CN115430909A - Laser cutting tool for fins and manufacturing method of laser cutting tool for fins - Google Patents
Laser cutting tool for fins and manufacturing method of laser cutting tool for fins Download PDFInfo
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- CN115430909A CN115430909A CN202211402156.3A CN202211402156A CN115430909A CN 115430909 A CN115430909 A CN 115430909A CN 202211402156 A CN202211402156 A CN 202211402156A CN 115430909 A CN115430909 A CN 115430909A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/16—Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention relates to the technical field of positioning tools, in particular to a laser cutting tool for fins and a manufacturing method of the laser cutting tool for the fins. The invention provides a laser cutting tool for fins, which comprises: a base plate adapted to support the fin plate; stop gear includes: the first limiting piece is fixedly connected with the bottom plate, at least part of the first limiting piece protrudes out of the outer surface of the bottom plate, and the outer protruding part of the first limiting piece is suitable for being clamped into the groove of the fin plate; and the at least one second limiting piece is arranged on the bottom plate, at least part of the second limiting piece protrudes out of the outer surface of the bottom plate, and the outer protruding part of the second limiting piece is suitable for limiting the fin plate to move along the extending direction of the groove of the fin plate. The laser cutting tool for the fin plate provided by the invention has the advantages that the fin plate is accurately positioned, the swinging of the fin plate caused by the influence of laser beams and air flow during processing is avoided, the cutting thickness of the fin plate is more uniform, the processing precision is higher, and the later-stage finishing workload is reduced.
Description
Technical Field
The invention relates to the technical field of positioning tools, in particular to a laser cutting tool for a fin and a manufacturing method of the laser cutting tool for the fin.
Background
The fin plate is generally made of thin metal plates, the fin plate is punched and formed by a fin machine, the equipment is simple in die, continuous punching operation can be achieved, production efficiency is high, the formed fin plate is rectangular, the fin plate needs to be machined into a specific shape and a specific size again if the formed fin plate is applied to a plate-fin heat exchanger, and the time and the cost for customizing a punching die can be saved due to the fact that a laser cutting process is generally adopted.
The common supporting component of the existing plane laser cutting machine is a toothed plate or a honeycomb plate. However, by adopting the supporting component, the fin plate is not accurately positioned, the fin plate shakes during cutting, the machining precision is influenced, meanwhile, the cutting thickness of the plane laser cutting machine is not uniform, and a large amount of residues can be generated on the vertical surface of the fin plate, so that the subsequent trimming and polishing workload is increased.
Disclosure of Invention
Therefore, the invention aims to overcome the defects of low processing precision, a large amount of residues on the vertical surface of a fin plate and large subsequent trimming and polishing workload caused by inaccurate tooling positioning in the prior art, and provides a laser cutting tooling for fins and a manufacturing method of the laser cutting tooling for fins.
The invention provides a laser cutting tool for a fin, which comprises:
a base plate adapted to support the fin plate;
stop gear includes:
the first limiting piece is fixedly connected with the bottom plate, at least part of the first limiting piece protrudes out of the outer surface of the bottom plate, and the outer protruding part of the first limiting piece is suitable for being clamped into the groove of the fin plate;
and the outer convex part of the second limiting part is suitable for limiting the fin plate to move along the extending direction of the groove of the fin plate.
Optionally, the first limiting member is a long strip, and a length extending direction of the second limiting member is perpendicular to a length extending direction of the first limiting member.
Optionally, the first limiting part is a limiting insertion plate, the limiting insertion plate is inserted and/or welded on the bottom plate, the plate surface of the limiting insertion plate is vertically arranged, and the part protruding out of the outer surface of the bottom plate is suitable for being inserted into the groove of the fin plate.
Optionally, the height of the part of the limiting insertion plate protruding out of the outer surface of the bottom plate is smaller than the depth of the groove of the fin plate.
