CN111790990A - Laser cutting device - Google Patents

Laser cutting device Download PDF

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Publication number
CN111790990A
CN111790990A CN202010674175.6A CN202010674175A CN111790990A CN 111790990 A CN111790990 A CN 111790990A CN 202010674175 A CN202010674175 A CN 202010674175A CN 111790990 A CN111790990 A CN 111790990A
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CN
China
Prior art keywords
roller
conveying roller
pressure chamber
laser
conveying
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010674175.6A
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Chinese (zh)
Inventor
谢强
任龙
赵相宰
盛盛舟
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Bozhon Precision Industry Technology Co Ltd
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Bozhon Precision Industry Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bozhon Precision Industry Technology Co Ltd filed Critical Bozhon Precision Industry Technology Co Ltd
Priority to CN202010674175.6A priority Critical patent/CN111790990A/en
Publication of CN111790990A publication Critical patent/CN111790990A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36Removing material
    • B23K26/38Removing material by boring or cutting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/70Auxiliary operations or equipment
    • B23K26/702Auxiliary equipment

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)

Abstract

The application relates to the technical field of cutting equipment, and provides a laser cutting device which comprises a laser head and a roller passing assembly; the laser head is used for emitting laser; the cross roller assembly is arranged corresponding to the laser head along the emitting direction of the laser and used for conveying the sheet material; the roller passing assembly comprises a first conveying roller, and the first conveying roller is used for conveying the cut sheet; a plurality of through holes are formed in the annular peripheral wall of the first conveying roller, and a negative pressure chamber is fixedly arranged in the first conveying roller; the inlet of the negative pressure chamber is communicated with the through hole, and the inlet is arranged towards the sheet stock. The laser cutting device can enable the sheet material to be attached to the first conveying roller under the suction effect of the negative pressure chamber, so that the situation that the part which is not completely cut off during the cutting of the sheet material floats and swings and is blown is avoided, and the waste material after the cutting is finished can be adsorbed and fixed on the first conveying roller.

