CN111451398B - Household appliance panel riveting equipment and method - Google Patents
Household appliance panel riveting equipment and method Download PDFInfo
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- CN111451398B CN111451398B CN202010289962.9A CN202010289962A CN111451398B CN 111451398 B CN111451398 B CN 111451398B CN 202010289962 A CN202010289962 A CN 202010289962A CN 111451398 B CN111451398 B CN 111451398B
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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Abstract
The invention relates to the field of household appliance panel riveting, in particular to household appliance panel riveting equipment and a household appliance panel riveting method. The equipment comprises a bottom plate positioning mechanism, a side plate positioning mechanism, a riveting mechanism and a rack. The bottom plate positioning mechanism, the side plate positioning mechanism and the riveting mechanisms are fixed on the frame, the two riveting mechanisms are fixed on the upper end face of the bottom face of the frame and are respectively positioned on the left side and the right side of the frame, the bottom plate positioning mechanism is fixed on the front end face of the middle upright post of the frame, and the two side plate positioning mechanisms are fixed above the bottom plate positioning mechanism and are respectively positioned on the left side and the right side of the bottom plate positioning mechanism. The equipment can quickly complete the connection work of the panel of the household appliance, improve the efficiency and the quality of the panel connection of the household appliance and simultaneously reduce the production cost of the panel connection of the household appliance.
Description
Technical Field
The invention relates to the field of household appliance panel riveting, in particular to household appliance panel riveting equipment and a household appliance panel riveting method.
Background
With the development of science and technology, the riveting processing of the panels of the household appliances is applied more and more widely in factories, at present, the panels of the household appliances are connected in various ways, and various panel connecting devices are more and more important. Along with the rapid development of household appliance panel connecting equipment, the precision requirement during the connection and processing of the household appliance panel, the connection quality after the connection of the household appliance panel and the efficiency problem during the connection and processing of the household appliance panel are more and more emphasized by people, and meanwhile, the indexes have important influence on the overall processing quality and the processing efficiency of the household appliance panel in a factory.
When connecting the common household appliance panels, two methods, namely spot welding and projection welding or riveting by using rivets, are generally adopted. For spot projection welding, the working process is as follows: cleaning a workpiece, melting part of welding wires by using a welding machine, and connecting two household appliance panels in a dotted manner through the melted welding wires. For riveting the panel of the household appliance by using the rivet, the working process is as follows: the method comprises the steps of preprocessing hole sites on the surfaces of plates to be connected, placing rivets into the prefabricated hole sites by using a riveting machine, and connecting the two plates by using the rivets.
The prior art has the following defects: 1. the welding spot of projection welding spot welding is not firm, so that the reliability of the connected plate is poor and the connection strength is low; 2. the rivet connection needs to be processed in advance, time and labor are wasted, and the rapid and efficient processing of the panel of the household appliance is not facilitated; 3. the mould location is often changed at every turn to artifical location, is unfavorable for quick accurate positioning.
Disclosure of Invention
The purpose of the invention is: aiming at the problems of poor reliability and low connection strength caused by insecure projection welding spot welding spots of connecting plates in the prior art; the rivet connection needs to be processed in advance, time and labor are wasted, and the rapid and efficient processing of the panel of the household appliance is not facilitated; the problem that manual positioning or frequent replacement of mold positioning each time is not beneficial to rapid and accurate positioning is solved, and the problem that the household appliance panel is punched and riveted through a pressure cylinder is provided, so that the surface of the household appliance panel is subjected to plastic deformation, the organization is finer, the problem of infirm welding spots is avoided, the reliability is high, and the connection strength is high; the four riveting mechanisms work simultaneously, so that hole positions do not need to be preprocessed, and efficient riveting is realized; the variable-spacing cylinder is used for positioning, a die does not need to be frequently replaced, and the household appliance panel riveting equipment and the household appliance panel riveting method can be used for quickly and accurately completing positioning.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a household electrical appliances panel riveting equipment, this equipment includes bottom plate positioning mechanism, curb plate positioning mechanism, riveting mechanism and frame. The bottom plate positioning mechanism, the side plate positioning mechanism and the riveting mechanisms are all fixed on the rack, and the two riveting mechanisms are fixed on the upper end face of the rack and are respectively positioned on the left side and the right side of the rack. The bottom plate positioning mechanisms are fixed on the front end face of the middle upright post of the rack, and the two side plate positioning mechanisms are fixed above the bottom plate positioning mechanisms and are respectively positioned on the left side and the right side of the bottom plate positioning mechanisms.
