WO2021230625A1 - Appareil et procédé de fabrication de tuyau extensible télescopique pour aspirateur - Google Patents

Appareil et procédé de fabrication de tuyau extensible télescopique pour aspirateur Download PDF

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Publication number
WO2021230625A1
WO2021230625A1 PCT/KR2021/005892 KR2021005892W WO2021230625A1 WO 2021230625 A1 WO2021230625 A1 WO 2021230625A1 KR 2021005892 W KR2021005892 W KR 2021005892W WO 2021230625 A1 WO2021230625 A1 WO 2021230625A1
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WO
WIPO (PCT)
Prior art keywords
guide
inner tube
tube
pipe
telescopic extension
Prior art date
Application number
PCT/KR2021/005892
Other languages
English (en)
Korean (ko)
Inventor
윤미나
Original Assignee
광동하이텍 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 광동하이텍 주식회사 filed Critical 광동하이텍 주식회사
Publication of WO2021230625A1 publication Critical patent/WO2021230625A1/fr

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/24—Hoses or pipes; Hose or pipe couplings
    • A47L9/242—Hose or pipe couplings
    • A47L9/244—Hose or pipe couplings for telescopic or extensible hoses or pipes
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/24—Hoses or pipes; Hose or pipe couplings
    • A47L9/242—Hose or pipe couplings
    • A47L9/246—Hose or pipe couplings with electrical connectors
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/24—Hoses or pipes; Hose or pipe couplings
    • A47L9/248—Parts, details or accessories of hoses or pipes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D23/00—Producing tubular articles
    • B29D23/001—Pipes; Pipe joints
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/22—Tubes or pipes, i.e. rigid

Definitions

  • the present invention relates to an apparatus for manufacturing a telescopic extension tube for a vacuum cleaner and a method therefor, and more particularly, to a manufacturing method for automating the manufacturing process of a telescopic extension tube composed of an outer tube and an inner tube, and by simplifying the complicated manufacturing process of the telescopic extension tube. It relates to an apparatus and method for manufacturing a telescopic extension tube for a vacuum cleaner that can reduce manufacturing costs as well as shorten manufacturing time.
  • a telescopic extension tube for a vacuum cleaner includes an exterior, an inner tube movably inserted into the exterior, and a locking bundle installed to penetrate a wall surface of the exterior and locking the exterior and the inner tube to be mutually fixed and, the inner tube is composed of a main body forming an air passage in the longitudinal direction, and a sub tube body that is separated from the main body by a dividing plate and forms an electric wire passage in the longitudinal direction.
  • the telescopic extension tube for a vacuum cleaner configured as described above must perform an assembly process of various bracket parts to be combined when assembling the inner tube and the outer tube, and this bracket assembly process is performed manually by an operator There is a problem in that the precision and efficiency of the work is inevitably reduced because the telescopic extension tube has a high assembly defect rate, so the manufacturing cost and manufacturing time of the telescopic extension tube are inevitably increased.
  • Korean Patent Registration No. 10-1302139 discloses a technology related to a method for manufacturing a flexible hose in which a conduit is fused to a flexible hose configured in a vacuum cleaner.
  • bar-type telescopic extension tubes are mainly used, and in particular, since wires must be installed, it is necessary to check whether the manufactured telescopic extension tube has sealing power and whether it is energized. There is an urgent need for improvement.
  • an object of the present invention is to provide an apparatus and method for manufacturing a telescopic extension tube for a vacuum cleaner that can improve a worker's working environment.
