CN117380839A - Hemming stamping device and stamping method for metal barrel cover - Google Patents
Hemming stamping device and stamping method for metal barrel cover Download PDFInfo
- Publication number
- CN117380839A CN117380839A CN202311684663.5A CN202311684663A CN117380839A CN 117380839 A CN117380839 A CN 117380839A CN 202311684663 A CN202311684663 A CN 202311684663A CN 117380839 A CN117380839 A CN 117380839A
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- China
- Prior art keywords
- plate
- positioning
- barrel cover
- groove
- hemming
- Prior art date
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- 238000009957 hemming Methods 0.000 title claims abstract description 78
- 239000002184 metal Substances 0.000 title claims abstract description 59
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims description 14
- 238000003825 pressing Methods 0.000 claims abstract description 87
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 238000007789 sealing Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 12
- 238000005096 rolling process Methods 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000004080 punching Methods 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000004826 seaming Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
-
- 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
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/02—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge
- B21D19/04—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge shaped as rollers
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/04—Movable or exchangeable mountings for tools
-
- 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
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/38—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures
- B21D51/44—Making closures, e.g. caps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses a metal barrel cover hemming and stamping device which comprises a stamping mechanism and a hemming mechanism, wherein the hemming mechanism is arranged at the top of the stamping mechanism, the stamping mechanism comprises a base plate, a lower pressing plate is arranged right above the base plate, an upper die is arranged at the center of the bottom of the lower pressing plate, a lower die which is opposite to the upper die is arranged at the center of the top of the base plate, and hydraulic cylinders are fixedly arranged at the tops of two ends of the base plate along the length direction of the base plate. The invention avoids the situation that the barrel cover plate between the inner groove and the outer ring is pulled, correspondingly improves the strength of the barrel cover after stamping, the assembly groove formed at the bottom of the fixed round block and the adjusting sleeve in the assembly groove can adjust the initial position of the external pressing die, can realize stamping operation with different depths on the barrel cover plate, can realize the lifting of the edge pressing roller and the hemispherical block, can realize flanging of the edge of the barrel cover plate, and can adjust the distance between the edge pressing roller and the upper die by the adjusting piece.
Description
Technical Field
The invention relates to the technical field of metal barrel cover processing, in particular to a metal barrel cover hemming stamping device and a stamping method.
Background
The metal barrel is a container which is often used for containing articles, is mainly used for containing liquid articles, and is formed by split processing of barrel covers of barrels in order to facilitate filling and subsequent pouring of the liquid articles in the earlier stage.
In the conventional metal barrel cover processing process, in order to ensure the attractive appearance and strength, the middle part of the barrel cover is generally subjected to stamping forming, the metal barrel cover is also required to be connected with an annular metal iron sheet after being stamped, the outer side of the barrel cover after stamping is required to be curled before the connecting process, the curled barrel cover is easy to assemble with the annular iron sheet, and the inner side of the annular iron sheet is processed after assembling, so that the final metal barrel cover is obtained. It is not difficult to find that the stamping and curling of the existing metal barrel cover are generally performed respectively, in fact, the barrel cover is very stable due to extrusion of the upper die and the lower die when stamping, and a very stable state is required when the barrel cover is curled, so that the upper die and the lower die can be combined actually, meanwhile, when the barrel cover is stamped and molded, the inner ring and the outer ring are always molded simultaneously, and the part between the inner ring and the outer ring can be stretched by the dies when being molded, so that the final strength of the part is weakened.
For the problems in the related art, no effective solution has been proposed at present.
Disclosure of Invention
The invention aims to provide a metal barrel cover hemming stamping device and a stamping method, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a metal bung turn-up stamping device, includes stamping mechanism and turn-up mechanism, the top of stamping mechanism is located to the turn-up mechanism, stamping mechanism includes the bed plate, is equipped with the holding down plate directly over the bed plate, the bottom center of holding down plate installs the bed plate that just sets up the bed plate, the top center of the top of bed plate installs the bed plate to the setting of bed plate, the both ends top fixed mounting that the bed plate set up along its length direction has the pneumatic cylinder, the top four corners fixed mounting of bed plate has the spacer sleeve, slidable mounting has the gag lever post, the top tip fixed mounting of gag lever post is on the holding down plate, the bottom of turn-up mechanism passes the holding down plate and overlaps the outside of locating the bed plate, the top center fixed mounting of bed plate has the lower mount pad, the bottom center of the top of bed plate has seted up the inner race on the lower mount pad, the top of the lower die is also provided with an outer ring groove which is concentric with the inner core groove, the lower pressing plate is provided with an arc hole, the two ends of the lower pressing plate which are arranged along the length direction of the lower pressing plate are also provided with mounting holes, the end parts of the output shaft of the hydraulic cylinder are fixedly arranged in the mounting holes, the top of the lower pressing plate is provided with rolling grooves along the center symmetry, the center of the bottom of the lower pressing plate is fixedly provided with an upper mounting seat, the upper die comprises a fixed circular block which is fixedly arranged at the bottom of the upper mounting seat, the outer side of the bottom of the fixed circular block is fixedly provided with an outer pressing die, the center of the bottom of the fixed circular block is provided with an inner pressing die, the outer side of the bottom of the outer pressing die is provided with an outer pressing edge, the center of the outer pressing die is integrally provided with a convex ring, the center of the fixed circular block is provided with an assembly hole, the inner pressing die comprises a positioning sleeve which is fixedly arranged in the assembly hole, the inner pressing block is arranged in the bottom end of the positioning sleeve, the top end part of the inner pressing block is fixedly provided with a jacking spring, the top end part of the jacking spring is provided with a jacking sealing plate, and the distance between the inner pressing block and the inner core groove is smaller than the distance between the protruding ring and the outer ring groove.
Further, guide blocks are fixedly installed at the top of the outer side wall of the inner pressing block, guide grooves are formed in the inner side wall of the positioning sleeve, a spring seat is fixedly installed at the center of the bottom of the top sealing plate, an upper mounting groove is formed in the bottom of the spring seat, a lower mounting groove is formed in the top of the inner pressing block, two ends of the top tightening spring are fixedly installed in the upper mounting groove and the lower mounting groove respectively, an annular baffle is fixedly installed at the bottom end part of the positioning sleeve, the inner diameter of the annular baffle is smaller than the inner diameter of the positioning sleeve, a containing groove is formed in the center of the top of the fixed round block, a fixing groove is formed in the side of the top sealing plate, and a positioning groove is formed in the outer side wall of the positioning sleeve.
Further, the assembly groove that the annular set up has been seted up to the bottom of fixed circle piece, the internally mounted of assembly groove has the adjustment sleeve, outer moulding-die fixed mounting is in the bottom of adjustment sleeve, the spacing hole has been seted up on the lateral wall of adjustment sleeve, the bottom center of fixed circle piece is integrative to be provided with the location bulge loop, the first opening groove has been seted up on the lateral wall of fixed circle piece, first opening groove internally mounted has the first setting element that is used for carrying out the location to the adjustment sleeve, the second opening groove has been seted up on the lateral wall of location bulge loop, the inside fixed mounting in second opening groove has the second setting element that is used for carrying out the location to the adjustment sleeve, the jack has been seted up on the inside wall that the assembly groove is close to the location bulge loop, the jack is just to the setting of second opening groove.
