CN117066356B - Bending riveting equipment for preparing refrigerator liner port-shaped coaming - Google Patents
Bending riveting equipment for preparing refrigerator liner port-shaped coaming Download PDFInfo
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- CN117066356B CN117066356B CN202311337242.5A CN202311337242A CN117066356B CN 117066356 B CN117066356 B CN 117066356B CN 202311337242 A CN202311337242 A CN 202311337242A CN 117066356 B CN117066356 B CN 117066356B
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- Prior art keywords
- riveting
- plate
- fixedly connected
- rod
- bending
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- 238000005452 bending Methods 0.000 title claims abstract description 120
- 230000005540 biological transmission Effects 0.000 claims abstract description 77
- 238000007493 shaping process Methods 0.000 claims abstract description 55
- 230000000087 stabilizing effect Effects 0.000 claims description 43
- 238000003825 pressing Methods 0.000 claims description 18
- 238000000465 moulding Methods 0.000 claims description 11
- 239000003381 stabilizer Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 abstract description 63
- 239000002184 metal Substances 0.000 abstract description 63
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 230000007423 decrease Effects 0.000 abstract 1
- 230000007246 mechanism Effects 0.000 description 12
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
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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
- 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
- B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
-
- 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
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/03—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal otherwise than by folding
- B21D39/031—Joining superposed plates by locally deforming without slitting or piercing
-
- 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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
- B21D5/0209—Tools therefor
Abstract
The invention relates to the technical field of production of refrigerator liner coamings, and discloses bending riveting equipment for preparing refrigerator liner port coamings, which comprises an equipment table, wherein a plurality of struts are fixedly connected to the middle part of the upper surface of the equipment table, end plates are fixedly connected to the upper ends of the struts, electric telescopic rods are arranged on the upper surface of the end plates, and the output ends of the electric telescopic rods penetrate through the end plates and are provided with upper riveting units; through placing monolithic metal sheet on the equipment platform, drive the riveting unit decline by electric telescopic handle, cooperation first transmission unit and second transmission unit can drive to bend the board and bend the board down and rotate with the shaping unit of metal sheet cooperation and bend into a mouthful shape to make the both ends of metal sheet have certain coincidence, thereby the rethread is riveted fixed to the both ends of metal sheet with riveting unit down, overall structure is simple, convenient operation, can once only bend into a mouthful shape with the metal sheet and rivet into the refrigerator-freezer inner bag bounding wall, the operating efficiency is high, equipment cost is low, it is convenient to make.
Description
Technical Field
The invention relates to the technical field of production of liner coamings of ice chest, in particular to bending and riveting equipment for preparing liner port coamings of ice chest.
Background
The heat preservation of the refrigerator is generally carried out by a foaming layer, the outer part of the foaming layer of the refrigerator is provided with a refrigerator shell, the inner part of the foaming layer is provided with an inner container, and the coaming is used for isolating the inner container of the refrigerator and a refrigerating device. The inner container is made of metal cold plate, color plate, stainless steel plate, aluminum plate, embossed aluminum plate, plastic plate, etc.
The coaming of the prior refrigerator liner is riveted by a U-shaped coaming matched with a bottom plate or is directly bent into a coaming with a mouth shape by adopting a single metal plate through repeated bending, and two ends of the coaming bent into the mouth shape are connected through riveting.
The prior art discloses a refrigerator liner U-shaped large coaming bending machine as in the Chinese patent with publication number of CN206951859U, and comprises two bending mechanisms which are oppositely arranged and have adjustable intervals, and a third sucker manipulator positioned between the two bending mechanisms. The bending mechanism comprises a blanking table mechanism, a pressing table mechanism and a pressing bending mechanism. The material pressing and bending mechanism is used for bending the plate placed on the material pressing table mechanism into a U-shaped coaming. The third sucker manipulator is used for dragging the U-shaped coaming placed on the material pressing table mechanisms of the two bending mechanisms to the material discharging table mechanisms of the two bending mechanisms.
The prior art has the following defects:
the refrigerator liner coaming equipment prepared by riveting the bottom plate with the U-shaped coaming is characterized in that the U-shaped coaming is bent, and the bottom plate is riveted on the U-shaped coaming after bending to form the refrigerator liner coaming; the refrigerator liner coaming is prepared by a single metal plate, a manual hand-held metal plate is generally adopted, the metal plate is placed on a bending machine, the opening-shaped coaming is manually bent through the movement of the metal plate, the refrigerator liner coaming is formed, and then the refrigerator liner coaming is taken down to rivet and fix the two ends of the refrigerator liner coaming.
