CN115430909B - Fin laser cutting tool and manufacturing method thereof - Google Patents
Fin laser cutting tool and manufacturing method thereof Download PDFInfo
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- CN115430909B CN115430909B CN202211402156.3A CN202211402156A CN115430909B CN 115430909 B CN115430909 B CN 115430909B CN 202211402156 A CN202211402156 A CN 202211402156A CN 115430909 B CN115430909 B CN 115430909B
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- bottom plate
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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 fin laser cutting tool and a manufacturing method of the fin laser cutting tool. The invention provides a fin laser cutting tool, which comprises: a bottom 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 outwards from the outer surface of the bottom plate, and the protruding part of the first limiting piece is suitable for being clamped into the groove of the fin plate; and the second limiting piece is arranged on the bottom plate and at least partially protrudes out of the outer surface of the bottom plate, and the protruding part of the second limiting piece is suitable for limiting the fin plate to move along the extending direction of the groove. The fin laser cutting tool provided by the invention has the advantages that the fin plate is positioned accurately, the shaking caused by the influence of the stimulated light beam and the airflow of the fin plate during processing is avoided, the cutting thickness of the fin plate is more uniform, the processing precision is higher, and the later-stage trimming workload is reduced.
Description
Technical Field
The invention relates to the technical field of positioning tools, in particular to a fin laser cutting tool and a manufacturing method of the fin laser cutting tool.
Background
The fin plate is generally made of thinner metal plates, and is formed by stamping through a fin machine, the equipment is simple in die, can perform continuous stamping operation, is high in production efficiency, is rectangular, and can be processed into specific shapes and sizes again if the fin plate is applied to a plate-fin heat exchanger.
The commonly used support members for the conventional planar laser cutting machine are toothed plates or honeycomb plates. But adopt above-mentioned supporting part, the fin board location is inaccurate, and the fin board rocks when the cutting, influences machining precision, and the thickness of plane laser cutting machine cutting is inhomogeneous simultaneously, and the fin board vertical face can produce a large amount of residues, leads to follow-up repair polishing work load to increase.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defects of low machining precision, a large amount of residues on the vertical surface of the fin plate and large subsequent finishing and polishing workload caused by inaccurate fixture positioning in the prior art, thereby providing a fin laser cutting fixture and a manufacturing method thereof.
The invention provides a fin laser cutting tool, which comprises:
a bottom plate adapted to support the fin plate;
stop gear includes:
the fin plate comprises a bottom plate, at least one first limiting piece, a second limiting piece and a fin plate, wherein the bottom plate is fixedly connected with the first limiting piece;
at least one second limiting piece which is arranged on the bottom plate and at least partially protrudes out of the outer surface of the bottom plate, wherein the protruding part of the second limiting piece is suitable for limiting the fin plate to move along the extending direction of the groove;
the first limiting piece is in a strip shape, and the length extending direction of the second limiting piece is perpendicular to the length extending direction of the first limiting piece;
the first limiting part is a limiting plugboard, the limiting plugboard is spliced and/or welded on the bottom plate, the plate surface of the limiting plugboard is vertically arranged, the part protruding out of the outer surface of the bottom plate is suitable for being inserted into the groove of the fin plate, the limiting plugboard can be inserted into the groove of the fin plate and can limit the fin plate to move along the arrangement direction of the groove, and the plate thickness of the limiting plugboard is smaller than the groove width of the fin plate;
the bottom plate comprises an outer bottom plate and at least one inner bottom plate, at least one through hole is formed in the outer bottom plate, the inner bottom plate is arranged in the through hole, an avoidance groove suitable for cutting the fin plate is formed between the inner bottom plate and the outer bottom plate, when at least two inner bottom plates are arranged in one through hole, the avoidance groove is also formed between two adjacent inner bottom plates positioned in the same through hole, the inner bottom plate is connected with the outer bottom plate through a bracket, part of the bracket is connected with the outer bottom plate, the rest part of the bracket is connected with at least one inner bottom plate, and a slag removal groove is formed in the part of the bracket positioned right below the avoidance groove;
the surface which is along the extending direction of a certain section of avoidance groove and is always equal to the distance between the left side and the right side of the section of avoidance groove is the groove width bisector surface of the section of avoidance groove, at least part of avoidance groove is parallel to the limiting inserting plate, the perpendicular distance between the groove width bisector surface of the part of avoidance groove and the thickness bisector surface of the limiting inserting plate is (0.5+z) d, wherein z is a natural number, and d is the pitch of the fin plate.