Further, first setting element includes fixed cover and locating cap, fixed cover fixed mounting is in first opening inslot, fixed cover is inside to run through and is equipped with first locating lever, the one end tip that fixed cover was kept away from to first locating lever passes spacing hole and locates in the jack, the external screw thread has been seted up on the lateral wall of fixed cover, the internal thread has been seted up on the inside wall of locating cap, locating cap fixed mounting is outside fixed cover, the second setting element includes the second locating lever, the inner wall that the second opening inslot was passed to the one end of second locating lever and is inserted in the constant head tank, the inside still fixed mounting in second opening inslot has the holding ring, the ring channel has been seted up to the one end tip that the holding tank was kept away from to the second locating lever, the holding ring card is located in the holding ring.
Further, turn-up mechanism includes lifting unit, lifting unit fixed mounting at the top of holding down plate, and lifting unit's bottom fixed mounting has the link, and the bottom of link passes the arc hole setting on the holding down plate, and the bottom tip fixed mounting of link has the turn-up subassembly, the turn-up subassembly includes the regulating part of fixed mounting at link bottom tip, the bottom fixed mounting of regulating part has the turn-ups piece, the regulating part includes the fixed ring board, fixed ring board fixed mounting is at the bottom tip of link, the bottom of fixed ring board is equipped with the regulation ring board with the axle center slip, just be connected through the connecting piece between fixed ring board and the regulation ring board, the outside of fixed ring board still is connected through the extensible member with the outside of regulation ring board, turn-ups piece fixed mounting is in the bottom of connecting piece.
Further, fixed ring plate's bottom outside fixed mounting has the guiding axle, fixed ring plate's bottom inboard fixed mounting has first articulated shaft, set up the guiding hole that sets up along its axle center on the regulation ring plate, still set up the first articulated hole that is located guiding hole tip one side on the regulation ring plate, the connecting piece includes the arc pole, the one end of arc pole articulates there is the connecting rod, the second articulated hole has been seted up to the one end tip that the arc pole was kept away from to the connecting rod, the second articulated shaft is installed to the one end that the connecting rod was kept away from to the arc pole, the second articulated shaft is installed in first articulated hole, first articulated shaft is installed in the second articulated hole, the fixed orifices has been seted up at the one end face middle part that the regulation ring plate was kept away from to the arc pole.
Further, fixed mounting has first connecting block on the lateral wall of fixed ring board, fixed mounting has the second connecting block on the lateral wall of adjusting ring board, the extensible member includes the telescopic link, the both ends of telescopic link are connected with the erection column through the universal joint respectively, two erection column fixed mounting respectively on first connecting block and second connecting block, the turn-ups piece includes fixed mounting at the inside fixed column of fixed orifices, the bottom tip of fixed column rotates installs the set square, the corner fixed mounting of set square has the installation axle, the bottom tip of installation axle rotates installs the blank holder roller, the bottom tip of blank holder roller is integrative to be provided with the hemisphere piece.
Further, lifting assembly is including locating the roof directly over the holding down plate, the bottom four corners of roof is through support column fixed mounting on the holding down plate, servo motor is installed at the top of roof, servo motor's output shaft passes the roof and fixed mounting has the cylinder, the bottom of cylinder is equipped with the telescopic shaft, the link includes the lifter plate, the fixed connection of telescopic shaft and lifter plate, the bottom fixed mounting of lifter plate has the montant, just fixed ring plate fixed mounting is in the bottom tip of montant.
Further, the guide hole is formed in the lifting plate, the guide rod is fixedly installed on the outer side of the bottom of the air cylinder, the bottom end portion of the guide rod penetrates through the guide hole and is fixedly provided with the stop block, extension blocks are fixedly installed at two ends of the bottom of the air cylinder, a support rod is fixedly installed at one end bottom of the extension blocks, far away from the air cylinder, of the extension blocks, the bottom end portion of the support rod is rotatably provided with the roller, and the roller is arranged in the rolling groove at the top of the lower pressing plate in a rolling mode.
The stamping method of the metal barrel cover hemming stamping device mainly comprises the following steps:
s1, adjusting an upper die: adjusting the initial positions of the outer pressing die and the inner pressing die according to the depth of the barrel cover plate required to be punched and formed;
S2, feeding: feeding the barrel cover plate raw material plate into a stamping mechanism;
s3, stamping: starting a hydraulic cylinder, and stamping the barrel cover plate;
s4, hemming: after the barrel cover plate is stamped, the cylinder is started, the hemispherical block is enabled to turn over the edge side of the barrel cover plate, the servo motor is started to rotate the edge pressing roller, and the edge of the barrel cover plate after turning over is flattened.
Compared with the prior art, the invention has the following beneficial effects:
when the lower pressing plate drives the upper die to move towards the lower die, the inner pressing block firstly contacts with the barrel cover plate and performs stamping forming on the center of the barrel cover plate, at the moment, the lower pressing plate continuously moves downwards, the jacking spring continuously contracts until the bulge loop performs stamping forming on the outer side of the barrel cover plate, so that the inner groove and the outer ring on the barrel cover plate can be formed successively by stamping.
According to the invention, the edge roller and the hemispherical block can be lifted, the flanging of the edge of the barrel cover plate can be realized, when the edge roller moves to a proper position, the servo motor can be started, the edge roller can roll on the edge of the barrel cover plate, the whole barrel cover plate is flanging and flattening, the distance between the edge roller and the upper die can be adjusted by the adjusting piece, the barrel cover plate after being stamped by different dies can be curled, and the buffer surface formed by the hemispherical block can reduce the damage to the curled edge of the barrel cover plate.