Description

Laser cutting device
Technical Field
The application relates to the technical field of cutting equipment, in particular to a laser cutting device.
Background
The tab of the battery is a metal conductor which leads out the positive electrode and the negative electrode from the battery core, as shown in fig. 1, the tab 12 is generally a notch 11 cut from one side of the sheet material 1 to be cut with electric conductivity in the preparation process, and a tab 12 is correspondingly formed between adjacent notches 11.
In the cutting manufacturing process of the tab, the tab is widely used in the prior art and is mostly conveyed to a laser cutting machine through an unreeling device and a reeling device, the tab 1 to be cut is conveyed and moved relative to a laser head by a conveying roller in the laser cutting machine, and the laser head irradiates and cuts the tab 1 to be cut so as to cut a notch 11.
And the thickness of the sheet material 1 for manufacturing the pole ear is generally thinner, in the cutting process of the sheet material 1, the part to be cut off in the sheet material 1 is easy to generate the phenomena of floating, bending, bulging and the like, the normal focusing and cutting of the part to be cut off by laser are influenced, so that the cutting quality is influenced, and the waste materials after the cutting are also disorderly dropped, so that the stability in the subsequent conveying process of the conveying roller is influenced.
Disclosure of Invention
In view of this, the application provides a laser cutting device for solve among the prior art laser cutting device when cutting thin sheet material, the part that will cut off in the cutting process easily takes place to float and pendulum, bend and swell phenomenon etc. and influence the laser and treat the normal cutting of focusing of cutting part, and the waste material can unordered drop the problem that influences the follow-up transfer process stability of transfer roller after the cutting is accomplished.
The application provides a laser cutting device which comprises a laser head and a roller passing assembly;
the laser head is used for emitting laser;
the roller passing assembly is arranged corresponding to the laser head along the emitting direction of the laser and is used for conveying the sheet material;
wherein the roller passing assembly comprises a first conveying roller, and the first conveying roller is used for conveying the cut sheet material;
a plurality of through holes are formed in the annular peripheral wall of the first conveying roller, and a negative pressure chamber is fixedly arranged in the first conveying roller;
and an inlet of the negative pressure chamber is communicated with the through hole, and the inlet is arranged towards the sheet stock.
In a possible design, a chamber wall of the negative pressure chamber, on which the inlet is formed, is abutted with an inner circumferential wall of the first conveying roller through a sealing piece;
when the first conveying roller rotates around the axis of the first conveying roller, the sealing element slides relative to the inner peripheral wall of the first conveying roller.
In a possible design, a positive pressure chamber is fixedly arranged inside the first conveying roller;
the positive pressure chamber and the negative pressure chamber respectively adjust the internal air pressure through an air pressure adjusting piece, so that the positive pressure chamber can be always higher than the air pressure of the external environment, and the negative pressure chamber can be always lower than the air pressure of the external environment.
In one possible design, the outlet of the plenum communicates with the through hole,
and an outlet of the positive pressure chamber is located immediately downstream of an inlet of the negative pressure chamber in a rotational direction of the first transfer roller.
In one possible design, the laser cutting device further comprises a waste recovery bin arranged at an interval below the first conveying roller;
and a feed inlet of the waste recovery bin is arranged corresponding to an outlet of the positive pressure chamber.
In one possible design, the roller assembly further comprises a drive motor;
the driving motor is in transmission connection with the first conveying roller and is used for driving the first conveying roller to rotate around the axis of the first conveying roller.
In one possible design, the cross-roller assembly further includes a second transfer roller and a third transfer roller;
and the second conveying rollers are arranged at intervals in the vertical direction at the upstream of the first conveying roller and the third conveying rollers are arranged at intervals in the horizontal direction at the downstream of the first conveying roller along the conveying direction of the sheet material.
In one possible design, the roller passing assembly further comprises a pressing roller for pressing the sheet material;
the pressing roller is arranged along the axial direction of the roller passing assembly and corresponds to the first conveying roller and the second conveying roller at intervals.
In a possible design, the laser cutting device further comprises a dust suction device, and the dust suction device is arranged corresponding to the laser head along the emission direction of the laser.
In one possible embodiment, the suction device comprises a first suction device and a second suction device;
the first dust collection device and the second dust collection device are respectively positioned on two sides of the sheet material along the emitting direction of the laser, and cutting seams for the laser to pass through are formed in the first dust collection device and the second dust collection device.
By combining the technical scheme, the beneficial effects of the method are analyzed as follows:
the application provides a laser cutting device which comprises a laser head and a roller passing assembly; the laser head is used for emitting laser; the cross roller assembly is arranged corresponding to the laser head along the emitting direction of the laser and used for conveying the sheet material; the roller passing assembly comprises a first conveying roller, and the first conveying roller is used for conveying the cut sheet; a plurality of through holes are formed in the annular peripheral wall of the first conveying roller, and a negative pressure chamber is fixedly arranged in the first conveying roller; the inlet of the negative pressure chamber is communicated with the through hole, and the inlet is arranged towards the sheet stock.
When the laser cutting device is used, the sheet material is conveyed to the part corresponding to the laser head by the roller passing assembly, and the laser head emits laser to cut the sheet material. When the laser cutting device is used for cutting and processing thin sheet materials, the first conveying roller is fixedly provided with the negative pressure chamber inside, and the inlet of the negative pressure chamber is communicated with the through hole at the annular peripheral wall of the first conveying roller and is arranged towards the sheet materials, so that in the cutting process of the sheet materials, the part which is not completely cut in the sheet materials can be moved to be attached to the first conveying roller under the suction effect of the negative pressure chamber, the phenomena of swaying, heaving and the like of the part which is not completely cut in the sheet materials are avoided, laser can be stably focused on the part to be cut of the sheet materials, the cutting quality of the laser cutting device is improved, meanwhile, the waste materials after cutting are adsorbed and fixed on the annular peripheral wall of the first conveying roller under the suction effect of the negative pressure chamber, and the influence of the disordered falling of the waste materials on the conveying stability of the cut sheet materials by the first conveying roller is avoided.
Additional features and advantages of embodiments of the present application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of embodiments of the present application. The objectives and other advantages of the embodiments of the application will be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
Fig. 1 is a schematic view illustrating a tab cutting process in the prior art;
fig. 2 is a front view of a laser cutting device provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram of a first conveying roller in a laser cutting device provided in an embodiment of the present application;
FIG. 4 is an axial cross-sectional view of the first transfer roller of FIG. 3;
FIG. 5 is a radial cross-sectional view of the first transfer roller of FIG. 3;
fig. 6 is a schematic structural diagram of an over roll unit in the laser cutting device provided in the embodiment of the present application;
fig. 7 is a schematic structural diagram of a laser cutting apparatus according to an embodiment of the present application.
Reference numerals:
1-sheet material;
11-a notch;
12-a tab;
2-a laser head;
3-passing the roller assembly;
31-a first transfer roller;
311-a via hole;
312-a negative pressure chamber;
312 a-a seal;
313-a positive pressure chamber;
314-a pneumatic pressure adjustment;
32-a second transfer roll;
33-a third transfer roll;
34-pressing roller;
35-a drive motor;
4-a waste recovery bin;
5-a dust suction device;
51-a first dust extraction device;
52-second dust extraction.
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Detailed Description
For better understanding of the technical solutions of the present application, the following detailed descriptions of the embodiments of the present application are provided with reference to the accompanying drawings.
It should be understood that the embodiments described are only a few embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It should be noted that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.
The following is a description of a specific embodiment of the laser cutting apparatus according to the structure of the laser cutting apparatus provided in the embodiments of the present application.
Fig. 2 is a front view of a laser cutting device provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram of a first conveying roller in a laser cutting device provided in an embodiment of the present application;
FIG. 4 is an axial cross-sectional view of the first transfer roller of FIG. 3;
FIG. 5 is a radial cross-sectional view of the first transfer roller of FIG. 3;
fig. 6 is a schematic structural diagram of an over roll unit in the laser cutting device provided in the embodiment of the present application;
fig. 7 is a schematic structural diagram of a laser cutting apparatus according to an embodiment of the present application.
As shown in fig. 2 and 3, the present application provides a laser cutting apparatus, which includes a laser head 2 and a cross-roller assembly 3; the laser head 2 is used for emitting laser; the cross roller assembly 3 is arranged corresponding to the laser head 2 along the emitting direction of the laser and is used for conveying the sheet stock 1; wherein, the roller passing assembly 3 comprises a first conveying roller 31, and the first conveying roller 31 is used for conveying the cut sheet 1; a plurality of through holes 311 are formed in the annular peripheral wall of the first conveying roller 31, and a negative pressure chamber 312 is fixedly arranged inside the first conveying roller 31; an inlet of the negative pressure chamber 312 is communicated with the through hole 311, and the inlet is disposed toward the sheet 1.