Optionally, the height of the part of the limiting plugboard protruding out of the outer surface of the bottom plate is smaller than the depth of the groove of the fin plate.
Optionally, two congruent inner bottom plates are arranged in the through hole, the inner bottom plates are right triangle in shape, the oblique sides of the two inner bottom plates are adjacent and parallel, and the right-angle side of one inner bottom plate is aligned and parallel with the corresponding right-angle side of the other inner bottom plate.
Optionally, a positioning hole suitable for positioning the laser cutting device is formed in the outer bottom plate.
Optionally, an auxiliary fixing member is further included, and the auxiliary fixing member is adapted to press the fin plate against the bottom plate.
The manufacturing method of the fin laser cutting tool provided by the invention 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 connecting sections are arranged between the endpoints of adjacent avoidance groove sections, the connecting sections are used for connecting the outer bottom plate and at least one inner bottom plate, and the rest of inner bottom plates are connected with the adjacent inner bottom plates or the outer bottom plates through the connecting sections;
s2, installing a bracket on the bottom plate, wherein part of the bracket is connected with the outer bottom plate, and the rest part of the bracket is connected with at least one inner bottom plate;
s3, cutting off the connecting section to enable the bottom plate to be cut into the outer bottom plate and at least one inner bottom plate which are mutually independent.
The invention has the following advantages:
1. according to the fin laser cutting tool provided by the invention, the first limiting piece and the second limiting piece are arranged on the bottom plate for supporting the fin plate, the first limiting piece is clamped into the groove of the fin plate, the fin plate is limited to move along the arrangement direction of the groove, and the second limiting piece is matched with the first limiting piece to limit the rotation of the fin plate on the bottom plate and the movement along the extending direction of the groove, so that the fin plate is accurately positioned, the shaking caused by the influence of stimulated light beams and air currents of the fin plate 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 trimming workload is reduced.
2. According to the fin laser cutting tool provided by the invention, 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 by the avoidance groove, the design of the avoidance groove is beneficial to slag discharge of the fin plate, and the phenomenon that the direct contact part of the fin plate to be processed and the bottom plate is melted at high temperature generated by laser beams is avoided, so that impurities are mixed in the fin plate, and pollution to the fin plate in the processing process is caused.
3. According to the fin laser cutting tool provided by the invention, the slag removing groove is formed in the part of the support right below the avoiding 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 bottom plate is integrated before the fin laser cutting tool is assembled, and the outer bottom plate is connected with the inner bottom plate and the inner bottom plate is connected with other inner bottom plates through the connecting sections, so that the dimensional accuracy 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 that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural diagram of a fin laser cutting tool according to an embodiment of the present invention;
FIG. 2 is a schematic view of the installation of a fin plate 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 schematic diagram of a bottom plate of the fin laser cutting tool of FIG. 1;
fig. 5 is a schematic structural diagram II of a bottom plate of the fin laser cutting tool of fig. 1.
Reference numerals illustrate:
10. a bottom plate; 11. an outer bottom plate; 111. positioning holes; 12. an inner bottom plate; 13. a connection section; 21. a first limiting member; 22. a second limiting piece; 30. and (3) a bracket.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured 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 explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Examples
Referring to fig. 1 to 5, a fin laser cutting tool provided by an embodiment of the present invention includes:
a bottom plate 10 adapted to support the fin plate;
in the present embodiment, the material of the base plate 10 is not particularly limited, and may be an inorganic nonmetallic material, a metallic material, or particularly stainless steel, as long as it can be adapted to a high-temperature working environment.
In this embodiment, the thickness of the bottom plate 10 is not specifically limited, and the thickness of the bottom plate 10 is 2mm-5mm when the bottom plate 10 is a stainless steel plate, and the thickness of the bottom plate 10 is related to the material of the bottom plate 10 after the bottom plate 10 bears the fin plate and the plate body is not obviously deformed.
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 outwards from 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 stopper 22 is mounted on the bottom plate 10 and has at least a portion protruding from the outer surface of the bottom plate 10, and the protruding portion of the second stopper 22 is adapted to restrict the fin plate from moving in the extending direction of the groove thereof.
