CN111589918A - Stamping equipment of wave-shaped radiating fin - Google Patents
Stamping equipment of wave-shaped radiating fin Download PDFInfo
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- CN111589918A CN111589918A CN202010448972.2A CN202010448972A CN111589918A CN 111589918 A CN111589918 A CN 111589918A CN 202010448972 A CN202010448972 A CN 202010448972A CN 111589918 A CN111589918 A CN 111589918A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D13/00—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form
- B21D13/02—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form by pressing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
- B21D53/04—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of sheet metal
Abstract
The invention relates to stamping equipment for a waveform radiating fin, which comprises a stamping machine body and a hydraulic cylinder, wherein a stamping seat is fixed at the end part of the hydraulic cylinder, an installation seat is arranged on the stamping machine body, and a stamping head is fixed on the bottom surface of the stamping seat; the upper surface of the mounting seat is provided with a stamping notch; two sides of the punching notch are respectively provided with an abutting block which is in sliding connection with the upper surface of the mounting seat, and the bottom surface of the abutting block is provided with a pressing groove for pressing the edge of the aluminum sheet; a jacking part is arranged between the punching notch and the abutting block, the jacking part comprises a jacking groove formed in the upper surface of the mounting seat and a jacking head connected in the jacking groove in a sliding manner, the upper surface of the jacking head is arc-shaped, and the sliding direction of the jacking head is vertical; the mounting seat is further provided with a first driving part for driving the abutting block to move towards the punching notch and a second driving part for driving the jacking head to move upwards. The invention has the effects of high processing efficiency and uniform thickness of the corrugated radiating fins formed by stamping.
Description
Technical Field
The invention relates to the technical field of radiating fin processing, in particular to stamping equipment for a corrugated radiating fin.
Background
The radiating fin is a device for radiating heat of electronic elements which are easy to generate heat in electric appliances, and is made of aluminum alloy, copper and the like, and is made into plate shape, sheet shape, multi-sheet shape and the like, for example, a CPU (central processing unit) in a computer needs to use a relatively large radiating fin, and power tubes, row tubes and power amplifier tubes in a television set need to use radiating fins. Generally, a layer of heat-conducting silicone grease is coated on the contact surface of an electronic component and a heat sink when the heat sink is in use, so that heat emitted by the component is more effectively conducted to the heat sink and then dissipated to the ambient air through the heat sink. As shown in fig. 1, a conventional corrugated fin has a larger surface area when arranged on a heat sink than a flat plate fin, so that the heat dissipation effect is better. In the prior art, the corrugated radiating fins are usually processed by adopting a stamping or bending process. The thickness of the corrugated radiating fin manufactured by the bending process is uniform, but compared with the stamping process, the corrugated radiating fin manufactured by the bending process needs to be repeatedly bent, and the processing efficiency is not high.
And the stamping process such as chinese patent publication No. CN110280677A discloses a stamping hardware for electronic equipment, the hardware is a sheet-like structure, one side of the sheet is a smooth plane, and convex points protruding outwards are uniformly distributed on the other side of the sheet. The process steps for stamping hardware by using the electronic equipment comprise: punching a guide hole; positioning the strip material; forming salient points; shaping the salient points; trimming; leveling; secondary bump shaping; and (6) blanking. The scheme adopts a stamping mode to form the radiating fin, so that the thickness of the radiating fin reaches 0.07mm-0.09mm, and the back of the radiating fin is stamped to form salient points.
In the stamping process, the stamping process has a stretching and shearing effect on the sheet, so that the formed radiating fin is uneven in thickness and the radiating effect is affected.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a stamping device for a corrugated radiating fin, which has the effects of high processing efficiency and uniform thickness of the corrugated radiating fin formed by stamping.
The above object of the present invention is achieved by the following technical solutions:
the stamping equipment for the waveform radiating fin comprises a stamping machine body and a hydraulic cylinder fixed on the stamping machine body, wherein the end part of the hydraulic cylinder faces downwards vertically and is fixedly provided with a stamping seat, and a working table surface is arranged on the stamping machine body; an installation seat for fixing an aluminum sheet is fixed on the working table top, and a punching head with a circular arc-shaped bottom surface is fixed on the bottom surface of the punching seat; the upper surface of the mounting seat is provided with a punching notch horizontally aligned with the punching head, and the inner bottom surface of the punching notch is arc-shaped and matched with the arc-shaped bottom surface of the punching head; abutting blocks which are in sliding connection with the upper surface of the mounting seat are arranged on two sides of the punching notch respectively, a pressing groove used for pressing the edge of the aluminum sheet is formed in the bottom surface of each abutting block, the top surface in each pressing groove is attached to and abutted against the upper surface of the aluminum sheet, and the inner side wall of each pressing groove is abutted against the edge of the aluminum sheet; a jacking part is arranged between the stamping notch and the abutting block, the jacking part comprises a jacking groove formed in the upper surface of the mounting seat and a jacking head slidably connected in the jacking groove, the upper surface of the jacking head is arc-shaped, and the sliding direction of the jacking head is vertical; the mounting seat is further provided with a first driving part for driving the abutting block to move towards the punching notch and a second driving part for driving the jacking head to move upwards.
