CN117001137A - Split quick-change cutter for friction stir welding of motor casing and replacement method - Google Patents
Split quick-change cutter for friction stir welding of motor casing and replacement method Download PDFInfo
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- CN117001137A CN117001137A CN202311232742.2A CN202311232742A CN117001137A CN 117001137 A CN117001137 A CN 117001137A CN 202311232742 A CN202311232742 A CN 202311232742A CN 117001137 A CN117001137 A CN 117001137A
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- 238000003756 stirring Methods 0.000 title claims abstract description 98
- 238000003466 welding Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000003860 storage Methods 0.000 claims description 38
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 20
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 20
- 241001330002 Bambuseae Species 0.000 claims description 20
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 20
- 239000011425 bamboo Substances 0.000 claims description 20
- 239000012634 fragment Substances 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 8
- 238000009826 distribution Methods 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 125000003003 spiro group Chemical group 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims 1
- 230000007246 mechanism Effects 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 240000005002 Erythronium dens canis Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/1245—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding characterised by the apparatus
- B23K20/1255—Tools therefor, e.g. characterised by the shape of the probe
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/1245—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding characterised by the apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/26—Auxiliary equipment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention relates to the technical field of friction stir welding cutters, in particular to a split quick-change cutter for friction stir welding of a motor shell and a replacement method, comprising a clamping thick column, wherein two ends of the clamping thick column are connected with half bodies, one ends of the half bodies, which are far away from the clamping thick column, are connected with stirring pins in a threaded manner, the stirring pins and the cutter bodies are connected into a whole in the traditional technology, the whole cutter is required to be taken down from a movable clamping mechanism on a machine tool during replacement.
Description
Technical Field
The invention relates to the technical field of friction stir welding cutters, in particular to a split quick-change cutter for friction stir welding of a motor casing and a replacement method.
Background
The friction stir welding utilizes the high temperature generated by friction between a welding friction head rotating at a high speed and a workpiece to locally plasticize a welded material, when the friction head moves forward along a welding surface, the plasticized material flows from the front part to the rear part of the friction head under the action of the rotating friction force of the friction head, and forms a compact and uniform solid-phase welding seam under the extrusion of the friction head.
When the welding tool in the prior art is replaced, the tool handle is required to be removed by pressing the tool loosening switch on the main shaft of the equipment, and the tool is replaced on the tool table, if the tool handle is not required to be removed any more, the stirring needle is directly switched by a small-size wrench, so that the tool replacing efficiency can be greatly improved, the tool replacing time is saved, and the split quick-change tool for the friction stir welding of the motor shell and the replacing method are provided.
Disclosure of Invention
The invention aims to provide a split quick-change cutter for friction stir welding of a motor casing and a replacement method, which are used for solving the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a motor casing friction stir welding is with components of a whole that can function independently quick change formula cutter, includes the thick post of centre gripping, the thick post both ends of centre gripping all are connected with the half body portion, the one end spiro union that the thick post of centre gripping was kept away from to the half body portion has the stirring needle, the half body portion includes half body shell, driving piece, direction spare, power spare, first prism and screens piece, half body shell includes the round platform of drum and drum one end body coupling, stirring needle one end inserts the screw hole of seting up on the round platform of half body shell through the fixed double-screw bolt, it has driving piece, direction spare and power spare to distribute in the drum of half body shell, one side of driving piece distributes there is the direction spare, and the opposite side transmission of driving piece is connected with the power spare, and first prism runs through the middle part of driving piece, direction spare and power spare respectively, and the prismatic one end slip of first prism inserts in the prismatic tank that the stirring needle double-screw bolt tip was seted up, half body shell drum other end is fixed on the thick post of centre gripping, and half body shell and the butt joint department of centre gripping thick post distributes the screens piece, screens piece card location control driving piece.