The refrigerator liner coaming equipment prepared by riveting the bottom plate by the U-shaped coaming in the prior art has the advantages of larger structure, more parts, high manufacturing cost and large occupied area, can be riveted only by shifting and matching the U-shaped coaming bent by doubling and the bottom plate, has poor preparation precision, low efficiency and high manual strength, and is required to rivet by singly doubling and bending the coaming in a mouth shape.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides bending and riveting equipment for preparing the refrigerator liner port coaming, which is convenient and quick to bend and rivet the refrigerator liner port coaming.
In order to achieve the above purpose, the present invention provides the following technical solutions: a riveting equipment of bending for preparing refrigerator-freezer inner bag mouth shape bounding wall, including the equipment platform, the upper surface middle part fixedly connected with many spinal branch poles of equipment platform, the upper end fixedly connected with end plate of branch, the last surface mounting of end plate has electric telescopic handle, electric telescopic handle's output runs through end plate and installs the riveting unit, go up the riveting unit including riveting board and two sets of connecting rods, two sets of connecting rods respectively with the both sides fixed connection of riveting board, all install first drive unit between the other end of two sets of connecting rods and the adjacent branch, install the board of bending on the first drive unit, the shaping unit is installed to the bottom surface of riveting board, the upper end rotation of equipment platform is connected with two lower bending boards that are located shaping unit both sides respectively, install the second drive unit between one side of riveting board and the lower bending board, install the riveting unit down that corresponds with last riveting unit between shaping unit inside and the second drive unit, electric telescopic handle is through last riveting unit cooperation first drive unit and second drive unit respectively to last bending board and lower bending board.
Preferably, the first transmission unit comprises a rotating rod and a toothed plate, the rotating rod is rotationally connected between the two connecting rods, two ends of the rotating rod penetrate through the connecting rods and are fixedly connected with transmission gears, the toothed plate is fixedly connected to the side wall of the supporting rod, the toothed plate is meshed with the transmission gears, and the upper bending plate is fixedly connected to the outer wall of the rotating rod.
Preferably, the second transmission unit comprises a limit sleeve rod, a stop block and a gear shaft, one end of the gear shaft is fixedly connected with one side of the lower bending plate, the axle center of the gear shaft is coincident with the rotation axle center of the lower bending plate, the limit sleeve rod is fixedly connected with the outer wall of the adjacent supporting rod on the long side of the equipment platform, two transmission sleeve rods are slidably connected to the inner wall of the limit sleeve rod, one side of the transmission sleeve rod is fixedly connected with a plurality of tooth blocks which are meshed with the gear shaft, the stop block is fixedly mounted on the bottom surface of the equipment platform, the stop block supports the lower end surface of the transmission sleeve rod, a transmission frame is slidably connected between the inner walls of the two transmission sleeve rods, one side of the upper end of the transmission frame is fixedly connected with one end of the riveting plate, and a first spring is fixedly connected between the inner bottom surface of the transmission sleeve rod and the lower end of the transmission frame.
Preferably, the shaping unit comprises a shaping shell, two lower bending plates are respectively positioned at two sides of the shaping shell, a sliding sleeve is fixedly connected to the inside of the shaping shell, a sliding rod is connected to the sliding sleeve in a sliding mode, the other end of the sliding rod extends out of the sliding sleeve and the shaping shell and is fixedly connected with the bottom surface of the riveting plate, a second spring is fixedly connected between the inner bottom surface of the sliding sleeve and the lower end of the sliding rod, and a plurality of abdicating holes are formed in the upper surface of the shaping shell.
Preferably, the upper riveting unit further comprises a plurality of riveting grooves, the plurality of riveting grooves are uniformly formed in the middle of the bottom surface of the riveting plate, the lower riveting unit comprises a cross rod and a plurality of riveting rods, the plurality of riveting rods are uniformly and fixedly connected to the upper surface of the cross rod, the cross rod is located in the molding shell, fixing rods are fixedly connected to two sides of one end of the cross rod, the other ends of the two fixing rods are fixedly connected with one side of the limiting sleeve rod, the sliding sleeve is slidably connected between the two fixing rods, and the riveting rods penetrate through the yielding holes and are matched with the riveting grooves to rivet the coaming.
Preferably, the shaping unit further comprises a stabilizing sleeve and a stabilizing rod, wherein the stabilizing sleeve is fixedly connected inside one end of the shaping shell, which is far away from the sliding sleeve, the upper end of the stabilizing sleeve extends out of the shaping shell, the stabilizing sleeve is fixedly connected on the bottom surface of one end, which is far away from the sliding rod, of the riveting plate, a pressing plate is connected in the stabilizing sleeve in a sliding manner, a third spring is fixedly connected between the bottom surface of the pressing plate and the inner bottom surface of the stabilizing sleeve, and the lower end of the stabilizing rod is movably inserted into the stabilizing sleeve and is movably abutted against the upper surface of the pressing plate.
