CN113560424B - Freezer outer box puncture riveting production line - Google Patents
Freezer outer box puncture riveting production line Download PDFInfo
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- CN113560424B CN113560424B CN202110848455.9A CN202110848455A CN113560424B CN 113560424 B CN113560424 B CN 113560424B CN 202110848455 A CN202110848455 A CN 202110848455A CN 113560424 B CN113560424 B CN 113560424B
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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
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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
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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
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a freezer outer box piercing riveting production line, which comprises a U-shell coaming production line, a back plate production line and a riveting production line, wherein the U-shell coaming production line flow comprises the following steps: (S11) feeding; (S12) die cutting; (S13) side bending; (S14) L-shaped bending; (S15) folding the U-shaped structure; the backboard production line process comprises the following steps: (S21) feeding; (S22) die cutting; (S23) side bending; (S24) clamping groove forming; (S25) overturning; the process of the riveting production line comprises the following steps: (S31) transferring the back plate turned over in the step (S25) to a riveting device; (S32) a step (S15); the U-shaped shell coaming is transported to a riveting device below the backboard; (S33) the riveting device operates to finish the riveting work. The automatic production line for piercing riveting of the refrigerator outer box automatically completes procedures of punching, bending, riveting and the like of the U-shaped shell coaming and the back plate, replaces the traditional manual operation mode, improves the working efficiency of riveting, reduces the personnel cost and promotes automatic production.
Description
Technical Field
The invention relates to the technical field of refrigerator production, in particular to a puncture riveting production line for an outer box of a refrigerator.
Background
At present, the preparation modes of the steel plate case of the refrigerator adopted in the refrigerator manufacturing industry mainly comprise two forming modes of riveting and welding. The riveting forming mode mainly adopts a mode that the U-shaped shell coaming is inserted into a riveting groove of the backboard, at present, when the refrigerator outer box is subjected to riveting production, the riveting forming mode is usually completed by manpower, the labor cost is high, the production efficiency is low, and the U-shaped shell coaming and the backboard are inaccurately matched, so that the rejection rate is high.
Disclosure of Invention
In order to solve the problems, the invention aims to provide an automatic production line for piercing riveting of an outer box of a refrigerator, which automatically completes procedures of punching, bending, riveting and the like of a U-shaped shell coaming and a back plate, replaces a traditional manual operation mode, improves the welding work efficiency, reduces the personnel cost and promotes automatic production.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a puncture riveting production line for an outer box of a refrigerator comprises a U-shaped shell coaming production line, a backboard production line and a riveting production line, wherein,
the U shell coaming production line process comprises the following steps of:
(S11) feeding;
(S12) die cutting;
(S13) side bending;
(S14) L-shaped bending;
(S15) folding the U-shaped structure;
the backboard production line process comprises the following steps:
(S21) feeding;
(S22) die cutting;
(S23) side bending;
(S24) card slot shaping
(S25) overturning;
the process of the riveting production line comprises the following steps:
(S31) transferring the back plate turned over in the step (S25) to a riveting device;
(S32) conveying the U-shaped shell coaming after the U-shaped coaming is folded in the step (S15) to a riveting device below the backboard;
(S33) the riveting device operates to finish the riveting work.
Preferably, the U-shell coaming production line flow includes:
(S11) feeding, namely placing the aluminum plate on a first conveying line by a mechanical arm or manually,
(S12) punching, namely punching the folded corners, the first square holes and the inserted corners of the aluminum plate through a first punching station, a second punching station and a third punching station
(S13) bending the upper side edge and the lower side edge of the aluminum plate after punching;
(S14) performing L-shaped bending on the left side and the right side of the aluminum plate;
(S15) bending the U-shaped aluminum plate along the bending angle to finish the manufacturing of the U-shaped shell coaming;
the backboard production line process comprises the following steps:
(S21) feeding, namely placing the aluminum plate on a second conveying line by a mechanical arm or manually;
(S22) punching, namely punching four corners, a second square hole and a round hole of the aluminum plate through a punching station IV, a punching station V and a punching station V;
(S23) bending the upper side and the lower side of the aluminum plate;
(S24) clamping groove forming, wherein clamping groove forming is carried out on the left side and the right side of the aluminum plate through a clamping groove forming device.
