Separation air knife, separation device and separation system

Abstract

The embodiment of the utility model provides a separation air knife, a separation device and a separation system. The separation air knife comprises an air inlet part and an air outlet part. The gas inlet part is connected to the end part of the gas outlet part, and high-pressure gas can be transmitted from the gas inlet part to the gas outlet part along a first direction; the side face of the air outlet part is provided with an air outlet hole, and high-pressure air can be sprayed out of the air outlet hole in the second direction. Wherein the first direction intersects with the second direction. In this way, air pressure separation can be carried out on the plates in a concentrated mode, and the plates can be separated in a uniform and tidy mode. And the phenomena of layer staggering, adhesion and the like caused by uneven separation due to relatively dispersed air outlet of the air knife are avoided. Moreover, as the second air outlet direction is different from the first air inlet direction, the high-pressure air can stay in the air outlet part for a short time to realize secondary pressurization and enhance the plate separation effect, the air outlet quantity required to be supplied to the separation air knife is small, the punching frequency per minute of the separation air knife is increased, and the plate separation efficiency is improved. And the high-rhythm production rhythm can be well met.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of processing equipment, and particularly relates to a separating air knife, a separating device and a separating system. BACKGROUND

[0002] The stacked plates can be separated by the separating device using high-pressure gas, which facilitates picking up the upper plates and plays a relatively important role.

[0003] In the prior art, the end of the air knife of the separating device is provided with a plurality of gas outlets in the circumferential direction, and the high-pressure gas is sprayed through the gas outlets to separate the plates by air pressure. However, the gas sprayed by the plurality of gas outlets arranged in the circumferential direction is relatively dispersed, and for relatively thin plates, uneven separation, misalignment and adhesion and other phenomena are prone to occur, and the required gas output is relatively large, and the punching frequency per minute is relatively low, which cannot meet the production rhythm of a relatively high rhythm. CONTENT OF THE UTILITY MODEL

[0004] In view of the above problems, the utility model is provided to overcome the above problems or at least partially solve the above problems.

[0005] In order to solve the above technical problems, the application is implemented as follows:

[0006] In a first aspect, the application embodiment provides a separating air knife, which comprises: an air inlet part and an air outlet part.

[0007] The air inlet part is connected to the end of the air outlet part, and the high-pressure gas can be transmitted from the air inlet part to the air outlet part in a first direction.

[0008] The side surface of the air outlet part is provided with a gas outlet, and the high-pressure gas can be sprayed from the gas outlet in a second direction.

[0009] The first direction intersects the second direction.

[0010] Optionally, the air inlet part is provided with an air inlet hole, and the air outlet part is provided with a hollow air cavity.

[0011] The air inlet hole, the air cavity and the gas outlet hole are communicated, the high-pressure gas can be transmitted from the air inlet hole to the air cavity in the first direction, and sprayed from the gas outlet hole in the second direction.

[0012] Optionally, the number of the gas outlets includes a plurality of gas outlets, and the plurality of gas outlets are arranged in the first direction.

[0013] Optionally, the side of the air outlet part away from the gas outlet is provided with a mounting hole, and the mounting hole is used for penetrating a fastener to enable the separating air knife to be mounted on a separator.

[0014] Optionally, the diameter of the air outlet hole is any value in the range of 1-2mm.

[0015] In a second aspect, the embodiments of the present application provide a separating device, which comprises a separator and the separating air knife.

[0016] The separating air knife is connected to the separator, and the separator can supply high-pressure gas to the air inlet part of the separating air knife.

[0017] Optionally, the separating air knife is connected to the middle position of the separator.

[0018] Optionally, the number of the separating air knives is two, and the two separating air knives are respectively connected to the two sides of the separator.

[0019] Optionally, the separating air knife is connected to the separator at an angle relative to the vertical direction, and the angle of the separating air knife is any value in the range of 0-3°.

[0020] In a third aspect, the embodiments of the present application provide a separating system, which comprises an air compressor, an air storage member, and the separating device.

[0021] The air compressor is connected to the air storage member, and the air storage member is connected to the separator of the separating device.