Optionally, the bottom plate includes outer bottom plate and at least one interior bottom plate, the inside of outer bottom plate sets up at least one through-hole, the interior bottom plate sets up in the through-hole, just the interior bottom plate with form between the outer bottom plate and be suitable for the cutting the groove of dodging of fin board, one be equipped with at least two in the through-hole during the interior bottom plate, be located same adjacent two in the through-hole also form between the interior bottom plate dodge the groove, the interior bottom plate with the outer bottom plate passes through leg joint, the part of support with outer bottom plate is connected, all the other parts and at least one interior bottom plate is connected.
Optionally, a slag removing groove is formed in a part, located right below the avoiding groove, of the support.
Optionally, be equipped with two congruent in the through-hole the infrabasal plate, the shape of infrabasal plate is right triangle, two the hypotenuse of infrabasal plate is adjacent and parallel, one the right-angle side of infrabasal plate and another the corresponding right-angle side of infrabasal plate aligns and is parallel.
Optionally, at least a portion of the avoiding groove is parallel to the limiting inserting plate, and a vertical distance between a groove width bisecting surface of the portion and a thickness bisecting surface of the limiting inserting plate is (0.5 + z) d, where z is a natural number and d is a pitch of the fin plate.
Optionally, a positioning hole suitable for positioning the laser cutting device is arranged on the outer bottom plate.
Optionally, the fin plate further comprises an auxiliary fixing member, and the auxiliary fixing member is suitable for pressing the fin plate and the bottom plate.
The invention provides a manufacturing method of a fin laser cutting tool, which comprises the following steps:
s1, cutting at least one non-closed avoidance groove section in a bottom plate, cutting the bottom plate into an outer bottom plate and at least one inner bottom plate, wherein a connecting section is arranged between end points of adjacent avoidance groove sections and is connected with the outer bottom plate and the at least one inner bottom plate, and the rest inner bottom plates are connected with the adjacent inner bottom plates or the outer bottom plates through the connecting sections;
s2, installing a support on the bottom plate, wherein part of the support is connected with the outer bottom plate, and the rest part of the support is connected with at least one inner bottom plate;
and S3, cutting off the connecting section to enable the bottom plate to be cut into the outer bottom plate and the at least one inner bottom plate which are independent of each other.
The invention has the following advantages:
1. according to the laser cutting tool for the fin, the first limiting piece and the second limiting piece are mounted on the bottom plate for supporting the fin plate, the first limiting piece is clamped in the groove of the fin plate, the fin plate is limited from moving along the arrangement direction of the groove of the fin plate, and the rotation of the fin plate on the bottom plate and the movement of the fin plate along the extension direction of the groove are limited by matching with the second limiting piece, so that the fin plate is accurately positioned, the swinging of the fin plate caused by the influence of laser beams and air flow during processing is avoided, the cutting thickness of the fin plate is more uniform, the generation of residues is reduced, the processing precision is higher, and the later-stage finishing workload is reduced.
2. According to the laser cutting tool for the fin, the bottom plate is divided into the inner bottom plate and the outer bottom plate, the inner bottom plate and the outer bottom plate are separated through the avoiding groove, the avoiding groove is designed to be beneficial to slag discharge of the fin plate, and the direct contact part of the fin plate to be processed and the bottom plate is prevented from being melted by high temperature generated by laser beams, so that impurities are mixed in the fin plate, and the pollution to the fin plate in the processing process is caused.
3. According to the laser cutting tool for the fins, the part, located right below the avoidance groove, of the support is provided with the slag removing groove, so that the slag removing capacity of the fin plate is further improved, and a certain protection effect is also achieved on the bottom plate and the support.
4. According to the manufacturing method of the fin laser cutting tool, the base plate is integrated before the fin laser cutting tool is assembled, and the outer base plate is connected with the inner base plate and the inner base plate is connected with other inner base plates through connecting sections, so that the size precision of the fin laser cutting tool is guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention 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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of a laser fin cutting tool according to an embodiment of the invention;
FIG. 2 is a schematic view of a fin plate assembly according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of the fin plate of FIG. 2;
FIG. 4 is a first structural schematic diagram of a base plate of the fin laser cutting tool of FIG. 1;
fig. 5 is a second structural schematic diagram of a bottom plate of the fin laser cutting tool in fig. 1.