(S25) overturning, namely overturning the backboard with the clamping groove formed by the overturning sucker by 180 degrees;
the process of the riveting production line comprises the following steps:
(S31) transferring the back plate turned over in the step (S25) to a riveting device 9 through a manipulator or manually;
(S32) conveying the U-shaped shell coaming after the U-shaped coaming is folded in the step (S15) to a riveting device below the backboard through a running trolley;
(S33) the riveting device operates to finish the riveting work.
Preferably, the card slot forming device for forming the card slot in the step (S24) includes a die frame, an upper die mechanism and a lower die mechanism are arranged on the die frame, a U-shaped groove is arranged on the lower surface of the upper die plate below the upper die mechanism, and a U-shaped convex groove matched with the U-shaped groove is arranged on the upper surface of the lower die plate above the lower die mechanism.
Preferably, the upper pressing die mechanism comprises a linear guide rail vertically arranged on a pressing die frame, an upper pressing plate is connected to the linear guide rail above the pressing die frame through a sliding block, the upper part of the upper pressing plate is connected with the free end of a piston rod of a lifting oil cylinder, the lifting oil cylinder is arranged on a connecting plate at the top end of a straight line, an upper pressing oil cylinder is connected to the lower part of the upper pressing plate, and an upper pressing die plate is connected to the free end of the piston rod of the upper pressing oil cylinder.
Preferably, the pressing mechanism comprises a pressing cylinder arranged below the pressing frame, a pressing plate is arranged at the free end of a piston rod of the pressing cylinder, and when the piston rods of the pressing cylinder and the pressing cylinder extend out simultaneously, the U-shaped convex groove is inserted into the U-shaped groove.
Preferably, the front side and the rear side of the linear guide rail are respectively provided with a first positioning mechanism and a second positioning mechanism, and the left side and the right side of the linear guide rail are respectively provided with a third positioning mechanism and a fourth baffle.
Preferably, the first positioning mechanism comprises a first cylinder arranged below the conveying line, a first baffle is connected to the free end of a piston rod of the first cylinder, when the piston rod of the first cylinder stretches out, the first baffle is ejected upwards from a gap between adjacent conveying belts, the first cylinder is connected with the linear sliding group, the second positioning mechanism comprises a second cylinder arranged above the conveying line, the free end of the piston rod of the second cylinder faces towards and is connected with a third cylinder, the piston rod of the third cylinder is horizontally arranged and is connected with a second baffle, the third positioning mechanism comprises a fourth cylinder arranged on the press mold frame, and the free end of the piston rod of the fourth cylinder faces towards the fourth baffle and is connected with the third baffle.
Preferably, in the step (S31), the riveting device includes a riveting frame, a feeding mechanism is arranged above the riveting frame, a piercing riveting mechanism is arranged above the feeding mechanism, and a leveling pressing mechanism is arranged above the piercing riveting mechanism; the puncture riveting mechanism comprises two supporting seats which are oppositely arranged, the two supporting seats are connected with the bottom of the riveting rack in a left-right sliding mode, a first connecting seat and a second connecting seat which are oppositely arranged are arranged above each supporting seat, a striker plate is arranged at the rear ends of the first connecting seat and the second connecting seat, a seventh air cylinder is arranged on the first connecting seat, an oil cylinder is arranged on the second connecting seat, a first push plate and a second push plate are respectively arranged at the free ends of piston rods of the seventh air cylinder and the oil cylinder, and a feeding channel is arranged between the first connecting seat and the second connecting seat.
Preferably, the leveling and pressing mechanism comprises two groups of fifth cylinders which are oppositely arranged above the riveting rack, a fifth pressing plate is arranged at the free end of a piston of each fifth cylinder, a cylinder fixing seat of each fifth cylinder is connected with a piston rod of each sixth cylinder, and each sixth cylinder is arranged on the riveting rack.
Preferably, a fourth positioning device is arranged on the front side of the riveting rack, the fourth positioning device comprises an eighth cylinder arranged on the riveting rack, and a sixth pushing plate is arranged at the free end of a piston of the eighth cylinder.