By adopting the technical scheme, when the aluminum sheet is horizontally placed on the mounting seat, the abutting blocks are arranged on two sides of the aluminum sheet, so that edges of two sides of the aluminum sheet are respectively embedded into the pressing grooves on the abutting blocks, then the hydraulic cylinder is started to drive the pressing seat to move downwards, and the punching head is gradually inserted into the punching groove, so that downward wave-shaped protrusions are formed on the aluminum sheet, meanwhile, the abutting blocks are driven by the first driving part to move towards the punching groove opening, and the jacking head is driven by the second driving part to jack upwards, so that two upward wave-shaped protrusions are formed on two sides of each wave-shaped protrusion, and accordingly, the wave-shaped radiating fins are machined; in the process, the middle of the aluminum sheet is bent and deformed in the stamping notch, and the two sides of the aluminum sheet move towards the stamping notch under the extrusion of the abutting block until the ejecting head is ejected out to form another two upward wave-shaped protrusions, so that the aluminum sheet has the movement along with the deformation of the aluminum sheet when being stamped, the stretching and shearing action of the aluminum sheet when being stamped is reduced, the thickness of the formed wave-shaped radiating fins is more uniform, and compared with the bending process, the processing efficiency is higher.
The present invention in a preferred example may be further configured to: the first driving part comprises a fixed block fixed on the bottom surface of the stamping seat and a transmission rod obliquely arranged, one end of the transmission rod is hinged with the fixed block, and the other end of the transmission rod is hinged with the top of the butting block.
By adopting the technical scheme, when the hydraulic cylinder is started, the stamping seat moves downwards to drive the fixing block to move downwards, so that the upper end of the transmission rod is driven to move downwards, the lower end of the transmission rod drives the abutting block to slide on the mounting seat, and the pushing and extruding effects on the aluminum sheet can be completed without additionally arranging a driving source.
The present invention in a preferred example may be further configured to: the side wall of the fixed block, which is parallel to the moving direction of the abutting block, is provided with a mounting groove, and the end part of the transmission rod is fixedly provided with a rotating column which penetrates into the mounting groove from one side of the fixed block; a mounting plate detachably connected with the fixing block is fixed on one side, away from the transmission rod, of the fixing block, a first rotating block and a second rotating block which are embedded into the mounting groove are fixed on the mounting plate, and the first rotating block and the second rotating block are respectively arranged on two sides of the rotating column; the first rotating block is provided with a first rotating arc groove which is fit with and slides and matches with the cylindrical surface of the rotating column, and the second rotating block is provided with a second rotating arc groove which is fit with and slides and matches with the cylindrical surface of the rotating column; the fixed block is detachably connected with the bottom surface of the stamping seat.
Through adopting above-mentioned technical scheme, the rotation post of transfer line upper end rotates arc inslot wall and second with first rotation piece and the second on the second rotation piece respectively and rotates the arc inslot wall and slide the cooperation to make transfer line upper end and fixed block articulated setting, because the mounting panel can be dismantled with the fixed block and be connected, and the fixed block can be dismantled with the punching press seat and be connected, make things convenient for operating personnel to demolish being connected between transfer line and the fixed block, conveniently change the transfer line.
The present invention in a preferred example may be further configured to: the fixed block is also provided with an adjusting plate, a third rotating block and a fourth rotating block which are embedded into the mounting groove are fixed on the adjusting plate, the third rotating block and the fourth rotating block are respectively arranged at two sides of the rotating column, a third rotating arc groove with the structure consistent with that of the first rotating arc groove is formed in the surface of the third rotating block close to the rotating column, and a fourth rotating arc groove with the structure consistent with that of the second rotating arc groove is formed in the surface of the fourth rotating block close to the rotating column; the axis of the third rotating arc groove and the axis of the fourth rotating arc groove are respectively arranged on two sides of the axis of the rotating column and are positioned on the same horizontal plane.
Through adopting above-mentioned technical scheme, the rotation post on the transfer line can rotate the arc groove in the third and the fourth rotates and slide between the arc groove, when the punching press seat moves down, rotate the post and rotate the arc groove by the fourth and slide towards the third rotation arc groove, at this moment, the butt piece does not have the squeezing action to the aluminium foil, and when rotating the post and sliding to the third and rotate on the arc groove, transfer line drive butt piece removes to it is protruding to make the aluminium foil form wave form up under the combined action of roof pressure head and butt piece.
The present invention in a preferred example may be further configured to: the regulating plate is provided with a plurality of regulating plates, and the third rotating arc groove axis and the fourth rotating arc groove axis on the regulating plates are different in distance.