In this embodiment, install first locating part 21 and second locating part 22 on the bottom plate 10 of supporting the fin board, first locating part 21 card is gone into in the recess of fin board, it is along its recess range direction removal to have restricted the fin board, cooperation second locating part 22 has restricted the rotation of fin board on bottom plate 10 and along the removal of its recess extension direction, make the fin board location accurate, the rocking that fin board stimulated light beam and air current influence produced when having avoided processing, make fin board cutting thickness more even, the production of residue has been reduced, the machining precision is higher, the trimming work load of later stage has been 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 groove arrangement direction thereof, and may be a cylinder, inserted into the groove of the fin plate, and the side surface of the cylinder abuts against the inner wall of the groove; as an embodiment, the first limiting member 21 is elongated, and the length extending direction of the second limiting member 22 is perpendicular to the length extending direction of the first limiting member 21.
The first limiting piece 21 is rectangular, and when the fin plate is fixed on the bottom plate 10, the recess extending direction of fin plate is unanimous with the length extending direction of first limiting piece 21, and fixed effect is outstanding, and the length extending direction of second limiting piece 22 is perpendicular with the length extending direction of first limiting piece 21, has further restricted the activity of fin plate on the bottom plate 10.
Specifically, the first elongated stopper 21 may be a stopper, and is 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, wherein a plate surface of the limiting insert plate is vertically disposed, and a portion of the limiting insert plate protruding from the outer surface of the bottom plate 10 is adapted to be inserted into a groove of the fin plate.
In this embodiment, the fixing manner of the limiting plugboard and the bottom plate 10 is not particularly limited, and may be that a mounting hole is processed on the bottom plate 10, and the limiting plugboard is spliced on the bottom plate 10 through the mounting hole; the limiting plugboard can be welded on the bottom plate 10, or the limiting plugboard is spliced on the bottom plate 10 through the mounting hole and then welded and fixed.
In this embodiment, the limiting insert plate may extend integrally beyond the outer surface of the bottom plate 10, or may extend only partially beyond the outer surface of the bottom plate 10, which is not limited herein, and in order to make the lower surface of the bottom slot of the fin plate fit with the outer surface of the bottom plate 10, the height of the portion of the limiting insert plate protruding beyond the outer surface of the bottom plate 10 is smaller than the depth of the groove of the fin plate, referring to fig. 3, the depth of the groove of the fin plate refers to the distance between the lower surface of the bottom slot of the fin plate and the lower surface of the top slot, i.e. a in fig. 3; similarly, in order to enable the limiting insert plate to be inserted into the groove of the fin plate and to limit the fin plate to move in the groove arrangement direction thereof, the plate thickness of the limiting insert plate is slightly smaller than the groove width of the fin plate, i.e., b in fig. 3, and in the present embodiment, the plate thickness of the limiting insert plate is 0.15mm to 0.3mm smaller than the groove width of the fin plate.
In this embodiment, the number and arrangement manner of the limiting plugboards are not particularly limited, and the fin plates can be fixed, which can be that a plurality of limiting plugboards with mutually parallel plate surfaces are arranged on the bottom plate 10, and the limiting plugboards are arranged at a plurality of sections, so that errors caused by the elasticity of the fin plates can be reduced, and the cutting precision is improved; or a plurality of limit plugboards are arranged on the same column, and the direction of the column is the same as the length extension direction of the limit plugboards.
In this embodiment, the structure of the second stopper 22 is not particularly limited, and the fin plate may be limited to move along the extending direction of the groove, and may be a stopper plate fixedly mounted on the bottom plate 10 as an embodiment.
In this embodiment, the structure of the bottom plate 10 is not particularly limited, and the bottom plate 10 may be integrally formed, so long as the fin plate can be supported; as an embodiment, referring to fig. 5, the bottom plate 10 includes an outer bottom plate 11 and at least one inner bottom plate 12, at least one through hole is provided in the inner portion of the outer bottom plate 11, the inner bottom plate 12 is provided in the through hole, and a recess adapted to cut a fin plate is formed between the inner bottom plate 12 and the outer bottom plate 11, and when at least two inner bottom plates 12 are provided in one through hole, a recess is also formed between two adjacent inner bottom plates 12 located in the same through hole, the inner bottom plates 12 are connected with the outer bottom plate 11 through a bracket 30, a portion of the bracket 30 is connected with the outer bottom plate 11, and the remaining portion is connected with the at least one inner bottom 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 apart by avoiding grooves, the design of the avoiding grooves is beneficial to slag discharge of the fin plates, and the direct contact part between the fin plates to be processed and the bottom plate 10 due to high temperature melting generated by laser beams is avoided, so that impurities are mixed in the fin plates, and pollution to the fin plates in the processing process is caused.