Preferably, the front end of the feeding channel is provided with a Y-shaped material guiding opening, and the feeding mechanism is a belt lifting conveyor.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the automatic production line for piercing riveting of the refrigerator outer box, the procedures of punching, bending, riveting and the like of the U-shaped shell coaming and the backboard are automatically completed, the traditional manual operation mode is replaced, the riveting working efficiency is improved, the personnel cost is reduced, and the automatic production is promoted;
2. according to the clamping groove forming device of the automatic production line for piercing riveting of the refrigerator outer box, the upper pressing mold mechanism and the lower pressing mold mechanism are arranged, the lower surface of the upper pressing mold plate below the upper pressing mold mechanism is provided with the U-shaped groove, the upper surface of the lower pressing mold plate above the lower pressing mold mechanism is provided with the U-shaped convex groove matched with the U-shaped groove, the manufacturing of the U-shaped clamping groove is automatically completed in the mold closing process, the working efficiency is improved, and the precision is higher;
3. according to the automatic piercing riveting production line for the refrigerator outer box, the seventh air cylinder is arranged on the first connecting seat, the oil cylinder is arranged on the second connecting seat, the first push plate and the second push plate are respectively arranged at the free ends of piston rods of the seventh air cylinder and the oil cylinder, the feeding channel is arranged between the first connecting seat and the second connecting seat, and after the U-shell coaming enters through the feeding channel, the first push plate and the second push plate position the U-shell coaming, so that riveting is more accurate.
Drawings
Fig. 1 is a schematic diagram of an automatic production line for piercing riveting of an outer box of a refrigerator;
fig. 2 is a schematic flow chart of production of a U-shell coaming in an automatic production line of piercing riveting of an outer box of a refrigerator;
fig. 3 is a schematic flow chart of backboard production in the automatic production line of piercing riveting of the outer box of the refrigerator;
fig. 4 is a front view of a clamping groove forming device in the automatic production line of piercing riveting of an outer box of a refrigerator;
fig. 5 is a left side view of a clamping groove forming device in the automatic production line of the piercing riveting of the outer box of the refrigerator;
FIG. 6 is an enlarged view of a portion of FIG. 4A;
fig. 7 is a front view of a riveting device in the automatic production line of piercing riveting of an outer box of a refrigerator according to the invention;
fig. 8 is a left side view of a riveting device in the automatic production line of piercing riveting of the outer box of the refrigerator;
FIG. 9 is a front view of a piercing riveting mechanism in the riveting device;
fig. 10 is a plan view of a piercing-caulking mechanism in a caulking apparatus.
In the figure: 1-U shell coaming production line; 11-a first conveyor line; 12-a first punching station; 13-a second punching station; 14-a third punching station; 15-folding the corners; 16-a first square hole; 17-inserting corners; 18-a first side bending station; 19-L-shaped bending stations; 20-folding a U-shaped station;
2-a backboard production line; 21-a second conveyor line; 22-a punching station IV; 23-a punching station five; 24-a punching station six; 25-four corners; 26-a second square hole; 27-a circular hole; 28-a second side bending station; 29-turning over the sucker;
3-riveting production line;
4-clamping groove forming device; 41-a die frame; 42-a pressing mold mechanism; 421-linear guide rail; 422-a slider; 423-lower platen; 424-lifting cylinder; 425-a connection plate; 426-an upward pressing cylinder; 427-pressing the template; 428-U-shaped groove; 43-a press-down die mechanism; 431-pressing down the oil cylinder; 432-pressing down the template; 433-U-shaped convex groove;
5-a first positioning mechanism; 51-a first cylinder; 52-a first baffle;
6-a second positioning mechanism; 61-a second cylinder; 62-a third cylinder; 63-a second baffle;
7-a third positioning mechanism; 71-fourth cylinder; 72-a third baffle;
8-a fourth baffle;
9-riveting devices; 91-riveting a frame; 92-feeding mechanism; 93-piercing riveting mechanism; 931-a supporting seat; 932—a first connecting seat; 933-a second connection base; 934-striker plate; 935-seventh cylinder; 936-ram; 937-a first push plate; 938-a second push plate; 939-material channel; 310-Y-shaped material guiding opening; 94-flattening and compressing mechanism; 941-fifth cylinder; 942-fifth platen; 943-sixth cylinder; 95-fourth positioning means; 951-eighth cylinder; 952-sixth push plate.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the invention, which is therefore not limited to the specific embodiments disclosed below.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical", "horizontal", and "up", "down", "left" and "right" as defined herein are defined with respect to the schematic diagram of a fully automated transplanting cart of fig. 1, and are for illustration purposes only and are not meant to be the only embodiment.