By adopting the technical scheme, when different adjusting plates are arranged on the fixed block, the sliding strokes of the rotating columns between the third rotating block and the fourth rotating block are different, so that the time for the abutting blocks to start extruding the edges of the aluminum sheets when the stamping seat moves downwards is adjusted.
The present invention in a preferred example may be further configured to: a plurality of adjusting holes are formed in the bottom surface of the stamping seat, and the adjusting holes are uniformly arranged along the moving direction of the abutting block; the fixed block is fixed with the connecting block that the punching press seat bottom surface laminating set up, be equipped with fastening bolt on the connecting block, the vertical upwards through connection piece of fastening bolt tip penetrates the connecting block position in the adjusting hole, fastening bolt with adjusting hole inner wall screw-thread fit.
Through adopting above-mentioned technical scheme, when fastening bolt screwed, in fastening bolt tip screw in adjusting hole for the fixed block is fixed with the punching press seat bottom surface, and the adjusting hole is equipped with many places, so when the different adjusting hole of fastening bolt tip screw in, the position of fixed block is different, so has adjusted the position of fixed block in butt piece slip side.
The present invention in a preferred example may be further configured to: the second driving part comprises a driving groove arranged on the upper surface of the mounting seat, a driving block which is connected in the driving groove in a sliding manner and is fixed with the bottom surface of the abutting block, a first piston sleeve fixed in the driving groove, a second piston sleeve fixed in the jacking groove and an oil pressure pipe embedded in the mounting seat; the first piston sleeve is arranged at one end, close to the jacking groove, of the driving groove, the opening of the first piston sleeve faces the driving block, a first piston block movably sealed with the inner wall of the first piston sleeve is connected in the first piston sleeve in a sliding mode, and the side wall, close to the driving block, of the first piston block protrudes out of the opening of the first piston sleeve; the second piston sleeve is arranged at the bottom of the jacking groove, the opening of the second piston sleeve is arranged upwards, a second piston block movably sealed with the inner wall of the second piston sleeve is connected in the second piston sleeve in a sliding manner, and the upper surface of the second piston block is fixed with the bottom surface of the jacking head; the two ends of the oil pressure pipe are respectively communicated with the first piston sleeve and the second piston sleeve, and the first piston sleeve, the oil pressure pipe and the second piston sleeve are filled with hydraulic oil.
Through adopting above-mentioned technical scheme, when the punching press seat moved down, the butt piece slided towards the punching press notch thereupon, it slides in the drive inslot to drive the drive block, until the first piston piece of drive block contact and promote first piston piece and get into in the first piston cover, thereby make the hydraulic oil in the first piston cover pass through the oil pressure pipe and impress in the second piston cover, thereby make the second piston piece shift up, the drive ejecting head is ejecting, thereby by ejecting head roof pressure that makes progress when the aluminium foil suffered the extrusion of abutting block, thereby it is protruding to form the wave form of ascending.
In summary, the invention includes at least one of the following beneficial technical effects:
in the process of processing the corrugated radiating fins by the stamping equipment, the middle part of the aluminum sheet is bent and deformed towards the stamping notch, and the two sides of the aluminum sheet move towards the stamping notch under the extrusion of the abutting block until the other two upward corrugated bulges are formed when the jacking head is ejected out, so that the aluminum sheet moves along with the deformation of the aluminum sheet during stamping, the stretching and shearing action of the aluminum sheet during stamping is reduced, the thickness of the formed corrugated radiating fins is more uniform, and compared with a bending process, the processing efficiency is higher;
when different adjusting plates are arranged on the fixed block, the sliding strokes of the rotating column between the third rotating block and the fourth rotating block are different, so that the time for the abutting block to start extruding the edge of the aluminum sheet when the stamping seat moves downwards is adjusted;
when the punching press seat moves down, the butt joint block slides towards the punching press notch along with the punching press seat, the driving block is driven to slide in the driving groove, until the driving block contacts with the first piston block and pushes the first piston block to enter the first piston sleeve, so that hydraulic oil in the first piston sleeve is pressed into the second piston sleeve through the oil pressure pipe, the second piston block is moved up, the pushing head is driven to eject, and the aluminum sheet is upwards pushed and pressed by the pushing head when being extruded by the butt joint block, so that an upward wave-shaped bulge is formed.
Drawings
Fig. 1 is a schematic structural view of a corrugated fin.
Fig. 2 is a schematic structural diagram of the embodiment.
Fig. 3 is a schematic structural diagram of the first driving part.
Fig. 4 is a schematic structural view of the fixing block.
Fig. 5 is a schematic structural view of the first rotating block.
Fig. 6 is a schematic view of the structure of the adjustment plate.
Fig. 7 is a schematic structural view of a third rotating block.