Preferably, the stabilizing groove is all offered to the adjacent side of stabilizing cover and sliding sleeve, and the equal fixedly connected with stabilizing piece in both ends of horizontal pole, stabilizing piece sliding connection are in stabilizing groove.
Preferably, the first transmission unit further comprises a positioning groove and a yielding groove, the positioning groove and the yielding groove are formed in the side wall of the supporting rod, the lower end of the positioning groove is communicated with the upper end of the yielding groove, the two ends of the rotating rod are of rectangular structures, the end portion of the rotating rod is in sliding connection with the positioning groove and the yielding groove, the yielding groove corresponds to the position of the toothed plate, and the positioning groove limits the rotating rod.
Preferably, the upper riveting unit further comprises a bending protrusion, and the bending protrusion is fixedly connected with the bottom surface of the riveting plate.
Preferably, two mounting grooves are formed in the upper surface of the equipment table, one end of the lower bending plate is rotationally connected in the mounting groove, one end of the gear shaft penetrates through the mounting groove and is fixedly connected with the lower bending plate, two groups of positioning strips are fixedly connected to the upper surface of the equipment table, and the positioning strips are located on two sides above the mounting groove.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, a single metal plate is placed on an equipment table, the upper riveting unit is driven to descend by the electric telescopic rod, the upper bending plate and the lower bending plate can be driven to rotate by being matched with the first transmission unit and the second transmission unit, the metal plate is bent into a mouth shape by being matched with the shaping unit, and the two ends of the metal plate are overlapped to a certain extent, so that the two ends of the metal plate are riveted and fixed by the upper riveting unit and the lower riveting unit, the whole structure is simple, the operation is convenient, the metal plate can be bent into the mouth shape and riveted to form the inner container coaming of the ice chest at one time, the operation efficiency is high, the equipment cost is low, and the manufacturing is convenient;
2. according to the invention, the electric telescopic rod can drive the upper riveting unit to descend and drive the upper bending plate and the lower bending plate to rotate, so that bending and riveting manufacturing of the refrigerator liner coaming can be realized by only one driving device, the manufacturing cost of the device is low, and the practicability is strong;
3. according to the invention, the two ends of the metal plate bent into the shape of the opening are riveted and fixed in a nail-free riveting mode, so that the manufacturing cost is reduced, and the refrigerator liner coaming is conveniently taken after being riveted;
4. according to the invention, the bending bulges are fixedly connected to the bottom surface of the riveting plate, so that when the riveting unit is matched with the upper riveting unit to rivet the two ends of the metal plate, one end of the overlapped part of the two ends of the metal plate, which is positioned at the outer side, is bent by the bending bulges, and therefore, the inner wall of the coaming of the inner container of the manufactured refrigerator is kept parallel, and the practicability is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the back of the overall structure of the present invention;
FIG. 3 is a schematic view of another overall structure of the present invention;
FIG. 4 is a schematic view of a connection structure between a gear shaft and a lower bending plate according to the present invention;
FIG. 5 is a schematic cross-sectional view of a transmission loop bar and a detailed structure of a second transmission unit according to the present invention;
FIG. 6 is a detailed schematic diagram of the riveting unit of the present invention;
FIG. 7 is a schematic view showing a detailed sectional structure of the shaping unit of the present invention;
FIG. 8 is a schematic view showing the detailed installation position of the riveting unit according to the present invention;
FIG. 9 is an enlarged view of a portion of FIG. 1 at A;
FIG. 10 is a partial enlarged view at B in FIG. 2;
FIG. 11 is an enlarged view of a portion of FIG. 6 at C;
FIG. 12 is a partial enlarged view at D in FIG. 8;
FIG. 13 is a schematic view of a forming structure of a liner mouth-shaped coaming of an ice chest prepared by the invention;
fig. 14 is a schematic view of the structure of the rotating rod of the present invention.
In the figure: 1. an equipment stand; 2. a support rod; 3. an end plate; 4. an electric telescopic rod; 5. a riveting unit is arranged; 51. riveting plates; 52. a connecting rod; 53. a riveting groove; 54. bending the bulge; 6. a lower riveting unit; 61. a cross bar; 62. riveting a connecting rod; 63. a fixed rod; 7. a first transmission unit; 71. a transmission gear; 72. a toothed plate; 73. a positioning groove; 74. a rotating rod; 75. a relief groove; 8. a second transmission unit; 81. a stop block; 82. a gear shaft; 83. a limit loop bar; 84. a transmission loop bar; 85. a first spring; 86. a transmission frame; 87. tooth blocks; 9. a shaping unit; 91. shaping the shell; 92. a sliding sleeve; 93. a second spring; 94. a slide bar; 95. a stabilizing sleeve; 96. a third spring; 97. pressing the plate; 98. a stabilizer bar; 99. a relief hole; 10. a lower bending plate; 11. an upper bending plate; 12. a positioning strip; 13. a mounting groove; 14. a stabilizing groove; 15. a stabilizing block; 16. refrigerator liner mouth coaming.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art without the inventive effort, are intended to be within the scope of the present invention, based on the embodiments herein.