Referring to fig. 1-3, a freezer outer box piercing riveting production line comprises a U-shell coaming production line 1, a back plate production line 2, and a riveting production line 3, wherein,
the U-shell coaming production line 1 comprises the following steps:
(S11) feeding, namely placing the aluminum plate on the first conveying line 11 by a mechanical arm or manually,
(S12) punching, namely, punching the folding corner 15, the first square hole 16 and the insertion corner 17 of the aluminum plate through the first punching station 12, the second punching station 13 and the third punching station 14
(S13) bending the upper side edge and the lower side edge of the die-cut aluminum plate through a first side bending station 18;
(S14) performing L-shaped bending on the left side and the right side of the aluminum plate through an L-shaped bending station 19;
(S15) bending the U-shaped aluminum plate along the bending angle by the U-shaped bending station 20, and completing the manufacturing of the rear U-shell coaming;
the back plate production line 2 flow comprises the following steps:
(S21) feeding, in which an aluminum plate is placed on the second conveyor line 21 by a manipulator or manually;
(S22) punching, namely punching four corners 25, second square holes 26 and round holes 27 of the aluminum plate through a punching station four 22, a punching station five 23 and a punching station six 24;
(S23) bending the upper side and the lower side of the aluminum plate through a side bending station II;
(S24) clamping groove forming, wherein the clamping groove forming device 4 is used for clamping groove forming on the left side and the right side of the aluminum plate.
(S25) overturning, namely overturning the backboard with the clamping groove formed by 180 degrees through the overturning sucker 29;
the process of the riveting production line 3 comprises the following steps:
(S31) transferring the back plate turned over in the step (S25) to a riveting device 9 through a manipulator or manually;
(S32) conveying the U-shaped shell coaming after the U-shaped coaming is folded in the step (S15) to a riveting device 9 below the backboard through a running trolley;
(S33) the riveting device operates to finish the riveting work.
Referring to fig. 4-6, the slot forming device 4 includes a die frame 41, an upper die mechanism 42 and a lower die mechanism 43 are disposed on the die frame 41, the upper die mechanism 42 includes a linear guide rail 421 vertically disposed on the die frame 41, an upper pressing plate 423 is connected to the linear guide rail 421 above the die frame 41 through a sliding block 422, the upper part of the upper pressing plate 423 is connected to a free end of a piston rod of a lifting cylinder 424, the lifting cylinder 424 is disposed on a connecting plate 425 at the top of the linear, an upper pressing cylinder 426 is connected to the lower part of the upper pressing plate 423, a lower pressing plate 427 is connected to the free end of the piston rod of the upper pressing cylinder 426, a U-shaped groove 428 is disposed on the lower surface of the upper pressing plate 427, and a U-shaped convex groove matched with the U-shaped groove is disposed on the upper surface of the lower pressing plate above the lower pressing mechanism 43.
The lower pressing mechanism 43 comprises a lower pressing oil cylinder 431 arranged below the pressing frame 41, a lower pressing plate 432 is arranged at the free end of a piston rod of the lower pressing oil cylinder 431, a U-shaped convex groove 433 matched with the U-shaped groove 428 is arranged on the upper surface of the lower pressing plate 432, and when the piston rods of the upper pressing oil cylinder 426 and the lower pressing oil cylinder 431 extend out simultaneously, the U-shaped convex groove 433 is inserted into the U-shaped groove 428.
The front side and the rear side of the linear guide rail 421 are respectively provided with a first positioning mechanism 5 and a second positioning mechanism 6, and the left side and the right side of the linear guide rail 421 are respectively provided with a third positioning mechanism 7 and a fourth baffle 8.