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 embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a metal can lid hemming and stamping device according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a stamping mechanism in a metal can lid hemming stamping device according to an embodiment of the present invention;
Fig. 3 is a schematic view showing an installation structure of an upper die in a metal can lid hemming and stamping device according to an embodiment of the present invention;
fig. 4 is a schematic view of an installation structure of a lower die in a metal can lid hemming and stamping device according to an embodiment of the present invention;
FIG. 5 is a schematic view showing the bottom structure of a lower platen in a metal can lid hemming press apparatus according to an embodiment of the present invention;
FIG. 6 is a schematic top view of a lower platen in a metal can lid hemming stamping device according to an embodiment of the present invention;
fig. 7 is a schematic structural view of an upper die in a metal can lid hemming and stamping device according to an embodiment of the present invention;
fig. 8 is a schematic top structure of an upper die in a metal can lid hemming and stamping device according to an embodiment of the present invention;
fig. 9 is a schematic structural view of an outer die in a metal can lid hemming stamping device according to an embodiment of the present invention;
fig. 10 is a schematic view of the structure of an inner die in a metal can lid hemming stamping device according to an embodiment of the present invention;
fig. 11 is a schematic view showing an internal structure of an inner die in a metal can lid hemming press apparatus according to an embodiment of the present invention;
FIG. 12 is a schematic view of the bottom structure of a top closure plate in a metal can lid hemming stamping device according to an embodiment of the present invention;
Fig. 13 is a schematic structural view of a stop collar in a metal can lid hemming and stamping device according to an embodiment of the present invention;
fig. 14 is a schematic structural view of a fixed round block in a metal can lid hemming and stamping device according to an embodiment of the present invention;
fig. 15 is a schematic view showing the bottom structure of a fixed round block in a metal can lid hemming and stamping device according to an embodiment of the present invention;
FIG. 16 is a schematic view of the structure of an adjusting ring in a metal can lid hemming stamping device according to an embodiment of the present invention;
fig. 17 is a schematic view showing an internal structure of a fixed round block in a metal can lid hemming and stamping device according to an embodiment of the present invention;
FIG. 18 is a schematic view showing the internal bottom view of a stationary knob in a metal can lid hemming stamping device according to an embodiment of the present invention;
fig. 19 is a schematic structural view of a first positioning member in a metal can lid hemming and stamping device according to an embodiment of the present invention;
fig. 20 is a schematic structural view of a second positioning member in a metal can lid hemming and stamping device according to an embodiment of the present invention;
FIG. 21 is a schematic view of a positioning ring in a metal can lid hemming stamping device according to an embodiment of the present invention;
fig. 22 is a schematic structural view of a hemming mechanism in a metal can lid hemming press apparatus according to an embodiment of the present invention;
Fig. 23 is a schematic structural view of a seaming assembly in a metal can lid seaming press apparatus according to an embodiment of the present invention;
FIG. 24 is a schematic view showing the structure of an adjusting member in a metal can lid hemming press apparatus according to an embodiment of the present invention;
fig. 25 is a schematic structural view of a fixing ring plate in a metal can lid hemming and stamping device according to an embodiment of the present invention;
FIG. 26 is a schematic view of the structure of an adjusting ring plate in a metal can lid hemming stamping device according to an embodiment of the present invention;
FIG. 27 is a schematic view showing the structure of a connecting member in a metal can lid hemming and stamping device according to an embodiment of the present invention;
FIG. 28 is a schematic view of the structure of a telescopic member in a metal can lid hemming stamping device according to an embodiment of the present invention;
fig. 29 is a schematic view showing a structure of a burring member in a metal can lid hemming press apparatus according to an embodiment of the present invention;
FIG. 30 is a schematic view showing the structure of a lifting assembly in a metal can lid hemming stamping device according to an embodiment of the present invention;
fig. 31 is a schematic structural view of a connecting frame in a metal can lid hemming and stamping device according to an embodiment of the present invention.
Reference numerals:
1. a punching mechanism; 2. a hemming mechanism; 3. a base plate; 4. a lower pressing plate; 5. an upper die; 6. a lower die; 601. an inner core groove; 602. an outer ring groove; 7. a lower mounting seat; 8. a hydraulic cylinder; 9. a limit sleeve; 10. a limit rod; 11. an upper mounting seat; 12. a mounting hole; 13. an arc-shaped hole; 14. rolling grooves; 15. fixing the round block; 16. an outer pressing mold; 17. an inner pressing mold; 18. an outer pressing edge; 19. a raised ring; 20. a positioning sleeve; 21. an inner pressing block; 22. a spring is tightly propped; 23. a top sealing plate; 24. a guide block; 25. a lower mounting groove; 26. a fixing groove; 27. a spring seat; 28. an upper mounting groove; 29. a guide groove; 30. a positioning groove; 31. an annular baffle; 32. a fitting hole; 33. a receiving groove; 34. an adjusting sleeve; 35. an assembly groove; 36. a limiting hole; 37. positioning the convex ring; 38. a first notch groove; 39. a first positioning member; 40. a second notch groove; 41. a second positioning member; 42. a jack; 43. a first positioning rod; 44. a fixed sleeve; 45. an external thread; 46. positioning caps; 47. an internal thread; 48. a second positioning rod; 49. an annular groove; 50. a positioning ring; 51. a groove; 52. a bump; 53. a lifting assembly; 54. a connecting frame; 55. a hemming assembly; 56. an adjusting member; 57. a flanging piece; 58. a fixed ring plate; 59. an adjusting ring plate; 60. a connecting piece; 61. a telescoping member; 62. a guide shaft; 63. a first hinge shaft; 64. a first connection block; 65. a guide hole; 66. a first hinge hole; 67. a second connection block; 68. an arc-shaped rod; 69. a connecting rod; 70. a second hinge hole; 71. a second hinge shaft; 72. a fixing hole; 73. a telescopic rod; 74. a universal joint; 75. a mounting column; 76. fixing the column; 77. a triangle; 78. a mounting shaft; 79. edge roller; 80. a hemispherical block; 81. a top plate; 82. a support column; 83. a servo motor; 84. a cylinder; 85. a telescopic shaft; 86. a guide rod; 87. a stop block; 88. an extension block; 89. a support rod; 90. a roller; 91. a lifting plate; 92. a guide hole; 93. and a vertical rod.
Detailed Description
The invention is further described below with reference to the accompanying drawings and detailed description:
embodiment one: referring to fig. 1-4, a metal barrel cover hemming and stamping device according to an embodiment of the invention comprises a stamping mechanism 1 and a hemming mechanism 2, wherein the hemming mechanism 2 is arranged at the top of the stamping mechanism 1, the hemming mechanism 2 is used for hemming the outer side edge of a barrel cover stamped by the stamping mechanism 1, the stamping mechanism 1 provides pressing operation for the barrel cover for the hemming mechanism 2 and is beneficial to hemming operation of the hemming mechanism 2, the stamping mechanism 1 comprises a base plate 3, a lower pressing plate 4 is arranged right above the base plate 3, an upper die 5 is arranged at the center of the bottom of the lower pressing plate 4, a lower die 6 which is opposite to the upper die 5 is arranged at the center of the top of the base plate 3, hydraulic cylinders 8 are fixedly arranged at the tops of two ends of the base plate 3 along the length direction, the output shaft ends of the hydraulic cylinders 8 are fixedly arranged on the lower pressing plate 4, limit sleeves 9 are fixedly arranged at four corners of the top of the base plate 3, limit rods 10 are fixedly arranged in the limit sleeves 9, and the top ends of the limit rods 10 are fixedly arranged on the lower pressing plate 4. The distance between the lower pressing plate 4 and the base plate 3 is adjusted through the hydraulic cylinder 8, then the distance between the upper die 5 and the lower die 6 can be changed, when a barrel cover plate is placed between the upper die 5 and the lower die 6, the barrel cover plate can be subjected to stamping forming operation, and in order to facilitate the curling operation of the barrel cover plate by the curling mechanism 2, the bottom of the curling mechanism 2 penetrates through the lower pressing plate 4 and is sleeved outside the upper die 5, the bottom center of the base plate 3 is fixedly provided with a lower mounting seat 7, the lower die 6 is fixedly mounted on the lower mounting seat 7, an inner groove 601 is formed in the top center of the lower die 6, and an outer annular groove 602 which is concentrically arranged with the inner groove 601 is formed in the top of the lower die 6.