When the laser cutting device is used, the cross roller assembly 3 conveys the sheet material 1 to a position corresponding to the laser head 2, and the laser head 2 emits laser to cut the sheet material 1. When the laser cutting apparatus is used for cutting a thin sheet material, since the first conveying roller 31 is fixedly provided with the negative pressure chamber 312 inside, the inlet of the negative pressure chamber 312 is conducted to the through hole 311 at the annular peripheral wall of the first conveying roller 31 and is disposed toward the sheet material 1, thus, in the cutting process of the sheet material 1, the part of the sheet material 1 which is not completely cut can be moved and attached to the first conveying roller 31 under the suction effect of the negative pressure chamber 312, the phenomena of floating, surging and the like of the part of the sheet material 1 which is not completely cut are avoided, thereby enabling the laser to be stably focused on the part to be cut of the sheet material 1 and improving the cutting quality of the laser cutting device, meanwhile, the suction effect of the negative pressure chamber 312 can make the cut waste material adhere to the annular peripheral wall of the first conveying roller 31, so as to prevent the waste material from falling out of order and affecting the conveying stability of the cut sheet material by the first conveying roller.
In an alternative of this embodiment, a chamber wall of the negative pressure chamber 312, on which an inlet is opened, abuts against an inner circumferential wall of the first conveying roller 31 through a seal 312 a; when the first conveying roller 31 rotates around its axis, the seal 312a slides against the inner circumferential wall of the first conveying roller 31.
Specifically, as shown in fig. 4 and 5, the first conveying roller 31 has a columnar space inside, a chamber wall having an inlet opening of the negative pressure chamber 312 abuts against an inner peripheral wall of the first conveying roller 31 through a seal 312a, and when the first conveying roller 31 rotates around its axis, the seal 312a can slide relative to the inner peripheral wall of the first conveying roller 31, and the negative pressure chamber 312 remains stationary inside the first conveying roller 31, so that it is ensured that the inlet opening of the negative pressure chamber 312 always faces the sheet material 1 and generates a stable suction force to the sheet material 1; the sealing member 312a can also ensure that no air intake gap occurs at the inlet of the negative pressure chamber 312, so that the negative pressure chamber 312 can only sequentially intake air through the through hole 311 on the peripheral wall of the first conveying roller 31 and the inlet of the negative pressure chamber 312.
In an alternative of this embodiment, a positive pressure chamber 313 is also fixedly provided inside the first conveying roller 31; the positive pressure chamber 313 and the negative pressure chamber 312 have their respective internal air pressures adjusted by the air pressure adjuster 314 so that the positive pressure chamber 313 can always be higher than the air pressure of the external environment and the negative pressure chamber 312 can always be lower than the air pressure of the external environment.
Specifically, as shown in fig. 3, the air pressure adjusting member 314 may be specifically, but not limited to, configured as an air suction pump, so that air can be drawn out from the negative pressure chamber 312 through the air pressure adjusting member 314, so that the internal air pressure in the negative pressure chamber 312 can be always lower than the air pressure of the external environment, thereby enabling the negative pressure chamber 312 to provide a stable suction force to the sheet 1; the gas pressure regulating member 314 supplies gas into the positive pressure chamber 313 so that the internal gas pressure in the positive pressure chamber 313 can be always higher than the gas pressure of the external environment.
Of course, the pressure chamber 313 and the negative pressure chamber 312 may share one suction pump, and the air inlet of the suction pump may be provided in the negative pressure chamber 312 and the air outlet of the suction pump may be provided in the positive pressure chamber 313, so that the air in the negative pressure chamber 312 is guided to the positive pressure chamber 313, and the positive pressure chamber 313 is always lower than the air pressure in the external environment and the negative pressure chamber 312 is always higher than the air pressure in the external environment.
In an alternative of the present embodiment, the outlet of the positive pressure chamber 313 communicates with the through hole 311, and the outlet of the positive pressure chamber 313 is located immediately downstream of the inlet of the negative pressure chamber 312 in the rotational direction of the first conveying roller 31.
Specifically, as shown in fig. 5, the outlet of the positive pressure chamber 313 is set to be in communication with the through hole 311 at the peripheral wall of the first conveying roller 31, and the outlet of the positive pressure chamber 313 is located immediately downstream of the inlet of the negative pressure chamber 312 along the rotation direction of the first conveying roller 31, so that the air blown from the outlet of the positive pressure chamber 313 can blow the waste material which is cut and originally adhered to the annular peripheral wall of the first conveying roller 31 off the annular peripheral wall of the first conveying roller 31, and the waste material is prevented from being continuously adhered to the first conveying roller 31 to affect the conveying stability of the subsequent sheet material.
It should be noted that the pressure difference between the negative pressure chamber 312, the positive pressure chamber 313 and the external environment is not suitable to be set too large or too small, and the weight of the thin sheet 1 is light when the tab is cut and manufactured, regardless of the waste material which does not fall off in the cutting process, the tab formed after the cutting is completed, and the waste material which falls off after the cutting is completed, and the pressure difference between the negative pressure chamber 312, the positive pressure chamber 313 and the external environment is suitable.
In an alternative of this embodiment, the laser cutting device further includes a waste recovery bin 4 disposed at an interval below the first conveying roller 31; the feed inlet of the waste recovery bin 4 is arranged corresponding to the outlet of the positive pressure chamber 313.