  • the inner tube assembly portion for coupling the pipe guide to one side of the outer circumferential surface of the inner tube, temporarily assembling the guide bracket, and coupling the connecting tube and the tip end cap to the other side; a guide assembly part receiving and fixing the inner tube to which the pipe guide is coupled, forming a riveting part on an outer circumferential surface of the fixed inner tube so that the guide bracket is fixed to the inner tube, and coupling the guide bracket to the pipe guide; a silicone applicator for applying silicone to the inner and outer circumferential surfaces of the connector; an exterior assembly unit for manufacturing a telescopic extension tube by coupling the inner tube coated with silicone to the outer tube and the connecting tube of the supplied inner tube, and combining the rear end cap and the connecting cap with the other side of the outer tube; an energization and sealing inspection unit for simultaneously performing an energization test and a test for airtightness of the telescopic extension tube; and an appearance inspection unit for performing an appearance inspection of the
  • the guide assembly portion the upper one side and the other side, and a base frame in which the rail member is configured in a vertical direction from the upper one side, respectively; a guide holder coupled to a rail member configured on an upper side of the base frame, the end of the pipe guide being fixed, and moving along the rail member to push the pipe guide toward the guide bracket; a coupling guide portion coupled to the rail member, configured to be spaced apart from the guide holder by a predetermined distance, and configured to move the guide bracket toward the pipe guide; an inner tube fixing part configured at a position opposite to the guide mounting part and connected to the coupling guide part to fix the end of the connection pipe and at the same time move the coupling guide part; an elastic pressing part configured to the coupling guide part and moving the coupling guide part when the inner tube fixing part is driven; an inner tube adhesion guide portion configured between the inner tube fixing portion and the coupling guide portion, and to which an end of the connecting tube is in close contact; and a riveting forming unit coupled to a
  • the guide mounting portion includes a mounting frame for fixing one side of the inner tube, a first cylinder connected to a rear portion of the mounting frame, and pushing one side of the inner tube in the axial direction, A first transport block coupled to the lower portion of the cradle frame and a first transport guide member configured under the first transport block and coupled to the rail member to guide the movement of the cradle frame.
  • the inner tube fixing part includes a second cylinder, a protrusion guide part connected to the second cylinder, and the protrusion guide part extending from the protrusion guide part, and when the protrusion guide part moves, the end of the connection pipe It characterized in that it comprises a second transfer block and a second transfer guide member coupled to the fixing protrusion inserted into the protrusion guide portion, the protrusion guide portion moving along the rail member.
  • a method for manufacturing a telescopic extension tube using an apparatus for manufacturing a telescopic extension tube for a vacuum cleaner comprising: manufacturing an inner tube and an outer tube; By supplying the manufactured inner tube to the inner tube assembly unit through the transfer unit, only the wire channel and the pipe guide are coupled to one end of the inner tube, the guide bracket is inserted, and the connecting tube and the wire end cap are coupled to the other end of the inner tube.
  • a guide assembly step of fixing the semi-assembled inner tube to a guide mounting portion and a coupling guide portion, forming a riveting portion on an outer peripheral surface of the inner tube, and then coupling the pipe guide and the guide bracket;
  • a silicone coating step of supplying the inner tube to a silicone coating unit to apply a certain amount of silicone to the inner and outer peripheral surfaces of the connecting tube;
  • the guide assembling step comprises the steps of fixing the inner tube to the guide mounting portion and the coupling guide portion; driving the inner tube adhesion guide to bring the end of the connector coupled to the other side of the inner tube into close contact, and contacting the guide bracket to the coupling guide portion; driving the riveting forming unit to form a riveting unit on the outer circumferential surface of the inner tube between the pipe guide and the guide bracket; and when the formation of the riveting part is completed, restoring the inner tube close contact guide part and the riveting forming part to their original positions, respectively, and coupling the pipe guide and the guide bracket while pushing the inner tube fixing part and the guide mounting part respectively; characterized by including.
  • the manufacturing cost of the telescopic extension tube can be reduced by simplifying the complicated manufacturing process of the extension tube, and there is an effect that can shorten the manufacturing time.
  • FIG. 1 is a view schematically showing an apparatus for manufacturing a telescopic extension tube for a vacuum cleaner according to an embodiment of the present invention
  • FIG. 2 is a view showing a telescopic extension tube manufactured using the apparatus for manufacturing a telescopic extension tube for a vacuum cleaner according to an embodiment of the present invention
  • FIG. 3 is a perspective view showing a guide assembly of the apparatus for manufacturing a telescopic extension tube for a vacuum cleaner according to an embodiment of the present invention
  • 4 and 5 are a front view and a rear view showing a guide assembly according to an embodiment of the present invention.