Referring to fig. 5-6, in order to facilitate the bottom of the hemming mechanism 2 penetrating through the lower platen 4, in this embodiment, the lower platen 4 is provided with four arc holes 13, the four arc holes 13 are uniformly distributed around the central axis of the upper mold 5, the lower platen 4 is further provided with mounting holes 12 at two ends along the length direction, the output shaft end of the hydraulic cylinder 8 is fixedly mounted in the mounting holes 12, the top of the lower platen 4 is provided with rolling grooves 14 along the central symmetry, the rolling grooves 14 are disposed outside the arc holes 13, in order to facilitate the mounting of the upper mold 5, the bottom center of the lower platen 4 is fixedly mounted with an upper mounting seat 11, and the upper mold 5 is fixedly mounted at the bottom of the upper mounting seat 11.
Referring to fig. 7-14, in order to enable the upper die 5 to be matched with the lower die 6 for stable stamping, in this embodiment, the upper die 5 includes a fixed round block 15 fixedly installed at the bottom of the upper mounting seat 11, an outer die 16 is fixedly installed at the outer side of the bottom of the fixed round block 15, an inner die 17 is installed at the center of the bottom of the fixed round block 15, an outer die edge 18 is provided at the outer side of the bottom of the outer die 16, a raised ring 19 is integrally provided at the center of the outer die 16, and the raised ring 19 is disposed opposite to an outer ring groove 602 on the lower die 6.
The inner and outer rings of the conventional barrel cover are usually simultaneously punched, even though the equipment for pre-punching the inner and outer rings is adopted, the depth of the punched inner and outer rings is different, in order to ensure that the depth of the punched inner and outer rings is consistent, in this embodiment, the center of the fixed circular block 15 is provided with an assembly hole 32, the inner pressing die 17 comprises a positioning sleeve 20 fixedly installed in the assembly hole 32, the bottom end of the positioning sleeve 20 is internally provided with an inner pressing block 21, the inner pressing block 21 is arranged opposite to an inner groove 601 on the lower die 6, the top end of the inner pressing block 21 is fixedly provided with a jacking spring 22, the top end of the jacking spring 22 is provided with a top sealing plate 23, the top sealing plate 23 is fixedly installed at the top center of the fixed circular block 15, and the distance between the inner pressing block 21 and the inner groove 601 is smaller than the distance between the raised ring 19 and the outer ring groove 602. When the lower pressing plate 4 drives the upper die 5 to move towards the lower die 6, the inner pressing block 21 is firstly contacted with the barrel cover plate and performs stamping forming on the center of the barrel cover plate, at the moment, the lower pressing plate 4 continuously moves downwards, the jacking springs 22 continuously shrink until the convex rings 19 perform stamping forming on the outer side of the barrel cover plate, thus the inner groove and the outer ring on the barrel cover plate can be formed successively by stamping, the inner groove and the outer ring can be recessed downwards relative to the plane of the barrel cover plate body when being stamped, when the inner groove and the outer ring are formed simultaneously, the part between the inner groove and the outer ring is subjected to physical stretching, so that the change of the barrel cover strength is caused, the condition that the barrel cover plate of the part between the inner groove and the outer ring is pulled is avoided by adopting the stamping mode, and the strength of the barrel cover after stamping is correspondingly improved.
In order to ensure stable stamping of the inner pressing block 21, in this embodiment, the guide block 24 is fixedly installed at the top of the outer side wall of the inner pressing block 21, the guide groove 29 is formed in the inner side wall of the positioning sleeve 20, the guide block 24 is slidably arranged in the guide groove 29, the spring seat 27 is fixedly installed at the bottom center of the top sealing plate 23, the upper mounting groove 28 is formed in the bottom of the spring seat 27, the lower mounting groove 25 is formed in the top of the inner pressing block 21, two ends of the top tightening spring 22 are fixedly installed in the upper mounting groove 28 and the lower mounting groove 25 respectively, the bottom end part of the positioning sleeve 20 is fixedly provided with the annular baffle 31, the inner diameter of the annular baffle 31 is smaller than the inner diameter of the positioning sleeve 20, the annular baffle 31 can play a limiting role on the guide block 24, in order to facilitate installation of the top sealing plate 23, the holding groove 33 is formed in the top center of the fixed circular block 15, the top sealing plate 23 is arranged in the holding groove 33, the side of the top sealing plate 23 is provided with the fixing groove 26, the fixing screw is used for installing the top sealing plate 23 in the fixing groove 26, the fixing groove 26 is used for facilitating stable installation of the positioning sleeve 20 in the mounting hole 32, the positioning sleeve 20 is sequentially arranged at the bottom end part of the positioning sleeve 20, and the positioning sleeve 20 is sequentially arranged at a plurality of small distances from the bottom end part 30 to the positioning sleeve 20.
Referring to fig. 15-18, the forming depth of the inner groove and the outer ring on the barrel cover plate can be changed according to the requirements of metal barrels with different types, in order to preset the stamping depth of the inner pressing block 21 and the raised ring 19 in the device, in this embodiment, an assembly groove 35 is formed in the bottom of the fixed circular block 15, an adjusting sleeve 34 is mounted in the assembly groove 35, an outer pressing mold 16 is fixedly mounted at the bottom of the adjusting sleeve 34, a plurality of limiting holes 36 are formed in the side wall of the adjusting sleeve 34, the distance between the limiting holes 36 and the bottom of the adjusting sleeve 34 is sequentially reduced, a positioning convex ring 37 is integrally formed in the center of the bottom of the fixed circular block 15, the positioning convex ring 37 is sleeved outside the positioning sleeve 20, a first notch groove 38 is formed in the outer side wall of the fixed circular block 15, a second notch groove 40 is formed in the outer side wall of the positioning convex ring 37, and a second positioning piece 41 for positioning the positioning sleeve 20 is fixedly mounted in the second notch groove 40. The adjusting sleeve 34 is positioned by matching the limiting holes 36 through the first positioning piece 39, the position of the adjusting sleeve 34 in the assembling groove 35 can be adjusted according to the limiting holes 36 at different positions, then the initial position of the inner die 17 is indirectly adjusted, the stamping forming depth of the protruding ring 19 to the outer ring on the barrel cover plate is indirectly realized, the position of the positioning sleeve 20 in the assembling hole 32 can be adjusted through the second positioning piece 41, the pre-pressing force of the jacking spring 22 can be changed by adjusting the position of the positioning sleeve 20, the forming depth of the barrel cover plate inner groove is realized, and the stamping forming of barrel covers of different types can be greatly improved through the design. In order to further improve the stable positioning of the first positioning member 39 to the adjusting sleeve 34, an insertion hole 42 is formed in the inner side wall of the assembly groove 35, which is close to the positioning convex ring 37, and the insertion hole 42 is arranged opposite to the second opening groove 40.