[0022] In the embodiments of the present application, the separating air knife comprises an air inlet part and an air outlet part; the air inlet part is connected to the end of the air outlet part, and high-pressure gas can be transmitted from the air inlet part to the air outlet part along a first direction; the side of the air outlet part is provided with an air outlet hole, and high-pressure gas can be sprayed from the air outlet hole along a second direction; wherein the first direction intersects the second direction. In this way, the air outlet hole is arranged on the side of the air outlet part, high-pressure gas enters the air inlet part along the first direction and is transmitted to the air outlet part, and then is sprayed from the air outlet hole along the second direction intersecting the first direction, so that the plate material is relatively concentratedly separated by air pressure, and the plate material is uniformly and neatly separated. This avoids the dispersion of air outlet caused by the arrangement of the air outlet hole on the end of the air knife in the circumferential direction, and avoids the uneven separation of the plate material, the occurrence of misalignment and adhesion, and the like, thereby improving the separating effect of the plate material. Moreover, since the second direction of the air outlet is different from the first direction of the air inlet, the high-pressure gas will not be directly discharged, but can be relatively temporarily retained in the air outlet part, thereby realizing secondary pressurization and enhancing the separation effect of the gas sprayed from the air outlet hole on the plate material. Therefore, the amount of air supplied to the separating air knife is relatively small, and the number of punches per minute of the separating air knife can be improved, thereby better meeting the production rhythm of high rhythm.

[0023] The additional aspects and advantages of the present application will be in part apparent and in part pointed out below in the description of the application, which will be given in the following description with reference to the accompanying drawings, in which: BRIEF DESCRIPTION OF DRAWINGS

[0024] The above and / or additional aspects and advantages of the present application will become apparent and be readily appreciated from the following description, including the accompanying drawings, in which:

[0025] Figure 1 is a structural schematic view of a separating air knife according to an embodiment of the present application;

[0026] Figure 2 is a front view of an air outlet part of the separating air knife according to an embodiment of the present application;

[0027] Figure 3 is a side view of the air outlet part of the separating air knife according to an embodiment of the present application;

[0028] Figure 4 is a top view of the air outlet part of the separating air knife according to an embodiment of the present application;

[0029] Figure 5 is a structural schematic view of a separating device according to an embodiment of the present application;

[0030] Figure 6 is a structural schematic view of a separating system according to an embodiment of the present application.

[0031] Reference signs: 10-separating air knife; 11-air inlet part; 12-air outlet part; 13-air cavity; 14-air outlet hole; 15-mounting hole; 16-air inlet hole; 20-separator; 30-air compressor; 40-air storage member; 50-plate. DETAILED DESCRIPTION

[0032] Embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0033] The terms "first", "second" in the description and claims of the present application can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more. In addition, "and / or" in the description and claims indicates at least one of the connected objects, and the character " / ", generally indicates that the front and rear associated objects are in a "or" relationship.

[0034] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0035] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0036] Referring to Figures 1 to 4 , a structure diagram of a separate air knife is shown, which specifically can include: a gas inlet part 11 and a gas outlet part 12; the gas inlet part 11 is connected to the end of the gas outlet part 12, and high-pressure gas can be transmitted from the gas inlet part 11 to the gas outlet part 12 along a first direction; the side of the gas outlet part 12 is provided with a gas outlet hole 14, and high-pressure gas can be sprayed out from the gas outlet hole 14 along a second direction; wherein the first direction intersects the second direction.

[0037] In the embodiment of the present application, the air outlet hole 14 is arranged on the side of the air outlet part 12, the high-pressure gas enters the air inlet part 11 along the first direction and is transmitted to the air outlet part 12, and then is sprayed from the air outlet hole 14 along the second direction intersecting the first direction, which can more concentratedly separate the plate material, so that the plate material 50 is more uniformly and neatly separated. Avoiding the dispersion of air outlet caused by arranging the air outlet hole 14 on the end of the air knife in the circumferential direction, avoiding the uneven separation and the phenomenon of misalignment and adhesion, improving the separation effect of the plate material 50. And since the second direction of the air outlet is different from the first direction of the air inlet, the high-pressure gas will not be directly discharged, but can stay in the air outlet part 12 for a short time, thereby realizing secondary pressurization and enhancing the separation effect of the gas sprayed from the air outlet hole 14 on the plate material 50, so that the air outlet amount provided to the separation air knife 10 is smaller, thereby improving the SPM (Stroke Per Minute, the number of punches per minute) of the separation air knife 10, and better meeting the high-beat production rhythm.