Description of reference numerals:
10. a base plate; 11. an outer base plate; 111. positioning holes; 12. an inner bottom plate; 13. a connecting section; 21. a first limit piece; 22. a second limiting member; 30. and (4) a bracket.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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 invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, 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; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Examples
Referring to fig. 1 to 5, a laser fin cutting tool provided in an embodiment of the present invention includes:
a base plate 10 adapted to support the fin plate;
in this embodiment, the material of the bottom plate 10 is not particularly limited, and may be an inorganic non-metallic material, or a metallic material, and may specifically be stainless steel, which can adapt to a high-temperature working environment.
In this embodiment, the thickness of the bottom plate 10 is not specifically limited, and it is sufficient that after the bottom plate 10 bears the fin plate, the plate body does not deform significantly, the thickness of the bottom plate 10 is related to the material of the bottom plate 10 itself, and specifically, when the bottom plate 10 is a stainless steel plate, the thickness of the bottom plate 10 may be 2mm to 5mm.
Stop gear includes:
the first limiting piece 21 is fixedly connected with the bottom plate 10, at least part of the first limiting piece 21 protrudes out of the outer surface of the bottom plate 10, and the protruding part of the first limiting piece 21 is suitable for being clamped into the groove of the fin plate;
at least one second limiting member 22 is installed on the base plate 10 and at least partially protrudes out of the outer surface of the base plate 10, and the protruding portion of the second limiting member 22 is suitable for limiting the fin plate to move along the extending direction of the groove.
In this embodiment, the first limiting part 21 and the second limiting part 22 are installed on the bottom plate 10 for supporting the fin plate, the first limiting part 21 is clamped into the groove of the fin plate to limit the fin plate from moving along the arrangement direction of the groove, and the second limiting part 22 is matched to limit the rotation of the fin plate on the bottom plate 10 and the movement of the fin plate along the extension direction of the groove, so that the fin plate is accurately positioned, the swinging of the fin plate caused by the influence of a laser beam and air flow during processing is avoided, the cutting thickness of the fin plate is more uniform, the generation of residues is reduced, the processing precision is higher, and the trimming workload in the later stage is reduced.
In this embodiment, the structure of the first limiting member 21 is not specifically limited, and the fin plate can be limited to move along the arrangement direction of the grooves, and the first limiting member may be a cylinder, and is inserted into the groove of the fin plate, and the side surface of the cylinder abuts against the inner wall of the groove; in one embodiment, the first stopper 21 has an elongated shape, and the second stopper 22 has a longitudinal extending direction perpendicular to the longitudinal extending direction of the first stopper 21.
The first limiting part 21 is long, when the fin plate is fixed on the bottom plate 10, the extending direction of the groove of the fin plate is consistent with the length extending direction of the first limiting part 21, the fixing effect is excellent, and the length extending direction of the second limiting part 22 is perpendicular to the length extending direction of the first limiting part 21, so that the movement of the fin plate on the bottom plate 10 is further limited.
Specifically, the first elongated limiting member 21 may be a limiting strip fixed on the outer surface of the bottom plate 10; referring to fig. 1, the first limiting member 21 may also be a limiting insert plate, and a plate surface of the limiting insert plate is vertically arranged, and a portion of the limiting insert plate protruding from the outer surface of the bottom plate 10 is suitable for being inserted into the groove of the fin plate.
In this embodiment, the fixing manner of the limiting insertion plate and the bottom plate 10 is not particularly limited, and the limiting insertion plate may be formed by processing a mounting hole on the bottom plate 10 and inserting the limiting insertion plate on the bottom plate 10 through the mounting hole; the limiting insertion plate can be welded on the bottom plate 10, or the limiting insertion plate is inserted into the bottom plate 10 through the mounting hole and then welded and fixed.