Referring to fig. 19, in order to enable the first positioning member 39 to stably position the adjusting sleeve 34, in this embodiment, the first positioning member 39 includes a fixing sleeve 44 and a positioning cap 46, the fixing sleeve 44 is fixedly mounted in the first notch groove 38, a first positioning rod 43 is disposed inside the fixing sleeve 44 in a penetrating manner, an end portion of the first positioning rod 43, which is far from the fixing sleeve 44, passes through the limiting hole 36 on the adjusting sleeve 34 and is disposed in the insertion hole 42 in the assembly groove 35, an external thread 45 is disposed on an outer side wall of the fixing sleeve 44, an internal thread 47 is disposed on an inner side wall of the positioning cap 46, and the positioning cap 46 is fixedly mounted outside the fixing sleeve 44. The positioning of the adjusting sleeve 34 in the assembly groove 35 is realized through the first positioning rod 43, and meanwhile, the first positioning rod 43 is stabilized through the positioning between the positioning cap 46 and the fixing sleeve 44, so that the adjusting sleeve 34 is ensured to be sufficiently stable.
Referring to fig. 20-21, in order to enable the second positioning member 41 to stably position the positioning sleeve 20, in this embodiment, the second positioning member 41 includes a second positioning rod 48, one end of the second positioning rod 48 passes through the inner wall of the second notch groove 40 and is inserted into the positioning groove 30, a positioning ring 50 is fixedly mounted in the second notch groove 40, an annular groove 49 is provided at an end of the second positioning rod 48 away from the positioning groove 30, and the positioning ring 50 is clamped in the positioning ring 50. The second positioning rod 48 and the positioning groove 30 are assembled to position the positioning sleeve 20, and the positioning ring 50 and the annular groove 49 are arranged to fix the position of the second positioning rod 48, so that the positioning sleeve 20 is stable enough.
In order to facilitate the assembly of the positioning ring 50, in this embodiment, the positioning ring 50 is integrally formed as a semi-arc plate, one end of the positioning ring 50 is provided with a groove 51, the other end of the positioning ring 50 is provided with a bump 52, and the inner side of the positioning ring 50 can be clamped into the annular groove 49 by assembling the two positioning rings 50.
According to the scheme, when the lower pressing plate 4 drives the upper die 5 to move towards the lower die 6, the inner pressing block 21 is firstly contacted with the barrel cover plate and performs punching forming on the center of the barrel cover plate, at the moment, the lower pressing plate 4 continuously moves downwards, the jacking springs 22 continuously shrink until the bulge loop 19 performs punching forming on the outer side of the barrel cover plate, so that the inner groove and the outer ring on the barrel cover plate can be formed successively through punching.
Embodiment two: referring to fig. 22, for the first embodiment, in order to enable the hemming mechanism 2 to perform a stable hemming operation on the punched barrel cover plate in cooperation with the punching mechanism 1, in this embodiment, the hemming mechanism 2 includes a lifting assembly 53, the lifting assembly 53 is fixedly mounted on the top of the lower platen 4, a connecting frame 54 is fixedly mounted on the bottom of the lifting assembly 53, the bottom of the connecting frame 54 is disposed through the arc hole 13 on the lower platen 4, and a hemming assembly 55 is fixedly mounted on the bottom end of the connecting frame 54. The lifting component 53 drives the connecting frame 54 to lift and move, and then drives the hemming component 55 to synchronously move, so that the hemming component 55 carries out hemming operation on the outer side of the barrel cover plate.
Referring to fig. 23-28, in order to make the hemming assembly 55 perform a good hemming operation on the barrel cover, in this embodiment, the hemming assembly 55 includes an adjusting member 56 fixedly installed at a bottom end of the connecting frame 54, the adjusting member 56 is sleeved outside the upper mold 5, a flanging member 57 is fixedly installed at a bottom of the adjusting member 56, the adjusting member 56 adjusts a position of the flanging member 57 to adapt to an edge of the barrel cover, the adjusting member 56 includes a fixed ring plate 58, the fixed ring plate 58 is fixedly installed at a bottom end of the connecting frame 54, the bottom of the fixed ring plate 58 is coaxially provided with an adjusting ring plate 59 in a sliding manner, the fixed ring plate 58 is connected with the adjusting ring plate 59 through a connecting member 60, an outer side of the fixed ring plate 58 is further connected with an outer side of the adjusting ring plate 59 through a telescopic member 61, the flanging member 57 is fixedly installed at a bottom of the connecting member 60, when the position of the adjusting ring plate 59 is adjusted by the telescopic member 61 in a rotating manner relative to the position of the fixed ring plate 58, the connecting member 60 is also changed, the flanging member 60 is installed at the bottom of the connecting member 60 so as to facilitate the subsequent stamping of the barrel cover to the barrel cover by moving towards the upper mold 5 and the lower mold 6, and then the subsequent forming is performed.
In order to enable the rotation adjustment of the adjusting ring plate 59 to adjust the position of the flanging member 57 through the connecting member 60, in this embodiment, a guide shaft 62 is fixedly mounted on the outer side of the bottom of the fixed ring plate 58, a first hinge shaft 63 is fixedly mounted on the inner side of the bottom of the fixed ring plate 58, a guide hole 65 disposed along the axis of the adjusting ring plate 59 is formed in the guide hole 65, the guide shaft 62 is slidably disposed in the guide hole 65, a first hinge hole 66 located on one side of the end of the guide hole 65 is further formed in the adjusting ring plate 59, the connecting member 60 includes an arc-shaped rod 68, one end of the arc-shaped rod 68 is hinged with a connecting rod 69, one end of the connecting rod 69, far from the arc-shaped rod 68, is provided with a second hinge hole 70, one end of the arc-shaped rod 68, far from the connecting rod 69, is provided with a second hinge shaft 71, the second hinge shaft 71 is mounted in the first hinge hole 66, and the first hinge shaft 63 is mounted in the second hinge hole 70. When the adjusting ring plate 59 rotates, the second hinge shaft 71 can be driven to synchronously move through the first hinge hole 66, the second hinge shaft 71 drives the connecting rod 69 to move through the arc rod 68, one end of the connecting rod 69 away from the arc rod 68 is connected with the first hinge shaft 63 through the second hinge hole 70, therefore, the arc rod 68 rotates around the second hinge shaft 71, the stability of the arc rod 68 is ensured due to the arrangement of the connecting rod 69, the arc rod 68 is far away from the middle part of one end surface of the adjusting ring plate 59, the fixing hole 72 is formed in the middle part of one end surface of the adjusting ring plate 59, the top end part of the flanging piece 57 is fixedly arranged in the fixing hole 72, and when the arc rod 68 rotates around the second hinge shaft 71, the position of the fixing hole 72 away from the upper die 5 can be changed, so that the distance between the flanging piece 57 arranged on the fixing hole 72 and the barrel cover plate can be changed.