The bottom plate positioning mechanism comprises a first bottom plate driving motor, a first bottom plate driving motor base, a coupler, a bottom plate lead screw guide rail assembly, an upper sliding bottom plate reinforcing rib, a positioning bottom plate supporting plate, a second bottom plate driving motor base, a bottom plate lead screw guide rail belt pulley assembly, a positioning bottom plate pushing plate, a positioning bottom plate transition support, a left bottom plate positioning cylinder, a right bottom plate positioning cylinder, a left bottom plate positioning cylinder cushion block, a right bottom plate positioning cylinder cushion block and a front bottom plate positioning cylinder assembly. The first driving motor base of bottom plate be fixed in the preceding terminal surface lower extreme of frame intermediate column, the first driving motor of bottom plate is fixed on the first driving motor base of bottom plate, bottom plate lead screw guide rail subassembly is fixed terminal surface before the frame intermediate column, is located the first driving motor base top of bottom plate, the first driving motor of bottom plate is connected through the shaft coupling with bottom plate lead screw guide rail subassembly. The upper sliding bottom plate is fixed on a sliding block of the bottom plate screw rod guide rail assembly, the outer end face of the upper sliding bottom plate is parallel to the front end face of the middle stand column of the rack, and the upper sliding bottom plate can move up and down along a guide rail in the bottom plate screw rod guide rail assembly. The two upper sliding bottom plate reinforcing ribs are fixed on the front end face of the upper sliding bottom plate and are respectively positioned on the left side and the right side of the upper sliding bottom plate. The lower end face of the positioning bottom plate supporting plate is fixed on the upper sliding bottom plate and the upper sliding bottom plate reinforcing ribs, and the upper end face of the positioning bottom plate supporting plate is connected and fixed with the lower end face of the positioning bottom plate. The bottom plate second driving motor base is fixed on the lower end face of the positioning bottom plate supporting plate, and the bottom plate second driving motor is fixed on the bottom plate second driving motor base. The base plate screw guide rail belt pulley assembly is fixed on the upper end face of the positioning base plate and is connected with a base plate second driving motor through a screw belt pulley. The positioning bottom plate is rectangular, and the four bottom plate front and rear positioning cylinder assemblies are fixed on the positioning bottom plate and are respectively positioned at four corners of the upper end surface of the positioning bottom plate. The positioning bottom plate push plate is fixed on a sliding block in the bottom plate screw guide rail belt pulley assembly and can move left and right along a guide rail in the bottom plate screw guide rail belt pulley assembly. The positioning bottom plate transition support is rectangular, the right end of the positioning bottom plate transition support is fixed on the upper end surface of the positioning bottom plate push plate, and the upper end surface of the left end of the positioning bottom plate transition support is connected with the left and right positioning cylinders of the bottom plate. The bottom plate left and right positioning cylinder cushion blocks are fixed at the extending ends of the bottom plate left and right positioning cylinders and can move left and right along the extending direction of the cylinders.
The side plate positioning mechanism comprises a side plate positioning bottom plate, a side plate positioning upper and lower air cylinder seat, a side plate positioning upper and lower air cylinder guide rod, a side plate guide rod ball slide block, a side plate guide rod base, a side plate positioning left and right air cylinder and a side plate positioning clamp. The side plate positioning bottom plates on the two side plate positioning mechanisms are respectively fixed at the upper end of the upper sliding bottom plate and are distributed in bilateral symmetry; the upper end of the side plate positioning bottom plate is fixedly provided with the side plate positioning upper cylinder seat and the side plate positioning lower cylinder seat; the two side plate positioning upper and lower cylinder guide rods are respectively fixed at the left and right ends below the side plate positioning upper and lower cylinder seats; the side plate guide rod ball slide block is embedded in the side plate positioning upper and lower cylinder guide rods and can slide on the side plate positioning upper and lower cylinder guide rods. The side plate guide rod base is fixed on the side plate guide rod ball sliding block. The side plate positioning left and right cylinders are fixed on the side plate guide rod base. The side plate positioning fixture is connected with the extending ends of the left and right side cylinders for positioning the side plate, one side of the household appliance panel is clamped inwards, the side plate of the household appliance panel is placed in the side plate positioning fixture, and the side plate positioning left and right cylinders and the side plate positioning upper and lower cylinders drive movement. The side plate positioning mechanism is in the working process, the upper cylinder and the lower cylinder in the side plate positioning firstly move downwards, the household appliance panel side plate is carried to a specified position, the left cylinder and the right cylinder in the side plate positioning shrink, the household appliance panel side plate is contacted with the household appliance panel bottom plate, and the left positioning and the right positioning of the household appliance panel side plate are realized.
The riveting mechanism comprises a front motor assembly, a rear motor assembly, a front guide rail and screw rod assembly, a left bottom plate, a right bottom plate, a left motor assembly, a right motor assembly, a left guide rail assembly, a right guide rail assembly, a bottom plate and a stamping riveting device. And the riveting front motor assembly and the riveting rear motor assembly are two and are respectively fixed at the left end and the right end of the rack. The riveting front and rear guide rail screw rod assemblies are fixed on the frame, the number of the riveting front and rear guide rail screw rod assemblies is two, the riveting front and rear guide rail screw rod assemblies are respectively connected with the left and right bottom plates for two riveting, and the two riveting front and rear guide rail screw rod assemblies respectively control the left and right bottom plates for two riveting. The riveting left and right motor assemblies are two and are respectively fixed between the two riveting left and right moving bottom plates. Lead screw guide rail assembly about the riveting have two, are fixed in two rivets respectively and remove bottom plate both ends about. The riveting block bottom plates are two, and the lower ends of the riveting block bottom plates are respectively fixed on the sliding blocks in the two riveting left and right screw rod guide rail assemblies. The punching riveting device is provided with two punching riveting devices, the two punching riveting devices are respectively fixed on the upper end surface of the bottom plate of the riveting block and can move left and right along guide rails in the left and right screw rod guide rail assemblies for riveting.
When riveting work is carried out, the household appliance panel bottom plate is placed in the bottom plate positioning mechanism for bottom plate positioning, the household appliance panel side plate is placed in the side plate positioning mechanism for side plate positioning, then the four riveting mechanisms simultaneously start to move along a set route, and riveting of the household appliance panel bottom plate and the household appliance panel side plate is carried out. The four riveting mechanisms work simultaneously, so that the efficiency of connecting the household appliance panels can be fully improved, and the production cost of connecting the household appliance panels is reduced.
Preferably, the stamping riveting device comprises a stamping cylinder fixing beam, a pressure cylinder connecting piece, a stamping female die and a stamping male die. And the stamping cylinder fixing beam is fixed on the riveting block bottom plate. The pressurizing cylinder is fixed on the left end face of the stamping cylinder fixing beam, the extending end of the pressurizing cylinder is in threaded connection with one end of a pressurizing cylinder connecting piece, and the other end of the pressurizing cylinder connecting piece is connected with the stamping male die. The stamping female die is fixed at the right end of the stamping cylinder fixing beam and is opposite to the stamping male die.
Preferably, the pressure cylinder is driven by hydraulic pressure controlled by a pressure switch, and the hydraulic pressure during operation can be freely set. When the household electrical appliance panels made of different materials are punched and riveted, the force required by punching can be freely adjusted.
