsmooth complex spout of linear guide 15, linear guide 15 in the unsmooth cooperation of spout and ensure the straightness nature of mounting bracket reciprocating motion from top to bottom, ensure the forward straight line downward nature of tool bit subassembly cutting pressure, thereby guarantee the high quality at cutting edge. Of course, in other embodiments, the linear guide 15 may be provided with a sliding slot along which the slider 16 linearly moves up and down.

In some embodiments, the linear guide 15 is provided with a lift saddle 12 for mounting a lift mechanism; the lifting seat plate 12 is connected with the sliding connection plate 22 through a second reset component.

In some embodiments, the second return assembly comprises a second spring 18, a second upper rivet 19 and a second lower rivet 17, the lifting seat plate 12 is provided with the second upper rivet 19, and the sliding connection plate 22 is provided with the second lower rivet 17; one end of the second spring 18 is connected with the second upper blind rivet 19, and the other end of the second spring 18 is connected with the second lower blind rivet 17. In practical applications, the second spring 18 may be directly connected to the lift seat plate 12 and the sliding connection plate 22, and the second spring 18 may be disposed on the outer peripheral side of the lift seat plate 12 and the sliding connection plate 22, or may be disposed between the lift seat plate 12 and the sliding connection plate 22. Like the first spring 2, the second spring 18 may also be an elastic rubber sleeve.

In some embodiments, the press wheel 1 is used for fitting the glass 24, and the lowest point of the press wheel 1 is higher than that of the cutter head assembly in the reset state.

In some embodiments, the swing arm 14 is rotatably mounted to a swing arm mount 23 via a pinch roller shaft 20; the pinch roller 1 is rotatably arranged on a pinch roller shaft 20 through a bearing 21; two pinch rollers 1 are respectively arranged at two sides of the swing arm 14.

In some embodiments, the movable end of the swing arm 14 is connected to the pressure sensor 4, and the cutter head assembly is mounted to the end of the pressure sensor 4 remote from the swing arm 14.

In some embodiments, the cutter head assembly comprises a cutter head 5 and a cutter wheel 6, the cutter head 5 is mounted on the pressure sensor 4 and is arranged towards the glass 24, the cutter wheel 6 is rotatably mounted on the cutter head 5, and the axial direction of the cutter wheel 6 is perpendicular to the driving direction (height direction) of the lifting mechanism.

In some embodiments, the outer circumference of puck 1 (i.e., the portion that contacts glass 24) is made of a soft elastomeric material. Such as sponge and plastic.

In some embodiments, the lifting mechanism is a precision air cylinder 13, and a pressure rod 11 of the precision air cylinder 13 is abutted or connected with the proportional electromagnet seat plate 8 (or the sliding connection plate 22 or the sliding block 16); the size of the cross section of one side of the pressure lever 11 close to the proportional electromagnet seat plate 8 is larger than that of the cross section of one side of the pressure lever 11 close to the lifting seat plate 12; the precision cylinder 13 is a precision pneumatic actuator, and can push the proportional electromagnet seat plate 8 and the proportional electromagnet assembly 10, the swing arm seat 23, the pinch roller 1, the pinch roller shaft 20, the bearing 21, the pressure sensor 4, the cutter head 5, the cutter wheel 6, the first spring 2 and the like which are fixedly connected with the proportional electromagnet seat plate through the pressure lever 11 to synchronously move.

In some embodiments, the intake pressure of the precision cylinder 13 is controlled by a precision pressure-regulating valve.

In other embodiments, the lifting mechanism may also be a rodless cylinder, a linear motor, a lead screw pair, or a rack and pinion mechanism. When the lifting mechanism is a rodless cylinder, the sliding connection plate 22 (or the proportional electromagnet seat plate 8 or the sliding block 16) is arranged on a moving head of the rodless cylinder. When the lifting mechanism is a linear motor, the sliding connection plate 22 (or the proportional electromagnet seat plate 8 or the slide block 16) is connected or abutted with a push rod of the linear motor. When the lifting mechanism is a screw pair, the nut of the screw pair is mounted on the sliding connection plate 22 (or the proportional electromagnet seat plate 8 or the slider 16), and the screw of the screw pair is rotatably mounted on the lifting seat plate 12 or the linear guide 15. When the lifting mechanism is a rack-and-pinion mechanism, a rack of the rack-and-pinion mechanism is connected or abutted with the sliding connection plate 22 (or the proportional electromagnet seat plate 8 or the slide block 16), and a gear of the rack-and-pinion mechanism is rotatably mounted on the lifting seat plate 12 or the linear guide 15.

As shown in fig. 3, embodiments of the present disclosure also provide a glass cutting system, comprising: a frame; the electric controller is respectively connected with the proportional electromagnet assembly 10 and the pressure sensor 4; a conveying line for conveying the glass 24; and the glass cutting head is arranged on the frame and is arranged above the conveying line.

In some embodiments, the glass cutting head is fixedly mounted to the pedestal as the conveyor moves the glass 24 along the flow line.

In some embodiments, the conveyor line includes a linear drive mechanism for reciprocating the glass cutting head in the direction of the flow line when the conveyor line is not carrying glass 24 in the direction of the flow line.