In order to automatically adjust the rotation between the adjusting ring plate 59 and the fixing ring plate 58, in this embodiment, a first connecting block 64 is fixedly installed on the outer side wall of the fixing ring plate 58, a second connecting block 67 is fixedly installed on the outer side wall of the adjusting ring plate 59, the telescopic member 61 comprises a telescopic rod 73, two ends of the telescopic rod 73 are respectively connected with a mounting post 75 through universal joints 74, and two mounting posts 75 are respectively fixedly installed on the first connecting block 64 and the second connecting block 67.
Referring to fig. 29, in order to enable the flanging member 57 to perform a better flanging operation on the outer side of the tub cover, in this embodiment, the flanging member 57 includes a fixing column 76 fixedly installed in the fixing hole 72, a triangle 77 is rotatably installed at a bottom end portion of the fixing column 76, an installation shaft 78 is fixedly installed at a corner of the triangle 77, a binder roller 79 is rotatably installed at a bottom end portion of the installation shaft 78, and a hemispherical block 80 is integrally provided at a bottom end portion of the binder roller 79. The height of the adjusting part 56 is indirectly adjusted through the lifting component 53, at the moment, the hemispherical block 80 can be firstly contacted with the side of the stamped barrel cover plate, the hemispherical block 80 can turn over the edge of the barrel cover plate through the continuous descending of the lifting component 53 until the edge pressing roller 79 is contacted with the edge of the barrel cover plate, at the moment, the flanging part 57 is moved along the edge of the barrel cover plate through external force, and the flanging effect can be realized.
Referring to fig. 30-31, in order to make the lifting assembly 53 stably drive the hemming assembly 55 to lift, in this embodiment, the lifting assembly 53 includes a top plate 81 disposed right above the lower platen 4, four corners of the bottom of the top plate 81 are fixedly mounted on the lower platen 4 through support columns 82, a servo motor 83 is mounted on the top of the top plate 81, an output shaft of the servo motor 83 penetrates through the top plate 81 and is fixedly mounted with a cylinder 84, a telescopic shaft 85 is disposed at the bottom of the cylinder 84, the connecting frame 54 includes a lifting plate 91, the telescopic shaft 85 is fixedly connected with the lifting plate 91, a vertical rod 93 is fixedly mounted at the bottom of the lifting plate 91, a bottom end portion of the vertical rod 93 is disposed through the arc hole 13, and a fixed ring plate 58 is fixedly mounted at a bottom end portion of the vertical rod 93. Can indirectly drive lifter plate 91 lift regulation through cylinder 84, lifter plate 91 rethread montant 93 drives fixed crown 58 and goes up and down, then finally drive the lift of blank holder 79 and hemisphere piece 80, realize the turn-ups to the bung board edge, and after blank holder 79 removes suitable position, servo motor 83 can be started, servo motor 83 can drive cylinder 84 and rotate this moment, cylinder 84 can drive lifter plate 91 through telescopic shaft 85 and rotate equally, lifter plate 91 rethread montant 93 drives fixed crown 58 synchronous rotation, can finally realize the roll of blank holder 79 at the bung board edge, carry out the turn-ups and press to the whole bung board and level and smooth.
In order to ensure stable lifting of the lifting plate 91, in this embodiment, a guide hole 92 is formed in the lifting plate 91, a guide rod 86 is fixedly mounted on the outer side of the bottom of the cylinder 84, the bottom end of the guide rod 86 is disposed through the guide hole 92, and a stop block 87 is fixedly mounted on the bottom end of the guide rod 86. In order to make the cylinder 84 more stable when being driven to rotate, in this embodiment, extension blocks 88 are fixedly installed at two ends of the bottom of the cylinder 84, a supporting rod 89 is fixedly installed at one end bottom of the extension blocks 88 away from the cylinder 84, a roller 90 is rotatably installed at the bottom end of the supporting rod 89, and the roller 90 is arranged in the rolling groove 14 at the top of the lower pressing plate 4 in a rolling manner.
Through the scheme of the invention, the edge roller 79 and the hemispherical block 80 can be lifted, the flanging of the edge of the barrel cover plate can be realized, the servo motor 83 can be started after the edge roller 79 moves to a proper position, the edge roller 79 can roll on the edge of the barrel cover plate finally, the whole barrel cover plate is flanging and flattening, the distance between the edge roller 79 and the upper die 5 can be adjusted by the adjusting piece 56, the curling operation can be carried out on the barrel cover plates punched by different dies, and the damage to the curled barrel cover plate can be reduced by the buffer surface formed by the hemispherical block 80.
Embodiment III: for the first embodiment and the second embodiment, in order to make the effect of the metal can lid hemming and stamping device clearer, the embodiment also discloses a stamping method of the metal can lid hemming and stamping device, which mainly includes the following steps:
s1, adjusting an upper die 5: the initial positions of the outer pressing die 16 and the inner pressing die 17 are adjusted according to the depth of the stamping forming required by the barrel cover plate;
s2, feeding: feeding the barrel cover plate raw material plate into a stamping mechanism 1;
s3, stamping: starting a hydraulic cylinder 8 to punch the barrel cover plate;
s4, hemming: after the barrel cover plate is punched, the cylinder 84 is started, so that the hemispherical block 80 is used for flanging the side of the barrel cover plate, and the servo motor 83 is started to rotate the edge-pressing roller 79 at the same time, so that the edge of the barrel cover plate after flanging is flattened.
In order to facilitate understanding of the above technical solutions of the present invention, the following describes in detail the working principle or operation manner of the present invention in the actual process.
In practical application, when the lower pressing plate 4 drives the upper die 5 to move towards the lower die 6, the inner pressing block 21 is firstly contacted with the barrel cover plate and performs punching forming on the center of the barrel cover plate, at the moment, the lower pressing plate 4 continuously moves downwards, the jacking spring 22 continuously contracts until the bulge loop 19 performs punching forming on the outer side of the barrel cover plate, thus the inner groove and the outer ring on the barrel cover plate can be formed successively by punching, the condition that part of the barrel cover plate between the inner groove and the outer ring is pulled is avoided by adopting the punching mode, the strength of the barrel cover after punching is correspondingly improved, the initial position of the outer pressing die 16 can be adjusted by the assembly groove 35 formed at the bottom of the fixed circular block 15 and the adjusting sleeve 34 arranged in the assembly groove 35, the initial position of the inner pressing die 17 can be adjusted by the positioning convex ring 37 formed at the bottom of the fixed circular block 15, and the punching operation with different depths on the barrel cover plate can be realized by matching the inner pressing ring and the outer pressing ring.
