CN111590315B - Assembly pre-tightening method for unmanned sweeper - Google Patents
Assembly pre-tightening method for unmanned sweeper Download PDFInfo
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- CN111590315B CN111590315B CN202010482147.4A CN202010482147A CN111590315B CN 111590315 B CN111590315 B CN 111590315B CN 202010482147 A CN202010482147 A CN 202010482147A CN 111590315 B CN111590315 B CN 111590315B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
- B23P21/004—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control the units passing two or more work-stations whilst being composed
- B23P21/006—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control the units passing two or more work-stations whilst being composed the conveying means comprising a rotating table
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
- B62D65/02—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
- B62D65/02—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
- B62D65/022—Transferring or handling sub-units or components, e.g. in work stations or between workstations and transportation systems
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
Abstract
The invention discloses a component pre-tightening method for an unmanned sweeper, which comprises the following steps: 1) placing a plurality of first components on the first storage unit, and placing a plurality of second components on the second storage unit; 2) the first material taking unit takes the first assembly on the first material storage unit, the second assembly is placed on the second alignment unit, and the second alignment unit performs position alignment on the second assembly; 3) the first material taking unit takes the first assembly with the aligned position to a material placing unit of the material feeding mechanism; 4) the second material taking unit takes the second assembly with the aligned position to a material placing unit of the material feeding mechanism; 5) and the pressing cylinder of the pre-tightening mechanism presses the pre-tightening pressing unit to form the assembly. The component pre-tightening method is automatic operation from feeding, position alignment, feeding to pre-tightening pressing, and further, pre-tightening forces of multiple point positions of the component are basically the same, assembly efficiency is high, and defective products of the pre-tightened component are few.
Description
Technical Field
The invention relates to component mounting of an unmanned sweeper, in particular to a component pre-tightening method for the unmanned sweeper.
Background
In the process of component mounting, mostly manual operation from pan feeding to pretension, or for semi-automatic operation, inevitably can have the condition that the pretension is not in place, operating personnel exert oneself inequality promptly, and the subassembly position pretightning force that produces the combination is different, and then more defective products appear, and in addition, manual operation or semi-automatic operation packaging inefficiency.
Therefore, it is an urgent need to provide a method for pre-tightening components for an unmanned sweeping vehicle, which can improve the assembly efficiency of the components and reduce the number of defective products.
Disclosure of Invention
The invention provides a component pre-tightening method for an unmanned sweeper, which is automatic from feeding, position alignment, feeding to pre-tightening pressing, and further has the advantages that the pre-tightening force of a plurality of point positions of a component is basically the same, the assembly efficiency is high, and few defective components of the pre-tightened component are generated.
In order to achieve the above object, the present invention provides a component preloading method for an unmanned sweeper truck, the component preloading method comprising the steps of:
1) placing a plurality of first components on a first storage unit, and placing a plurality of second components on a second storage unit;
2) the first material taking unit takes the first assembly on the first material storage unit, the first assembly is placed on the first alignment unit, and the first alignment unit aligns the position of the first assembly; the second material taking unit takes a second assembly on the second material storage unit, the second assembly is placed on the second alignment unit, and the second alignment unit aligns the position of the second assembly;
3) the first component after the position alignment is taken and placed on the material placing unit of the material feeding mechanism by the first material taking unit, and the first component on the material placing unit is placed on the pre-tightening base by the rotating plate;
4) the second component after the position alignment is taken and placed on the material placing unit of the feeding mechanism by the second material taking unit, and the second component on the material placing unit is placed above the first component by the rotating plate;
5) the pressing cylinder of the component pre-tightening device presses the pre-tightening pressing unit so that the first component and the second component can be combined to form a component;
the component pre-tightening device comprises a supporting bottom plate, a material storing mechanism, a material taking mechanism, an aligning mechanism, a material feeding mechanism and a pre-tightening mechanism, wherein the material taking mechanism, the aligning mechanism, the material feeding mechanism and the pre-tightening mechanism are arranged on the supporting bottom plate; the material storage mechanism is arranged close to the material taking mechanism;
the material storage mechanism comprises a first material storage unit and a second material storage unit; the material taking mechanism comprises a first material taking unit and a second material taking unit, wherein the first material taking unit is arranged close to the first material storing unit, and the second material taking unit is arranged close to the second material storing unit; the aligning mechanism comprises a first aligning unit arranged below the first material taking unit and a second aligning unit arranged below the second material taking unit;
the first material taking unit is used for taking the first components on the first material storage unit, the first components are placed on the first alignment unit for position alignment, and the aligned first components enter the material feeding mechanism through the first material taking unit; the plurality of second assemblies are placed on the second storage unit, the second material taking unit is used for taking the second assemblies on the second storage unit, the second assemblies are placed on the second alignment unit for position alignment, and the aligned second assemblies enter the material feeding mechanism through the second material taking unit; the feeding mechanism can convey the first assembly and the second assembly to the pre-tightening mechanism respectively, so that the pre-tightening mechanism can pre-tighten the first assembly and the second assembly;