In this embodiment, the width of the avoidance groove is not specifically limited, and slag is discharged by the fin plate, so that as a specific implementation mode, the avoidance groove uses the cutting track line as a symmetry line, and the distance between two sides of the avoidance groove and the cutting track line is 2mm-3mm.
In this embodiment, the positions 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 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, and as an embodiment, referring to fig. 5, two through holes are provided on the bottom plate 10, two congruent inner bottom plates 12 are provided in each through hole, the inner bottom plates 12 are right triangle, the oblique sides of the two inner bottom plates 12 are adjacent and parallel, and the right angle side of one inner bottom plate 12 is aligned and parallel to the corresponding right angle side of the other inner bottom plate 12.
Further, a slag removing groove is formed in a portion of the bracket 30 located right below the avoidance 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 avoidance groove, a slag removal groove is formed in the part of the support 30 located right below the avoidance groove, slag removal capacity of the fin plates is further improved, and certain protection effects are achieved on the bottom plate 10 and the support 30.
In this embodiment, at least a portion of the avoidance groove is parallel to the limiting insert plate, and a perpendicular distance between a groove width bisecting plane of the portion and a thickness bisecting 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 the distance from one side of the bottom groove of the fin plate to the same side of the bottom groove in the adjacent same shape, the surface which is along the extending direction of a certain section avoiding groove and is always equal to the distance from the left side and the right side of the section avoiding groove is the groove width bisector surface of the section avoiding groove, at least part of the avoiding groove is parallel to the limiting insert plate, the perpendicular distance between the groove width bisector surface of the part and the thickness bisector surface of the limiting insert plate is (0.5+z) d, so that the cutting track line is positioned on the symmetrical middle surface of the bottom groove of the fin plate, namely c in fig. 3, the thickness of the cutting of the laser cutting device is more uniform, the generation amount of cutting slag is proportional to the cutting thickness, the bottom of the fin plate is thinnest, and the side wall of the fin plate is relatively thicker from top to bottom, so that the cutting slag can be reduced, and a certain distance is reserved between the cutting track line and the side wall of the fin plate, and the cutting slag can be prevented from adhering to the side wall of the fin plate.
In this embodiment, the outer bottom plate 11 is provided with a positioning hole 111 adapted to position the laser cutting apparatus.
Referring to fig. 5, the positioning holes 111 may be disposed on an extension line of the cutting track line, and are suitable for guiding the laser cutting device to move along a symmetry line of the avoidance groove, in this embodiment, 1 positioning hole 111 may be present to satisfy all positioning requirements on the same tool, and referring to fig. 5, 1 positioning hole 111 is disposed on a pair of opposite corners of the bottom plate 10, so as to facilitate an operator to select the positioning holes 111.
In this embodiment, an auxiliary fixing member is further provided, and the auxiliary fixing member is adapted to compress the fin plate and the bottom plate 10, and the structure of the auxiliary fixing member is not limited specifically, and can provide an acting force to compress the fin plate and the bottom plate 10, and as an implementation manner, after fixing the fin plate on the bottom plate 10, a balancing weight is placed to compress the limiting plugboard and the bottom plate 10; when the bottom plate 10 is made of magnetic material, as an implementation manner, the auxiliary fixing piece may be a magnet, after the fin plate is fixed on the bottom plate 10, the limit plugboard is pressed with the bottom plate 10 by placing the magnet, and the magnet may be a neodymium magnet.