Reference numerals: 1. a press body; 11. a work table; 2. a hydraulic cylinder; 3. punching a seat; 31. punching a head; 32. an adjustment hole; 4. a mounting seat; 41. punching a notch; 42. jacking the groove; 421. a pressing head is pressed; 43. a butting block; 431. a compaction groove; 5. a first driving section; 51. a fixed block; 511. connecting blocks; 512. fastening a bolt; 513. mounting grooves; 514. mounting a plate; 5141. a first mounting bolt; 5142. a first rotating block; 5143. a second turning block; 5144. a first rotating arc groove; 5145. a second rotating arc groove; 515. an adjusting plate; 5151. a second mounting bolt; 5152. a third turning block; 5153. a fourth turning block; 5154. a third rotating arc groove; 5155. a fourth rotating arc groove; 52. a transmission rod; 521. rotating the column; 6. a second driving section; 61. a drive slot; 62. a drive block; 63. a first piston sleeve; 631. a first piston block; 64. a second piston sleeve; 641. a second piston block; 65. an oil pressure pipe.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1:
referring to fig. 2, the stamping apparatus for a corrugated heat sink disclosed by the present invention includes a stamping press body 1, a hydraulic cylinder 2 disposed on the stamping press body 1, a stamping seat 3 disposed in the stamping press body 1, a mounting seat 4 disposed on a lower side of the hydraulic cylinder 2, a first driving portion 5 disposed between the mounting seat 4 and the stamping seat 3, and a second driving portion 6 disposed in the mounting seat 4. The vertical section of the press body 1 is U-shaped, and both ends of the press body 1 horizontally face the same direction, and in addition, the inner bottom surface of the press body 1 is the table surface 11. The pneumatic cylinder 2 is current large-scale hydraulic equipment, and the last fixed surface of pneumatic cylinder 2 and punching machine organism 1, and the top surface in the punching machine organism 1 is worn out to the piston rod tip of pneumatic cylinder 2 runs through punching machine organism 1 upper surface. The punching seat 3 is rectangular block-shaped and is arranged on the lower side of the hydraulic cylinder 2, and the upper surface of the punching seat 3 is fixed with the end part of the piston rod of the hydraulic cylinder 2. The mounting seat 4 is a rectangular seat structure, the bottom surface of the mounting seat is fixed with the working table 11, and the mounting seat 4 is arranged at the lower side of the stamping seat 3.
Referring to fig. 2, a stamping head 31 is disposed on the bottom surface of the stamping seat 3, the stamping head 31 is strip-shaped, the length direction thereof is horizontal, the upper surface of the stamping head 31 is fixed with the bottom surface of the stamping seat 3, and the bottom surface of the stamping head 31 is semicircular along the length direction of the stamping head 31. Stamping notch 41 has been seted up to mount pad 4 upper surface, and the opening of stamping notch 41 is the rectangle, and its length direction is unanimous with the length direction of punching press head 31, and the horizontal projection of punching press head 31 falls into stamping notch 41 completely in, and in addition, the interior bottom surface of stamping notch 41 is half circular arc along its self length direction's cross-section. When the aluminum sheet is arranged on the mounting seat 4, the aluminum sheet is arranged on the punching notch 41, and at the moment, the hydraulic cylinder 2 is started and pushes the punching seat 3 to move downwards, so that the punching head 31 is pressed into the punching notch 41, and a downward wave-shaped bulge is formed on the aluminum sheet. Referring to fig. 3, the mounting base is further provided with a pressing portion, the pressing portion includes a pressing groove 42 and a pressing head 421 disposed in the pressing groove 42, an opening of the pressing groove 42 is rectangular, two ends of the pressing groove are flush with two ends of the stamping notch 41, the pressing groove 42 is provided with two pressing grooves, and the two pressing grooves 42 are disposed on two sides of the stamping notch 41. Still be equipped with butt piece 43 on mount pad 4, butt piece 43 is bar massive, the length direction of butt piece 43 is unanimous with the length direction of punching press notch 41, and the bottom surface of butt piece 43 has been seted up and has been compressed tightly the groove 431, the length direction that compresses tightly the groove 431 is unanimous with the length direction of butt piece 43, the cross-section that compresses tightly the groove 431 is the rectangle, compress tightly the groove 431 and run through butt piece 43 both ends, and compress tightly the lateral wall intercommunication that groove 431 and butt piece 43 are close to punching press notch 41, thereby make the cross-section of butt piece 43 be the L shape. The two abutting blocks 43 are provided, and the two abutting blocks 43 are respectively arranged on two sides of the punching notch 41. When the aluminum sheet is disposed on the mounting seat 4, the inner side wall of the pressing groove 431 abuts against the two side edges of the aluminum sheet, and the inner top surface of the pressing groove 431 abuts against the upper surface of the aluminum sheet. The bottom surface of the abutting block 43 is slidably connected to the upper surface of the mounting base 4, and the sliding direction of the abutting block 43 is horizontal and vertical to the longitudinal direction of the abutting block 43.