the feeding mechanism comprises a material placing unit, a feeding supporting unit, a feeding transition plate and a rotating plate; the feeding support unit is arranged on the support base plate, the feeding transition plate is movably connected to the feeding support unit through a plurality of connecting rods, the rotating plate is connected to the feeding transition plate through a driving motor, and a plurality of suction and pressing pieces are respectively arranged at two ends of the rotating plate; the plurality of pressure suction parts on either end of the rotating plate can convey the first component and the second component placed on the material placing unit to the pre-tightening mechanism;
the pre-tightening mechanism comprises a pre-tightening base, a pre-tightening supporting unit, a pre-tightening transition plate and a pre-tightening pressing unit; the material placing base and the pre-tightening support unit are both arranged on the support base plate, the pre-tightening transition plate is movably arranged on the pre-tightening support unit, a plurality of vertically arranged connecting rods are fixedly connected to the pre-tightening transition plate, one ends of the connecting rods, far away from the pre-tightening transition plate, are connected to a piston rod of a pressing cylinder through cross connecting pieces, the pressing cylinder is arranged on the pre-tightening support unit, and when the piston rod of the pressing cylinder stretches, the connecting rods can be driven to move in the vertical direction, so that the pre-tightening transition plate can move downwards in the vertical direction; the pre-tightening pressing unit is mounted on the pre-tightening transition plate, the rotating plate is provided with a plurality of small through holes matched with the pre-tightening pressing unit, the plurality of suction pressing pieces are respectively mounted on the small through holes in a one-to-one correspondence manner, and when the pre-tightening transition plate moves downwards along the vertical direction, the pre-tightening pressing unit can penetrate through the small through holes to press the first assembly and the second assembly which are arranged on the material placing base;
the first assembly and the second assembly are combined to form an assembly, and the plurality of pressure suction parts can be matched with the assembly holes of the assembly one to one.
Preferably, in step 2) and step 3), the first component on the first material storage unit is taken by the first material taking unit, and the first component with the aligned position is taken by the first material taking unit and placed on the material placing unit of the material taking mechanism, and the first component is taken by two vacuum material taking pieces respectively;
the first material taking unit comprises a first support frame body, a first slide bar, a first material taking frame, a first material taking cylinder, a first material taking transition plate and two vacuum material taking pieces; the first support frame is arranged on the support bottom plate, the first material taking frame is connected to a first sliding strip arranged on the first support frame body in a sliding mode through the first sliding strip, the material taking transition plate is connected to the first material taking frame through the first material taking cylinder, and the two vacuum material taking pieces are arranged at two ends of the first material taking transition plate, so that when the first material taking frame slides along the first sliding strip, the vacuum material taking pieces arranged close to the first material storage unit can take a first component on the first material storage unit and place the first component on the first alignment unit; after the position of the first component is aligned, the vacuum material taking part close to the feeding mechanism takes the first component to the feeding mechanism.
Preferably, after the step 2) and before the step 3), the method further comprises jacking the first assembly through a first alignment jacking block; the first alignment unit comprises a first alignment support, a first photoelectric upper plate, a first photoelectric lower plate, a first alignment side plate and a first alignment jacking block;
the first aligning support and the first aligning side plate are arranged on the supporting bottom plate, the first photoelectric lower plate is connected to the first aligning support in a sliding mode, the first photoelectric upper plate is connected to the first photoelectric lower plate through a fixing block, and a plurality of position sensors are arranged on the first photoelectric upper plate; one end of the first alignment plate is fixedly connected to the first alignment side plate, the other end of the first alignment side plate is provided with a material placing hole, and the first alignment jacking block is arranged right below the material placing hole.
Preferably, in step 1), a plurality of first components are placed on a plurality of first stock poles;
the first material storage unit comprises a plurality of first material storage rods, a first motor and a first material storage disc; the first material storage disc is detachably connected to a driving shaft of the first motor, and a plurality of first material storage rods are arranged on the first material storage disc; a plurality of first components are placed on the first storage rod.
Preferably, in the step 3) and the step 4), the first assembly or the second assembly placed on the material placing plate slides to the position above the material ejecting part and is lifted to a set height through the material ejecting cylinder;
the material placing unit comprises a material placing base, a material placing plate, a material ejecting part and a material ejecting cylinder; the material placing base is installed on the supporting base plate, the material placing plate is connected to the material placing base in a sliding mode, the material ejecting cylinder is installed on the supporting base plate, the material ejecting part is detachably connected to a piston rod of the material ejecting cylinder, so that when the material placing plate slides to the position above the material ejecting part, the material ejecting cylinder can eject the first component or the second component placed on the material placing plate to a set height, and the set height is equal to the height of the material placing base relative to the supporting base plate.
Preferably, in step 3) and step 4), after the plurality of suction and pressing pieces suck the first component or the second component, the plurality of suction and pressing pieces rotate to the position of the material placing base along with the rotating plate.