The embodiment of the invention also provides a manufacturing method of the fin laser cutting tool, which comprises the following steps:
s1, cutting at least one non-closed avoidance groove section into a base plate 10, cutting the base plate 10 into an outer base plate 11 and at least one inner base plate 12, wherein connecting sections 13 are arranged between the endpoints of adjacent avoidance groove sections, the connecting sections 13 are used for connecting the outer base plate 11 and the at least one inner base plate 12, and the rest inner base plates 12 are connected with the adjacent inner base plates 12 or the outer base 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;
s3, cutting off the connecting section 13 to enable the bottom plate 10 to be cut 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 this embodiment, the bottom plate 10 is formed as a whole before the fin laser cutting tool is assembled, the outer bottom plate 11 is connected with the inner bottom plate 12, and the inner bottom plate 12 is connected with other inner bottom plates 12 through the connecting section 13, so as to ensure the dimensional accuracy of the fin laser cutting tool, and after the outer bottom plate 11 is connected with the inner bottom plate 12, and the inner bottom plate 12 is connected with other inner bottom plates 12 through the bracket 30, the connecting section 13 is cut off, so that the slag of the fin plate is smoothly discharged.
In this embodiment, the fixing manner of the base plate 10 and the bracket 30, and the fixing manner of the base plate 10 and the limiting plugboard are not particularly limited, and may be direct welding or plugging, and as an embodiment, when the bracket 30 and the limiting plugboard are installed, an adaptive installation hole site may be machined in the base plate 10 in advance, and spot welding is performed after installation.
In this embodiment, the fixing manner of the second limiting member 22 is not specifically limited, when the second limiting member 22 is a limiting plate, the mounting position of the limiting plate is determined by measuring the drawing line on the bottom plate 10 according to the width of the fin plate, and after the mounting position is determined, the limiting plate is welded on the bottom plate 10, specifically, a plurality of preformed holes are formed in the limiting plate, the limiting plate is fixed on the bottom plate 10 through spot welding, the welding points are located in the preformed holes, and the fixing manner of spot welding is adopted, so that the operation convenience and reliability are high.
In the present embodiment, the length of the connecting section 13 is not particularly limited, and may be any connecting point as long as it has strength to fix the outer chassis 11 to the inner chassis 12 and the inner chassis 12 to other inner chassis 12. The manner of machining the cutting connection section 13 is not particularly limited, and it may be cutting by machining, for example, cutting using an angle grinder, or cutting using a laser cutting device.
In this embodiment, the limiting plate, the bracket 30 and the limiting plugboard are polished and the burrs are removed, so as to reduce the scratch to the fin plate.
Based on the specific implementation manner, the manufacturing process and the working principle of the embodiment of the invention are as follows:
cutting at least one non-closed avoidance groove section into the bottom plate 10, cutting the bottom plate 10 into an outer bottom plate 11 and at least one inner bottom plate 12, wherein connecting sections 13 are arranged between the endpoints of adjacent avoidance groove sections, the connecting sections 13 are used for connecting 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;
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 one outer bottom plate 11 and at least one inner bottom plate 12, which are independent of each other.
The first limiting piece 21 and the second limiting piece 22 are installed on the bottom plate 10, the first limiting piece 21 is clamped into the grooves of the fin plates, the fin plates are limited to move along the arrangement direction of the grooves, the second limiting piece 22 is matched with the fin plates, the rotation of the fin plates on the bottom plate 10 and the movement along the extending direction of the grooves of the fin plates are limited, the fin plates are 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 plates is formed between the inner bottom plate 12 and the outer bottom plate 11, slag is discharged from the fin plates, the bottom plate 10 is integrated before the fin laser cutting tool is not assembled, so that the dimensional accuracy of the fin laser cutting tool is guaranteed, after the installing support 30 is connected with the outer bottom plate 11 and the inner bottom plate 12, the connecting section 13 is removed, and the inner bottom plate 12 and the other inner bottom plate 12 are thoroughly cut.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (6)
1. Fin laser cutting frock, its characterized in that includes:
a bottom plate (10) adapted to support the fin plate;
stop gear includes:
the fin plate comprises at least one first limiting piece (21), wherein the first limiting piece (21) is fixedly connected with the base plate (10), at least part of the first limiting piece (21) protrudes outwards from the outer surface of the base plate (10), and the protruding part of the first limiting piece (21) is suitable for being clamped into a groove of the fin plate;