The first positioning mechanism 5 comprises a first cylinder 51 arranged below the conveying line, a first baffle plate 52 is connected to the free end of a piston rod of the first cylinder 51, when the piston rod of the first cylinder 51 stretches out, the first baffle plate 52 is ejected upwards from a gap between adjacent conveying belts, the first cylinder 51 is connected with a linear sliding group, the second positioning mechanism 6 comprises a second cylinder 61 arranged above the conveying line, the free end of the piston rod of the second cylinder 61 faces towards and is connected with a third cylinder 62, the piston rod of the third cylinder 62 is horizontally arranged and is connected with a second baffle plate 63, the third positioning mechanism 7 comprises a fourth cylinder 71 arranged on the die frame 41, and the free end of the piston rod of the fourth cylinder 71 faces towards the fourth baffle plate 8 and is connected with a third baffle plate 72.
As shown in fig. 7-10, the riveting device 9 comprises a riveting frame 91, a feeding mechanism 92 is arranged above the frame of the riveting frame 91, the feeding mechanism 92 is a belt lifting conveyor, a piercing riveting mechanism 93 is arranged above the feeding mechanism 92, and a leveling pressing mechanism 94 is arranged above the piercing riveting mechanism 93; the piercing riveting mechanism 93 comprises two supporting seats 931 which are oppositely arranged, the two supporting seats 931 are connected with the bottom of the riveting frame 91 in a left-right sliding mode, a first connecting seat 932 and a second connecting seat 933 which are oppositely arranged are arranged above each supporting seat 931, a striker plate 934 is arranged at the rear ends of the first connecting seat 932 and the second connecting seat 933, a seventh cylinder 935 is arranged on the first connecting seat 932, an oil cylinder 936 is arranged on the second connecting seat 933, a first push plate 937 and a second push plate 938 are respectively arranged at the free ends of piston rods of the seventh cylinder 934 and the oil cylinder, a feeding channel 939 is arranged between the first connecting seat 932 and the second connecting seat 933, and a Y-shaped material guide opening 310 is arranged at the front end of the feeding channel 934.
The clapping machine 94 comprises two groups of fifth cylinders 941 which are oppositely arranged above the riveting frame 91, a fifth pressing plate 942 is arranged at the free end of a piston of each fifth cylinder 941, a cylinder fixing seat of each fifth cylinder 941 is connected with a piston rod of a sixth cylinder 943, and the sixth cylinders 943 are arranged on the riveting frame 91.
The fourth positioning device 95 is arranged on the front side of the riveting frame 91, the fourth positioning device 95 comprises an eighth air cylinder 951 arranged on the riveting frame 91, and a sixth push plate 952 is arranged at the free end of a piston of the eighth air cylinder 951.
The invention relates to a refrigerator outer box production process, which comprises a U-shell coaming production line 1, a backboard production line 2 and a riveting production line 3, wherein:
the U-shell coaming production line 1 comprises the following steps:
(S11) feeding, namely placing the aluminum plate on the first conveying line 11 by a mechanical arm or manually,
(S12) punching, namely, punching the folding corner 15, the first square hole 16 and the insertion corner 17 of the aluminum plate through the first punching station 12, the second punching station 13 and the third punching station 14
(S13) bending the upper side edge and the lower side edge of the aluminum plate after punching;
(S14) performing L-shaped bending on the left side and the right side of the aluminum plate;
(S15) bending the U-shaped aluminum plate along the bending angle to finish the manufacturing of the U-shaped shell coaming;
the back plate production line 2 flow comprises the following steps:
(S21) feeding, in which an aluminum plate is placed on the second conveyor line 21 by a manipulator or manually;
(S22) punching, namely punching four corners 25, second square holes 26 and round holes 27 of the aluminum plate through a punching station four 22, a punching station five 23 and a punching station six 24;
(S23) bending the upper side and the lower side of the aluminum plate;
(S24) clamping groove forming, wherein the clamping groove forming device 4 is used for clamping groove forming on the left side and the right side of the aluminum plate.