Referring to fig. 2, two sets of the first driving portions 5 are provided, and the two sets of the first driving portions 5 are respectively provided on both sides of the punching notch 41. Referring to fig. 3, the first driving portion 5 includes a fixing block 51 and a transmission rod 52, the fixing block 51 is rectangular block-shaped, the length direction of the fixing block 51 is horizontal and is consistent with the sliding direction of the abutting block 43, the upper surface of the fixing block 51 is attached to the bottom surface of the stamping seat 3, the fixing block 51 is provided with a connecting block 511, the connecting blocks 511 are arranged at two ends of the fixing block 51 and fixed to the end surfaces of the two ends of the fixing block 51, and the upper surface of the connecting block 511 is attached to the bottom surface of the stamping seat. The bottom surface of the punching seat 3 is provided with an adjusting hole 32, the opening of the adjusting hole 32 is circular, the adjusting hole 32 is provided with a plurality of positions, and the plurality of positions of the adjusting hole 32 are uniformly arranged along the moving direction of the butt block 43. Be equipped with fastening bolt 512 on connecting block 511, the vertical upward through connection piece 511 of fastening bolt 512 tip and penetrate in the regulation hole 32 of connecting block 511 department, and fastening bolt 512 and the regulation hole 32 inner wall screw-thread fit, when fastening bolt 512 screwed, fixed block 51 is fixed with punching press seat 3, and the setting of many places regulation hole 32 for the fixed position of fixed block 51 gets to adjust along the moving direction of butt piece 43. The transmission rod 52 is a rod-shaped structure with a rectangular cross section, and is obliquely arranged between the fixed block 51 and the abutting block 43, the upper end of the transmission rod 52 is arranged on one side of the lower end of the transmission rod 52 far away from the punching notch 41, the lower end of the transmission rod 52 is hinged with the upper surface of the abutting block 43, and in addition, the rotation axes of the transmission rod 52 and the abutting block 43 are parallel to the length direction of the abutting block 43. Mounting groove 513 has been seted up to fixed block 51 the lateral wall that is on a parallel with its self length direction, and mounting groove 513 is the bar groove, and its opening is the rectangle, and mounting groove 513 runs through fixed block 51, and the length direction of mounting groove 513 is unanimous with fixed block 51's length direction. The side wall of the transmission rod 52 close to the fixed block 51 is fixed with a rotating column 521, the rotating column 521 is a cylindrical structure, the axis of the rotating column 521 is horizontal, one end of the rotating column 521 is fixed with the transmission rod 52, and the other end penetrates into the mounting groove 513. As shown in fig. 4, an installation plate 514 is disposed on a side of the fixing block 51 away from the transmission rod 52, the installation plate 514 is rectangular plate-shaped, and a plate surface of one side of the installation plate 514 coincides with and is attached to a side wall of the fixing block 51 away from the transmission rod 52. Be equipped with first mounting bolt 5141 on the mounting panel 514, in first mounting bolt 5141 tip level run through mounting panel 514 and penetrated fixed block 51 lateral wall, and first mounting bolt 5141 and fixed block 51 screw-thread fit, when first mounting bolt 5141 screwed, mounting panel 514 is fixed with the fixed plate. The side wall of the mounting plate 514 close to the fixed block 51 is fixed with a first rotating block 5142 and a second rotating block 5143, as shown in fig. 5, the first rotating block 5142 and the second rotating block 5143 are both embedded into the mounting groove 513 and are respectively arranged at two sides of the rotating column 521, the side wall of the first rotating block 5142 close to the rotating column 521 is provided with a first rotating arc groove 5144, the first rotating arc groove 5144 is semicircular, and the first rotating arc groove 5144 is attached to and matched with the cylindrical surface of the rotating column 521 in a sliding manner. The side wall of the second rotating block 5143 close to the rotating column 521 is provided with a second rotating arc groove 5145, the second rotating arc groove 5145 is semicircular, and the second rotating arc groove 5145 is engaged with and matched with the cylindrical surface of the rotating column 521 in a sliding manner, so that the upper end of the transmission rod 52 is rotatably connected with the fixed block 51. When the hydraulic cylinder 2 is started, the punching seat 3 moves downwards to drive the fixing block 51 to move downwards, so that the upper end of the transmission rod 52 is driven to move downwards, the lower end of the transmission rod 52 drives the abutting block 43 to slide on the mounting seat 4, and the pushing and extruding effects on the aluminum sheet can be completed without an additional driving source.