[0038] In the embodiment of the present application, the example separation air knife 10 can realize the number of punches per minute of 10-14 times, while the separation air knife 10 in the related art usually realizes the number of punches per minute of 8 times. Compared with the related art, the embodiment of the present application effectively improves the number of punches per minute of the separation air knife 10 and improves the production efficiency.

[0039] In the embodiment of the present application, the air outlet hole 14 of the separation air knife 10 is arranged on the side of the air outlet part 12, so the separation air knife 10 is connected to the separator 20 in the vertical direction, that is, the axial direction of the separation air knife 10 is parallel to the height direction of the separator 20. Unlike the separation air knife 10 in the related art which is usually connected to the separator 20 in the horizontal direction, that is, the axial direction of the separation air knife 10 is perpendicular to the height direction of the separator 20.

[0040] In the embodiment of the present application, specifically, the end of the air inlet part 11 away from the air outlet part 12 can be used to connect the air inlet pipe to realize air inlet of the air inlet part 11, and the axial direction of the air inlet part 11 can coincide with the axial direction of the air outlet part 12. The shape of the air inlet part 11 can be a cube, the size thereof can be 150mmx250mmx500mm, and the material thereof can be aluminum, which has the advantages of light weight, easy processing, high reliability, etc.

[0041] In addition, the shape of the air inlet part 11 can also be a prism, a cylinder, etc., and can be set according to actual needs. The specific shape of the air inlet part 11 can not be limited in the embodiment of the application. The size of the air inlet part 11 can also be other values, and can be set according to actual needs. The specific size of the air inlet part 11 can also not be limited in the embodiment of the application. In addition, the material of the air inlet part 11 can also be stainless steel, etc. The specific material of the air inlet part 11 can also not be limited in the embodiment of the application.

[0042] In the embodiment of the application, the first direction can be perpendicular to the second direction, so that the air inlet direction is perpendicular to the air outlet direction. In addition, the angle between the first direction and the second direction can be 80°, 70°, 60°, or 100°, etc. The specific value of the angle between the first direction and the second direction can not be limited in the embodiment of the application.

[0043] In the embodiment of the application, the air knife 10 can cut the aluminum plate. In addition, the air knife 10 can also cut plates of other materials, which can be set according to actual needs. The specific material of the plate can not be limited in the embodiment of the application.

[0044] Optionally, in the embodiment of the application, the air inlet part 11 is provided with an air inlet hole 16, and the air outlet part 12 is provided with a hollow air cavity 13. The air inlet hole 16, the air cavity 13, and the air outlet hole 14 are communicated. High-pressure gas can be transmitted from the air inlet hole 16 to the air cavity 13 along the first direction, and sprayed out from the air outlet hole 14 along the second direction. In this way, the high-pressure gas can enter the air inlet part 11 through the air inlet hole 16 and be transmitted to the air cavity 13 of the air outlet part 12, so that the high-pressure gas can be temporarily stayed in the air cavity 13, thereby realizing secondary pressurization. The air inlet hole 16, the air cavity 13, and the air outlet hole 14 are communicated, so that the high-pressure gas can circulate between the air inlet part 11 and the air outlet part 12.

[0045] In the embodiment of the application, the diameter of the air outlet hole 14 can be any value in 1-2 mm. Avoiding that the small diameter of the air outlet hole 14 affects the smoothness of the air outlet, and avoiding that the large diameter of the air outlet hole 14 causes the air pressure of the gas sprayed by the air knife 10 to be small. For example, the diameter of the air outlet hole 14 can be 1 mm, 1.5 mm, or 2 mm, etc. The specific value of the diameter of the air outlet hole 14 can not be limited in the embodiment of the application, which can be set according to actual needs. The application can not be limited in this regard.

[0046] In the embodiment of the present application, the number of the air outlet holes 14 can include a plurality of air outlet holes 14, and the plurality of air outlet holes 14 are arranged along the first direction. In this way, the plurality of air outlet holes 14 can be used to separate the plate material into a plurality of plates 50 at the same time, which can further improve the separation effect of the plate material and avoid adhesion.