Specifically, as shown in fig. 5, the waste recovery bin 4 is disposed below the first conveying roller 31 at intervals, and the feed inlet of the waste recovery bin 4 is disposed corresponding to the outlet of the positive pressure chamber 313, so that the waste dropped after the cutting is completed is adhered to the outer peripheral wall of the first conveying roller 31 and rotates with the outer peripheral wall under the suction force of the negative pressure chamber 312, and when the waste dropped is rotated to correspond to the positive pressure chamber 313, the waste drops from the outer peripheral wall of the first conveying roller 31 under the blowing force of the positive pressure chamber 313 and enters the waste recovery bin 4, thereby achieving the beneficial effect of facilitating the collection of the waste.
In an alternative of this embodiment, the cross roller assembly 3 further comprises a drive motor 35; the driving motor 35 is in transmission connection with the first conveying roller 31 and is used for driving the first conveying roller 31 to rotate around the axis of the first conveying roller 31.
Specifically, as shown in fig. 3, the driving motor 35 may be in transmission connection with the first conveying roller 31 through a coupling, so that the first conveying roller 31 may serve as an actively rotating conveying roller, when the laser cutting apparatus is used, in addition to the unwinding mechanism and the winding mechanism being matched to convey the sheet material 1, the first conveying roller 31 may serve as an intermediate transition member to convey the sheet material 1, and the linear rotation speed of the first conveying roller 31 may be set to be the same as the unwinding speed of the unwinding mechanism and the winding speed of the winding mechanism, so that the sheet material 1 can be better kept at the same speed in all places during the conveying process, thereby further improving the conveying stability of the sheet material 1.
In an alternative of this embodiment, the roller passing assembly 3 further includes a second conveying roller 32 and a third conveying roller 33; in the conveying direction of the sheet material 1, second conveying rollers 32 are provided at intervals in the vertical direction upstream of the first conveying roller 31, and third conveying rollers 33 are provided at intervals in the horizontal direction downstream of the first conveying roller 31.
Specifically, as shown in fig. 6, the second conveying rollers 32 are arranged at intervals in the vertical direction upstream of the first conveying roller 31, and the third conveying rollers 33 are arranged at intervals in the horizontal direction downstream of the first conveying roller 31, so that when the sheet material 1 is conveyed by the roller assembly 3, the sheet material 1 can form an "L" -shaped conveying path in the roller assembly 3, and the vertical conveying path formed between the second conveying rollers 32 and the first conveying roller 31 can be perpendicular to the laser emitted by the laser head 2, so that the laser can cut the sheet material 1 more efficiently; the formation of the horizontal conveyance path between the second conveyance roller 32 and the third conveyance roller 33 can facilitate the winding by the lower-stage winding mechanism.
In an alternative of this embodiment, the roller assembly 3 further includes a smoothing roller 34 for smoothing the sheet 1; the pressing rollers 34 are disposed in spaced correspondence with the first transfer roller 31 and the second transfer roller 32, respectively, in the axial direction of the pass-roller assembly 3.
Specifically, as shown in fig. 6, the smoothing roller 34 is arranged at an interval from the first conveying roller 31 and the second conveying roller 32 in the axial direction of the roller assembly 3, so that when the sheet material 1 is conveyed by the first conveying roller 31 and the second conveying roller 32, the smoothing roller 34 can smooth and flatten the sheet material 1 along the other side of the sheet material 1, and the laser can cut the sheet material 1 in a more accurate focus and the sheet material 1 can be fed to a lower-level winding mechanism for winding more smoothly.
In an alternative of this embodiment, the laser cutting device further includes a dust suction device 5, and the dust suction device 5 is disposed corresponding to the laser head 2 along the emission direction of the laser.
Specifically, as shown in fig. 7, the dust suction device 5 is arranged corresponding to the laser head 2 along the emitting direction of the laser, so that when the laser cuts the sheet 1, the dust suction device 5 can suck and remove dust generated in the cutting process at the same height, and the dust is prevented from dispersing to affect the cutting effect of the laser.
In an alternative of this embodiment, the dust suction device 5 includes a first dust suction device 51 and a second dust suction device 52; the first dust suction device 51 and the second dust suction device 52 are respectively positioned at two sides of the sheet material 1 along the emitting direction of the laser, and the first dust suction device 51 and the second dust suction device 52 are both provided with cutting seams for the laser to pass through.
Specifically, as shown in fig. 7, the dust suction devices 5 are respectively arranged as a first dust suction device 51 and a second dust suction device 52 which are located on two sides of the sheet material 1, and the first dust suction device 51 and the second dust suction device 52 are both provided with cutting slits through which laser passes, so that the first dust suction device 51 and the second dust suction device 52 can simultaneously remove dust from two sides of the sheet material 1, and the dust removal effect is fully ensured, and the cutting slits are arranged in the first dust suction device 51 and the second dust suction device 52, so that the first dust suction device 51 and the second dust suction device 52 can avoid the laser from mistakenly cutting and damaging the first dust suction device 51 or the second dust suction device 52.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.