Preferably, in the step 3) and the step 4), a plurality of screws are fed into the plurality of suction/compression elements;
the pre-tightening pressing unit comprises a plurality of pre-tightening fixing seats, a plurality of pre-tightening fixing vertical plates and a plurality of pre-tightening inner rods; the middle position of the pre-tightening transition plate is provided with a large through hole, a plurality of pre-tightening fixing seats are detachably mounted on the pre-tightening transition plate, one end of each pre-tightening fixing vertical plate penetrates through the large through hole to be connected to the pre-tightening transition plate, the other end of each pre-tightening fixing vertical plate can be in contact connection with the rotating plate, one end of each pre-tightening inner rod penetrates through the large through hole to be connected to the pre-tightening transition plate, the other end of each pre-tightening inner rod can sequentially penetrate through the pre-tightening fixing vertical plate, the small through hole and the pressure absorbing part to be matched with an assembly hole of an assembly, and the pre-tightening inner rod and the pre-tightening fixing vertical plate are vertically arranged;
a feeding and downward pressing cylinder is further arranged on the feeding supporting unit, and a piston rod of the feeding and downward pressing cylinder is detachably connected to the feeding transition plate; a screw plate is further arranged between the feeding transition plate and the rotating plate and connected to the feeding transition plate, a plurality of screw feeding barrels are mounted on the screw plate, and the screw feeding barrels can feed screws into the suction-pressing pieces through the small through holes in a one-to-one correspondence manner; the pressure suction piece is provided with a split.
Preferably, in step 5), a plurality of screws are pressed into the fitting holes of the first component and the fitting holes of the second component so that the first component and the second component can form a component.
According to the technical scheme, the component pre-tightening method for the unmanned sweeper mainly comprises the following steps of: 1) placing a plurality of first components on a first storage unit, and placing a plurality of second components on a second storage unit; 2) the first material taking unit takes the first assembly on the first material storage unit, the first assembly is placed on the first alignment unit, and the first alignment unit aligns the position of the first assembly; the second material taking unit takes a second assembly on the second material storage unit, the second assembly is placed on the second alignment unit, and the second alignment unit aligns the position of the second assembly; 3) the first component after the position alignment is taken and placed on the material placing unit of the material feeding mechanism by the first material taking unit, and the first component on the material placing unit is placed on the pre-tightening base by the rotating plate; 4) the second component after the position alignment is taken and placed on the material placing unit of the feeding mechanism by the second material taking unit, and the second component on the material placing unit is placed above the first component by the rotating plate; 5) and the pressing cylinder of the pre-tightening mechanism presses the pre-tightening pressing unit so that the first assembly and the second assembly can be combined to form the assembly. The pre-tightening method of the assembly is automatic operation from feeding, position alignment, feeding to pre-tightening pressing, furthermore, the pre-tightening force applied to each 'assembly hole' (namely, a 'point position' in the background technology) of the assembly is basically the same, the assembly efficiency is high, and the number of defective products after pre-tightening is small.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a pretensioning machine according to a preferred embodiment of the present invention;
FIG. 2 is a schematic structural view of a pre-tightening machine according to a preferred embodiment of the present invention, at a different angle from that of FIG. 1;
FIG. 3 is a schematic structural view of a pretensioning machine according to a preferred embodiment of the present invention, at a different angle from that of FIGS. 1 and 2;
fig. 4 is a schematic structural diagram of a feeding mechanism of a pre-tightening machine according to a preferred embodiment of the present invention.
Description of the reference numerals
1. Supporting baseplate 2 and pressing cylinder
31. First storage rod 32, first motor
33. First storage tray 5, cross connection spare
6. Connecting rod 10, first assembly
11. Second component 41 and first support frame
42. First slide bar 43 and first material taking frame
44. First material taking cylinder 45 and first material taking transition plate
46. Vacuum material taking part 51 and pre-tightening base
52. Pre-tightening supporting unit 53 and pre-tightening transition plate
54. Pre-tightening fixing seat 55 and pre-tightening fixing vertical plate
56. Pre-tightening inner rod 61 and first alignment support
62. First photoelectric upper plate 63 and first alignment plate
64. First alignment side plate 71, rotating plate
72. Driving motor 73 and material placing base
74. Material placing plate 75 and material ejecting cylinder
76. Ejector 77, material loading support unit
78. Suction casting die 79 and feeding transition plate
7. Screw plate 8 and screw feeding barrel
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the present invention, unless otherwise specified, the directional words "upper, lower, left, right" and the like included in the terms merely represent the orientation of the terms in a conventional use state or are colloquially understood by those skilled in the art, and should not be construed as limiting the terms.