Referring to fig. 1-14, a bending riveting device for preparing a liner port coaming of an ice chest comprises a device table 1, a plurality of struts 2 are fixedly connected to the middle part of the upper surface of the device table 1, an end plate 3 is fixedly connected to the upper end of the struts 2, an electric telescopic rod 4 is mounted on the upper surface of the end plate 3, the output end of the electric telescopic rod 4 penetrates through the end plate 3 and is provided with an upper riveting unit 5, the upper riveting unit 5 comprises a riveting plate 51 and two groups of connecting rods 52, the two groups of connecting rods 52 are respectively and fixedly connected with two sides of the riveting plate 51, a first transmission unit 7 is mounted between the other ends of the two groups of connecting rods 52 and the adjacent struts 2, an upper bending plate 11 is mounted on the first transmission unit 7, a shaping unit 9 is mounted on the bottom surface of the riveting plate 51, two lower bending plates 10 respectively positioned at two sides of the shaping unit 9 are rotatably connected to the upper end part of the device table 1, a second transmission unit 8 is mounted between one side of the riveting plate 51 and the lower bending plate 10, a lower riveting unit 6 corresponding to the upper riveting unit 5 is mounted between the inside the shaping unit 9 and the second transmission unit 8, and the electric telescopic rod 4 is matched with the first transmission unit 7 and the lower bending unit 10 to bend the first transmission unit 11 respectively.
Specifically, the bending and riveting equipment structure for preparing the refrigerator liner mouth-shaped coaming is similar to that of the conventional refrigerator liner mouth-shaped coaming, and the main improvement point of the invention is that the refrigerator liner mouth-shaped coaming 16 is conveniently and rapidly subjected to bending and riveting; when the refrigerator liner port coaming 16 is required to be bent and riveted, a metal plate for coaming manufacture is placed on the equipment table 1 and the lower bending plate 10, the distance between one end of the metal plate and the shaping unit 9 is slightly larger than the distance between the other end of the metal plate and the shaping unit 9, the difference between the two ends of the metal plate and the spacing between the two ends of the shaping unit 9 is not larger than 10cm, at the moment, the electric telescopic rod 4 is started to work, the output end of the electric telescopic rod 4 drives the riveting plate 51 to descend, the riveting plate 51 drives the shaping unit 9 to descend and match with the equipment table 1 to clamp and fix the metal plate, the riveting plate 51 drives the two lower bending plates 10 to rotate towards the shaping unit 9 through the second transmission unit 8, the lower bending plate 10 bends the two ends of the metal plate upwards and matches with the limitation of the shaping unit 9 to form a U shape, at the moment, the height of the upper bending plate 11 is larger than the height of the end part of the metal plate, the two ends of the metal plate are rotated to the inner sides of the two upper bending plates 11, the riveting plate 51 drives the upper bending plates 11 to descend through the connecting rods 52 and is matched with the first transmission unit 7 to enable the upper ends of the upper bending plates 11 to rotate towards the shaping unit 9, so that the upper bending plates 11 drive the two ends of the upper ends of the metal plate to bend towards the upper surface of the shaping unit 9 until the metal plate is bent into a mouth shape, the two ends of the metal plate are partially overlapped, at the moment, the upper riveting unit 5 is matched with the lower riveting unit 6 to rivet and fix the overlapped parts of the two ends of the metal plate, thereby realizing bending and riveting of the refrigerator liner coaming, the electric telescopic rod 4 is lifted, and the bent and riveted coaming can be taken down from the shaping unit 9. The bending and riveting manufacturing of the refrigerator liner coaming is realized only through one electric telescopic rod 4, the equipment manufacturing cost is low, the practicability is strong, and the equipment cost is low.
The electric telescopic rod 4 can be purchased in the market, belongs to a mature technology and is fully disclosed, so that repeated description is omitted in the specification, the electric telescopic rod 4 is provided with a power connection wire, the electric telescopic rod is electrically connected with an external main controller and 220V phase voltage through the power connection wire, and the main controller can be conventional known equipment with a control function of a computer and the like.