Preferably, the left end face of the stamping cylinder fixing beam is provided with a guide hole. The pressurizing cylinder connecting piece penetrates through the guide hole and is respectively connected with the extending end of the pressurizing cylinder and the rear end face of the stamping male die, and the pressurizing cylinder connecting piece penetrates through the guide hole when extending out for riveting.
Preferably, the bottom plate front and rear positioning air cylinder assembly comprises a front and rear positioning air cylinder supporting plate, a bottom plate front and rear positioning air cylinder, a front and rear positioning air cylinder bent plate, a front and rear positioning air cylinder pressing plate and a front and rear positioning air cylinder cushion block. The four front and rear positioning cylinder supporting plates are respectively fixed at four corners of the positioning bottom plate. The bottom plate front and back positioning cylinder is fixed below the front and back positioning cylinder supporting plate, the front and back positioning cylinder bent plate is fixed above the front and back positioning cylinder supporting plate, and the inner side face of the front and back positioning cylinder bent plate faces one side of the household appliance panel. The front and rear positioning cylinder pressing plate is connected with the extending end of the front and rear positioning cylinder of the bottom plate. One side of the front and rear positioning cylinder cushion blocks is connected with the inner side of the front and rear positioning cylinder pressing plates. The other side of the front and rear positioning cylinder cushion blocks faces the inner wall of the household appliance panel. When the household appliance panel bottom plate is placed in, the inner side of the household appliance panel bottom plate is in contact with the end face of the front and rear positioning cylinder assembly of the bottom plate, so that the front and rear positioning of the household appliance panel bottom plate is realized.
Preferably, the upper end of the front and rear positioning cylinder bent plate is provided with a chamfer structure, and the inclined surface of the chamfer structure faces to one side of the household appliance panel.
Preferably, the side plate positioning fixture comprises a side plate positioning fixture frame and a sucker, and the side plate positioning fixture frame is connected with the extending ends of the side plate positioning left and right cylinders. The three suckers are respectively positioned at the front end, the middle end and the rear end of the side plate positioning clamp frame, and one side of each sucker with suction faces inwards.
Preferably, the clamping part of the side plate positioning clamp frame is provided with three extension ends, and the extension ends are provided with no material and are of a hollow structure.
Preferably, the riveting mechanism is driven by one or more of an air cylinder, an oil cylinder and a crank-slider mechanism in a mixed manner so as to realize the movement of the riveting mechanism.
In addition, the invention also discloses a riveting method of the household appliance panel, which adopts the device and comprises the following steps:
1) placing the bottom plate of the household appliance panel into a bottom plate positioning mechanism for positioning the bottom plate, and placing the side plate of the household appliance panel into a side plate positioning mechanism for positioning the side plate;
2) the front and back positioning cylinder assembly of the bottom plate acts to complete the front and back positioning of the bottom plate of the household appliance panel, and the left and right positioning cylinders of the bottom plate start to act to complete the left and right positioning of the bottom plate of the household appliance panel;
3) the side plate positioning upper and lower cylinders and the side plate positioning left and right cylinders start to act, and the two household appliance panel side plates are moved to positions which are attached to the side surfaces of the household appliance panel bottom plates;
4) the first driving motor of the bottom plate, the motor assemblies before and after riveting and the motor assemblies after and after riveting act, and the riveting mechanism starts to rivet the household appliance panel according to a certain track;
5) and the bottom plate positioning mechanism, the side plate positioning mechanism and the riveting mechanism return to initial positions to complete the riveting of the household appliance panel bottom plate and the household appliance panel side plate.
The household appliance panel riveting equipment and the household appliance panel riveting method adopting the technical scheme have the advantages that:
1. the riveting mechanism is provided with the pressure cylinder to perform stamping riveting on the panel of the household appliance, so that the surface of the panel of the household appliance is subjected to plastic deformation, the organization is finer, the problem of infirm welding spots of spot welding projection welding is avoided, and the reliability and the connection strength of connection are improved.
2. The riveting mechanism comprises four stamping riveting devices, the four stamping riveting devices move in the front-back direction and the left-right direction on the front-back riveting guide rail screw rod assembly and the left-right riveting guide rail assembly in the riveting process, the four stamping riveting devices rivet the bottom plate of the household appliance panel and the side plate of the household appliance panel at the same time, and the riveting is directly stamped and riveted without preprocessing hole sites during riveting. The riveting efficiency is improved.
3. When the household appliance panel bottom plate is positioned, the bottom plate second driving motor drives the bottom plate lead screw guide rail belt pulley assembly to move so as to adjust the distance between the left positioning cylinder and the right positioning cylinder of the bottom plate, thereby adapting to different widths of the household appliance panel bottom plate, not needing to frequently change a household appliance panel bottom plate positioning die, and being capable of quickly and accurately completing the positioning of various household appliance panel bottom plates.
Drawings
Fig. 1 is a schematic structural view of a household appliance panel riveting apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of the lower part of the bottom plate positioning mechanism.
Fig. 3 is a schematic structural view of the upper part of the bottom plate positioning mechanism.
Fig. 4 is a schematic structural view of the side plate positioning mechanism.
Fig. 5 is a schematic structural view of the riveting mechanism.
Fig. 6 is a schematic structural view of the punch riveting apparatus.
FIG. 7 is a schematic view of the structure of the bottom plate fore-aft positioning cylinder assembly.
Fig. 8 is a schematic structural view of the side plate positioning jig.
Detailed Description
The following describes in detail embodiments of the present invention with reference to the drawings.