The invention provides a component pre-tightening method for an unmanned sweeper, which comprises the following steps:
1) placing a plurality of first components 10 on a first magazine unit and a plurality of second components 11 on a second magazine unit;
2) the first material taking unit takes the first component 10 on the first material storage unit, the first component 10 is placed on the first alignment unit, and the first alignment unit aligns the position of the first component 10; the second material taking unit takes the second component 11 on the second material storage unit, the second component 11 is placed on the second alignment unit, and the second alignment unit performs position alignment on the second component 11;
3) the first component 10 with the aligned position is taken and placed on a material placing unit of the feeding mechanism by the first material taking unit, and the first component 10 on the material placing unit is placed on the pre-tightening base 51 by the rotating plate 71;
4) the second component 11 with the aligned position is taken and placed on a material placing unit of the feeding mechanism by the second material taking unit, and the second component 11 on the material placing unit is placed above the first component 10 by the rotating plate 71;
5) a pressing cylinder 2 of the component preloading device presses the preloading pressing unit so that the first component 10 and the second component 11 can be combined to form a component;
as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the component pre-tightening device includes a supporting base plate 1, a material storing mechanism, a material taking mechanism, an aligning mechanism, a material feeding mechanism and a pre-tightening mechanism, which are arranged on the supporting base plate 1; the material storage mechanism is arranged close to the material taking mechanism;
the material storage mechanism comprises a first material storage unit and a second material storage unit; the material taking mechanism comprises a first material taking unit and a second material taking unit, wherein the first material taking unit is arranged close to the first material storing unit, and the second material taking unit is arranged close to the second material storing unit; the aligning mechanism comprises a first aligning unit arranged below the first material taking unit and a second aligning unit arranged below the second material taking unit;
a plurality of first assemblies 10 are placed on the first storage unit, the first material taking unit is used for taking the first assemblies 10 on the first storage unit, the first assemblies 10 are placed on the first alignment unit for position alignment, and the aligned first assemblies 10 enter the material feeding mechanism through the first material taking unit; a plurality of second assemblies 11 are placed on the second storage unit, the second material taking unit is used for taking the second assemblies 11 on the second storage unit, the second assemblies 11 are placed on the second alignment unit for position alignment, and the aligned second assemblies 11 enter the material feeding mechanism through the second material taking unit; the feeding mechanism can respectively convey the first assembly 10 and the second assembly 11 to the pre-tightening mechanism, so that the pre-tightening mechanism can pre-tighten the first assembly 10 and the second assembly 11;
the feeding mechanism comprises a material placing unit, a feeding supporting unit 77, a feeding transition plate 79 and a rotating plate 71; the material placing unit and the feeding supporting unit 77 are both arranged on the supporting base plate 1, the feeding transition plate 79 is movably connected to the feeding supporting unit 77 through a plurality of connecting rods, the rotating plate 71 is connected to the feeding transition plate 79 through a driving motor 72, and a plurality of suction and pressing pieces 78 are respectively arranged at two ends of the rotating plate 71; the plurality of suction/pressing members 78 on either end of the rotating plate 71 are capable of carrying the first module 10 and the second module 11 placed on the placing unit to the pre-tightening mechanism;
the pre-tightening mechanism comprises a pre-tightening base 51, a pre-tightening supporting unit 52, a pre-tightening transition plate 53 and a pre-tightening pressing unit; the material placing base 73 and the pre-tightening support unit 52 are both arranged on the support base plate 1, the pre-tightening transition plate 53 is movably arranged on the pre-tightening support unit 52, the pre-tightening transition plate 53 is fixedly connected with a plurality of vertically arranged connecting rods 6, one ends of the connecting rods 6 far away from the pre-tightening transition plate 53 are connected to a piston rod of a pressing cylinder 2 through cross connectors 5, the pressing cylinder 2 is arranged on the pre-tightening support unit 52, and when the piston rod of the pressing cylinder 2 stretches, the connecting rods 6 can be driven to move in the vertical direction, so that the pre-tightening transition plate 53 can move downwards in the vertical direction; the pre-tightening pressing unit is mounted on the pre-tightening transition plate 53, a plurality of small through holes matched with the pre-tightening pressing unit are formed in the rotating plate 71, the plurality of pressure absorbing parts 78 are respectively mounted on the plurality of small through holes in a one-to-one correspondence manner, and when the pre-tightening transition plate 53 moves downwards along the vertical direction, the pre-tightening pressing unit can penetrate through the plurality of small through holes to press the first assembly 10 and the second assembly 11 arranged on the material placing base 73;
the first assembly 10 and the second assembly 11 are combined to form an assembly, and the plurality of suction/pressure parts 78 can be respectively matched with the assembly holes of the assembly in a one-to-one correspondence manner.
The invention aims to provide a component pre-tightening method for an unmanned sweeper, which mainly comprises the following steps: 1) placing a plurality of first components 10 on a first magazine unit and a plurality of second components 11 on a second magazine unit; 2) the first material taking unit takes the first component 10 on the first material storage unit, the first component 10 is placed on the first alignment unit, and the first alignment unit aligns the position of the first component 10; the second material taking unit takes the second component 11 on the second material storage unit, the second component 11 is placed on the second alignment unit, and the second alignment unit performs position alignment on the second component 11; 3) the first component 10 with the aligned position is taken and placed on a material placing unit of the feeding mechanism by the first material taking unit, and the first component 10 on the material placing unit is placed on the material placing base 73 by the rotating plate 71; 4) the second component 11 with the aligned position is taken and placed on a material placing unit of the feeding mechanism by the second material taking unit, and the second component 11 on the material placing unit is placed above the first component 10 by the rotating plate 71; 5) the pressing cylinder 2 of the pretensioner mechanism presses the pretensioner pressing unit so that the first module 10 and the second module 11 can be combined to form a module. The pre-tightening method of the assembly is automatic operation from feeding, position alignment, feeding to pre-tightening pressing, furthermore, the pre-tightening force applied to each 'assembly hole' (namely, a 'point position' in the background technology) of the assembly is basically the same, the assembly efficiency is high, and the number of defective products after pre-tightening is small.