Preferably, the direction piece includes Y type piece, carousel and first shell fragment that resets, be fixed with two symmetrical distribution's Y type pieces on the drum inner wall of half body shell, two Y type piece cooperation centre gripping carousels, the carousel edge protrusion is to the arc wall of seting up on the Y type piece in, one side of carousel is fixed with two symmetrical distribution's first shell fragment that resets, and the one end of first shell fragment that resets is fixed on first prism, and first prism slides the prism hole of seting up in the middle part of the carousel.
Preferably, the driving piece includes a section of thick bamboo spare, holds a power section of thick bamboo, clockwork spring and arc baffle, hold a power section of thick bamboo slip cap in the drum of half body shell, hold both sides of a power section of thick bamboo and all be fixed with arc baffle, arc baffle fixes on half body shell, holds a power section of thick bamboo and evenly encircle on one side inner wall and be equipped with the dogtooth, holds a power section of thick bamboo and power transmission connection, and a section of thick bamboo spare distributes and holds a power section of thick bamboo middle part, and is connected with clockwork spring between a section of thick bamboo spare and the power section of thick bamboo, a section of thick bamboo spare one end and screens piece joint.
Preferably, the cylinder part comprises a J-shaped sliding column and a prismatic sliding cylinder, a plurality of J-shaped sliding columns are fixedly arranged at the outer part of one end of the prismatic sliding cylinder in a butt joint mode, the J-shaped sliding columns are arranged in the prismatic sliding cylinder in a sliding mode, the end portion of the inner ring of the spring is fixed on the prismatic sliding cylinder, and the end portion of the outer ring of the spring is fixed on the inner wall of the power storage cylinder.
Preferably, the power piece includes power device, band pulley pouring weight, guide ring section of thick bamboo and location book post, guide ring section of thick bamboo ring is established in the drum of half body shell, fixedly connected with location book post between the drum of guide ring section of thick bamboo and half body shell, and it has the band pulley pouring weight to distribute between the drum of guide ring section of thick bamboo and half body shell, has offered the arc plate hole on the casing of guide ring section of thick bamboo one side, and arc plate hole department distributes power device, power device transmission control holds a section of thick bamboo, guide ring section of thick bamboo shape is the barrel, and barrel both sides edge turns up.
Preferably, the clamping piece comprises a second reset spring and a clamping body, the clamping body comprises a disc, a circular ring and a short column fixed between the disc and the circular ring, one end of the J-shaped sliding column is inserted into a through hole formed in the disc of the clamping body in a sliding mode, two symmetrically distributed second reset spring plates are fixed on one side, facing the clamping thick column, of the clamping body, the second reset spring plates are supported between the clamping body and the clamping thick column, a ring body of the clamping body is distributed outside the half shell, and the short column of the clamping body is movably arranged in a plate hole formed in the cylinder of the half shell.
Preferably, the force generating device comprises a first gear, a second gear, a first pressurizing worm, a first shaft, a shaft bracket, a second pressurizing worm and a swinging component, wherein one end of the first gear is meshed with the convex teeth on the force storage cylinder, the other end of the first gear is meshed with the first pressurizing worm for transmission, one end of the first shaft is fixed on the first gear, one end of the first pressurizing worm is fixed with the second gear, the second gear is meshed with the spiral teeth on the second pressurizing worm, one end of the shaft body on the second pressurizing worm is connected with the swinging component, one end of the shaft bracket is fixed on the half shell, and the shaft bodies on the first shaft, the first pressurizing worm and the second pressurizing worm are respectively sleeved in three through holes formed in the shaft bracket.
Preferably, the swing assembly comprises a J-shaped elastic piece, a one-way gear, an arc-shaped cover plate, a cross support, a C-shaped elastic piece and a swing body, wherein the swing body is supported by a shaft body on the second pressurizing worm, the swing body is stirred in the surrounding motion of the belt pulley weight block relative to the guide ring cylinder, the C-shaped elastic piece is distributed inside the guide ring cylinder, one end of the C-shaped elastic piece elastically supports the swing body, the other end of the C-shaped elastic piece is fixed on the cross support, one end of the cross support is fixed on the shaft bracket, the one-way gear is fixed at the end part of the second pressurizing worm, one side of the one-way gear is provided with the arc-shaped cover plate, one end of the arc-shaped cover plate is fixed on the swing body, and the J-shaped elastic piece is distributed between the arc-shaped cover plate and the one-way gear.