Referring to fig. 2, two sets of the second driving portions 6 are provided, and the two sets of the second driving portions 6 are respectively provided on both sides of the punching notch 41. As shown in fig. 3, the second driving unit 6 includes a driving groove 61, a driving block 62, a first piston sleeve 63, a second piston sleeve 64, and a hydraulic pipe 65, the driving groove 61 is opened on the upper surface of the mounting seat 4, an opening of the driving groove 61 is rectangular, and a longitudinal direction of the driving groove 61 coincides with a moving direction of the abutment block 43. The driving block 62 is rectangular block-shaped, the driving block 62 is arranged in the driving groove 61 and is in sliding fit with the inner wall of the driving groove 61, the upper surface of the driving block 62 is fixed with the bottom surface of the abutting block 43, and the sliding direction of the driving block 62 is consistent with the sliding direction of the abutting block 43. The first piston sleeve 63 is a sleeve-shaped structure with a circular opening, the first piston sleeve 63 is disposed in the driving groove 61 and located on one side of the driving block 62 close to the punching notch 41, the opening of the first piston sleeve 63 faces the driving block 62, and the closed end of the first piston sleeve 63 is fixed to the inner side wall of one end of the driving groove 61 close to the punching notch 41. A first piston block 631 is arranged in the first piston sleeve 63, the first piston block 631 is cylindrical, the axis of the first piston block 631 coincides with the axis of the first piston sleeve 63, the cylindrical surface of the first piston block 631 is slidably connected with the arc-shaped inner wall of the first piston sleeve 63 and is movably sealed, and one end of the first piston block 631 penetrates through the opening of the first piston sleeve 63. The second piston sleeve 64 is arranged in the top pressing groove 42, the structure of the second piston sleeve 64 is consistent with that of the first piston sleeve 63, the opening of the second piston sleeve 64 faces upwards, and the bottom surface of the second piston sleeve 64 is fixed with the inner bottom surface of the top pressing groove 42. The top pressing head 421 is strip-shaped, the length direction of the top pressing head is consistent with the length direction of the opening of the top pressing groove 42, the peripheral side walls of the top pressing head 421 are respectively matched with the peripheral inner side walls of the top pressing groove 42 in a sliding mode, and the section, perpendicular to the length direction of the top pressing head 421, of the upper surface of the top pressing head 421 is arc-shaped. A second piston block 641 is arranged in the second piston sleeve 64, the second piston block 641 is cylindrical, the axis of the second piston block 641 coincides with the axis of the second piston sleeve 64, the cylindrical surface of the second piston block 641 is slidably fitted with the inner side wall of the second piston sleeve 64 and is movably sealed, and the upper end surface of the second piston block 641 is fixed with the bottom surface of the top press head 421. The oil pressure pipe 65 is a steel pipe with a circular cross section, and is embedded in the mounting seat 4, one end of the oil pressure pipe 65 penetrates through the inner side wall of the driving groove 61 and the circular outer end face of the first piston sleeve 63 and is communicated with the inside of the first piston sleeve 63, the other end of the oil pressure pipe 65 vertically penetrates through the inner bottom face of the jacking groove 42 and the bottom face of the second piston sleeve 64 and is communicated with the inner bottom face of the second piston sleeve 64, and the oil pressure pipe 65, the first piston sleeve 63 and the second piston sleeve 64 are filled with hydraulic oil.
The implementation principle of the embodiment is as follows: when the aluminum sheet is horizontally placed on the mounting seat 4, the abutting blocks 43 are disposed on two sides of the aluminum sheet, so that two side edges of the aluminum sheet are respectively inserted into the pressing grooves 431 of the abutting blocks 43, then the hydraulic cylinder 2 is started to drive the pressing seat 3 to move downwards, so that the pressing head 31 is gradually inserted into the pressing notch 41, so that a downward wave-shaped protrusion is formed on the aluminum sheet, meanwhile, the pressing seat 3 moves downwards to drive the fixing block 51 to move downwards, so as to drive the upper end of the transmission rod 52 to move downwards, so that the lower end of the transmission rod 52 drives the abutting blocks 43 to move towards the pressing notch 41, and the abutting blocks 43 drive the driving block 62 to slide in the driving groove 61, until the driving block 62 contacts the first piston block and pushes the first piston block 631 to enter the first piston sleeve 63, so that the hydraulic oil in the first piston sleeve 63 is pressed into the second piston sleeve 64 through the oil pressure pipe 65, so as to move the second, the jacking head 421 is driven to eject out, so that the aluminum sheet is jacked upwards by the jacking head 421 while being squeezed by the abutting block, and an upward wave-shaped bulge is formed to drive the jacking head 421 to eject upwards, so that two upward wave-shaped bulges are formed on two sides of the wave-shaped bulge, and the wave-shaped heat sink is processed; in the process, the middle of the aluminum sheet is bent and deformed towards the inside of the stamping notch 41, and two sides of the aluminum sheet move towards the stamping notch 41 under the extrusion of the abutting block 43 until the other two upward wave-shaped protrusions are formed when the jacking head 421 is ejected, so that the aluminum sheet has movement along with the deformation of the aluminum sheet when being stamped, the stretching and shearing action of the aluminum sheet when being stamped is reduced, the thickness of the formed wave-shaped radiating fins is more uniform, and compared with the bending process, the processing efficiency is higher.