In a preferred embodiment of the present invention, in step 2) and step 3), the first component 10 on the first storage unit is taken by the first material taking unit, and the first component 10 with the aligned position is taken by the first material taking unit onto the material placing unit of the material taking mechanism, so that the first component 10 is taken by two vacuum material taking members 46 respectively; the first material taking unit comprises a first support frame body 41, a first slide bar 42, a first material taking frame 43, a first material taking cylinder 44, a first material taking transition plate 45 and two vacuum material taking pieces 46; the first support frame 41 is arranged on the support base plate 1, the first material taking frame 43 is slidably connected to a first slide bar 42 arranged on the first support frame 41 through the first slide bar 42, the material taking transition plate is connected to the first material taking frame 43 through the first material taking cylinder 44, and two vacuum material taking pieces are arranged at two ends of the first material taking transition plate 45, so that when the first material taking frame 43 slides along the first slide bar 42, the vacuum material taking piece 46 arranged close to the first material storage unit can take the first component 10 on the first material storage unit and place the first component 10 on the first alignment unit; after the position of the first component 10 is aligned, the vacuum take-off 46 near the feeding mechanism takes the first component 10 to the feeding mechanism.
In this way, the vacuum picking member arranged close to the first magazine unit can pick the first component 10 from the first magazine unit to the first alignment unit for position alignment, which is convenient for the assembly holes of the first component 10 to be better matched with the assembly holes of the second component 11; the first assembly 10 with the aligned position is taken to the feeding mechanism through a vacuum taking piece close to the feeding mechanism; similarly, the second material taking unit also has the same structural component arrangement, and the detailed description is omitted here.
In a preferred embodiment of the present invention, after step 2) and before step 3), the method further comprises jacking the first component 10 by using a first alignment jacking block; the first alignment unit comprises a first alignment bracket 61, a first photoelectric upper plate 62, a first photoelectric lower plate, a first alignment plate 63, a first alignment side plate 64 and a first alignment jacking block; the first alignment bracket 61 and the first alignment side plate 64 are both arranged on the support base plate 1, the first photoelectric lower plate is slidably connected to the first alignment bracket 61, the first photoelectric upper plate 62 is connected to the first photoelectric lower plate through a fixing block, and a plurality of position sensors are arranged on the first photoelectric upper plate 62; one end of the first alignment plate 63 is fixedly connected to the first alignment side plate, the other end of the first alignment side plate is provided with a material placing hole, and the first alignment jacking block is arranged right below the material placing hole.
Here, the vacuum material taking part 46 takes the first component 10 from the first storage unit into the material placing hole, the current position of the first component 10 is judged under the action of the first photoelectric upper plate 62 and the first photoelectric lower plate, then the first aligning jacking block jacks and rotates the first component 10 to a set position, whether the first component 10 rotates to the set position is judged through a plurality of position sensors, and the set position is such that the first component 10 is matched with the assembly hole, the second component 11 is matched with the assembly hole and the plurality of pressure suction parts 78, so that the pressing of the pre-tightening pressing unit is facilitated.
Likewise, the second alignment unit and the first alignment unit have the same structural component arrangement, and are not described in detail here.
In a preferred embodiment of the present invention, in step 1), a plurality of first assemblies 10 are placed on a plurality of first stock poles 31; the first storage unit comprises a plurality of first storage rods 31, a first motor 32 and a first storage disc 33; the first storage tray 33 is detachably connected to a driving shaft of the first motor 32, and a plurality of first storage rods 31 are mounted on the first storage tray 33; a plurality of first modules 10 are placed on the first stock bar 31. In this way, when the driving shaft of the first motor 32 rotates, the first magazine 33 rotates, and thus the first stock bars 31 can rotate, that is, the plurality of first stock bars 31 can rotate to the position where the vacuum take-out member 46 of the first take-out unit takes out the material. Here, the first modules 10 on the first stock bar 31 are arranged in the largest possible number, so as to reduce the material taking time as much as possible.
Similarly, the second magazine unit and the first magazine unit have the same structural component arrangement, and will not be described in detail here.