When the aluminum plate is conveyed between the first positioning mechanism and the second positioning mechanism through the conveying belt
(S25) overturning, namely overturning the backboard with the clamping groove formed by the overturning sucker by 180 degrees;
the process of the riveting production line 3 comprises the following steps:
(S31) transferring the back plate turned over in the step (S25) to a riveting device 9 through a manipulator or manually;
(S32) conveying the U-shaped shell coaming after the U-shaped coaming is folded in the step (S15) to a riveting device 9 below the backboard through a running trolley;
(S33) the riveting device operates to finish the riveting work.
When the refrigerator outer box is produced, the puncture riveting of the refrigerator outer box is finished through the U-shell coaming production line 1, the backboard production line 2 and the riveting production line 3, wherein:
the U shell coaming production line 1 flow includes:
(S11) feeding, namely placing the aluminum plate on the first conveying line 11 by a mechanical arm or manually,
(S12) punching, namely, punching the folding corner 15, the first square hole 16 and the insertion corner 17 of the aluminum plate through the first punching station 12, the second punching station 13 and the third punching station 14
(S13) bending the upper side edge and the lower side edge of the aluminum plate after punching;
(S14) performing L-shaped bending on the left side and the right side of the aluminum plate;
(S15) bending the U-shaped aluminum plate along the bending angle to finish the manufacturing of the U-shaped shell coaming;
the back plate production line 2 flow comprises the following steps:
(S21) feeding, in which an aluminum plate is placed on the second conveyor line 21 by a manipulator or manually;
(S22) punching, namely punching four corners 25, second square holes 26 and round holes 27 of the aluminum plate through a punching station four 22, a punching station five 23 and a punching station six 24;
(S23) bending the upper side and the lower side of the aluminum plate;
(S24) clamping groove forming, wherein the clamping groove forming device 4 is used for clamping groove forming on the left side and the right side of the aluminum plate.
When the aluminum plate is conveyed between the first positioning mechanism 5 and the second positioning mechanism 6 through the conveying belt, a piston rod of the second air cylinder 61 stretches out to drive the third air cylinder 62 to descend, a piston rod of the third air cylinder 63 stretches out to drive the second baffle 63 to position one end of the aluminum plate, meanwhile, a piston rod of the first air cylinder 51 stretches out to drive the first baffle 52 to be ejected upwards from a gap between adjacent conveying belts to finish limiting of the other end of the aluminum plate, a piston rod of a fourth air cylinder 71 of the third positioning mechanism 7 stretches out to drive the third baffle 72 to enable the left side and the right side of the aluminum plate to be limited between the third baffle and the fourth baffle, then a piston rod of the lifting air cylinder 424 stretches out to enable the lower pressure plate 423 to slide downwards along the linear guide rail, a piston rod of the upper pressure oil cylinder 426 and a piston rod of the lower pressure oil cylinder 431 stretch out simultaneously to enable the upper pressure die plate 427 and the lower pressure die plate 432 to be closed, and a U-shaped convex groove 433 is inserted into a U-shaped groove 428 to enable the aluminum plate to form a U-shaped clamping groove.
(S25) overturning, namely overturning the backboard with the clamping groove formed by the overturning sucker by 180 degrees;
the process of the riveting production line 3 comprises the following steps:
(S31) transferring the back plate turned over in the step (S25) to the riveting device 9 by a manipulator or manually to be placed above the two supporting seats 931;
(S32) conveying the U-shaped shell coaming obtained in the step (S15) to a belt lifting conveyor through a running trolley, retracting the U-shaped shell coaming through a feeding channel 934 through the belt lifting conveyor, enabling the folded edges of the U-shaped shell coaming to be positioned above a back plate, enabling a seventh cylinder 934 and a piston rod of an oil cylinder to operate, limiting the side edge of the U-shaped shell coaming through a first push plate 937 and a second push plate 938, enabling the belt lifting conveyor to descend, enabling the U-shaped shell coaming to descend, enabling the piston rod of a fifth cylinder 941 to extend out to drive a fifth pressing plate 942 to press the folded edges of the U-shaped shell coaming downwards into a U-shaped slot of the back plate to complete riveting operation, enabling the seventh cylinder 934 and the piston of the oil cylinder to operate, enabling a first push plate 937 and the second push plate 938 to retract, enabling a driving motor to drive a bidirectional screw to rotate, enabling two supporting seats 931 to be close to each other, reducing the distance between the two supporting seats 931, enabling the riveted shell to be separated from the supporting seats 931, enabling the belt lifting conveyor to ascend to drive the refrigerator, enabling the shell to be separated from the supporting seats to be operated, and enabling the belt lifting conveyor to be conveyed to the next station;