Specifically, the first transmission unit 7 includes a rotating rod 74 and a toothed plate 72, the rotating rod 74 is rotatably connected between the two connecting rods 52, both ends of the rotating rod 74 penetrate through the connecting rods 52 and are fixedly connected with a transmission gear 71, the toothed plate 72 is fixedly connected to the side wall of the supporting rod 2, the toothed plate 72 is meshed with the transmission gear 71, and the upper bending plate 11 is fixedly connected to the outer wall of the rotating rod 74; when the electric telescopic rod 4 drives the riveting plate 51 and the connecting rod 52 to descend, the connecting rod 52 drives the upper bending plate 11 to descend through the rotating rod 74 until the transmission gear 71 is in contact engagement with the toothed plate 72, the rotating rod 74 is driven to rotate through the transmission gear 71, so that the rotating rod 74 drives the upper bending plate 11 to rotate, the upper bending plate 11 drives the upper end of the metal plate to bend towards the shaping unit 9, bending of the metal plate into a mouth shape is achieved, after the riveting plate 51 ascends, the upper bending plate 11 ascends and rotates to be parallel to the supporting rod 2 through the cooperation of the transmission gear 71 and the toothed plate 72, the space is reserved for the upper bending plate 11 because of ascending, the lower bending plate 10 cannot block the bent upper end of the metal plate after the first bending, the tooth grooves on the two transmission gears 71 are different, the lengths and tooth grooves of the two toothed plates 72 are also different, and the two ends of the metal plate can be bent out of step when the two upper bending plates 11 bend the two ends of the metal plate for the second time, and the problem that the two ends of the metal plate are bent into the mouth shape is avoided.
Specifically, the second transmission unit 8 includes a limit sleeve rod 83, a stop block 81 and a gear shaft 82, one end of the gear shaft 82 is fixedly connected with one side of the lower bending plate 10, the axle center of the gear shaft 82 is coincident with the rotation axle center of the lower bending plate 10, the limit sleeve rod 83 is fixedly connected with the outer wall of the long-side adjacent support rod 2 of the equipment platform 1, the inner wall of the limit sleeve rod 83 is slidably connected with two transmission sleeve rods 84, one side of the transmission sleeve rod 84 is fixedly connected with a plurality of tooth blocks 87 which are meshed with the gear shaft 82, the stop block 81 is fixedly installed on the bottom surface of the equipment platform 1, the stop block 81 supports the lower end surface of the transmission sleeve rod 84, a transmission frame 86 is slidably connected between the inner walls of the two transmission sleeve rods 84, one side of the upper end of the transmission frame 86 is fixedly connected with one end of the riveting plate 51, and a first spring 85 is fixedly connected between the inner bottom surface of the transmission sleeve rod 84 and the lower end of the transmission frame 86; when the riveting plate 51 descends, the riveting plate 51 drives the transmission frame 86 to descend, the transmission frame 86 is stressed by extruding the first spring 85 to drive the transmission sleeve rod 84 to descend, the transmission sleeve rod 84 descends to drive the tooth block 87 and the gear shaft 82 to rotate, the gear shaft 82 drives the lower bending plate 10 to rotate to bend the metal plate for the first time until the lower end of the transmission sleeve rod 84 abuts against the upper surface of the stop block 81, the stop block 81 limits the transmission sleeve rod 84, at the moment, the lower bending plate 10 rotates to be parallel to the supporting rod 2, the first bending of the metal plate is completed, the metal plate is made to be U-shaped, at the moment, the transmission frame 86 continuously descends in the transmission sleeve rod 84 due to the descending of the riveting plate 51 to drive the first spring 85 to be continuously compressed, and when the riveting plate 51 moves upwards, the transmission frame 86 drives the transmission sleeve rod 84 to ascend, so that the lower bending plate 10 rotates to bend the metal plate conveniently, and bending of the next coaming plate 51 is driven to rotate through the descending of the riveting plate 81, and bending equipment is not required to be additionally driven to bend the metal plate at low manufacturing cost.
Specifically, the shaping unit 9 includes a shaping shell 91, two lower bending plates 10 are respectively located at two sides of the shaping shell 91, a sliding sleeve 92 is fixedly connected in the shaping shell 91, a sliding rod 94 is connected in the sliding sleeve 92 in a sliding manner, the other end of the sliding rod 94 extends out of the sliding sleeve 92 and the shaping shell 91 and is fixedly connected with the bottom surface of the riveting plate 51, a second spring 93 is fixedly connected between the inner bottom surface of the sliding sleeve 92 and the lower end of the sliding rod 94, and a plurality of abdication holes 99 are formed in the upper surface of the shaping shell 91; when the metal plate is placed on the equipment platform 1, the metal plate is located below the shaping shell 91, when the riveting plate 51 descends, the sliding rod 94 is driven to descend to enable the shaping shell 91 to descend, the shaping shell 91 and the equipment platform 1 clamp the metal plate to keep stability when the metal plate is bent and riveted, the sliding rod 94 enables the second spring 93 to compress after the riveting plate 51 contacts with the metal plate, the shaping shell 91 is enabled to keep pressing downwards to fix the metal plate through the force of the second spring 93 in cooperation with the sliding sleeve 92, the first bending and the second bending of the metal plate by the lower bending plate 10 and the upper bending plate 11 are all limited to be presented through blocking of the shaping shell 91, and when the riveting plate 51 ascends, the sliding rod 94 is driven to ascend through the sliding sleeve 92, so that the bent and riveted refrigerator liner coaming can be taken out from the shaping shell 91, and practicability is improved.