In a preferred embodiment of the present invention, in step 3) and step 4), the first module 10 or the second module 11 placed on the material placing plate 74 is slid to above the ejector 76 and is raised to a set height by the ejector cylinder 75;
the material placing unit comprises a material placing base 73, a material placing plate 74, a material ejecting piece 76 and a material ejecting cylinder 75; the material placing base 73 is installed on the supporting base plate 1, the material placing plate 74 is slidably connected to the material placing base 73, the material ejecting cylinder 75 is installed on the supporting base plate 1, and the material ejecting member 76 is detachably connected to a piston rod of the material ejecting cylinder 75, so that when the material placing plate 74 slides above the material ejecting member 76, the material ejecting cylinder 75 can eject the first component 10 or the second component 11 placed on the material placing plate 74 to a set height, and the set height should be the same as the height of the material placing base 73 relative to the supporting base plate 1.
Therefore, the material placing plate 74 is connected to the material placing base 73 in a sliding mode, and when the first assembly 10 or the second assembly 11 is placed on the material placing plate 74, the material placing plate 74 slides to the position above the material ejecting piece 76 along the material placing base 73; and in order to facilitate the taking of the materials by the plurality of suction/pressing members 78, the material ejecting cylinder 75 ejects the first module 10 or the second module 11 to a set height, that is, a height at which the plurality of suction/pressing members 78 can absorb the first module 10 or the second module 11, where the set height is a height of the material placing base 73 relative to the support base 1. And the material ejecting member 76 is mainly used for keeping stability in the material ejecting process, and the middle of the material placing plate 74 is hollow, so that the material ejecting process is not convenient to keep stability.
In a preferred embodiment of the present invention, in step 3) and step 4), the plurality of suction/pressing members 78 suck the first module 10 or the second module 11 and then rotate to the position of the material placing base 73 along with the rotating plate 71.
Preferably, in step 3) and step 4), a plurality of screws are fed into the plurality of suction presses 78;
the pre-tightening pressing unit comprises a plurality of pre-tightening fixing seats 54, a plurality of pre-tightening fixing vertical plates 55 and a plurality of pre-tightening inner rods 56; a large through hole is formed in the middle of the pre-tightening transition plate 53, the pre-tightening fixing seats 54 are detachably mounted on the pre-tightening transition plate 53, one end of each pre-tightening fixing vertical plate 55 penetrates through the large through hole to be connected to the pre-tightening transition plate 53, the other end of each pre-tightening fixing vertical plate can be in contact connection with the rotating plate 71, one end of each pre-tightening inner rod 56 penetrates through the large through hole to be connected to the pre-tightening transition plate 53, the other end of each pre-tightening inner rod 56 can sequentially penetrate through the pre-tightening fixing vertical plate 55, the small through hole and the pressure absorbing and pressing part 78 to be matched with an assembly hole of an assembly, and the pre-tightening inner rods 56 and the pre-tightening fixing vertical plates 55 are vertically arranged;
a feeding and downward pressing cylinder is further arranged on the feeding supporting unit 77, and a piston rod of the feeding and downward pressing cylinder is detachably connected to the feeding transition plate 79; a screw plate 7 is further arranged between the feeding transition plate 79 and the rotating plate 71, the screw plate 7 is connected to the feeding transition plate 79, a plurality of screw feeding barrels 8 are mounted on the screw plate 7, and the screw feeding barrels 8 can feed screws to the suction and pressing pieces 78 through the small through holes in a one-to-one correspondence manner; the suction/pressure member 78 is provided with a slit.
Like this, when the cab apron 53 is crossed in the pretension of pressing cylinder 2 downward pressure, the piston rod detachably of material loading down the air cylinder connects on the cab apron 79 is crossed to the pan feeding to the cab apron 79 passes through driving motor 72 and connects on rotor plate 71, can guarantee the stability of pressing like this, further guarantees that the atress of a plurality of pilot holes of a plurality of subassemblies is even. In addition, the suction/pressure member 78 is provided with slits, so that the plurality of pretensioning inner rods 56 can press screws arranged on the plurality of suction/pressure members 78 into the plurality of assembly holes, thereby further ensuring the efficiency of assembly.