(S33) the riveting device operates to finish the riveting work.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (9)
1. A puncture riveting production line of an outer box of a refrigerator is characterized by comprising a U-shaped shell coaming production line, a backboard production line and a riveting production line, wherein,
the U shell coaming production line process comprises the following steps of:
(S11) feeding;
(S12) die cutting;
(S13) side bending;
(S14) L-shaped bending;
(S15) folding the U-shaped structure;
the backboard production line process comprises the following steps:
(S21) feeding;
(S22) die cutting;
(S23) side bending;
(S24) clamping groove forming;
(S25) overturning;
the process of the riveting production line comprises the following steps:
(S31) transferring the back plate turned over in the step (S25) to a riveting device;
(S32) conveying the U-shaped shell coaming after the U-shaped coaming is folded in the step (S15) to a riveting device below the backboard;
(S33) operating the riveting device to finish the riveting work;
the U shell coaming production line process comprises the following steps of:
(S11) feeding, namely placing the aluminum plate on a first conveying line by a mechanical arm or manually,
(S12) punching, namely punching the folding corners, the first square holes and the inserting corners of the aluminum plate through a first punching station, a second punching station and a third punching station;
(S13) bending the upper side edge and the lower side edge of the aluminum plate after punching;
(S14) performing L-shaped bending on the left side and the right side of the aluminum plate;
(S15) bending the U-shaped aluminum plate along the bending angle to finish the manufacture of the U-shell coaming;
the backboard production line process comprises the following steps:
(S21) feeding, namely placing the aluminum plate on a second conveying line by a mechanical arm or manually;
(S22) punching, namely punching four corners, a second square hole and a round hole of the aluminum plate through a punching station IV, a punching station V and a punching station V;
(S23) bending the upper side and the lower side of the aluminum plate;
(S24) clamping groove forming, namely clamping groove forming is carried out on the left side and the right side of the aluminum plate through a clamping groove forming device;
(S25) overturning, namely overturning the backboard with the clamping groove formed by the overturning sucker by 180 degrees;
the process of the riveting production line comprises the following steps:
(S31) transferring the back plate turned over in the step (S25) to a riveting device through a manipulator or manually;
(S32) conveying the U-shaped shell coaming after the U-shaped coaming is folded in the step (S15) to a riveting device below the backboard through a running trolley;
(S33) the riveting device operates to finish the riveting work.
2. The refrigerator outer box piercing riveting production line according to claim 1, wherein the clamping groove forming device for forming the clamping groove in the step (S24) comprises a pressing mold frame, an upper pressing mold mechanism and a lower pressing mold mechanism are arranged on the pressing mold frame, a U-shaped groove is formed in the lower surface of the upper pressing mold plate below the upper pressing mold mechanism, and a U-shaped convex groove matched with the U-shaped groove is formed in the upper surface of the lower pressing mold plate above the lower pressing mold mechanism.
3. The refrigerator outer box piercing riveting production line according to claim 2, wherein the upper pressing die mechanism comprises a linear guide rail vertically arranged on a pressing die frame, an upper pressing plate is connected to the linear guide rail above the pressing die frame through a sliding block, the upper part of the upper pressing plate is connected with the free end of a piston rod of a lifting oil cylinder, the lifting oil cylinder is arranged on a connecting plate at the top end of the linear guide rail, an upper pressing oil cylinder is connected to the lower part of the upper pressing plate, and an upper pressing die plate is connected to the free end of the piston rod of the upper pressing oil cylinder.
4. The refrigerator outer box piercing riveting production line according to claim 3, wherein the pressing mechanism comprises a pressing oil cylinder arranged below the pressing frame, a pressing die plate is arranged at the free end of a piston rod of the pressing oil cylinder, and when the piston rods of the pressing oil cylinder and the pressing oil cylinder extend out simultaneously, the U-shaped convex groove is inserted into the U-shaped groove.