Specifically, the upper riveting unit 5 further includes a plurality of riveting grooves 53, the plurality of riveting grooves 53 are uniformly formed in the middle of the bottom surface of the riveting plate 51, the lower riveting unit 6 includes a cross rod 61 and a plurality of riveting rods 62, the plurality of riveting rods 62 are uniformly and fixedly connected to the upper surface of the cross rod 61, the cross rod 61 is located in a molding shell 91, two sides of one end of the cross rod 61 are fixedly connected with fixing rods 63, the other ends of the two fixing rods 63 are fixedly connected with one side of a limiting sleeve rod 83, a sliding sleeve 92 is slidably connected between the two fixing rods 63, and the riveting rods 62 penetrate through a yielding hole 99 to cooperate with the riveting grooves 53 to rivet the coaming; the cross rod 61 is fixed with the limit sleeve 83 through the fixed rod 63, the cross rod 61 cannot move, when the riveting plate 51 descends, the molding shell 91 is driven to descend, so that the yielding hole 99 slides through the outside of the riveting rod 62, the upper end of the riveting rod 62 penetrates through the molding shell 91, along with the descending of the riveting plate 51, the riveting rod 62 extrudes the overlapping parts of the two ends of the metal plate, part of the metal plate is deformed and jacked into the riveting groove 53 on the bottom surface of the riveting plate 51, riveting of the metal plate is achieved, a refrigerator liner coaming is formed, after the riveting is completed, the riveting plate 51 ascends, the molding shell 91 is driven to ascend, the riveted coaming is pulled out of the riveting rod 62, at the moment, the bent and riveted coaming is taken down from the molding shell 91, the two ends of the metal plate bent into a mouth shape are riveted and fixed in a nail-free riveting mode, manufacturing cost is reduced, and the refrigerator liner coaming is conveniently taken after riveting.
Specifically, the shaping unit 9 further includes a stabilizing sleeve 95 and a stabilizing rod 98, the stabilizing sleeve 95 is fixedly connected inside one end of the shaping shell 91 far away from the sliding sleeve 92, the upper end of the stabilizing sleeve 95 extends out of the shaping shell 91, the stabilizing sleeve 95 is fixedly connected to the bottom surface of one end of the riveting plate 51 far away from the sliding rod 94, a pressing plate 97 is slidably connected in the stabilizing sleeve 95, a third spring 96 is fixedly connected between the bottom surface of the pressing plate 97 and the inner bottom surface of the stabilizing sleeve 95, and the lower end of the stabilizing rod 98 is movably inserted into the stabilizing sleeve 95 and movably abutted to the upper surface of the pressing plate 97; when the riveting plate 51 is not lowered, a certain distance is reserved between the lower end of the stabilizer bar 98 and the upper surface of the molding shell 91, when the riveting plate 51 is lowered, the riveting plate 51 drives the stabilizer bar 98 and the sliding rod 94 to synchronously descend, the stabilizer bar 98 is inserted into the stabilizing sleeve 95 and is propped against the pressing plate 97, the pressing plate 97 compresses the third spring 96, the stability and strength can be improved through cooperation of the stabilizer bar 98 and the stabilizing sleeve 95, and damage caused by overlarge pressing force is avoided.
Specifically, the adjacent sides of the stabilizing sleeve 95 and the sliding sleeve 92 are respectively provided with a stabilizing groove 14, both ends of the cross rod 61 are fixedly connected with stabilizing blocks 15, and the stabilizing blocks 15 are slidably connected in the stabilizing grooves 14; when the molding shell 91 descends, the stabilizing sleeve 95 and the sliding sleeve 92 are driven to descend, the stabilizing groove 14 and the stabilizing block 15 slide, the stabilizing block 15 is matched with the stabilizing groove 14 to improve the strength of the cross rod 61, and when the riveting rod 62 on the cross rod 61 rivets the metal plate, the strength is kept, so that damage is avoided.