Example 1
The riveting equipment for the panel of the household appliance shown in figure 1 comprises a bottom plate positioning mechanism 1, a side plate positioning mechanism 2, a riveting mechanism 3 and a rack 4. The bottom plate positioning mechanism 1, the side plate positioning mechanism 2 and the riveting mechanism 3 are all fixed on the frame 4. The two riveting mechanisms 3 are fixed on the upper end surface of the frame 4 and are respectively positioned on the left side and the right side of the frame 4. The bottom plate positioning mechanism 1 is fixed on the front end face of a middle upright post of the frame 4, and the two side plate positioning mechanisms 2 are fixed above the bottom plate positioning mechanism 1 and are respectively positioned on the left side and the right side of the bottom plate positioning mechanism 1.
As shown in fig. 2 and fig. 3, the bottom plate positioning mechanism 1 includes a bottom plate first driving motor 101, a bottom plate first driving motor base 102, a coupler 103, a bottom plate screw guide rail assembly 104, an upper sliding bottom plate 105, an upper sliding bottom plate reinforcing rib 106, a positioning bottom plate supporting plate 107, a bottom plate second driving motor 108, a bottom plate second driving motor base 109, a bottom plate screw guide rail pulley assembly 110, a positioning bottom plate 111, a positioning bottom plate pushing plate 112, a positioning bottom plate transition support 113, a bottom plate left and right positioning cylinder 114, a bottom plate left and right positioning cylinder cushion block 115, and a bottom plate front and back positioning cylinder assembly 116. The first driving motor base 102 of the bottom plate is fixed at the lower end of the front end face of the middle upright of the frame 4, the first driving motor 101 of the bottom plate is fixed on the first driving motor base 102 of the bottom plate, the lead screw guide rail assembly 104 of the bottom plate is fixed at the front end face of the middle upright of the frame 4 and is positioned above the first driving motor base 102 of the bottom plate, and the first driving motor 101 of the bottom plate is connected with the lead screw guide rail assembly 104 of the bottom plate through a coupler 103. The upper slide base plate 105 is fixed on the slide block of the base plate screw guide rail assembly 104, the outer end surface of the upper slide base plate 105 is parallel to the front end surface of the middle upright post of the machine frame 4, the upper slide base plate 105 can move up and down along the guide rail in the base plate screw guide rail assembly 104, and two upper slide base plate reinforcing ribs 106 are fixed on the front end surface of the upper slide base plate 105 and are respectively positioned at the left side and the right side of the upper slide base plate 105. The lower end face of the positioning bottom plate supporting plate 107 is fixed on the upper sliding bottom plate 105 and the upper sliding bottom plate reinforcing ribs 106, and the upper end face of the positioning bottom plate supporting plate 107 is connected and fixed with the lower end face of the positioning bottom plate 111. The second bottom plate driving motor base 109 is fixed on the lower end face of the positioning bottom plate supporting plate 107, and the second bottom plate driving motor 108 is fixed on the second bottom plate driving motor base 109. The base plate screw guide rail belt pulley assembly 110 is fixed on the upper end surface of the positioning base plate 111 and is connected with the base plate second driving motor 108 through a screw belt pulley. The positioning bottom plate 111 is rectangular, and the four bottom plate front and rear positioning cylinder assemblies 116 are fixed on the positioning bottom plate 111 and are respectively positioned at four corners of the upper end surface of the positioning bottom plate 111. The positioning base plate push plate 112 is fixed on a slide block in the base plate screw guide rail belt pulley assembly 110 and can move left and right along a guide rail in the base plate screw guide rail belt pulley assembly 110. The positioning bottom plate transition support 113 is rectangular, the right end of the positioning bottom plate transition support is fixed on the upper end surface of the positioning bottom plate push plate 112, and the upper end surface of the left end of the positioning bottom plate transition support 113 is connected with the left and right positioning cylinders 114 of the bottom plate. The bottom plate left and right positioning cylinder cushion block 115 is fixed at the extending end of the bottom plate left and right positioning cylinder 114 and can move left and right along the cylinder extending direction.
In the working process of the bottom plate positioning mechanism 1, the bottom plate of the household appliance panel is firstly placed in the front and rear positioning cylinder assembly 116 of the bottom plate, the inner side surface of the bottom plate of the household appliance panel is attached to the inner end surface of the front and rear positioning cylinder assembly 116 of the bottom plate, and the front and rear positioning of the bottom plate of the household appliance panel is completed; the second bottom plate driving motor 108 drives the positioning bottom plate push plate 112 to move to a position corresponding to the width of the bottom plate of the household appliance panel, and the left and right bottom plate positioning cylinders 114 extend to abut against the inner side surface of the bottom plate of the household appliance panel, so that the left and right positioning of the bottom plate of the household appliance panel is completed.
The bottom plate positioning mechanism 1 solves the problem that manual positioning or frequent replacement of the mold positioning at every time is not beneficial to quick and accurate positioning. Through setting up bottom plate front and back location cylinder assembly 116, the chamfer structure in bottom plate front and back location cylinder assembly 116 can let household electrical appliances panel bottom plate fall down rapidly when the household electrical appliances panel bottom plate is put into to location around it has guaranteed the front and back positioning accuracy of household electrical appliances panel bottom plate. The second bottom plate driving motor 108 drives the positioning bottom plate push plate 112 to move to a position corresponding to the width of the bottom plate of the household appliance panel, when the width of the bottom plate of the household appliance panel changes, the distance between the left and right positioning bottom plate push plates 112 can be adjusted, a mold with a corresponding width does not need to be replaced, and the adaptability of the equipment is improved.