5. The refrigerator outer box piercing riveting production line according to claim 3, wherein a first positioning mechanism and a second positioning mechanism are respectively arranged on the front side and the rear side of the linear guide rail, and a third positioning mechanism and a fourth baffle are respectively arranged on the left side and the right side of the linear guide rail.
6. The refrigerator outer box piercing riveting production line according to claim 5, wherein the first positioning mechanism comprises a first cylinder arranged below the conveying line, a first baffle is connected to the free end of a piston rod of the first cylinder, when the piston rod of the first cylinder extends out, the first baffle is ejected upwards from a gap between adjacent conveying belts, the first cylinder is connected with the linear sliding group, the second positioning mechanism comprises a second cylinder arranged above the conveying line, the free end of the piston rod of the second cylinder faces towards and is connected with a third cylinder, the piston rod of the third cylinder is horizontally arranged and is connected with a second baffle, the third positioning mechanism comprises a fourth cylinder arranged on the die frame, and the free end of the piston rod of the fourth cylinder faces towards the fourth baffle and is connected with a third baffle.
7. The refrigerator outer box piercing riveting production line according to claim 1, wherein in the step (S31), the riveting device comprises a riveting frame, a feeding mechanism is arranged above the riveting frame, a piercing riveting mechanism is arranged above the feeding mechanism, and a leveling pressing mechanism is arranged above the piercing riveting mechanism; the puncture riveting mechanism comprises two supporting seats which are oppositely arranged, the two supporting seats are connected with the bottom of the riveting rack in a left-right sliding mode, a first connecting seat and a second connecting seat which are oppositely arranged are arranged above each supporting seat, a striker plate is arranged at the rear ends of the first connecting seat and the second connecting seat, a first cylinder is arranged on the first connecting seat, an oil cylinder is arranged on the second connecting seat, a first push plate and a second push plate are respectively arranged at the free ends of piston rods of the first cylinder and the oil cylinder, a feeding channel is arranged between the first connecting seat and the second connecting seat, and a Y-shaped guide opening is formed in the front end of the feeding channel.
8. The refrigerator outer box piercing riveting production line according to claim 7, wherein the leveling and pressing mechanism comprises two groups of fifth cylinders which are oppositely arranged above the riveting frame, a fifth pressing plate is arranged at the free end of a piston of each fifth cylinder, a cylinder fixing seat of each fifth cylinder is connected with a piston rod of each sixth cylinder, and each sixth cylinder is arranged on the riveting frame.
9. The refrigerator outer box piercing riveting production line according to claim 7, wherein a fourth positioning device is arranged on the front side of the riveting frame and comprises an eighth cylinder arranged on the riveting frame, and a sixth pushing plate is arranged at the free end of a piston of the eighth cylinder.
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| CN114669658A (en) * | 2022-05-12 | 2022-06-28 | 安徽鲲鹏装备模具制造有限公司 | Production method for automatically assembling refrigerator shell and related parts |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111974842A (en) * | 2020-08-18 | 2020-11-24 | 安徽鲲鹏装备模具制造有限公司 | Refrigerator side plate forming process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100229130B1 (en) * | 1996-08-16 | 1999-12-01 | 윤종용 | Bending device of out sheet for a refrigerator |
| CN107931478A (en) * | 2017-11-24 | 2018-04-20 | 安徽鲲鹏装备模具制造有限公司 | A kind of freezer liner production line with punching gluing |
| CN108160835A (en) * | 2017-11-24 | 2018-06-15 | 安徽鲲鹏装备模具制造有限公司 | A kind of four fillet clinching method of freezer liner bottom plate |
| CN107952894B (en) * | 2017-11-24 | 2023-10-20 | 安徽鲲鹏装备模具制造有限公司 | Refrigerator liner bottom plate fillet riveting mechanism |
| CN112893677A (en) * | 2019-11-19 | 2021-06-04 | 北京长征火箭装备科技有限公司 | Integrated forming equipment for border plate of unbounded refrigerator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111974842A (en) * | 2020-08-18 | 2020-11-24 | 安徽鲲鹏装备模具制造有限公司 | Refrigerator side plate forming process |
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