According to the invention, the edge roller 79 and the hemispherical block 80 can be lifted, the flanging of the edge of the barrel cover plate can be realized, when the edge roller 79 moves to a proper position, the servo motor 83 can be started, the edge roller 79 can roll on the edge of the barrel cover plate, the whole barrel cover plate is flanging and flattening, the distance between the edge roller 79 and the upper die 5 can be regulated by the regulating piece 56, the curling operation can be carried out on the barrel cover plates punched by different dies, and the damage to the curled barrel cover plate can be reduced by the buffer surface formed by the hemispherical block 80.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a metal bung turn-up stamping device, its characterized in that includes stamping mechanism (1) and turn-up mechanism (2), the top of stamping mechanism (1) is located to turn-up mechanism (2), stamping mechanism (1) include bed plate (3), are equipped with holding down plate (4) directly over bed plate (3), upper die (5) are installed to the bottom center of holding down plate (4), bottom die (6) just set up to upper die (5) are installed to the top center of bed plate (3), both ends top fixed mounting that bed plate (3) set up along its length direction has pneumatic cylinder (8), the top four corners fixed mounting of bed plate (3) has stop collar (9), slidable mounting has gag lever (10) in stop collar (9), the top tip fixed mounting of gag lever post (10) is on holding down plate (4), the bottom of turn-up mechanism (2) passes holding down plate (4) and overlaps the outside of locating upper die (5), bottom die (6) are installed to the top center of holding down plate (3) is installed fixedly, bottom die (6) are installed down plate (6) is installed in the top center (601), an outer ring groove (602) which is concentric with the inner core groove (601) is formed in the top of the lower die (6);
The novel plastic die is characterized in that an arc hole (13) is formed in the lower pressing plate (4), mounting holes (12) are further formed in two ends of the lower pressing plate (4) arranged along the length direction of the lower pressing plate, the end parts of output shafts of the hydraulic cylinders (8) are fixedly mounted in the mounting holes (12), rolling grooves (14) are symmetrically formed in the tops of the lower pressing plate (4) along the center, an upper mounting seat (11) is fixedly mounted at the center of the bottom of the lower pressing plate (4), the upper die (5) comprises a fixed round block (15) fixedly mounted at the bottom of the upper mounting seat (11), an outer pressing die (16) is fixedly mounted at the outer side of the bottom of the fixed round block (15), an inner pressing die (17) is mounted at the center of the bottom of the fixed round block (15), an outer pressing edge (18) is formed in the outer side of the bottom of the outer pressing die (16), and a bulge loop (19) is integrally formed in the center of the outer pressing die (16);
the center of fixed circle piece (15) has seted up mounting hole (32), interior compression mould (17) are including fixed mounting locating sleeve (20) in mounting hole (32), the inside briquetting (21) that are equipped with in the bottom of locating sleeve (20), the top tip fixed mounting of interior briquetting (21) has tight spring (22) in top, top shrouding (23) are installed at the top tip of tight spring (22) in top, the distance between interior briquetting (21) and interior heart groove (601) is less than the distance between protruding ring (19) and outer loop groove (602).
2. The metal barrel cover hemming stamping device according to claim 1, wherein the guide block (24) is fixedly installed at the top of the outer side wall of the inner pressing block (21), the guide groove (29) is formed in the inner side wall of the positioning sleeve (20), the spring seat (27) is fixedly installed at the bottom center of the top sealing plate (23), the upper installation groove (28) is formed in the bottom of the spring seat (27), the lower installation groove (25) is formed in the top of the inner pressing block (21), the two ends of the jacking spring (22) are fixedly installed in the upper installation groove (28) and the lower installation groove (25) respectively, the annular baffle (31) is fixedly installed at the bottom end part of the positioning sleeve (20), the inner diameter of the annular baffle (31) is smaller than the inner diameter of the positioning sleeve (20), the accommodating groove (33) is formed in the top center of the fixed circular block (15), the fixing groove (26) is formed in the side of the top sealing plate (23), and the positioning groove (30) is formed in the outer side wall of the positioning sleeve (20).
3. The metal barrel cover hemming stamping device according to claim 2, characterized in that an assembly groove (35) which is annularly arranged is formed in the bottom of the fixed round block (15), an adjusting sleeve (34) is arranged in the assembly groove (35), the outer pressing die (16) is fixedly arranged at the bottom of the adjusting sleeve (34), a limiting hole (36) is formed in the side wall of the adjusting sleeve (34), a positioning convex ring (37) is integrally formed in the center of the bottom of the fixed round block (15), a first notch groove (38) is formed in the outer side wall of the fixed round block (15), a first positioning piece (39) which is used for positioning the adjusting sleeve (34) is arranged in the first notch groove (38), a second notch groove (40) is formed in the outer side wall of the positioning convex ring (37), a second positioning piece (41) which is used for positioning the positioning of the positioning sleeve (20) is fixedly arranged in the second notch groove (40), and a jack (42) which is opposite to the second jack (42) is formed in the outer side wall of the positioning convex ring (37).
4. A metal barrel cover hemming stamping device according to claim 3, characterized in that the first positioning piece (39) comprises a fixed sleeve (44) and a positioning cap (46), the fixed sleeve (44) is fixedly installed in the first notch groove (38), the first positioning rod (43) penetrates through the fixed sleeve (44), one end part of the first positioning rod (43) far away from the fixed sleeve (44) penetrates through the limiting hole (36) and is arranged in the jack (42), an external thread (45) is formed in the outer side wall of the fixed sleeve (44), an internal thread (47) is formed in the inner side wall of the positioning cap (46), the positioning cap (46) is fixedly installed outside the fixed sleeve (44), the second positioning piece (41) comprises a second positioning rod (48), one end of the second positioning rod (48) penetrates through the inner wall of the second notch groove (40) and is inserted into the positioning groove (30), a positioning ring (50) is fixedly installed inside the second notch groove (40), and one end part of the second positioning rod (48) far away from the positioning ring (50) is provided with the positioning ring (50).
5. A metal can lid hemming stamping device according to claim 1 or 2 or 3 or 4, wherein the hemming mechanism (2) comprises a lifting assembly (53), the lifting assembly (53) is fixedly mounted at the top of the lower platen (4), a connecting frame (54) is fixedly mounted at the bottom of the lifting assembly (53), the bottom of the connecting frame (54) passes through an arc-shaped hole (13) in the lower platen (4) to be arranged, the bottom end of the connecting frame (54) is fixedly mounted with a hemming assembly (55), the hemming assembly (55) comprises an adjusting piece (56) fixedly mounted at the bottom end of the connecting frame (54), the bottom of the adjusting piece (56) is fixedly mounted with a flanging piece (57), the adjusting piece (56) comprises a fixed ring plate (58), the bottom of the fixed ring plate (58) is coaxially and slidingly provided with an adjusting ring plate (59), the fixed ring plate (58) is connected with the adjusting ring plate (59) through a connecting piece (60), and the fixed ring plate (58) is connected with the outer side of the adjusting ring plate (59) through the flanging piece (60).