Claims (10)

1. A laser cutting apparatus, comprising:
a laser head (2) for emitting laser light;
the roller passing assembly (3) is arranged corresponding to the laser head (2) along the emitting direction of the laser and is used for conveying the sheet material (1);
wherein the roller passing assembly (3) comprises a first conveying roller (31), and the first conveying roller (31) is used for conveying the cut sheet material (1);
a plurality of through holes (311) are formed in the annular peripheral wall of the first conveying roller (31), and a negative pressure chamber (312) is fixedly arranged in the first conveying roller (31);
an inlet of the negative pressure chamber (312) is communicated with the through hole (311), and the inlet is arranged toward the sheet (1).
2. The laser cutting device according to claim 1, characterized in that the chamber wall of the negative pressure chamber (312) where the inlet is opened is abutted with the inner peripheral wall of the first conveying roller (31) through a seal (312 a);
when the first conveying roller (31) rotates around the axis of the first conveying roller, the sealing piece (312a) slides relative to the inner circumferential wall of the first conveying roller (31).
3. Laser cutting device according to claim 2, characterized in that the first transfer roller (31) is also fixedly provided with a plenum (313) inside;
the positive pressure chamber (313) and the negative pressure chamber (312) respectively adjust the internal air pressure through an air pressure adjusting piece (314), so that the positive pressure chamber (313) can be always higher than the air pressure of the external environment, and the negative pressure chamber (312) can be always lower than the air pressure of the external environment.
4. Laser cutting device according to claim 3, characterized in that the outlet of the plenum (313) is in communication with the through hole (311),
and the outlet of the positive pressure chamber (313) is located immediately downstream of the inlet of the negative pressure chamber (312) in the direction of rotation of the first transfer roller (31).
5. The laser cutting device according to claim 4, characterized in that it further comprises a scrap recovery bin (4) arranged spaced below the first conveyor roller (31);
the feed inlet of the waste recovery bin (4) is arranged corresponding to the outlet of the positive pressure chamber (313).
6. Laser cutting device according to claim 1, characterized in that the cross-roller assembly (3) further comprises a drive motor (35);
the driving motor (35) is in transmission connection with the first conveying roller (31) and is used for driving the first conveying roller (31) to rotate around the axis of the first conveying roller.
7. The laser cutting device according to any one of claims 1 to 6, characterized in that the cross-roller assembly (3) comprises a second conveying roller (32) and a third conveying roller (33);
in the conveying direction of the sheet (1), the second conveying rollers (32) are disposed at intervals in the vertical direction upstream of the first conveying roller (31), and the third conveying rollers (33) are disposed at intervals in the horizontal direction downstream of the first conveying roller (31).
8. Laser cutting device according to claim 7, wherein the roller assembly (3) further comprises a stroking roller (34) for stroking the sheet (1);
the pressing roller (34) is respectively arranged corresponding to the first conveying roller (31) and the second conveying roller (32) at intervals along the axial direction of the roller passing assembly (3).
9. The laser cutting device according to claim 1, characterized in that it further comprises a dust suction device (5), said dust suction device (5) being arranged in correspondence of said laser head (2) along the direction of emission of the laser light.
10. Laser cutting device according to claim 9, characterized in that the suction device (5) comprises a first suction device (51) and a second suction device (52);
the first dust absorption device (51) and the second dust absorption device (52) are respectively located on two sides of the sheet material (1) along the emission direction of laser, and cutting seams for the laser to pass through are formed in the first dust absorption device (51) and the second dust absorption device (52).
CN202010674175.6A 2020-07-14 2020-07-14 Laser cutting device Pending CN111790990A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010674175.6A CN111790990A (en) 2020-07-14 2020-07-14 Laser cutting device