In this embodiment, the limiting insertion plate may integrally extend out of the outer surface of the bottom plate 10, or only partially extend out of the outer surface of the bottom plate 10, where the limiting insertion plate is not specifically limited, and in order to make the lower surface of the bottom groove of the fin plate fit with the outer surface of the bottom plate 10, the height of the portion of the limiting insertion plate protruding out of the outer surface of the bottom plate 10 is less than the depth of the groove of the fin plate, referring to fig. 3, where the depth of the groove of the fin plate refers to the distance between the lower surface of the bottom groove and the lower surface of the top groove of the fin plate, that is, a in fig. 3; similarly, in order to enable the limiting insertion plate to be inserted into the groove of the fin plate and limit the fin plate to move along the arrangement direction of the groove, the thickness of the limiting insertion plate is slightly smaller than the width of the groove of the fin plate, i.e. b in fig. 3, in the embodiment, the thickness of the limiting insertion plate is 0.15mm-0.3mm smaller than the width of the groove of the fin plate.
In this embodiment, the number and arrangement of the limiting insertion plates are not particularly limited, and the fin plate can be fixed, wherein a plurality of limiting insertion plates with mutually parallel plate surfaces are arranged on the bottom plate 10, and the limiting insertion plates are arranged at multiple positions in a segmented manner, so that errors caused by elasticity of the fin plate can be reduced, and the cutting precision is improved; or a plurality of limiting insertion plates are arranged on the same row, and the direction of the row is the same as the length extending direction of the limiting insertion plates.
In this embodiment, the structure of the second limiting member 22 is not particularly limited, and the fin plate can be limited to move along the extending direction of the groove, and as an implementation manner, the second limiting member may be a limiting plate, and is fixedly installed on the bottom plate 10.
In this embodiment, the structure of the bottom plate 10 is not particularly limited, and the bottom plate 10 may be integrally formed, as long as the bottom plate can support the fin plate; as an embodiment, referring to fig. 5, the base plate 10 includes an outer base plate 11 and at least one inner base plate 12, at least one through hole is formed inside the outer base plate 11, the inner base plate 12 is disposed inside the through hole, and an avoiding groove suitable for cutting the fin plate is formed between the inner base plate 12 and the outer base plate 11, when at least two inner base plates 12 are disposed in one through hole, the avoiding groove is also formed between two adjacent inner base plates 12 located in the same through hole, the inner base plates 12 and the outer base plate 11 are connected by a bracket 30, a portion of the bracket 30 is connected to the outer base plate 11, and the rest portion is connected to at least one inner base plate 12.
In this embodiment, the bottom plate 10 is divided into an inner bottom plate 12 and an outer bottom plate 11, the inner bottom plate 12 and the outer bottom plate 11 are spaced by the avoiding groove, the design of the avoiding groove is favorable for the fin plate to discharge slag, and the direct contact part between the fin plate to be processed and the bottom plate 10 is also prevented from being melted by high temperature generated by laser beams, so that impurities are mixed in the fin plate, and the pollution to the fin plate in the processing process is caused.
In this embodiment, the width of the avoidance groove is not particularly limited, and the avoidance groove is advantageous for the fin plate to discharge slag, and as a specific implementation manner, the avoidance groove takes the cutting trajectory line as a symmetry line, and the distance between two sides of the avoidance groove and the cutting trajectory line is 2mm to 3mm.
In this embodiment, the setting position and the number of the through holes are not specifically limited, and are determined according to the size of the bottom plate 10 and the required size of the fin plate, and similarly, the number and the arrangement mode of the inner bottom plates 12 in the same through hole are also determined according to the size of the bottom plate 10 and the required size of the fin plate, as an implementation mode, referring to fig. 5, two through holes are arranged on the bottom plate 10, two congruent inner bottom plates 12 are arranged in each through hole, the inner bottom plates 12 are in right-angled triangle shapes, the hypotenuses of the two inner bottom plates 12 are adjacent and parallel, and the right-angled edge of one inner bottom plate 12 is aligned and parallel to the corresponding right-angled edge of the other inner bottom plate 12.
Further, a slag-removing groove is formed in the part of the bracket 30, which is located right below the avoiding groove.
When the support 30 is connected with the inner bottom plate 12 and the outer bottom plate 11, a part of the support 30 is located below the avoiding groove, and the part of the support 30 located under the avoiding groove is provided with the slag removing groove, so that the slag removing capacity of the fin plate is further improved, and the bottom plate 10 and the support 30 are protected to a certain extent.