  • FIG. 6 to 8 are views schematically showing the operation process of the apparatus for manufacturing a telescopic extension tube for a vacuum cleaner according to an embodiment of the present invention
  • FIG. 9 is a flowchart illustrating a method for manufacturing a telescopic extension tube for a vacuum cleaner using the apparatus for manufacturing a telescopic extension tube for a vacuum cleaner according to an embodiment of the present invention.
  • the inner tube assembly unit 100 for coupling the pipe guide 12 to one side of the outer circumferential surface of the inner tube 10, temporarily assembling the guide bracket 14, and coupling the connecting tube 20 and the tip end cap 32 to the other side;
  • the inner tube 10 to which the pipe guide 12 is coupled is supplied and fixed, and a riveting part is formed on the outer circumferential surface of the fixed inner tube 10 so that the guide bracket 14 is fixed to the inner tube 10, , a guide assembly 200 for coupling the guide bracket 14 with the pipe guide 12; a silicone applicator 300 for applying silicone to the inner and outer circumferential surfaces of the connector 20;
  • the inner tube 10 coated with silicone is supplied, and the connecting tube 20 and the outer tube 30 of the supplied inner tube 10 are coupled, and the rear end cap 34 is connected to the other side of the outer tube 30 .
  • the apparatus for manufacturing a telescopic extension tube for a vacuum cleaner of the present invention includes a pipe guide 12 and a guide bracket 14 connected to the inner tube 10 on one outer circumferential side of the inner tube 10.
  • the inner tube assembly part 100 to be temporarily assembled, and the guide assembly part 200 for completely assembling the pipe guide 12 and the guide bracket 14 of the inner tube 10, which are first assembled through the inner tube assembly part 100, and , a silicone applicator 300 for applying silicone to the inner and outer circumferential surfaces of the inner tube 10 to which the pipe guide 12 and the guide bracket 14 are assembled, and the inner tube 10 coated with silicone are supplied.
  • the inner tube assembly unit 100 is supplied with an inner tube 10 manufactured through an inner tube manufacturing unit (not shown), and is connected to a handle portion connected to a flexible hose or the body of a vacuum cleaner to one side of the supplied inner tube 10, , the pipe guide 12 for fixing one end of the wire channel 16 to the inner pipe 10 is coupled.
  • the inner tube assembly unit 100 inserts the guide bracket 14 configured to form a solid coupling between the pipe guide 12 and the inner tube 10 to position it in the rear portion of the pipe guide 12 .
  • the inner tube assembly part 100 arranges the wire channel 16 in the recess 10a formed on the upper circumferential surface, and inserts the pipe guide 12 in the state in which the wire channel 16 is disposed to insert the inner tube 10 ) is fixedly coupled to the tip of one side, and then the guide bracket 14 is inserted so as to be assembled by the guide assembly unit 200 .
  • the inner tube assembly unit 100 is configured to be assembled by combining only the wire channel 16 and the pipe guide 12
  • the guide bracket 14 is configured so that only a simple insertion operation is performed.
  • a jig 110 the fixing jig 110 has the inner tube 10 is seated, the seating jig 112 for fixing both ends of the seated inner tube 10 and parts to be assembled, for example, a pipe guide (12), a guide bracket 14, a wire channel 16, etc. are provided, so as to move the provided parts to the seating jig 112 side, a driving motor, a driving cylinder, etc., comprising a driving means such as transporting parts
  • means 120 may be made of means 120 .
  • the present invention is not limited thereto, and as long as an easy coupling between the inner tube 10 and each of the components 12, 14, 16 can be made, the assembly can be made through various devices within a range that a person skilled in the art can predict. is of course
  • the present invention is not limited thereto, and according to the shape of the telescopic extension tube 40 , the coupling of the connecting tube 20 and the tip end cap 32 is assembled after the silicone is applied through the silicone application unit 300 to be described later. It may be configured to do this.
  • the inner tube 10 which has been first assembled from the inner tube assembly unit 100, is supplied through the transfer unit 700, and after fixing the supplied inner tube 10, the guide bracket 14 is attached to the inner tube. It is a component that is coupled to the outer circumferential surface of (10) and at the same time makes a close coupling between the pipe guide (12) and the guide bracket (14).