As shown in fig. 4, the side plate positioning mechanism 2 includes a side plate positioning bottom plate 21, a side plate positioning upper and lower cylinder 22, a side plate positioning upper and lower cylinder block 23, a side plate positioning upper and lower cylinder guide rod 24, a side plate guide rod ball slide block 25, a side plate guide rod base 26, a side plate positioning left and right cylinder 27, and a side plate positioning jig 28. The side plate positioning bottom plates 21 on the two side plate positioning mechanisms 2 are respectively fixed at the upper end of the upper sliding bottom plate 105 and are distributed in bilateral symmetry; the upper end of the side plate positioning bottom plate 21 is fixedly provided with the side plate positioning upper and lower cylinder seats 23; two side plate positioning upper and lower cylinder guide rods 24 are respectively fixed at the left and right ends below the side plate positioning upper and lower cylinder seats 23; the side plate guide rod ball slide block 25 is embedded in the side plate positioning upper and lower cylinder guide rod 24 and can slide on the side plate positioning upper and lower cylinder guide rod 24. The side plate guide rod base 26 is fixed on the side plate guide rod ball slide block 25. The side plate positioning left and right air cylinders 27 are fixed on the side plate guide rod base 26, the side plate positioning clamp 28 is connected with the extending ends of the side plate positioning left and right air cylinders 27, and one side of the household appliance panel is clamped inwards.
As shown in fig. 5, the riveting mechanism 3 includes a front and rear riveting motor assembly 31, a front and rear riveting guide rail screw assembly 32, a left and right riveting base plate 33, a left and right riveting motor assembly 34, a left and right riveting guide rail assembly 35, a riveting block base plate 36 and a stamping riveting device 37. The riveting front and rear motor assemblies 31 are two and are respectively fixed at the left end and the right end of the frame 4. The riveting front and rear guide rail screw rod assembly 32 is fixed on the frame 4. The riveting front and rear guide rail screw rod assemblies 32 are two, the riveting front and rear guide rail screw rod assemblies 32 are respectively connected with the two riveting left and right moving bottom plates 33, and the two riveting front and rear guide rail screw rod assemblies 32 respectively control the two riveting left and right moving bottom plates 33. The number of the riveting left and right motor assemblies 34 is two, and the riveting left and right motor assemblies are respectively fixed between the two riveting left and right bottom plates 33. The left and right screw rod guide rail assemblies 35 for riveting are two and are respectively fixed at two ends of the left and right moving bottom plates 33 for riveting. The number of the riveting block bottom plates 36 is two, and the lower ends of the riveting block bottom plates 36 are respectively fixed on the sliding blocks in the two riveting left and right screw rod guide rail assemblies 35. The number of the punching riveting devices 37 is two, the two punching riveting devices are respectively fixed on the upper end surface of the riveting block bottom plate 36, and the two punching riveting devices can move left and right along the guide rails in the left and right screw rod guide rail assemblies 35 for riveting. When carrying out riveting work, household electrical appliances panel bottom plate is placed bottom plate positioning mechanism 1 in carry out the bottom plate location, household electrical appliances panel curb plate is placed curb plate positioning mechanism 2 in carry out the curb plate location, then riveting mechanism 3 begins to move along the route of setting for, carries out the riveting of household electrical appliances panel bottom plate and household electrical appliances panel curb plate, then bottom plate positioning mechanism 1, curb plate positioning mechanism 2 and riveting mechanism 3 return to the initial position and conveniently carry out the unloading to the household electrical appliances panel, accomplish the whole process of riveting.
In the working process of the riveting mechanism 3, the two riveting front and rear motor assemblies 31 on each side and the riveting left and right motor assemblies 34 respectively move according to a set track to drive the four punching riveting devices 37 to move simultaneously, and simultaneously, the riveting work is carried out on the left and right side plates and the two stations of the left and right side plates of the bottom plate side plate of the household appliance panel.
The riveting mechanism 3 solves the problems that the rivet connection needs to be processed in advance of hole positions, wastes time and labor and is not beneficial to the rapid and efficient processing of the panel of the household appliance; through motor element 31 around setting up the riveting and motor element 34 about riveting, drive four punching press riveting set 37 respectively and process according to respective orbit to realize four punching press riveting set 37 and rivet the processing to the different positions of household electrical appliances panel simultaneously, improved production efficiency greatly, realized rapid tooling. Meanwhile, the bottom plate of the household appliance panel and the side plate of the household appliance panel are connected by stamping through the stamping riveting device 37, so that rivet fixation is not needed, the process of preprocessing hole positions is omitted, and the production speed is increased.
As shown in fig. 6, the punch riveting apparatus 37 includes a punch cylinder fixing beam 371, a pressure cylinder 372, a pressure cylinder connector 373, a punch female die 374 and a punch male die 375. The stamping cylinder fixing beam 371 is fixed on the riveting block bottom plate 36. The pressure cylinder 372 is fixed on the left end face of the stamping cylinder fixing beam 371, the extending end of the pressure cylinder 372 is in threaded connection with one end of a pressure cylinder connecting piece 373, and the other end of the pressure cylinder connecting piece 373 is connected with a stamping male die 375. The stamping female die 374 is fixed at the right end of the stamping cylinder fixing beam 371 and is opposite to the stamping male die 375. The booster cylinder 372 is driven by oil pressure controlled by a pressure switch, and the oil pressure during operation can be freely set. The left end face of the stamping cylinder fixing beam 371 is provided with a guide hole, and the pressure cylinder connecting piece 373 passes through the guide hole and is respectively connected with the extending end of the pressure cylinder 372 and the rear end face of the stamping male die 375.
In the working process of the stamping and riveting device 37, the stamping and riveting device 37 moves along a set track until the outer end face of the stamping female die 374 is attached to the inner side face of the bottom plate of the household appliance panel, the pressure cylinder 372 extends forwards under the action of pressure oil, and the stamping male die 375 moves forwards along with the extending end of the pressure cylinder 372. When the stamping male die 375 is embedded into the groove on the inner side of the stamping female die 374, the movement is stopped, and the stamping riveting process of the bottom plate and the side plate of the household appliance panel is completed.
The stamping riveting device 37 solves the problems of poor reliability and low connection strength of the connecting plate; the pressurization cylinder 372 is arranged to provide huge driving force for the punching riveting device 37, so that the connection strength is ensured; the process that the stamping male die 375 is embedded into the stamping female die 374 enables the surfaces of the household appliance panel bottom plate and the household appliance panel side plate to be connected together through plastic deformation, and the connected material tissue is finer, so that the household appliance panel bottom plate and the household appliance panel side plate are connected to have higher strength.