In this embodiment, at least a portion of the avoiding groove is parallel to the limiting insert plate, and a vertical distance between a groove width bisection plane of the portion and a thickness bisection plane of the limiting insert plate is (0.5 + z) d, where z is a natural number and d is a pitch of the fin plate.
Referring to fig. 3, the pitch d refers to a distance from one side of the bottom groove of the fin plate to the same side of the adjacent bottom groove with the same shape, a surface which is along the extending direction of a certain section of avoiding groove and has the same distance from the left side and the right side of the section of avoiding groove is a groove width bisecting surface of the section of avoiding groove, at least a part of the avoiding groove is parallel to the limiting insert plate, the perpendicular distance between the groove width bisecting surface of the part and the thickness bisecting surface of the limiting insert plate is (0.5 z) d, so that the cutting trajectory line can be positioned on a symmetrical middle surface of the bottom groove of the fin plate, namely c in fig. 3, the cutting thickness of the laser cutting equipment is more uniform, the generation amount of the cutting slag is in direct proportion to the cutting thickness, the bottom of the fin plate is thinnest, the side wall of the fin plate is relatively thick from top to bottom, the cutting trajectory line can be reduced, and a certain distance is left between the cutting trajectory line and the side wall of the fin plate, so that the cutting slag can be prevented from being adhered to the side wall of the fin plate.
In this embodiment, the outer bottom plate 11 is provided with a positioning hole 111 suitable for positioning the laser cutting device.
Referring to fig. 5, the positioning holes 111 may be disposed on an extension line of the cutting trajectory line, and are suitable for guiding the laser cutting device to move along a symmetrical line of the avoidance groove, in this embodiment, 1 positioning hole 111 may meet all positioning requirements of the same tool, and as an implementation manner, referring to fig. 5, 1 positioning hole 111 is disposed on each of a pair of opposite corners of the bottom plate 10, so that an operator can conveniently select the positioning hole 111.
In this embodiment, an auxiliary fixing member is further provided, the auxiliary fixing member is suitable for pressing the fin plate and the bottom plate 10, the structure of the auxiliary fixing member is not particularly limited, and an acting force can be provided to press the fin plate and the bottom plate 10, and as an implementation manner, the auxiliary fixing member can be formed by fixing the fin plate on the bottom plate 10 and then placing a balancing weight to press the limiting inserting plate and the bottom plate 10; when the bottom plate 10 is made of a magnetic material, as an embodiment, the auxiliary fixing element may also be a magnet, and after the fin plate is fixed on the bottom plate 10, the magnet is placed to press the limiting inserting plate against the bottom plate 10, and specifically, the magnet may be a neodymium magnet.
The embodiment of the invention also provides a manufacturing method of the laser cutting tool for the fin, which comprises the following steps:
s1, cutting at least one non-closed avoidance groove section in a bottom plate 10, cutting the bottom plate 10 into an outer bottom plate 11 and at least one inner bottom plate 12, wherein a connecting section 13 is arranged between end points of adjacent avoidance groove sections, the connecting section 13 is connected with the outer bottom plate 11 and the at least one inner bottom plate 12, and the rest inner bottom plates 12 are connected with the adjacent inner bottom plates 12 or the outer bottom plates 11 through the connecting sections 13;
s2, installing a bracket 30 on the bottom plate 10, wherein part of the bracket 30 is connected with the outer bottom plate 11, and the rest part is connected with at least one inner bottom plate 12;
and S3, cutting off the connecting section 13 to cut the bottom plate 10 into an outer bottom plate 11 and at least one inner bottom plate 12 which are independent of each other.
Referring to fig. 4, in the present embodiment, the bottom plate 10 is an integral body before the fin laser cutting tool is assembled, the outer bottom plate 11 is connected to the inner bottom plate 12, and the inner bottom plate 12 is connected to other inner bottom plates 12 through the connecting sections 13, so as to ensure the dimensional accuracy of the fin laser cutting tool, and after the outer bottom plate 11 is connected to the inner bottom plate 12, and the inner bottom plate 12 is connected to other inner bottom plates 12 through the brackets 30, the connecting sections 13 are cut off, so that the slag discharge of the fin plate is smooth.