  • the guide assembly unit 200 fixes the inner tube 10 on which the primary assembly is made, and forms a riveting portion formed of a riveting groove on the outer circumferential surface so that the guide bracket 14 is installed on the inner tube. (10) and the pipe guide 12 as a component to be able to be coupled, the guide mounting portion 210, the coupling guide portion 220, the support frame 230, the inner tube fixing portion 240, the inner tube close contact guide It is configured to include a part 250 , a riveting forming part 260 and an elastic pressing part 270 .
  • the guide assembly part 200 is configured with a base frame 202 to which each component constituting the guide assembly part 200 is mounted, and the base frame 202 has a guide holder 210 and a coupling guide part ( 220), the inner tube fixing portion 240, and the riveting forming portion 260 are each independently configured with a rail member 204 for guiding so that the bidirectional movement is made.
  • the guide mounting portion 210 , the coupling guide portion 220 , the inner tube fixing portion 240 and the riveting forming portion 260 are coupled to the rail member 204 and sequentially according to the assembly order of the inner tube 10 . It is configured to be moved.
  • the guide mounting part 210 fixes one side of the inner tube 10, that is, the part comprising the pipe guide 12 and the guide bracket 14, and at the same time, after the formation of the riveting part is completed, the pipe guide While pushing (12) toward the guide bracket (14), the guide bracket (14) is coupled to the inner tube (10) at the riveting part and at the same time serves to couple the pipe guide (12) to the guide bracket (14).
  • This guide holder 210 is connected to the rear portion of the mounting frame 214 and the mounting frame 214 for fixing one side of the inner tube 10 seated on the coupling guide 220 and the support frame 230, A first cylinder 212 for pushing one side of the fixed inner tube 10 in the axial direction of the inner tube 10, and a first transfer block 216 and a first transfer block coupled to the lower portion of the mounting frame 214 ( It is configured in the lower portion of the 216 and is coupled to the rail member 204 and is configured to include a first transfer guide member 218 for guiding the movement of the mounting frame 214 .
  • the mounting frame 214 is configured such that the rear portion is connected to the shaft member of the first cylinder 212 so that the axial movement of the inner tube 10 is made according to whether the first cylinder 212 is operated.
  • the mounting frame 214 is the pipe guide 12 while the first transfer block 216 and the first transfer guide member 218 move along the rail member 204 when the first cylinder 212 is driven.
  • the inner tube 10 is moved in the axial direction.
  • the coupling guide unit 220 is configured to be spaced apart from the mounting frame 214 of the guide mounting unit 210 by a predetermined interval, and has an open upper portion to be seated on the outer circumferential surface of the inner tube 10 , and when the inner tube 10 is seated
  • the guide bracket 14 is configured to be positioned on one side thereof, and is configured to move toward the pipe guide 12 side when the inner tube fixing part 240 is driven.
  • the coupling guide 220 moves the guide bracket 14 in close contact with the inner tube support 222 to the pipe guide 12 side, and the guide holder 210 guides the fixed pipe guide 12 . It is configured to move toward the bracket 14 to be coupled to each other.
  • the coupling guide unit 220 is coupled to the conveying shaft 226, and when the conveying shaft 226 is axially moved by the driving of the inner tube fixing unit 240, the conveying guide panel 224 is pressed by It is preferable that the elastic pressing part 270 to allow the guide bracket 14 to move toward the pipe guide 12 is further configured.
  • the elastic pressing unit 270 is configured to surround the outer circumferential surface of the pressing panel 272 fixedly coupled to the conveying shaft 226 and the conveying shaft 226, and a coupling guide part ( It is composed of an elastic body 274 that presses the inner tube support 222 of the 220 and the transfer guide panel 224 to move along the rail member 204 .
  • the elastic body 274 is configured to be compressed when the inner tube support 222 and the transfer guide panel 224 are pressed, and compressed when the second transfer block 246 of the inner tube fixing unit 240 is restored to its original position.
  • it may be formed of a conventional spring member, but is not limited thereto.
  • the support frame 230 is configured between the coupling guide 220 and the inner tube close contact guide 250 , and the outer peripheral surface of the connector 20 connected to the rear portion of the inner tube 10 is seated and supported.