As shown in fig. 7, the front and rear positioning cylinder assembly 116 includes a front and rear positioning cylinder support plate 1161, a front and rear positioning cylinder 1162, a front and rear positioning cylinder bending plate 1163, a front and rear positioning cylinder press plate 1164, and a front and rear positioning cylinder cushion block 1165. Four front and rear positioning cylinder support plates 1161 are fixed at four corners of the positioning bottom plate 111. The bottom plate front and rear positioning cylinder 1162 is fixed below the front and rear positioning cylinder support plate 1161. The front and rear positioning cylinder bent plate 1163 is fixed above the front and rear positioning cylinder support plate 1161, and the inner side surface of the front and rear positioning cylinder bent plate faces one side of the household appliance panel. And the front and rear positioning cylinder pressing plate 1164 is connected with the extending end of the bottom plate front and rear positioning cylinder 1162. One side of the front and rear positioning cylinder cushion block 1165 is connected with the inner side of the front and rear positioning cylinder press plate 1164. The other side of the front and rear positioning cylinder cushion block 1165 faces the inner wall of the household appliance panel. The upper end of the front and rear positioning cylinder bent plate 1163 is provided with a chamfer structure, and the inclined plane of the chamfer structure faces one side of the household appliance panel.
As shown in fig. 8, the side panel positioning jig 28 includes a side panel positioning jig frame 281 and a suction cup 282. The side plate positioning clamp frame 281 is connected with the extending ends of the side plate positioning left and right air cylinders 27. Three suction cups 282 are provided at the front, middle and rear ends of the side panel positioning jig frame 281, and the suction cup 282 has a suction side facing inward. The side plate positioning clamp frame 281 is provided with three extension ends at the clamping part, and the middle of the extension ends is not provided with materials and has a hollow structure.
The riveting method of the household appliance panel adopts the household appliance panel riveting equipment, and comprises the following steps:
1) placing the bottom plate of the household appliance panel into the bottom plate positioning mechanism 1 for positioning the bottom plate, and placing the side plate of the household appliance panel into the side plate positioning mechanism 2 for positioning the side plate;
2) the front and back positioning cylinder assembly 116 of the bottom plate acts to complete the front and back positioning of the bottom plate of the household appliance panel, and the left and right positioning cylinder 114 of the bottom plate starts to act to complete the left and right positioning of the bottom plate of the household appliance panel;
3) the side plate positioning upper and lower air cylinders 22 and the side plate positioning left and right air cylinders 27 start to act, and the two household appliance panel side plates are moved to the positions which are attached to the side surfaces of the household appliance panel bottom plates;
4) the first driving motor 101 of the bottom plate, the riveting front and rear motor assemblies 31 and the riveting left and right motor assemblies 34 act, and the riveting mechanism 3 starts riveting the household appliance panel according to a certain track;
5) and the bottom plate positioning mechanism 1, the side plate positioning mechanism 2 and the riveting mechanism 3 return to initial positions to complete the riveting of the household appliance panel bottom plate and the household appliance panel side plate.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention, including any reference to the above-mentioned embodiments. Various modifications to the embodiments will be readily apparent to those skilled in the art. The general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The riveting equipment for the panel of the household appliance is characterized by comprising a bottom plate positioning mechanism (1), a side plate positioning mechanism (2), a riveting mechanism (3) and a rack (4); the bottom plate positioning mechanism (1), the side plate positioning mechanism (2) and the riveting mechanism (3) are all fixed on the rack (4); the two riveting mechanisms (3) are fixed on the upper end surface of the rack (4) and are respectively positioned on the left side and the right side of the rack (4); the bottom plate positioning mechanism (1) is fixed on the front end surface of a middle upright post of the frame (4); the two side plate positioning mechanisms (2) are fixed above the bottom plate positioning mechanism (1) and are respectively positioned at the left side and the right side of the bottom plate positioning mechanism (1);
the side plate positioning mechanism (2) comprises a side plate positioning bottom plate (21), a side plate positioning upper and lower cylinder (22), a side plate positioning upper and lower cylinder seat (23), a side plate positioning upper and lower cylinder guide rod (24), a side plate guide rod ball slide block (25), a side plate guide rod base (26), a side plate positioning left and right cylinder (27) and a side plate positioning clamp (28); the side plate positioning bottom plates (21) on the two side plate positioning mechanisms (2) are respectively fixed at the upper end of the upper sliding bottom plate (105) and are distributed in bilateral symmetry; the upper end of the side plate positioning bottom plate (21) is fixedly provided with the side plate positioning upper and lower cylinder seats (23); two side plate positioning upper and lower cylinder guide rods (24) are respectively fixed at the left and right ends below the side plate positioning upper and lower cylinder seats (23); the side plate guide rod ball sliding block (25) is embedded in the side plate positioning upper and lower cylinder guide rods (24) and can slide on the side plate positioning upper and lower cylinder guide rods (24); the side plate guide rod base (26) is fixed on the side plate guide rod ball sliding block (25), and the side plate positioning left and right air cylinders (27) are fixed on the side plate guide rod base (26); the side plate positioning clamp (28) is connected with the extending ends of the side plate positioning left and right cylinders (27), and one side of the household appliance panel is clamped inwards;
the riveting mechanism (3) comprises a riveting front-rear motor assembly (31), a riveting front-rear guide rail screw rod assembly (32), a riveting left-right moving bottom plate (33), a riveting left-right motor assembly (34), a riveting left-right guide rail assembly (35), a riveting block bottom plate (36) and a stamping riveting device (37); two riveted front and rear motor assemblies (31) are respectively fixed at the left end and the right end of the rack (4); the riveting front and rear guide rail screw rod assemblies (32) are fixed on the rack (4), two riveting front and rear guide rail screw rod assemblies (32) are arranged, the riveting front and rear guide rail screw rod assemblies (32) are respectively connected with two riveting left and right moving bottom plates (33), and the two riveting front and rear guide rail screw rod assemblies (32) respectively control the two riveting left and right moving bottom plates (33); the number of the riveting left and right motor assemblies (34) is two, and the two riveting left and right motor assemblies are respectively fixed between the two riveting left and right bottom plates (33); the number of the left and right screw rod guide rail assemblies (35) is two, and the two screw rod guide rail assemblies are respectively fixed at two ends of the left and right bottom plates (33) which are riveted; the number of the riveting block bottom plates (36) is two, and the lower ends of the riveting block bottom plates (36) are respectively fixed on sliding blocks in two riveting left and right screw rod guide rail assemblies (35); the two stamping riveting devices (37) are respectively fixed on the upper end surface of the riveting block bottom plate (36) and can move left and right along guide rails in the left and right screw rod guide rail assembly (35) in a riveting way;
when riveting work is carried out, the bottom plate of the household appliance panel is placed in the bottom plate positioning mechanism (1) for bottom plate positioning, and the side plate of the household appliance panel is placed in the side plate positioning mechanism (2) for side plate positioning; then the riveting mechanism (3) starts to move along a set route to rivet the bottom plate and the side plate of the household appliance panel; then the bottom plate positioning mechanism (1), the side plate positioning mechanism (2) and the riveting mechanism (3) return to the initial position to conveniently discharge the household appliance panel, and the whole riveting process is completed.