[0047] For example, in the embodiment of the present application, as shown in Figure 1 For example, the plurality of air outlet holes 14 can be arranged in two rows and symmetrically distributed, so that a layer of plate material can be separated by two air outlet holes 14 at the same height at the same time, which can improve the separation effect. In addition, the plurality of air outlet holes 14 can also be arranged in one row, three rows, or four rows, etc., which can be set according to actual needs. The specific distribution mode of the air outlet holes 14 in the embodiment of the present application can not be limited.

[0048] In the embodiment of the present application, for example, the number of the air outlet holes 14 can be any value in the range of 20-26, such as 20, 23, or 26, and can also be 28 or 30, etc. The specific number of the air outlet holes 14 in the embodiment of the present application can not be limited, which can be set according to the size of the air inlet part 11 and the air injection demand. For example, the distance between the adjacent two air outlet holes 14 can be any value in the range of 1-3 mm, such as 1 mm, 1.5 mm, 2 mm, or 3 mm, etc. The specific value of the distance between the adjacent two air outlet holes 14 in the embodiment of the present application can also not be limited.

[0049] For example, in the embodiment of the present application, the depth of the high-pressure gas transmitted into the air cavity 13 along the first direction can be greater than or equal to 0.9 times the depth of the air cavity 13. For example, the length of the air outlet part 12 can be 50 mm, and the depth of the high-pressure gas entering the air cavity 13 can be 47 mm. In this way, the air outlet holes 14 located at the bottom of the side can also have a relatively uniform air outlet effect, which can avoid the situation that the depth of the high-pressure gas entering the air cavity 13 is small, and the air outlet amount of the air outlet holes 14 located at the bottom is small, resulting in uneven air outlet.

[0050] In the embodiment of the present application, for example, the length of the air outlet part 12 can also be 55 mm, 60 mm, or 70 mm, etc. The specific length of the air outlet part 12 in the embodiment of the present application can not be limited, which can be set according to actual needs. The depth of the high-pressure gas entering the air cavity 13 can be 45 mm, 46 mm, or 50 mm, etc. The specific depth value of the high-pressure gas entering the air cavity 13 in the embodiment of the present application can also not be limited.

[0051] Optionally, in the embodiment of the present application, the side of the air outlet portion 12 away from the air outlet hole 14 is provided with a mounting hole 15, the mounting hole 15 is used for penetrating a fastener to mount the separating air knife 10 on the separator 20. In this way, by penetrating the fastener in the mounting hole 15, the separating air knife 10 and the separator 20 are more stably and reliably connected, which is simple to operate and easy to implement. Moreover, by arranging the mounting hole 15 on the side of the air outlet portion 12 away from the air outlet hole 14, the air outlet hole 14 is avoided from being affected or interfered.

[0052] For example, in the embodiment of the present application, the mounting hole 15 can be located at the lower corner of the air outlet portion 12, and a single bolt is used to penetrate the mounting hole 15 to mount the separating air knife 10 on the separator 20, which facilitates the adjustment of the installation angle of the separating air knife 10. In addition, the number of mounting holes 15 can also be two or three, etc. The specific number and arrangement position of the mounting hole 15 in the embodiment of the present application can not be limited.

[0053] In summary, the separating air knife according to the embodiment of the present application can at least have the following advantages:

[0054] In the embodiment of the present application, the separating air knife comprises: an air inlet portion and an air outlet portion; the air inlet portion is connected to the end of the air outlet portion, and high-pressure gas can be transmitted from the air inlet portion to the air outlet portion along a first direction; the side of the air outlet portion is provided with an air outlet hole, and high-pressure gas can be sprayed from the air outlet hole along a second direction; wherein the first direction intersects the second direction. In this way, the air outlet hole is arranged on the side of the air outlet portion, the high-pressure gas enters the air inlet portion along the first direction and is transmitted to the air outlet portion, and then is sprayed from the air outlet hole along the second direction intersecting the first direction, so that the plate material is more concentratedly separated by air pressure, and the plate material is uniformly and neatly separated. Avoiding the air outlet holes arranged on the end of the air knife in the circumferential direction, which leads to the dispersion of the air outlet, avoids the uneven separation of the plate material, and avoids the phenomenon of misalignment and adhesion, etc., and improves the separation effect of the plate material. Moreover, since the second direction of the air outlet is different from the first direction of the air inlet, the high-pressure gas will not be directly discharged, but can be temporarily retained in the air outlet portion, so as to realize secondary pressurization, enhance the separation effect of the gas sprayed from the air outlet hole on the plate material, and thus the air outlet amount required to be provided to the separating air knife is smaller, thereby the punching frequency per minute of the separating air knife can be improved, and the high-tact production rhythm can be better met.