  • the upper portion is formed to be open, and the tube coupling groove may be formed on both sides of the open upper portion so that the outer circumferential surface of the connecting tube 20 can be coupled by fitting.
  • the inner tube fixing part 240 is configured at a position opposite to the guide mounting part 210 , and is configured to be connected to the coupling guide part 220 by the transfer shaft 226 , and the pipe guide 12 and the guide bracket 14 . ), while moving along the rail member 204, fixes the end of the connecting pipe 20 and at the same time moves the coupling guide 220 toward the guide holder 210 side.
  • the inner tube fixing unit 240 is connected to a second cylinder 242 that provides a predetermined power so that the inner tube fixing unit 240 moves, and the shaft member of the second cylinder 242, and the second cylinder ( 242) is formed to extend in front of the protrusion guide part 244 and the protrusion guide part 244 in which the shaft member moves in the axial direction depending on whether the shaft member is driven, and the connection pipe 20 when the protrusion guide part 244 moves.
  • the fixing protrusion 244a for fixing the connecting pipe 20 to the inner pipe fixing part 240 while being inserted into the end of the and a second transport for guiding the movement of the protrusion guide part 244 along the rail member 204 is made. It is composed of a block 246 and a second transfer guide member 248 .
  • the inner tube fixing part 240 is configured to drive after the close contact panel 256 of the inner tube close contact guide part 250 to be described later is driven after the retracting operation is made, so that the interference between the fixing protrusion 244a and the close contact panel 256 is reduced. configured to not occur.
  • the inner tube close contact guide 250 is a rear portion of the inner tube 10 fixed to the guide holder 210 and the support frame 230 , that is, the end of the connecting tube 20 is in close contact with the outer periphery of the inner tube 10 .
  • the riveting part is formed on one side, it serves to fix the position of the inner tube 10 .
  • the inner tube close contact guide 250 is driven when the inner tube 10 is seated and fixed to the guide holder 210 and the support frame 230, and is perpendicular to the axial direction of the second cylinder 242 when driven. It is driven in the direction, coupled to the third cylinder 252 and the base frame 202, which provides power for driving, and guides the movement of the close contact panel 256 when the third cylinder 252 is driven.
  • the close contact support frame 254 and the close contact support frame 254 pass through, and the end of the connection pipe 20 is in close contact with the third cylinder 252 being driven into and out of the close contact support frame 254 while being drawn in and out. It is composed of a close contact panel (256).
  • the guide bracket 14 is connected to the outer peripheral surface of the fixed inner tube 10 by a riveting coupling method.
  • the riveting part By forming the riveting part so as to be fixed to the inner tube 10 , it is configured to move in a vertical direction from the axial direction of the inner tube 10 along the rail member 204 .
  • the riveting forming unit 260 includes a riveting forming member 265 that forms a riveting unit on the outer circumferential surface of the inner tube 10 and an air supply unit 267 that supplies a predetermined compressed air when the riveting unit is formed,
  • a fourth cylinder 262 , a third transfer block 266 and a third transfer guide member 268 are configured to move the riveting forming member 265 and the air supply unit 267 toward the outer peripheral surface of the inner tube 10 . .
  • the fourth cylinder 262 , the third transfer block 266 and the third transfer guide member 268 are mounted on the base frame 202 in a direction perpendicular to the axial direction of the inner tube 10 ,
  • One cylinder 212 , the first transfer block 216 , and the first transfer guide member 218 are formed in the same shape and are configured to move along the rail member 204 .
  • the inner tube 10 in which the coupling of the pipe guide 12 and the guide bracket 14 is completed by the guide assembly unit 200, is supplied through the transfer unit 700, and the supplied inner tube 10
  • a fixing jig 310 for fixing the inner tube 10 is configured, and the inner tube fixed to the fixing jig 310 by applying silicone to the inner and outer surfaces of the outer tube 30 so as to be easily coupled with the outer tube 30 .
  • the application driving means 330 may include a storage tank in which the silicone is stored, and a pump connected to the storage tank, and an injection nozzle and a pump for injecting a predetermined amount of silicone into the silicone application means 320 .
  • the application driving means 330 further comprises a cylinder member for the insertion and extraction of the silicone application means 320 .