In this embodiment, the fixing manner of the bottom plate 10 and the bracket 30, and the fixing manner of the bottom plate 10 and the limiting insertion plate are not specifically limited, and they may be directly welded or inserted.
In this embodiment, do not specifically limit the fixed mode of second locating part 22, when second locating part 22 is the limiting plate, earlier according to fin plate width, measure the mounted position that the limiting plate was confirmed to the setting-out on bottom plate 10, confirm the posteroanterior with the limiting plate welding on bottom plate 10, specifically can be offered a plurality of preformed hole on the limiting plate, the limiting plate passes through spot welding to be fixed on bottom plate 10, the solder joint is located aforementioned preformed hole, adopt spot welding welded fixed mode, convenient operation reliability is high.
In the present embodiment, the length of the connection section 13 is not particularly limited, and may be a connection point having a strength for fixing the outer bottom plate 11 and the inner bottom plate 12, and fixing the inner bottom plate 12 and the other inner bottom plates 12. The method of cutting out the connecting section 13 is not particularly limited, and it may be cutting out by machining, for example, using an angle grinder, or may be cutting out using a laser cutting device.
In this embodiment, to limiting plate, support 30, spacing picture peg, all polish the processing, the deburring to reduce the fish tail to the fin board.
Based on the above specific implementation, the manufacturing process and the working principle of the embodiment of the invention are as follows:
at least one non-closed avoidance groove section is cut in the bottom plate 10, the bottom plate 10 is cut into an outer bottom plate 11 and at least one inner bottom plate 12, a connecting section 13 is arranged between the end points of adjacent avoidance groove sections, the connecting section 13 is connected with the outer bottom plate 11 and at least one inner bottom plate 12, and the rest inner bottom plates 12 are connected with the adjacent inner bottom plates 12 or the outer bottom plates 11 through the connecting sections 13;
a bracket 30, a first limiting piece 21 and a second limiting piece 22 are arranged on the bottom plate 10, part of the bracket 30 is connected with the outer bottom plate 11, and the rest part is connected with at least one inner bottom plate 12;
the connecting section 13 is cut away so that the bottom plate 10 is cut into an outer bottom plate 11 and at least one inner bottom plate 12 which are independent of each other.
The bottom plate 10 is provided with a first limiting part 21 and a second limiting part 22, the first limiting part 21 is clamped into a groove of the fin plate to limit the fin plate to move along the arrangement direction of the groove, the second limiting part 22 is matched to limit the rotation of the fin plate on the bottom plate 10 and the movement of the fin plate along the extension direction of the groove, so that the fin plate is accurately positioned, the bottom plate 10 comprises an outer bottom plate 11 and at least one inner bottom plate 12, an avoidance groove suitable for cutting the fin plate is formed between the inner bottom plate 12 and the outer bottom plate 11, so that slag discharge of the fin plate is facilitated, the bottom plate 10 is a whole before the fin laser cutting tool is assembled, so as to ensure the size precision of the fin laser cutting tool, and after the mounting bracket 30 is connected with the outer bottom plate 11 and the inner bottom plate 12, and the inner bottom plate 12 and other inner bottom plates 12, the connecting section 13 is removed, so that the inner bottom plate 12 and the outer bottom plate 11, the inner bottom plate 12 and other inner bottom plates 12 are completely cut.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (11)
1. The utility model provides a fin laser cutting frock which characterized in that includes:
a base plate (10) adapted to support the fin plate;
stop gear includes:
at least one first limiting piece (21), wherein the first limiting piece (21) is fixedly connected with the bottom plate (10), at least part of the first limiting piece (21) protrudes out of the outer surface of the bottom plate (10), and the outer convex part of the first limiting piece (21) is suitable for being clamped into the groove of the fin plate;
and the at least one second limiting piece (22) is arranged on the bottom plate (10) and at least partially protrudes out of the outer surface of the bottom plate (10), and the convex part of the second limiting piece (22) is suitable for limiting the fin plate to move along the extending direction of the groove of the fin plate.
2. The fin laser cutting tool according to claim 1, wherein the first limiting member (21) is long, and a length extending direction of the second limiting member (22) is perpendicular to a length extending direction of the first limiting member (21).