[0055] Referring to Figure 5 The embodiment of the present application provides a separating device, which comprises a separator 20 and a separating air knife 10; the separating air knife 10 is connected to the separator 20, and the separator 20 can introduce high-pressure gas into the air inlet portion 11 of the separating air knife 10. Specifically, the separator 20 can introduce gas into the air inlet portion 11 through the air inlet pipe.

[0056] Optionally, in the embodiment of the present application, the separating air knife 10 is connected to the middle position of the separator 20. In this way, the separating air knife 10 sprays high-pressure gas at the middle position of the separator 20 to separate the sheet material, which has a better separating effect and better connection stability. For example, the number of separating air knives 10 can be one, two, three, etc. The specific number of separating air knives 10 is not limited in the embodiment of the present application.

[0057] In the embodiment of the present application, as shown in Figure 5 the number of separating air knives 10 is two, and the two separating air knives 10 are connected to the two sides of the separator 20. In this way, the two separating air knives 10 are used to separate the sheet material on both sides of the separator 20, which improves the separating reliability.

[0058] Optionally, in the embodiment of the present application, the separating air knife 10 is connected to the separator 20 at an angle relative to the vertical direction, and the angle of the separating air knife 10 is any value in the range of 0-3°. In this way, by adjusting the angle of the separating air knife 10, the sheet material can be separated at different angles. For example, the high-pressure gas can be sprayed upward at an angle, so as to achieve a more thorough separation effect on the sheet material. The angle of the separating air knife 10 is set to any value in the range of 0-3°, which avoids the high-pressure airflow being offset from the sheet material due to a large angle of the separating air knife 10, thereby affecting the separating effect on the sheet material. For example, the angle of the separating air knife 10 can be 1.5°, 2°, 3°, etc. The specific value of the angle of the separating air knife 10 is not limited in the embodiment of the present application.

[0059] In summary, the separating device in the embodiment of the present application can have at least the following advantages:

[0060] In the embodiment of the present application, the separating device comprises a separator and the separating air knife; the separating air knife is connected to the separator, and the separator can introduce high-pressure gas into the air inlet of the separating air knife. The separating air knife comprises an air inlet and an air outlet; the air inlet is connected to the end of the air outlet, and high-pressure gas can be transmitted from the air inlet to the air outlet in a first direction; the side of the air outlet is provided with an air outlet hole, and high-pressure gas can be sprayed from the air outlet hole in a second direction; wherein the first direction intersects the second direction. In this way, the air outlet hole is arranged on the side of the air outlet, high-pressure gas enters the air inlet in the first direction and is transmitted to the air outlet, and then is sprayed from the air outlet hole in the second direction intersecting the first direction, so that the plate material is more concentratedly separated by air pressure, and the plate material is more uniformly and neatly separated. Avoiding the air outlet holes arranged on the end of the air knife in the circumferential direction, the air outlet is more dispersed, and the uneven separation, the staggered layers and the adhesion are avoided, and the separation effect of the plate material is improved. Moreover, since the second direction of the air outlet is different from the first direction of the air inlet, the high-pressure gas will not be directly discharged, but can be temporarily stayed in the air outlet, so as to realize secondary pressurization, enhance the separation effect of the gas sprayed from the air outlet hole on the plate material, and thus the air outlet amount required to be provided to the separating air knife is smaller, and then the punching frequency per minute of the separating air knife can be improved, and the high-beat production rhythm can be better met.

[0061] With reference to Figure 6 The embodiment of the present application also provides a separating system, which comprises an air compressor 30, a gas storage member 40 and a separating device; the air compressor 30 is connected to the gas storage member 40, and the gas storage member 40 is connected to a separator 20 of the separating device. In this way, the air compressor 30 is used to compress air to form high-pressure gas, the compressed high-pressure gas is stored by the gas storage member 40, such as a gas tank, and is transmitted to the separator 20.