  • the exterior assembly unit 400 is a component in which the inner tube 10 coated with silicone is supplied through the transfer unit 700 , and the supplied inner tube 10 and the outer tube 30 are combined.
  • This exterior assembly unit 400 may be implemented through the operation of components such as the guide mounting unit 210, the coupling guide unit 220, and the inner tube fixing unit 240 of the guide assembly unit 200 described above. , Preferably, after mounting the inner tube 10 and the outer tube 30 to the plurality of coupling guide parts 220 located on the coaxial line, respectively, by driving the cylinder member to push the plurality of coupling guide parts 220, respectively, the inner tube
  • the combination of (10) and the exterior (30) may be configured to be made.
  • the exterior assembly part 400 is coupled to the tip end cap 32 configured in the inner tube 10 by a fitting method at the one end of the exterior 30, and is coupled with the tip terminal cap 32.
  • the telescopic extension tube 40 is manufactured by coupling the rear end closing cap 34 and the connecting cap 36 to the front end of the other end side of the exterior 30 .
  • the energization and sealing inspection unit 500 is to perform an energization inspection and an inspection on whether the airtightness of the telescopic extension tube 40 in which the inner tube 10 and the outer tube 30 are combined through the exterior assembly unit 400, and in the present invention, It is configured to reduce the time consumed in the inspection by simultaneously performing the inspection for energization and sealing.
  • the appearance inspection unit 600 performs an inspection on the assembly state and surface state of the telescopic extension tube 40 that has been inspected for energization and airtightness, and inspects the defective state of the telescopic extension tube 40, and the defective object is Only the telescopic extension tube 40 corresponding to the complete product that has not occurred is discharged so that the packaging is made.
  • Such an appearance inspection unit 600 may be inspected by the naked eye, but is not limited thereto, and may be configured to be inspected through image capturing of each unit and analysis of the captured image.
  • a transfer unit 700 that connects each part of the present invention, transfers the inner tube 10 and the outer tube 30, and transfers and discharges the assembled telescopic extension tube 40 is further configured, and the transfer unit ( 700) may be made of a conventional conveyor belt system, but is not limited thereto.
  • the present invention is a method for manufacturing a telescopic extension tube using a telescopic extension tube manufacturing apparatus for a vacuum cleaner, as shown in FIG.
  • the application step (S140), the exterior assembly step (S150), and the inspection step (S160) are sequentially performed.
  • the tube body manufacturing step (S110) is a step of manufacturing the inner tube 10 and the outer tube 30 constituting the telescopic extension tube 40, a groove 10a and an expansion tube portion 10b on the outer peripheral surface of the inner tube 10 through the inner tube manufacturing unit. ) and the inner tube manufacturing step of forming the fitting projection (10c) is performed.
  • the tube body manufacturing step (S110) performs an exterior manufacturing step of assembling the exterior 30 constituting the outer shape of the telescopic extension tube 40, and the exterior manufacturing step includes the shape of the exterior 30 by extrusion and a circular shape at the bottom. It is manufactured so that the sliding movement of the inner tube 10 is achieved, and a space in which the wire channel 16 is accommodated is formed in the upper part of the outer tube 30 , and thereafter, the lock bundle passes through the upper side of the outer tube 30 .
  • This is a step for forming a coupling hole to which is coupled.
  • the manufactured inner tube 10 is supplied to the inner tube assembly unit 100 through the transfer unit 700 to one end of the inner tube 10 with the wire channel 16 and the pipe guide 12 only. It is a step of assembling so that assembly by coupling is made, and the guide bracket 14 is only inserted into a simple operation.
  • the inner tube half assembly step (S120) further performs the step of coupling the connecting tube 20 and the front end cap 32 to the other end of the inner tube 10.
  • the guide assembly step (S130) is performed after the inner tube semi-assembly step (S120), and the inner tube 10 supplied through the transfer unit 700 is fixed, and the inner tube between the pipe guide 12 and the guide bracket 14 ( 10)
  • a riveting forming step of forming a riveting part on the outer circumferential surface is performed.
  • the inner tube 10 is seated on the guide mounting part 210, the coupling guide part 220 and the support frame 230 of the guide assembly part 200 when the riveting forming step is performed. .