Specifically, the first transmission unit 7 further includes a positioning groove 73 and a yielding groove 75, the positioning groove 73 and the yielding groove 75 are both formed in the side wall of the supporting rod 2, the lower end of the positioning groove 73 is communicated with the upper end of the yielding groove 75, the two ends of the rotating rod 74 are both rectangular structures, the end of the rotating rod 74 is slidably connected with the positioning groove 73 and the yielding groove 75, the yielding groove 75 corresponds to the position of the toothed plate 72, and the positioning groove 73 limits the rotating rod 74; when the riveting plate 51 descends, the rotating rod 74 is driven by the connecting rod 52 to descend, the rotating rod 74 drives the upper bending plate 11 to descend, two ends of the rotating rod 74 slide with the locating grooves 73, the locating grooves 73 can limit the rotating rod 74 because two ends of the rotating rod 74 are rectangular, the rotating rod 74 can not drive the upper bending plate 11 to rotate until the rotating rod 74 slides to the yielding grooves 75, the yielding grooves 75 yield the end portions of the rotating rod 74, the transmission gear 71 and the toothed plate 72 rotate the upper bending plate 11, the angle of the upper bending plate 11 can be kept when the upper bending plate 11 does not need to rotate after ascending, stability is improved, and the first bending of the metal plate is prevented from being blocked by the upper bending plate 11.
Specifically, the upper riveting unit 5 further includes a bending protrusion 54, and the bending protrusion 54 is fixedly connected with the bottom surface of the riveting plate 51; when the riveting plate 51 moves downwards to match with the riveting rod 62 to rivet the overlapping parts of the two ends of the metal plate, the bending protrusion 54 on the bottom surface of the riveting plate 51 is matched with the molding shell 91 to bend one end of the metal plate, which is positioned on the outer side of the overlapping part after the two ends of the metal plate are bent, by the bending protrusion 54, so that the inner walls of the manufactured refrigerator liner coamings are kept parallel, and the practicability is improved by referring to the forming schematic diagram of the refrigerator liner coamings 16 shown in fig. 13.
Specifically, two mounting grooves 13 are formed in the upper surface of the equipment table 1, one end of the lower bending plate 10 is rotatably connected in the mounting grooves 13, one end of the gear shaft 82 penetrates into the mounting grooves 13 and is fixedly connected with the lower bending plate 10, two groups of positioning strips 12 are fixedly connected to the upper surface of the equipment table 1, and the positioning strips 12 are positioned on two sides above the mounting grooves 13; when the lower bending plate 10 is folded, the lower bending plate is turned into the mounting groove 13, the equipment table 1 is not protruded, the metal plate is conveniently placed on the equipment table 1 and the lower bending plate 10, the positioning strip 12 can position the metal plate, so that the metal plate cannot deviate, the metal plate is prevented from deviating when placed, and the phenomenon that the metal plate is damaged due to extrusion with other structures in the bending process is avoided; the gear shaft 82 is inserted into the mounting groove 13 from the outside of the equipment table 1 and fixed to the side wall of the lower bending plate 10 at the axial center.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (6)
1. Bending riveting equipment for preparing a refrigerator liner port-shaped coaming comprises an equipment table (1), and is characterized in that the middle part of the upper surface of the equipment table (1) is fixedly connected with a plurality of struts (2), the upper end of each strut (2) is fixedly connected with an end plate (3), an electric telescopic rod (4) is arranged on the upper surface of each end plate (3), the output end of each electric telescopic rod (4) penetrates through each end plate (3) and is provided with an upper riveting unit (5), each upper riveting unit (5) comprises a riveting plate (51) and two groups of connecting rods (52), the two groups of connecting rods (52) are respectively fixedly connected with two sides of each riveting plate (51), a first transmission unit (7) is arranged between the other end of each connecting rod (52) and the adjacent struts (2), an upper bending plate (11) is arranged on each first transmission unit (7), a molding unit (9) is arranged on the bottom surface of each riveting plate (51), two lower bending plates (10) which are respectively arranged on two sides of each molding unit (9) are rotatably connected with the upper end of the equipment table (1), a second transmission unit (8) is arranged between the lower bending plate (10), the shaping unit (9) is internally provided with a lower riveting unit (6) corresponding to the upper riveting unit (5) and a second transmission unit (8), the electric telescopic rod (4) is respectively matched with the first transmission unit (7) and the second transmission unit (8) to rotate the upper bending plate (11) and the lower bending plate (10) through the upper riveting unit (5), the second transmission unit (8) comprises a limit sleeve rod (83), a stop block (81) and a gear shaft (82), one end of the gear shaft (82) is fixedly connected with one side of the lower bending plate (10), the axle center of the gear shaft (82) coincides with the rotation axle center of the lower bending plate (10), the limit sleeve rod (83) is fixedly connected with the outer wall of an adjacent strut (2) on the long side of the equipment table (1), one side of the transmission sleeve rod (84) is fixedly connected with a plurality of tooth blocks (87) meshed with the gear shaft (82), the stop block (81) is fixedly connected with the inner wall of the two transmission sleeve