[0062] The separating system provided by the embodiment of the present application can at least have the following advantages:

[0063] In the embodiment of the present application, the separating system comprises an air compressor, an air storage member and the separating device; the air compressor is connected to the air storage member, and the air storage member is connected to the separator of the separating device. The separating device comprises the separator and the separating air knife; the separating air knife is connected to the separator, and the separator can introduce high-pressure gas into the air inlet part of the separating air knife. The separating air knife comprises an air inlet part and an air outlet part; the air inlet part is connected to the end of the air outlet part, and high-pressure gas can be transmitted from the air inlet part to the air outlet part in a first direction; the side surface of the air outlet part is provided with an air outlet hole, and high-pressure gas can be sprayed from the air outlet hole in a second direction; wherein the first direction intersects the second direction. In this way, the air outlet hole is arranged on the side surface of the air outlet part, high-pressure gas enters the air inlet part in the first direction and is transmitted to the air outlet part, and then is sprayed from the air outlet hole in the second direction intersecting the first direction, so that the plate material is separated by relatively concentrated air pressure, and the plate material is separated in a relatively uniform and neat manner. The air outlet holes arranged on the end of the air knife in the circumferential direction are avoided to cause relatively dispersed air outlet, and the phenomena of uneven separation, misalignment and adhesion are avoided, and the separation effect of the plate material is improved. Moreover, since the second direction of the air outlet is different from the first direction of the air inlet, the high-pressure gas will not be directly discharged, but can be relatively temporarily retained in the air outlet part, so that secondary pressurization is realized, the separation effect of the plate material by the gas sprayed from the air outlet hole is enhanced, the air outlet amount provided to the separating air knife is relatively small, and then the punching frequency per minute of the separating air knife can be improved, and the high-beat production rhythm can be better met.

[0064] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the exemplary description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0065] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A sheet-splitting air knife (10), characterized in that, The splitting air knife (10) includes an air inlet (11) and an air outlet (12); The air inlet (11) is connected to the end of the air outlet (12), and high-pressure gas can be transmitted from the air inlet (11) to the air outlet (12) along the first direction; The side of the air outlet (12) is provided with an air outlet (14), and high-pressure gas can be ejected from the air outlet (14) in the second direction; Wherein, the first direction intersects with the second direction.

2. The slitting air knife (10) according to claim 1, characterized in that, The air inlet (11) is provided with an air inlet (16), and the air outlet (12) is provided with a hollow air cavity (13); The air inlet (16), the air chamber (13), and the air outlet (14) are connected. High-pressure gas can be transmitted from the air inlet (16) to the air chamber (13) along the first direction and ejected from the air outlet (14) along the second direction.

3. The slitting air knife (10) according to claim 1, characterized in that, The number of air outlets (14) includes multiple ones, and the multiple air outlets (14) are spaced apart along the first direction.

4. The slitting air knife (10) according to any one of claims 1-3, characterized in that, The air outlet (12) has a mounting hole (15) on the side opposite to the air outlet (14). The mounting hole (15) is used for fasteners to pass through so that the slitting air knife (10) can be installed on the slitting device (20).

5. The slitting air knife (10) according to any one of claims 1-3, characterized in that, The diameter of the air outlet (14) is any value between 1 and 2 mm.

6. A sheet-splitting device, characterized in that, The sheet separation device includes a sheet separator (20) and a sheet separation air knife (10) as described in any one of claims 1-5; The splitting air knife (10) is connected to the splitter (20), and the splitter (20) can supply high-pressure gas to the air inlet (11) of the splitting air knife (10).

7. The sheet-splitting device according to claim 6, characterized in that, The splitting air knife (10) is connected to the middle position of the splitter (20).

8. The sheet-splitting device according to claim 6, characterized in that, The number of the splitting air knife (10) is two, and the two splitting air knives (10) are respectively connected to both sides of the splitter (20).

9. The sheet-splitting device according to any one of claims 6-8, characterized in that, The slitting air knife (10) is connected to the slitting device (20) at an angle relative to the vertical direction, and the angle of inclination of the slitting air knife (10) is any value between 0 and 3°.

10. A sheet-splitting system, characterized in that, The sheet-splitting system includes an air compressor (30), an air storage unit (40), and a sheet-splitting device according to any one of claims 6-9; The air compressor (30) is connected to the air storage unit (40), and the air storage unit (40) is connected to the sheet divider (20) of the sheet dividing device.

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