6. The metal barrel cover hemming and stamping device according to claim 5, wherein the guide shaft (62) is fixedly installed on the outer side of the bottom of the fixed ring plate (58), the first hinge shaft (63) is fixedly installed on the inner side of the bottom of the fixed ring plate (58), the guide hole (65) arranged along the axis of the guide shaft is formed in the adjusting ring plate (59), the first hinge hole (66) arranged on one side of the end portion of the guide hole (65) is formed in the adjusting ring plate (59), the connecting piece (60) comprises an arc-shaped rod (68), a connecting rod (69) is hinged to one end of the arc-shaped rod (68), the second hinge hole (70) is formed in one end portion, far away from the arc-shaped rod (68), of the arc-shaped rod (68), the second hinge shaft (71) is installed on one end, far away from the connecting rod (69), of the second hinge shaft (71) is installed in the first hinge hole (66), the first hinge shaft (63) is installed in the second hinge hole (70), and the arc-shaped rod (68) is hinged to one end, far away from the fixing hole (72), of the arc-shaped plate (68).
7. The metal barrel cover hemming and stamping device according to claim 6, wherein a first connecting block (64) is fixedly installed on the outer side wall of the fixed ring plate (58), a second connecting block (67) is fixedly installed on the outer side wall of the adjusting ring plate (59), the telescopic piece (61) comprises a telescopic rod (73), two ends of the telescopic rod (73) are respectively connected with a mounting column (75) through universal joints (74), two mounting columns (75) are respectively fixedly installed on the first connecting block (64) and the second connecting block (67), the flanging piece (57) comprises a fixed column (76) fixedly installed inside a fixing hole (72), a triangular plate (77) is rotatably installed at the bottom end part of the fixed column (76), a mounting shaft (78) is fixedly installed at the corner of the triangular plate (77), a side pressing roller (79) is rotatably installed at the bottom end part of the mounting shaft (78), and a hemispherical block (80) is integrally arranged at the bottom end part of the side pressing roller (79).
8. The metal barrel cover hemming and stamping device according to claim 7, wherein the lifting assembly (53) comprises a top plate (81) arranged right above the lower pressure plate (4), four corners of the bottom of the top plate (81) are fixedly arranged on the lower pressure plate (4) through support columns (82), a servo motor (83) is arranged at the top of the top plate (81), an output shaft of the servo motor (83) penetrates through the top plate (81) and is fixedly provided with an air cylinder (84), a telescopic shaft (85) is arranged at the bottom of the air cylinder (84), the connecting frame (54) comprises a lifting plate (91), the telescopic shaft (85) is fixedly connected with the lifting plate (91), a vertical rod (93) is fixedly arranged at the bottom of the lifting plate (91), and the fixed ring plate (58) is fixedly arranged at the bottom end part of the vertical rod (93).
9. The metal barrel cover hemming and stamping device according to claim 8, wherein the lifting plate (91) is provided with a guide hole (92), a guide rod (86) is fixedly installed outside the bottom of the air cylinder (84), the bottom end part of the guide rod (86) penetrates through the guide hole (92) and is fixedly provided with a stop block (87), extension blocks (88) are fixedly installed at two ends of the bottom of the air cylinder (84), a supporting rod (89) is fixedly installed at the bottom of one end of the extension blocks (88) far away from the air cylinder (84), a roller (90) is rotatably installed at the bottom end part of the supporting rod (89), and the roller (90) is arranged in a rolling groove (14) at the top of the lower pressing plate (4) in a rolling mode.
10. A method of stamping a metal can lid hemming stamping apparatus as claimed in claim 9, comprising the steps of:
s1, adjusting an upper die (5): adjusting the initial positions of the outer pressing die (16) and the inner pressing die (17) according to the depth of the stamping forming required by the barrel cover plate;
s2, feeding: feeding the barrel cover plate raw material plate into a stamping mechanism (1);
s3, stamping: starting a hydraulic cylinder (8) to punch the barrel cover plate;
s4, hemming: after the barrel cover plate is stamped, an air cylinder (84) is started, so that the hemispherical block (80) is used for flanging the side of the barrel cover plate, and a servo motor (83) is started to rotate a flanging roller (79) at the same time, so that the edge of the barrel cover plate after flanging is flattened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311684663.5A CN117380839B (en) | 2023-12-11 | 2023-12-11 | Hemming stamping device and stamping method for metal barrel cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311684663.5A CN117380839B (en) | 2023-12-11 | 2023-12-11 | Hemming stamping device and stamping method for metal barrel cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117380839A true CN117380839A (en) | 2024-01-12 |
| CN117380839B CN117380839B (en) | 2024-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311684663.5A Active CN117380839B (en) | 2023-12-11 | 2023-12-11 | Hemming stamping device and stamping method for metal barrel cover |
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| CN (1) | CN117380839B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AR214491A1 (en) * | 1978-01-13 | 1979-06-15 | Bene P | CRIMPING TOOL |
| CH662293A5 (en) * | 1984-04-06 | 1987-09-30 | Aluminiumwerke Ag Rorschach | Deep-drawing tool and a deep-drawn metal container lid for a container with a beaded or rolled edge |
| CA2279718A1 (en) * | 1998-08-11 | 2000-02-11 | Unova Ip Corp. | Multi-axis roller hemmer |
| CN203764843U (en) * | 2014-03-24 | 2014-08-13 | 云南通海县裕林包装工业有限公司 | Metal barrel cover crimping machine |
| CN110947576A (en) * | 2019-12-05 | 2020-04-03 | 杭州纽格润工程技术有限公司 | Glue injection machine for barrel cover curling |
| CN210907783U (en) * | 2019-11-05 | 2020-07-03 | 苏州市力茂容器有限公司 | Automatic edge curling mechanism of iron drum container for chemical industry |
| CN211101240U (en) * | 2019-12-05 | 2020-07-28 | 杭州纽格润工程技术有限公司 | Transplanting lifting mechanism of barrel cover curling machine |
| CN211360428U (en) * | 2019-12-05 | 2020-08-28 | 杭州纽格润工程技术有限公司 | High-efficient bung beader device |
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2023
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AR214491A1 (en) * | 1978-01-13 | 1979-06-15 | Bene P | CRIMPING TOOL |
| CH662293A5 (en) * | 1984-04-06 | 1987-09-30 | Aluminiumwerke Ag Rorschach | Deep-drawing tool and a deep-drawn metal container lid for a container with a beaded or rolled edge |
| CA2279718A1 (en) * | 1998-08-11 | 2000-02-11 | Unova Ip Corp. | Multi-axis roller hemmer |
| CN203764843U (en) * | 2014-03-24 | 2014-08-13 | 云南通海县裕林包装工业有限公司 | Metal barrel cover crimping machine |
| CN210907783U (en) * | 2019-11-05 | 2020-07-03 | 苏州市力茂容器有限公司 | Automatic edge curling mechanism of iron drum container for chemical industry |
| CN110947576A (en) * | 2019-12-05 | 2020-04-03 | 杭州纽格润工程技术有限公司 | Glue injection machine for barrel cover curling |
| CN211101240U (en) * | 2019-12-05 | 2020-07-28 | 杭州纽格润工程技术有限公司 | Transplanting lifting mechanism of barrel cover curling machine |
| CN211360428U (en) * | 2019-12-05 | 2020-08-28 | 杭州纽格润工程技术有限公司 | High-efficient bung beader device |
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|---|---|
| CN117380839B (en) | 2024-02-09 |
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