Further preferably, in step 5), a plurality of screws are pressed into the fitting holes of the first component and the fitting holes of the second component to enable the first component and the second component to form an assembly.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (7)
1. A method of pre-tensioning a component for an unmanned sweeper, the method comprising the steps of:
1) placing a plurality of first components (10) on a first storage unit and a plurality of second components (11) on a second storage unit;
2) the first material taking unit takes the first assembly (10) on the first material storage unit, the first assembly (10) is placed on the first alignment unit, and the first alignment unit aligns the position of the first assembly (10); the second material taking unit takes a second assembly (11) on the second material storage unit, the second assembly (11) is placed on the second alignment unit, and the second alignment unit aligns the position of the second assembly (11);
3) the first material taking unit takes and places the first assembly (10) with the aligned position onto a material placing unit of the material feeding mechanism, and the rotating plate (71) places the first assembly (10) on the material placing unit onto the pre-tightening base (51);
4) the second component (11) with the aligned position is taken and placed on a material placing unit of the feeding mechanism by a second material taking unit, and the second component (11) on the material placing unit is placed above the first component (10) by a rotating plate (71);
5) a pressing cylinder (2) of the component pre-tightening device presses the pre-tightening pressing unit so that the first component (10) and the second component (11) can be combined to form a component;
the component pre-tightening device comprises a supporting bottom plate (1), a material storage mechanism, a material taking mechanism, an alignment mechanism, a material feeding mechanism and a pre-tightening mechanism, wherein the material taking mechanism, the alignment mechanism, the material feeding mechanism and the pre-tightening mechanism are arranged on the supporting bottom plate (1); the material storage mechanism is arranged close to the material taking mechanism;
the material storage mechanism comprises a first material storage unit and a second material storage unit; the material taking mechanism comprises a first material taking unit and a second material taking unit, wherein the first material taking unit is arranged close to the first material storing unit, and the second material taking unit is arranged close to the second material storing unit; the aligning mechanism comprises a first aligning unit arranged below the first material taking unit and a second aligning unit arranged below the second material taking unit;
the multiple first assemblies (10) are placed on the first storage unit, the first material taking unit is used for taking the first assemblies (10) on the first storage unit, the first assemblies (10) are placed on the first alignment unit for position alignment, and the aligned first assemblies (10) enter the material feeding mechanism through the first material taking unit; the plurality of second assemblies (11) are placed on the second storage unit, the second material taking unit is used for taking the second assemblies (11) on the second storage unit, the second assemblies (11) are placed on the second alignment unit for position alignment, and the aligned second assemblies (11) enter the material feeding mechanism through the second material taking unit; the feeding mechanism can respectively convey the first assembly (10) and the second assembly (11) to the pre-tightening mechanism, so that the pre-tightening mechanism can pre-tighten the first assembly (10) and the second assembly (11);
the feeding mechanism comprises a material placing unit, a feeding supporting unit (77), a feeding transition plate (79) and a rotating plate (71); the material placing unit and the feeding supporting unit (77) are arranged on the supporting base plate (1), the feeding transition plate (79) is movably connected to the feeding supporting unit (77) through a plurality of connecting rods, the rotating plate (71) is connected to the feeding transition plate (79) through a driving motor (72), and a plurality of sucking and pressing pieces (78) are respectively arranged at two ends of the rotating plate (71); a plurality of suction and pressing pieces (78) on either end of the rotating plate (71) can convey the first assembly (10) and the second assembly (11) placed on the material placing unit to the pre-tightening mechanism;
the material placing unit comprises a material placing base (73), a material placing plate (74), a material ejecting part (76) and a material ejecting cylinder (75); the material placing base (73) is installed on the supporting base plate (1), the material placing plate (74) is connected to the material placing base (73) in a sliding mode, the material ejecting cylinder (75) is installed on the supporting base plate (1), the material ejecting piece (76) is detachably connected to a piston rod of the material ejecting cylinder (75), so that when the material placing plate (74) slides to the position above the material ejecting piece (76), the material ejecting cylinder (75) can eject the first component (10) or the second component (11) placed on the material placing plate (74) to a set height, and the set height is the same as the height of the material placing base (73) relative to the supporting base plate (1);
the pre-tightening mechanism comprises a pre-tightening base (51), a pre-tightening supporting unit (52), a pre-tightening transition plate (53) and a pre-tightening pressing unit; the material placing base (73) and the pre-tightening supporting unit (52) are arranged on the supporting base plate (1), the pre-tightening transition plate (53) is movably mounted on the pre-tightening supporting unit (52), a plurality of vertically arranged connecting rods (6) are fixedly connected onto the pre-tightening transition plate (53), one ends, far away from the pre-tightening transition plate (53), of the connecting rods (6) are connected onto a piston rod of the pressing cylinder (2) through cross connectors (5), the pressing cylinder (2) is arranged on the pre-tightening supporting unit (52), and when the piston rod of the pressing cylinder (2) stretches out and draws back, the connecting rods (6) can be driven to move in the vertical direction, so that the pre-tightening transition plate (53) can move downwards in the vertical direction; the pre-tightening pressing unit is mounted on the pre-tightening transition plate (53), a plurality of small through holes matched with the pre-tightening pressing unit are formed in the rotating plate (71), the plurality of pressure absorbing and pressing pieces (78) are mounted on the small through holes in a one-to-one correspondence mode respectively, and when the pre-tightening transition plate (53) moves downwards along the vertical direction, the pre-tightening pressing unit can penetrate through the small through holes to press the first assembly (10) and the second assembly (11) arranged on the material placing base (73);
the first assembly (10) and the second assembly (11) are combined to form an assembly, and the plurality of suction and pressing pieces (78) can be matched with assembly holes of the assemblies in a one-to-one correspondence mode;
in the steps 3) and 4), the first assembly (10) or the second assembly (11) placed on the material placing plate (74) slides to the upper part of the material ejecting part (76) and is lifted to a set height through the material ejecting air cylinder (75).