at least one second stopper (22) mounted on the bottom plate (10) and having at least a portion protruding outwardly from an outer surface of the bottom plate (10), the protruding portion of the second stopper (22) being adapted to restrict movement of the fin plate in a groove extending direction thereof;
the first limiting piece (21) is long, and the length extending direction of the second limiting piece (22) is perpendicular to the length extending direction of the first limiting piece (21);
the first limiting piece (21) is a limiting plugboard which is spliced and/or welded on the bottom plate (10), the plate surface of the limiting plugboard is vertically arranged, the part of the limiting plugboard protruding out of the outer surface of the bottom plate (10) is suitable for being inserted into the groove of the fin plate, the limiting plugboard can be inserted into the groove of the fin plate and can limit the fin plate to move along the arrangement direction of the groove, and the plate thickness of the limiting plugboard is smaller than the groove width of the fin plate;
the bottom plate (10) comprises an outer bottom plate (11) and at least one inner bottom plate (12), at least one through hole is formed in the outer bottom plate (11), the inner bottom plate (12) is arranged in the through hole, a avoidance groove suitable for cutting the fin plate is formed between the inner bottom plate (12) and the outer bottom plate (11), when at least two inner bottom plates (12) are arranged in the through hole, the avoidance groove is also formed between two adjacent inner bottom plates (12) positioned in the same through hole, the inner bottom plates (12) are connected with the outer bottom plate (11) through a bracket (30), part of the bracket (30) is connected with the outer bottom plate (11), the rest part of the bracket is connected with at least one inner bottom plate (12), and a slag withdrawal groove is formed in the part of the bracket (30) positioned under the avoidance groove;
the surface which is along the extending direction of a certain section of avoidance groove and is always equal to the distance between the left side and the right side of the section of avoidance groove is the groove width bisector surface of the section of avoidance groove, at least part of avoidance groove is parallel to the limiting inserting plate, the perpendicular distance between the groove width bisector surface of the part of avoidance groove and the thickness bisector surface of the limiting inserting plate is (0.5+z) d, wherein z is a natural number, and d is the pitch of the fin plate.
2. The fin laser cutting tool according to claim 1, wherein the height of the portion of the limiting insert plate protruding from the outer surface of the bottom plate (10) is smaller than the groove depth of the fin plate.
3. The fin laser cutting tool according to claim 1, wherein two congruent inner bottom plates (12) are provided in the through hole, the inner bottom plates (12) are right triangle in shape, the hypotenuses of the two inner bottom plates (12) are adjacent and parallel, and the right-angle side of one inner bottom plate (12) is aligned and parallel with the corresponding right-angle side of the other inner bottom plate (12).
4. The fin laser cutting tool according to claim 1, wherein the outer bottom plate (11) is provided with positioning holes (111) adapted for positioning of a laser cutting device.
5. The fin laser cutting tooling of any one of claims 1-4, further comprising an auxiliary fixture adapted to compress the fin plate with the base plate (10).
6. A method of making a fin laser cutting tool as defined in any one of claims 1 to 5, comprising the steps of:
s1, cutting at least one non-closed avoidance groove section into 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 the endpoints of adjacent avoidance groove sections, the connecting section (13) is used for connecting the outer bottom plate (11) and at least one inner bottom plate (12), and the rest of the inner bottom plates (12) are connected with the adjacent inner bottom plates (12) or the outer bottom plates (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 is connected with at least one inner bottom plate (12);
s3, cutting off the connecting section (13) to enable the bottom plate (10) to be cut into the outer bottom plate (11) and the inner bottom plate (12) which are independent of each other.
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| CN112338965A (en) * | 2020-10-17 | 2021-02-09 | 汇美农业科技有限公司 | Cutting device is used in can processing based on sponge is absorbed |
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| CN103600234A (en) * | 2013-04-28 | 2014-02-26 | 宝山钢铁股份有限公司 | Steel plate combination shearing method and system |
| CN208543105U (en) * | 2018-08-02 | 2019-02-26 | 龙工（江西）机械有限公司 | Rectangle hollow steel pipe is cut by laser tooling |
| CN109950159A (en) * | 2019-03-11 | 2019-06-28 | 嘉盛半导体(苏州)有限公司 | A kind of method for packaging semiconductor |
| CN210387990U (en) * | 2019-06-28 | 2020-04-24 | 杭州聚冠机械制造有限公司 | Tool for batch laser cutting |
| CN213646339U (en) * | 2020-11-16 | 2021-07-09 | 四川新远宏机械设备有限公司 | Limiting tool for cutting plates |
| CN215787627U (en) * | 2021-09-26 | 2022-02-11 | 山东普雷赛斯数控设备有限公司 | Cutting platform for laser cutting machine with regulatory function |
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