Example 2:
referring to fig. 6, the difference between this embodiment and embodiment 1 is that the mounting plate 514 outside the fixing seat is replaced by an adjusting plate 515, the adjusting plate 515 is disposed on a side of the fixing block 51 away from the transmission rod 52, a plate surface of the adjusting plate 515 close to the transmission rod 52 is overlapped and abutted with a side wall of the fixing block 51 away from the transmission rod 52, a second mounting bolt 5151 is disposed on the adjusting plate 515, an end portion of the second mounting bolt 5151 horizontally penetrates through the plate surface of the adjusting plate 515 and penetrates into a side wall of the fixing block 51 close to the adjusting plate 515, the second mounting bolt 5151 is in threaded fit with the fixing block 51, and when the second mounting bolt 5151 is screwed, the. As shown in fig. 7, a third rotating block 5152 and a fourth rotating block 5153 are fixed on the plate surface of the adjusting plate 515 close to the fixed block 51, the third rotating block 5152 and the fourth rotating block 5153 are both embedded into the mounting groove 513 and respectively located on both sides of the rotating column 521, a third rotating arc groove 5154 having a structure identical to that of the first rotating arc groove 5144 is formed on the side wall of the third rotating block 5152 close to the rotating column 521, a fourth rotating arc groove 5155 is formed on the side wall of the fourth rotating block 5153 close to the rotating column 521, and the structure of the fourth rotating arc groove 5155 is identical to that of the second rotating arc groove 5145. The axis of the third rotating arc groove 5154 and the axis of the fourth rotating arc groove 5155 are both located on the same horizontal plane as the axis of the rotating column 521, and the axis of the third rotating groove and the axis of the fourth rotating groove are located on both sides of the rotating column 521, so that the rotating column 521 on the transmission rod 52 can slide between the third rotating arc groove 5154 and the fourth rotating arc groove 5155.
When the pressing seat 3 moves downwards, the rotating column 521 slides from the fourth rotating arc groove 5155 to the third rotating arc groove 5154, at this time, the abutting block 43 has no squeezing effect on the aluminum sheet, and when the rotating column 521 slides to the third rotating arc groove 5154, the transmission rod 52 drives the abutting block 43 to move, so that the aluminum sheet forms an upward wave-shaped protrusion under the combined action of the top pressure head 421 and the abutting block 43. In addition, the adjusting plates 515 are provided in plurality, and the distance between the axis of the third rotating arc groove 5154 and the axis of the fourth rotating arc groove 5155 on the adjusting plates 515 is different, so that the sliding stroke of the rotating column 521 in the mounting groove 513 is adjusted, and the time from the time when the pressing seat 3 moves downwards to the time when the abutting block 43 starts to press the edge of the aluminum sheet is adjusted.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (7)
1. The utility model provides a stamping equipment of wave form fin, includes punching machine organism (1) and is fixed in pneumatic cylinder (2) on punching machine organism (1), the tip of pneumatic cylinder (2) is vertical down and be fixed with punching press seat (3), be equipped with table surface (11), its characterized in that on punching machine organism (1): an installation seat (4) for fixing an aluminum sheet is fixed on the working table top (11), and a punching head (31) with a circular arc-shaped bottom surface is fixed on the bottom surface of the punching seat (3); the upper surface of the mounting seat (4) is provided with a punching notch (41) which is horizontally aligned with the punching head (31), and the inner bottom surface of the punching notch (41) is arc-shaped and matched with the arc-shaped bottom surface of the punching head (31); abutting blocks (43) which are in sliding connection with the upper surface of the mounting seat (4) are respectively arranged on two sides of the punching notch (41), a pressing groove (431) for pressing the edge of the aluminum sheet is formed in the bottom surface of each abutting block (43), the inner top surface of each pressing groove (431) is attached to and abutted against the upper surface of the aluminum sheet, and the inner side wall of each pressing groove (431) is abutted against the edge of the aluminum sheet; a jacking portion is arranged between the punching notch (41) and the abutting block (43), the jacking portion comprises a jacking groove (42) formed in the upper surface of the mounting seat (4) and a jacking head (421) connected in the jacking groove (42) in a sliding manner, the upper surface of the jacking head (421) is arc-shaped, and the sliding direction of the jacking head (421) is vertical; the mounting seat (4) is further provided with a first driving portion (5) used for driving the abutting block (43) to move towards the punching notch (41) and a second driving portion (6) used for driving the top pressing head (421) to move upwards.
2. The apparatus for stamping a corrugated fin as claimed in claim 1, wherein: the first driving part (5) comprises a fixed block (51) fixed on the bottom surface of the punching seat (3) and a transmission rod (52) obliquely arranged, one end of the transmission rod (52) is hinged to the fixed block (51), and the other end of the transmission rod is hinged to the top of the abutting block (43).