rods (84) on the inner wall of the equipment table (1), the stop block (84) is fixedly connected with the inner wall of the transmission sleeve rod (84) between the two support rods (84), the upper end side of the transmission frame (86) is fixedly connected with one end of the riveting plate (51), a first spring (85) is fixedly connected between the inner bottom surface of the transmission sleeve rod (84) and the lower end of the transmission frame (86), the shaping unit (9) comprises a shaping shell (91), two lower bending plates (10) are respectively positioned at two sides of the shaping shell (91), a sliding sleeve (92) is fixedly connected inside the shaping shell (91), a sliding rod (94) is connected inside the sliding sleeve (92) in a sliding manner, the other end of the sliding rod (94) extends out of the sliding sleeve (92) and the shaping shell (91) and is fixedly connected with the bottom surface of the riveting plate (51), a second spring (93) is fixedly connected between the inner bottom surface of the sliding sleeve (92) and the lower end of the sliding rod (94), a plurality of positioning holes (99) are formed in the upper surface of the shaping shell (91), the upper riveting unit (5) further comprises a plurality of grooves (53), the plurality of riveting grooves (53) are uniformly formed in the middle of the riveting plate (91) and the lower connecting rod (61) and the upper connecting rod (61) are uniformly arranged on the upper connecting rod (61) and the lower rod (61) respectively, the utility model provides a stabilizer bar, including horizontal pole (61), the one end both sides of horizontal pole (61) are all fixedly connected with dead lever (63), two the other end of dead lever (63) all with one side fixed connection of limit sleeve pole (83), sliding sleeve (92) sliding connection is between two dead levers (63), rivet bar (62) run through hole (99) and cooperate rivet groove (53) to rivet the bounding wall, shaping unit (9) still include stable cover (95) and stabilizer bar (98), stable cover (95) fixed connection is inside one end of keeping away from sliding sleeve (92) at shaping shell (91), the upper end of stable cover (95) extends to outside shaping shell (91), stable cover (95) fixed connection is kept away from one end bottom surface of slide bar (94) at rivet plate (51), stable cover (95) sliding connection has pressing plate (97), fixedly connected with third spring (96) between the inside bottom surface of pressing plate (97) and stable cover (95), the lower extreme of stabilizer bar (98) is kept away from in movable cover (95) and is pressed on the movable clamp plate (97).
2. The bending and riveting device for preparing a refrigerator liner mouth coaming according to claim 1, wherein the first transmission unit (7) comprises a rotating rod (74) and a toothed plate (72), the rotating rod (74) is rotationally connected between two connecting rods (52), two ends of the rotating rod (74) penetrate through the connecting rods (52) and are fixedly connected with transmission gears (71), the toothed plate (72) is fixedly connected to the side wall of the supporting rod (2), the toothed plate (72) is meshed with the transmission gears (71), and the upper bending plate (11) is fixedly connected to the outer wall of the rotating rod (74).
3. The bending riveting device for preparing the refrigerator liner mouth coaming according to claim 1, wherein the adjacent sides of the stabilizing sleeve (95) and the sliding sleeve (92) are provided with stabilizing grooves (14), two ends of the cross rod (61) are fixedly connected with stabilizing blocks (15), and the stabilizing blocks (15) are slidably connected in the stabilizing grooves (14).
4. The bending riveting device for preparing the refrigerator liner port coaming according to claim 2, wherein the first transmission unit (7) further comprises a positioning groove (73) and a yielding groove (75), the positioning groove (73) and the yielding groove (75) are formed in the side wall of the supporting rod (2), the lower end of the positioning groove (73) is communicated with the upper end of the yielding groove (75), two ends of the rotating rod (74) are of rectangular structures, the end portions of the rotating rod (74) are in sliding connection with the positioning groove (73) and the yielding groove (75), the yielding groove (75) corresponds to the position of the toothed plate (72), and the positioning groove (73) limits the rotating rod (74).
5. The bending and riveting apparatus for preparing a refrigerator liner mouth casing according to claim 1, wherein the upper riveting unit (5) further comprises a bending protrusion (54), the bending protrusion (54) being fixedly connected with the bottom surface of the riveting plate (51).
6. The bending and riveting equipment for preparing the refrigerator liner mouth coaming according to claim 1, wherein two mounting grooves (13) are formed in the upper surface of the equipment table (1), one end of the lower bending plate (10) is rotatably connected in the mounting groove (13), one end of the gear shaft (82) is penetrated into the mounting groove (13) and fixedly connected with the lower bending plate (10), two groups of positioning strips (12) are fixedly connected with the upper surface of the equipment table (1), and the positioning strips (12) are located on two sides above the mounting groove (13).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311337242.5A CN117066356B (en) | 2023-10-17 | 2023-10-17 | Bending riveting equipment for preparing refrigerator liner port-shaped coaming |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311337242.5A CN117066356B (en) | 2023-10-17 | 2023-10-17 | Bending riveting equipment for preparing refrigerator liner port-shaped coaming |
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| CN117066356A CN117066356A (en) | 2023-11-17 |
| CN117066356B true CN117066356B (en) | 2023-12-22 |
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