2. The household appliance panel riveting device according to claim 1, wherein the bottom plate positioning mechanism (1) comprises a bottom plate first driving motor (101), a bottom plate first driving motor base (102), a coupler (103), a bottom plate lead screw guide rail assembly (104), an upper sliding bottom plate (105), an upper sliding bottom plate reinforcing rib (106), a positioning bottom plate supporting plate (107), a bottom plate second driving motor (108), a bottom plate second driving motor base (109), a bottom plate lead screw guide rail belt pulley assembly (110), a positioning bottom plate (111), a positioning bottom plate pushing plate (112), a positioning bottom plate transition support (113), a bottom plate left and right positioning cylinder (114), a bottom plate left and right positioning cylinder cushion block (115) and a bottom plate front and rear positioning cylinder assembly (116); the first driving motor base (102) of the bottom plate is fixed at the lower end of the front end face of a middle upright post of the rack (4), the first driving motor (101) of the bottom plate is fixed on the first driving motor base (102) of the bottom plate, the lead screw guide rail assembly (104) of the bottom plate is fixed on the front end face of the middle upright post of the rack (4) and is positioned above the first driving motor base (102) of the bottom plate, and the first driving motor (101) of the bottom plate is connected with the lead screw guide rail assembly (104) of the bottom plate through a coupler (103); the upper sliding bottom plate (105) is fixed on a sliding block of the bottom plate screw rod guide rail assembly (104), the outer end surface of the upper sliding bottom plate (105) is parallel to the front end surface of a middle upright post of the rack (4), and the upper sliding bottom plate (105) can move up and down along a guide rail in the bottom plate screw rod guide rail assembly (104); the two upper sliding bottom plate reinforcing ribs (106) are fixed on the front end face of the upper sliding bottom plate (105) and are respectively positioned on the left side and the right side of the upper sliding bottom plate (105); the lower end face of the positioning bottom plate supporting plate (107) is fixed on the upper sliding bottom plate (105) and the upper sliding bottom plate reinforcing ribs (106), and the upper end face of the positioning bottom plate supporting plate (107) is fixedly connected with the lower end face of the positioning bottom plate (111); the bottom plate second driving motor seat (109) is fixed on the lower end face of the positioning bottom plate supporting plate (107), the bottom plate second driving motor (108) is fixed on the bottom plate second driving motor seat (109), and the bottom plate screw guide rail belt pulley assembly (110) is fixed on the upper end face of the positioning bottom plate (111) and is connected with the bottom plate second driving motor (108) through a screw belt pulley; the positioning bottom plate (111) is rectangular, and the four bottom plate front and rear positioning cylinder assemblies (116) are fixed on the positioning bottom plate (111) and are respectively positioned at four corners of the upper end surface of the positioning bottom plate (111); the positioning base plate push plate (112) is fixed on a slide block in the base plate screw guide rail belt pulley assembly (110) and can move left and right along a guide rail in the base plate screw guide rail belt pulley assembly (110); the positioning bottom plate transition support (113) is rectangular, the right end of the positioning bottom plate transition support is fixed on the upper end surface of the positioning bottom plate push plate (112), and the upper end surface of the left end of the positioning bottom plate transition support (113) is connected with a left and right positioning cylinder (114) of the bottom plate; the bottom plate left and right positioning cylinder cushion blocks (115) are fixed at the extending ends of the bottom plate left and right positioning cylinders (114) and can move left and right along the extending direction of the cylinders.
3. The riveting equipment for panels of household electrical appliances according to claim 1, wherein the punching riveting device (37) comprises a punching cylinder fixing beam (371), a pressure cylinder (372), a pressure cylinder connecting piece (373), a punching female die (374) and a punching male die (375); the stamping cylinder fixing beam (371) is fixed on the riveting block bottom plate (36), the pressure cylinder (372) is fixed on the left end face of the stamping cylinder fixing beam (371), the extending end of the pressure cylinder (372) is in threaded connection with one end of a pressure cylinder connecting piece (373), and the other end of the pressure cylinder connecting piece (373) is connected with the stamping male die (375); the stamping female die (374) is fixed at the right end of the stamping cylinder fixing beam (371) and is opposite to the stamping male die (375).