3. The apparatus for stamping a corrugated fin as claimed in claim 2, wherein: a mounting groove (513) is formed in the side wall, parallel to the moving direction of the abutting block (43), of the fixing block (51), and a rotating column (521) penetrating into the mounting groove (513) from one side of the fixing block (51) is fixed at the end of the transmission rod (52); a mounting plate (514) detachably connected with the fixed block (51) is fixed on one side, away from the transmission rod (52), of the fixed block (51), a first rotating block (5142) and a second rotating block (5143) embedded into the mounting groove (513) are fixed on the mounting plate (514), and the first rotating block (5142) and the second rotating block (5143) are respectively arranged on two sides of the rotating column (521); the first rotating block (5142) is provided with a first rotating arc groove (5144) which is in fit and sliding fit with the cylindrical surface of the rotating column (521), and the second rotating block (5143) is provided with a second rotating arc groove (5145) which is in fit and sliding fit with the cylindrical surface of the rotating column (521); the fixed block (51) is detachably connected with the bottom surface of the stamping seat (3).
4. The apparatus for stamping a corrugated fin as set forth in claim 3, wherein: the fixed block (51) is further provided with an adjusting plate (515), the adjusting plate (515) is fixedly provided with a third rotating block (5152) and a fourth rotating block (5153) which are embedded into the mounting groove (513), the third rotating block (5152) and the fourth rotating block (5153) are respectively arranged on two sides of the rotating column (521), the surface, close to the rotating column (521), of the third rotating block (5152) is provided with a third rotating arc groove (5154) which is consistent with the structure of the first rotating arc groove (5144), and the surface, close to the rotating column (521), of the fourth rotating block (5153) is provided with a fourth rotating arc groove (5155) which is consistent with the structure of the second rotating arc groove (5145); the axis of the third rotating arc groove (5154) and the axis of the fourth rotating arc groove (5155) are respectively arranged at two sides of the axis of the rotating column (521) and are positioned on the same horizontal plane.
5. The apparatus for stamping a corrugated fin as set forth in claim 4, wherein: the adjusting plate (515) is provided with a plurality of adjusting plates, and the distance between the axis of the third rotating arc groove (5154) and the axis of the fourth rotating arc groove (5155) on the adjusting plates (515) is different.
6. The apparatus for stamping a corrugated fin as claimed in claim 2, wherein: a plurality of adjusting holes (32) are formed in the bottom surface of the punching seat (3), and the adjusting holes (32) are uniformly arranged along the moving direction of the abutting block (43); be fixed with on fixed block (51) with connecting block (511) that stamping seat (3) bottom surface laminating set up, be equipped with fastening bolt (512) on connecting block (511), the vertical up through connection piece (511) of fastening bolt (512) tip penetrates connecting block (511) position in the regulation hole (32), fastening bolt (512) with regulation hole (32) inner wall screw-thread fit.
7. The apparatus for stamping a corrugated fin as claimed in claim 2, wherein: the second driving part (6) comprises a driving groove (61) arranged on the upper surface of the mounting seat (4), a driving block (62) which is connected in the driving groove (61) in a sliding manner and is fixed with the bottom surface of the abutting block (43), a first piston sleeve (63) fixed in the driving groove (61), a second piston sleeve (64) fixed in the jacking groove (42) and an oil pressure pipe (65) embedded in the mounting seat (4); the first piston sleeve (63) is arranged at one end, close to the jacking groove (42), of the driving groove (61), the opening of the first piston sleeve (63) faces the driving block (62), a first piston block (631) movably sealed with the inner wall of the first piston sleeve (63) is connected in the first piston sleeve (63) in a sliding mode, and the side wall, close to the driving block (62), of the first piston block (631) protrudes out of the opening of the first piston sleeve (63); the second piston sleeve (64) is arranged at the bottom of the jacking groove (42), the opening of the second piston sleeve (64) is arranged upwards, a second piston block (641) movably sealed with the inner wall of the second piston sleeve (64) is connected in the second piston sleeve (64) in a sliding mode, and the upper surface of the second piston block (641) is fixed with the bottom surface of the jacking head (421); two ends of the oil pressure pipe (65) are respectively communicated with the first piston sleeve (63) and the second piston sleeve (64), and the first piston sleeve (63), the oil pressure pipe (65) and the second piston sleeve (64) are filled with hydraulic oil.
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| CN202010448972.2A CN111589918B (en) | 2020-05-25 | 2020-05-25 | Stamping equipment of wave-shaped radiating fin |
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| CN202010448972.2A CN111589918B (en) | 2020-05-25 | 2020-05-25 | Stamping equipment of wave-shaped radiating fin |
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| CN113083973A (en) * | 2021-02-07 | 2021-07-09 | 中铁四局集团有限公司 | Forming method of stainless steel composite wave folded plate |
| CN117181943A (en) * | 2023-11-06 | 2023-12-08 | 新乡市华正散热器有限公司 | General bending machine for radiator core side plate |
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