  • the inner tube close contact guide 250 is driven so that the end of the connecting pipe 20 coupled to the inner tube 10 is in close contact with the close contact panel 256 by the drawing operation of the close contact panel 256, and the pipe After fixing the guide 12 to the guide holder 210 , the coupling guide 220 and the guide bracket 14 are maintained in contact with each other.
  • the riveting part is formed on the outer peripheral surface of the inner tube 10 between the pipe guide 12 and the guide bracket 14 by driving the riveting forming part 260 .
  • the inner tube close contact guide part 250 and the riveting formation part 260 are driven to restore to their original positions, respectively. That is, the inner tube close contact guide 250 allows the close contact panel 256 to be pulled in, and the riveting forming unit 260 moves along the rail member 204 to be spaced apart from the inner tube 10 at a predetermined interval. it will be done
  • the guide assembly step ( S130 ) when the position restoration of the inner tube close contact guide part 250 and the riveting forming part 260 is completed, the inner tube fixing part 240 and the guide mounting part 210 are driven while the pipe guide is respectively driven. While pushing (12) and the guide bracket 14, a step is performed so that the coupling is made by the fitting coupling method.
  • the inner tube fixing portion 240 pushes the coupling guide portion 220 so that only the guide bracket 14 moves along the outer circumferential surface of the inner tube 10 toward the pipe guide 12 , and the guide holder 210 ) pushes the pipe guide 12 and the inner tube 10 toward the guide bracket 14 so that the pipe guide 12 and the guide bracket 14 are coupled.
  • the inner tube 10 transferred through the transfer unit 700 is supplied to the silicone application unit 300 so that a certain amount of silicon is applied to the inner and outer peripheral surfaces of the inner tube 10.
  • a certain amount of silicon is applied to the inner and outer peripheral surfaces of the inner tube 10.
  • the exterior assembly step (S150) is to assemble the silicone-coated inner tube 10 and the exterior 30, and the tip end of the exterior 30 is fitted to the tip closing cap 32 configured in the interior tube 10. After the coupling with the front end barnacle cap 32 is completed, the rear end closing cap 34 and the connecting cap 36 are coupled to the other end side of the exterior 30 to connect the telescopic extension tube 40. This is the manufacturing step.
  • the inspection step (S160) is to be performed after the exterior assembly step (S150), and the telescopic extension tube 40 is inspected for energization and airtightness at the same time, and the telescopic extension tube 40 that has passed the energization test and airtightness inspection
  • coupling guide portion 230 support frame

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
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  • Automatic Assembly (AREA)

Abstract

La présente invention comprend : une unité d'assemblage de tuyau intérieur pour accoupler un guide de tuyau à un côté de la surface circonférentielle extérieure d'un tuyau intérieur, assembler provisoirement un support de guidage et accoupler un tuyau extensible et un capuchon d'extrémité de bord avant à l'autre côté ; une unité d'assemblage de guidage qui reçoit et fixe le tuyau intérieur, auquel le guide de tuyau est accouplé, ce qui permet au support de guidage d'être fixé sur le tuyau intérieur et qui accouple le support de guidage au guide de tuyau ; une unité d'application de silicone pour appliquer de la silicone sur la surface circonférentielle intérieure et la surface circonférentielle extérieure d'un tuyau de raccordement ; une unité d'assemblage de tuyau extérieur qui accouple le tuyau de raccordement du tuyau intérieur à un tuyau extérieur et accouple un capuchon d'extrémité de bord arrière et un capuchon de raccordement à l'autre côté du tuyau extérieur de façon à fabriquer un tuyau extensible télescopique ; une unité d'inspection de flux électrique et d'inspection d'étanchéité pour effectuer simultanément une inspection du flux électrique et de l'étanchéité sur le tuyau extensible télescopique ; et une unité d'inspection d'aspect extérieur pour effectuer une inspection de l'aspect extérieur du tuyau extensible télescopique.
PCT/KR2021/005892 2020-05-11 2021-05-11 Appareil et procédé de fabrication de tuyau extensible télescopique pour aspirateur WO2021230625A1 (fr)

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