4. The riveting equipment for panels of household appliances according to claim 3, wherein the left end surface of the stamping cylinder fixing beam (371) is provided with a guide hole; the pressure cylinder connecting piece (373) penetrates through the guide hole and is respectively connected with the extending end of the pressure cylinder (372) and the rear end face of the stamping male die (375).
5. The riveting equipment for panels of household appliances according to claim 2, wherein the bottom plate front and rear positioning cylinder assembly (116) comprises a front and rear positioning cylinder support plate (1161), a bottom plate front and rear positioning cylinder (1162), a front and rear positioning cylinder bent plate (1163), a front and rear positioning cylinder press plate (1164) and a front and rear positioning cylinder cushion block (1165); four front and rear positioning cylinder supporting plates (1161) are respectively fixed at four corners of the positioning bottom plate (111); the bottom plate front and rear positioning cylinder (1162) is fixed below the front and rear positioning cylinder supporting plate (1161); the front and rear positioning cylinder bent plate (1163) is fixed above the front and rear positioning cylinder supporting plate (1161), and the inner side face of the front and rear positioning cylinder bent plate faces one side of the household appliance panel; the front and rear positioning cylinder pressure plate (1164) is connected with the extending end of the bottom plate front and rear positioning cylinder (1162); one side of the front and rear positioning cylinder cushion block (1165) is connected with the inner side of the front and rear positioning cylinder pressing plate (1164); the other side of the front and rear positioning cylinder cushion block (1165) faces the inner wall of the household appliance panel.
6. The appliance panel riveting apparatus according to claim 5, wherein the upper end of the front and rear positioning cylinder bending plate (1163) is provided with a chamfer structure, and the inclined surface of the chamfer structure faces to one side of the appliance panel.
7. The riveting equipment for the panels of the household appliances according to claim 1, wherein the side plate positioning clamp (28) comprises a side plate positioning clamp frame (281) and a suction cup (282), the side plate positioning clamp frame (281) is connected with the extending ends of the left and right side plate positioning air cylinders (27); the three sucking discs (282) are respectively positioned at the front end, the middle end and the rear end of the side plate positioning clamp frame (281), and one side of the sucking disc (282) with suction force faces inwards.
8. A riveting apparatus for panels of household electrical appliances according to claim 7, wherein the clamping portion of the side plate positioning jig holder (281) has three protruding ends without material in the middle, and the protruding ends are hollow.
9. The appliance panel riveting device according to claim 1, wherein the riveting mechanism (3) is driven by one or more of a cylinder, an oil cylinder and a slider-crank mechanism.
10. A method for riveting a household electrical appliance panel, the method using the household electrical appliance panel riveting device of claim 5, the method comprising the steps of:
1) the bottom plate of the household appliance panel is placed in a bottom plate positioning mechanism (1) for positioning the bottom plate, and the side plate of the household appliance panel is placed in a side plate positioning mechanism (2) for positioning the side plate;
2) the front and back positioning cylinder assembly (116) of the bottom plate acts to complete the front and back positioning of the bottom plate of the household appliance panel, and the left and right positioning cylinder (114) of the bottom plate starts to act to complete the left and right positioning of the bottom plate of the household appliance panel;
3) the side plate positioning upper and lower cylinders (22) and the side plate positioning left and right cylinders (27) start to act, and the two household appliance panel side plates are moved to the positions which are attached to the side surfaces of the household appliance panel bottom plates;
4) the first driving motor (101) of the bottom plate, the riveting front and rear motor assemblies (31) and the riveting left and right motor assemblies (34) act, and the riveting mechanism (3) starts to rivet the household appliance panel according to the track;
5) and the bottom plate positioning mechanism (1), the side plate positioning mechanism (2) and the riveting mechanism (3) return to the initial positions to complete the riveting of the household appliance panel bottom plate and the household appliance panel side plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010289962.9A CN111451398B (en) | 2020-04-14 | 2020-04-14 | Household appliance panel riveting equipment and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010289962.9A CN111451398B (en) | 2020-04-14 | 2020-04-14 | Household appliance panel riveting equipment and method |
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| CN111451398A CN111451398A (en) | 2020-07-28 |
| CN111451398B true CN111451398B (en) | 2021-12-14 |
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| GB2029111A (en) * | 1978-07-25 | 1980-03-12 | Gibson S | System for locating nailed connector plates for timber joints |
| CN201618809U (en) * | 2010-02-02 | 2010-11-03 | 上海索菲玛汽车滤清器有限公司 | Press-riveting connection device for hand pump and aluminum seat |
| JP2011104644A (en) * | 2009-11-20 | 2011-06-02 | Keihin Rika Kogyo:Kk | Manual caulking machine for flat battery |
| CN204449603U (en) * | 2014-12-30 | 2015-07-08 | 苏州东鸿瑞包装科技有限公司 | Single point spot welder |
| CN110653391A (en) * | 2019-10-16 | 2020-01-07 | 江阴市茂辉铝业有限公司 | Air conditioner condenser heat dissipation high-performance aluminum profile production device and production method thereof |
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2020
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2029111A (en) * | 1978-07-25 | 1980-03-12 | Gibson S | System for locating nailed connector plates for timber joints |
| JP2011104644A (en) * | 2009-11-20 | 2011-06-02 | Keihin Rika Kogyo:Kk | Manual caulking machine for flat battery |
| CN201618809U (en) * | 2010-02-02 | 2010-11-03 | 上海索菲玛汽车滤清器有限公司 | Press-riveting connection device for hand pump and aluminum seat |
| CN204449603U (en) * | 2014-12-30 | 2015-07-08 | 苏州东鸿瑞包装科技有限公司 | Single point spot welder |
| CN110653391A (en) * | 2019-10-16 | 2020-01-07 | 江阴市茂辉铝业有限公司 | Air conditioner condenser heat dissipation high-performance aluminum profile production device and production method thereof |
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|---|---|
| CN111451398A (en) | 2020-07-28 |
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