Thus far, various embodiments of the present disclosure have been described in detail. Some details that are well known in the art have not been described in order to avoid obscuring the concepts of the present disclosure. Those skilled in the art can now fully appreciate how to implement the teachings disclosed herein, in view of the foregoing description.

Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the present disclosure. It will be understood by those skilled in the art that various changes may be made in the above embodiments or equivalents may be substituted for elements thereof without departing from the scope and spirit of the present disclosure. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict.

Claims

1. A glass cutting head, comprising:

a cutter head assembly;

a first reset assembly for resetting the cutter head assembly;

a proportional electromagnet assembly (10) for controlling current flow to effect the cutter head assembly to approach the glass (24) against the restoring force of the first return assembly; and (c) a second step of,

a pressure sensor (4) for detecting the pressure applied by the cutting head assembly to the glass (24).

2. The glass cutting head of claim 1, further comprising:

the mounting frame and the lifting mechanism;

the cutter head assembly, the proportional electromagnet assembly (10), the first reset assembly and the pressure sensor (4) are all installed on the installation frame, and the lifting mechanism drives the installation frame to do reciprocating motion close to or far away from the glass (24).

3. The glass cutting head according to claim 2, wherein the mounting frame comprises a sliding connection plate (22), a proportional electromagnet seat plate (8), a swing arm (14) and a swing arm seat (23); the proportional electromagnet seat plate (8) and the swing arm seat (23) are arranged on the same side of the sliding connection plate (22) from top to bottom; the proportional electromagnet assembly (10) is arranged on the proportional electromagnet seat plate (8); the swing arm (14) is rotatably arranged on the swing arm seat (23); the cutter head assembly is arranged at the movable end of one side of the swing arm (14) far away from the swing arm seat (23); a proportional electromagnet contact (7) of the proportional electromagnet assembly (10) is abutted with the movable end of the swing arm (14); one end of the first reset assembly is connected with the proportional electromagnet seat plate (8), and the other end of the first reset assembly is connected with the movable end of the swing arm (14).

4. The glass cutting head according to claim 3, characterized in that the first return assembly comprises a first spring (2), a first up-draw pin (9) and a first down-draw pin (3), the proportional electromagnet seat plate (8) is provided with the first up-draw pin (9), and the swing arm (14) is provided with the first down-draw pin (3); one end of the first spring (2) is connected with the first upper blind rivet (9), and the other end of the first spring (2) is connected with the first lower blind rivet (3); and/or the presence of a gas in the gas,

a sliding block (16) is arranged on one side, away from the proportional electromagnet seat plate (8), of the sliding connection plate (22); the sliding block (16) is connected with the linear guide rail (15) in a sliding mode.

5. Glass cutting head according to claim 4, characterized in that the linear guide (15) is provided with a lifting saddle (12) for mounting the lifting mechanism; the lifting seat plate (12) is connected with the sliding connection plate (22) through a second reset component.

6. The glass cutting head according to claim 5, characterized in that the second return assembly comprises a second spring (18), a second upper blind stud (19) and a second lower blind stud (17), the lifting saddle (12) being provided with the second upper blind stud (19), the sliding connection plate (22) being provided with the second lower blind stud (17); one end of the second spring (18) is connected with the second upper blind rivet (19), and the other end of the second spring (18) is connected with the second lower blind rivet (17); and/or the presence of a gas in the gas,

the lifting mechanism is a precision air cylinder (13), and a pressure rod (11) of the precision air cylinder (13) is abutted to the proportional electromagnet seat plate (8).

7. Glass cutting head according to any one of claims 1-6, further comprising a press wheel (1) for abutting the glass (24), the press wheel (1) having a lower point which is higher than the lower point of the head assembly in a rest state.

8. The glass cutting head according to claim 7, wherein the swing arm (14) is rotatably mounted to the swing arm base (23) by a press wheel shaft (20); the pinch roller (1) is rotatably arranged on the pinch roller shaft (20) through the bearing (21); the two pressing wheels (1) are respectively arranged on two sides of the swing arm (14); and/or the presence of a gas in the atmosphere,

the outer circumference of the pinch roller (1) is made of soft elastic materials; and/or the presence of a gas in the gas,

the cutter head component comprises a cutter head (5) and a cutter wheel (6); the movable end of the swing arm (14) is connected with the pressure sensor (4), and the cutter head (5) is installed at one end, far away from the swing arm (14), of the pressure sensor (4); the knife flywheel (6) is rotatably arranged on the knife head (5).

9. A glass cutting system, comprising:

a frame;

the electric controller is respectively connected with the proportional electromagnet assembly (10) and the pressure sensor (4);

a conveying line for conveying glass (24); and (c) a second step of,

the glass cutting head of any one of claims 1-8 mounted to the frame above the conveyor line.

10. The glass cutting system according to claim 9, wherein the glass cutting head is fixedly mounted to the base frame when the conveyor line moves the glass (24) in a direction of an assembly line; or the like, or, alternatively,

when the conveying line does not drive the glass (24) to move along the direction of the assembly line, the glass cutting machine further comprises a linear driving mechanism which drives the glass cutting head to reciprocate along the direction of the assembly line.