3. The laser fin cutting tool according to claim 2, wherein the first limiting part (21) is a limiting insertion plate, the limiting insertion plate is inserted into and/or welded on the bottom plate (10), the surface of the limiting insertion plate is vertically arranged, and the part of the limiting insertion plate, which protrudes out of the outer surface of the bottom plate (10), is suitable for being inserted into the groove of the fin plate.
4. The fin laser cutting tool according to claim 3, wherein the height of the part of the limiting inserting plate protruding out of the outer surface of the bottom plate (10) is smaller than the depth of the groove of the fin plate.
5. The laser fin cutting tool according to claim 3 or 4, characterized in that the base plate (10) comprises an outer base plate (11) and at least one inner base plate (12), at least one through hole is formed in the outer base plate (11), the inner base plate (12) is arranged in the through hole, an avoiding groove suitable for cutting the fin plate is formed between the inner base plate (12) and the outer base plate (11), when at least two inner base plates (12) are arranged in one through hole, two adjacent inner base plates (12) in the same through hole are formed between the inner base plates (12), the inner base plate (12) is connected with the outer base plate (11) through a support (30), the part of the support (30) is connected with the outer base plate (11), and the rest part of the support is connected with at least one inner base plate (12).
6. The laser fin cutting tool according to claim 5, wherein a slag removing groove is formed in a part, located right below the avoiding groove, of the support (30).
7. The fin laser cutting tool according to claim 5, wherein two congruent inner bottom plates (12) are arranged in the through hole, the inner bottom plates (12) are in right-angled triangle shapes, the inclined sides of the two inner bottom plates (12) are adjacent and parallel, and the right-angled side of one inner bottom plate (12) is aligned and parallel with the corresponding right-angled side of the other inner bottom plate (12).
8. The fin laser cutting tool according to claim 5, wherein at least a portion of the avoiding groove is parallel to the limiting inserting plate, and a vertical distance between a groove width bisecting plane of the portion and a thickness bisecting plane of the limiting inserting plate is (0.5 + z) d, wherein z is a natural number, and d is a pitch of the fin plate.
9. The fin laser cutting tool according to claim 5, characterized in that a positioning hole (111) suitable for positioning of a laser cutting device is formed in the outer bottom plate (11).
10. The laser fin cutting tool according to any one of claims 1 to 4, further comprising an auxiliary fixing piece, wherein the auxiliary fixing piece is suitable for pressing the fin plate and the bottom plate (10) tightly.
11. The manufacturing method of the laser cutting tool for the fins is characterized by comprising the following steps:
s1, cutting at least one non-closed avoidance groove section in a bottom plate (10), cutting the bottom plate (10) into an outer bottom plate (11) and at least one inner bottom plate (12), wherein a connecting section (13) is arranged between end points of adjacent avoidance groove sections, the connecting section (13) is connected with the outer bottom plate (11) and at least one inner bottom plate (12), and the rest inner bottom plates (12) are connected with the adjacent inner bottom plate (12) or the outer bottom plate (11) through the connecting section (13);
s2, installing a bracket (30) on the bottom plate (10), wherein part of the bracket (30) is connected with the outer bottom plate (11), and the rest part of the bracket is connected with at least one inner bottom plate (12);
s3, cutting off the connecting section (13) to cut the bottom plate (10) into an outer bottom plate (11) and at least one inner bottom plate (12) which are independent of each other.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211402156.3A CN115430909B (en) | 2022-11-10 | 2022-11-10 | Fin laser cutting tool and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211402156.3A CN115430909B (en) | 2022-11-10 | 2022-11-10 | Fin laser cutting tool and manufacturing method thereof |
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| CN115430909A true CN115430909A (en) | 2022-12-06 |
| CN115430909B CN115430909B (en) | 2023-04-21 |
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| US20160089731A1 (en) * | 2013-04-28 | 2016-03-31 | Baoshan Iron & Steel Co., Ltd. | Method and system for combined shearing of steel plate |
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|---|---|
| CN115430909B (en) | 2023-04-21 |
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