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Application Number Priority Date Filing Date Title
CN202010674175.6A CN111790990A (en) 2020-07-14 2020-07-14 Laser cutting device

Publications (1)

Publication Number Publication Date
CN111790990A true CN111790990A (en) 2020-10-20

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CN108127274A (en) * 2017-12-29 2018-06-08 深圳吉阳智能科技有限公司 A kind of laser cuts the device and method of lug
CN108555455A (en) * 2018-01-25 2018-09-21 广东新宇智能装备有限公司 It is a kind of laser cutting pole piece without rim charge blanking device
CN109268268A (en) * 2018-11-27 2019-01-25 中国船舶重工集团公司第七0四研究所 Marine turbing integral type integrates water ring vacuum pump
CN208437840U (en) * 2018-05-17 2019-01-29 宁德新能源科技有限公司 For cutting the cutter device and cutting equipment of pole piece
CN208450846U (en) * 2018-06-26 2019-02-01 深圳市海目星激光智能装备股份有限公司 A kind of stable cutting mechanism of clamping board type
CN110560935A (en) * 2019-10-17 2019-12-13 深圳吉阳智能科技有限公司 Utmost point ear cutting device and utmost point ear cutting system

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CN102352873A (en) * 2011-07-12 2012-02-15 无锡荣兴科技有限公司 Driving-executing device capable of simultaneously regulating positive and negative pressures
CN103960226A (en) * 2014-05-14 2014-08-06 韩丽敏 Device capable of injecting preservative solution and sucking pleural and peritoneal fluid
CN108044233A (en) * 2017-12-29 2018-05-18 深圳吉阳智能科技有限公司 A kind of laser cutting separated device and method of pole piece leftover pieces
CN108127274A (en) * 2017-12-29 2018-06-08 深圳吉阳智能科技有限公司 A kind of laser cuts the device and method of lug
CN108555455A (en) * 2018-01-25 2018-09-21 广东新宇智能装备有限公司 It is a kind of laser cutting pole piece without rim charge blanking device
CN208437840U (en) * 2018-05-17 2019-01-29 宁德新能源科技有限公司 For cutting the cutter device and cutting equipment of pole piece
CN208450846U (en) * 2018-06-26 2019-02-01 深圳市海目星激光智能装备股份有限公司 A kind of stable cutting mechanism of clamping board type
CN109268268A (en) * 2018-11-27 2019-01-25 中国船舶重工集团公司第七0四研究所 Marine turbing integral type integrates water ring vacuum pump
CN110560935A (en) * 2019-10-17 2019-12-13 深圳吉阳智能科技有限公司 Utmost point ear cutting device and utmost point ear cutting system

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Inventor after: Xie Benqiang

Inventor after: Ren Long

Inventor after: Zhao Xiangzai

Inventor after: Sheng Shengzhou

Inventor before: Xie Qiang

Inventor before: Ren Long

Inventor before: Zhao Xiangzai

Inventor before: Sheng Shengzhou

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Application publication date: 20201020