2. The component preloading method according to claim 1, characterized in that in step 2) and step 3), the first picking unit picks the first component (10) on the first magazine unit and the first picking unit picks the aligned first component (10) to the material placing unit of the picking mechanism by respectively picking the first component (10) through two vacuum picking members (46);
the first material taking unit comprises a first support frame body (41), a first sliding strip (42), a first material taking frame (43), a first material taking cylinder (44), a first material taking transition plate (45) and two vacuum material taking pieces (46); the first supporting frame body (41) is arranged on the supporting base plate (1), the first material taking frame (43) is connected to a first sliding strip (42) arranged on the first supporting frame body (41) in a sliding mode through the first sliding strip (42), the material taking transition plate is connected to the first material taking frame (43) through the first material taking cylinder (44), and the two vacuum material taking pieces are arranged at two ends of the first material taking transition plate (45), so that when the first material taking frame (43) slides along the first sliding strip (42), the vacuum material taking pieces (46) close to the first material storing unit can take the first component (10) on the first material storing unit and place the first component (10) on the first aligning unit; after the position of the first component (10) is aligned, the vacuum material taking part (46) close to the feeding mechanism takes the first component (10) to the feeding mechanism.
3. The method of pre-tensioning an assembly according to claim 2, characterized in that after step 2) and before step 3), it further comprises jacking the first assembly (10) by means of a first aligning jacking block; the first alignment unit comprises a first alignment support (61), a first photoelectric upper plate (62), a first photoelectric lower plate, a first alignment plate (63), a first alignment side plate (64) and a first alignment jacking block;
the first alignment bracket (61) and the first alignment side plate (64) are arranged on the support base plate (1), the first photoelectric lower plate is connected to the first alignment bracket (61) in a sliding mode, the first photoelectric upper plate (62) is connected to the first photoelectric lower plate through a fixing block, and a plurality of position sensors are arranged on the first photoelectric upper plate (62); one end of the first alignment plate (63) is fixedly connected to the first alignment side plate, the other end of the first alignment side plate is provided with a material placing hole, and the first alignment jacking block is arranged right below the material placing hole.
4. The method for preloading modules according to claim 1, wherein in step 1), a plurality of first modules (10) are placed on each of a plurality of first stock bars (31);
the first storage unit comprises a plurality of first storage rods (31), a first motor (32) and a first storage disc (33); the first material storage disc (33) is detachably connected to a driving shaft of the first motor (32), and a plurality of first material storage rods (31) are arranged on the first material storage disc (33); a plurality of first components (10) are placed on the first storage rod (31).
5. The component preloading method according to claim 1, wherein, in step 3) and step 4), the plurality of suction/pressing members (78) suck the first component (10) or the second component (11) and then rotate to the position of the material placing base (73) following the rotating plate (71).
6. The method of preloading an assembly as claimed in claim 1, further comprising, in steps 3) and 4), feeding a plurality of screws into a plurality of suction/pressure elements (78);
the pre-tightening pressing unit comprises a plurality of pre-tightening fixing seats (54), a plurality of pre-tightening fixing vertical plates (55) and a plurality of pre-tightening inner rods (56); a large through hole is formed in the middle of the pre-tightening transition plate (53), the pre-tightening fixing seats (54) are detachably mounted on the pre-tightening transition plate (53), one end of each pre-tightening fixing vertical plate (55) penetrates through the large through hole to be connected to the pre-tightening transition plate (53), the other end of each pre-tightening fixing vertical plate can be in contact connection with the rotating plate (71), one end of each pre-tightening inner rod (56) penetrates through the large through hole to be connected to the pre-tightening transition plate (53), the other end of each pre-tightening inner rod can sequentially penetrate through the pre-tightening fixing vertical plate (55), the small through hole and the suction and compression piece (78) to be matched with an assembly hole of an assembly, and the pre-tightening inner rod (56) and the pre-tightening fixing vertical plate (55) are both vertically arranged;
a feeding and downward pressing cylinder is further arranged on the feeding supporting unit (77), and a piston rod of the feeding and downward pressing cylinder is detachably connected to the feeding transition plate (79); a screw plate (7) is further arranged between the feeding transition plate (79) and the rotating plate (71), the screw plate (7) is connected to the feeding transition plate (79), a plurality of screw feeding barrels (8) are mounted on the screw plate (7), and the plurality of screw feeding barrels (8) can feed screws into the plurality of pressure absorbing pieces (78) through the plurality of small through holes in a one-to-one correspondence manner; the pressure suction piece (78) is provided with a split.
7. Method for pre-tensioning components according to claim 6, characterized in that in step 5) a plurality of screws are pressed into the assembly holes of the first component (10) and the assembly holes of the second component (11) in order to enable the first component (10) and the second component (11) to form a component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010482147.4A CN111590315B (en) | 2020-05-29 | 2020-05-29 | Assembly pre-tightening method for unmanned sweeper |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010482147.4A CN111590315B (en) | 2020-05-29 | 2020-05-29 | Assembly pre-tightening method for unmanned sweeper |
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| CN111590315A CN111590315A (en) | 2020-08-28 |
| CN111590315B true CN111590315B (en) | 2021-08-03 |
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