Preferably, the swinging body comprises an arc plate and a cylinder body with one end fixed to the arc plate, the cylinder body of the swinging body is sleeved on the shaft body of the second pressurizing worm, the arc plate of the swinging body is distributed in an arc plate hole of the guide ring cylinder, and the teeth of the unidirectional gear are in a right-angle plate shape.
A method for replacing a split quick-change cutter for friction stir welding of a motor casing comprises the following steps:
step one: the worker presses the clamping piece by using the tool, the driving piece applies force to control the first prism to rotate, and the first prism drives the stirring pin to rotate the extending part from the half shell;
step two: taking down the stirring pin, and continuing to rotate the stirring pin by using a tool until the stirring pin is completely separated from the half body shell by a worker;
step three: the stirring pin is installed, a worker rotates and inserts a new stirring pin to the half body shell, and after the first prism is automatically inserted into the prism groove of the stirring pin, the worker cannot continuously rotate the stirring pin, and the assembly is completed at the moment;
step four: and in the working process of the friction welding, the tool automatically stores the force, and the stored force is used for the next tool replacement work.
Compared with the prior art, the invention has the beneficial effects that:
1. the stirring needle and the blade are connected into a whole in the prior art, the whole cutter is required to be taken down from the movable clamping mechanism of the machine tool during replacement, the stirring needle can be directly taken down from the blade body in a rotating way, and the force storage mechanism in the blade body is forced once in advance, if the corrosion of the screw joint of the stirring needle and the blade body is small or no, the force storage mechanism enables the stirring needle to smoothly rotate to extend out, the rest workers can save effort to rotate the stirring needle, if the corrosion is serious, the pressure in the blade body in the initial stage of rotation can assist the rotating force of the workers, so that the stirring needle is easy to take down, and the problem of corrosion blocking is solved.
2. The invention automatically completes the power storage work when the cutter is in friction welding work, except the belt pulley weight, all devices on the cutter synchronously rotate, and the belt pulley weight is not moved due to inertia, so that the belt pulley weight impacts the power generation device for many times, the power generation device drives the power storage cylinder, the power storage cylinder rotates to cause the spring to shrink the power storage, and the clamping body is pushed to release the power in the process of taking down the stirring pin, thereby assisting workers to take down the stirring pin in a labor-saving way.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic view of a half body structure.
FIG. 3 is a schematic view of the position of the stirring pin.
Fig. 4 is a schematic view of the structure of the direction member.
Fig. 5 is a schematic view of a driving member structure.
Fig. 6 is a schematic diagram of the power member structure.
Fig. 7 is a schematic view of a structure of a detent.
Fig. 8 is a schematic view of a structure of a fixture.
Fig. 9 is a schematic diagram of a force generating device.
Fig. 10 is a schematic diagram of the pendulum position.
Fig. 11 is a schematic view of a first gear position.
Fig. 12 is a schematic view of a first booster worm position.
In the figure: the clamping thick column 1, the half body 2, the stirring pin 3, the half body shell 4, the driving piece 5, the direction piece 6, the power piece 7, the first prism 8, the clamping piece 9, the Y-shaped block 10, the rotary table 11, the first reset elastic piece 12, the barrel 13, the power storage barrel 14, the spring 15, the arc baffle 16, the J-shaped sliding column 17, the edge sliding barrel 18, the force generating device 19, the belt pulley weight 20, the guide ring barrel 21, the positioning folding column 22, the second reset elastic piece 23, the clamping body 24, the first gear 25, the second gear 26, the first booster worm 27, the first shaft 28, the shaft bracket 29, the second booster worm 30, the swinging component 31, the J-shaped elastic piece 32, the unidirectional gear 33, the arc cover plate 34, the transverse strut 35, the C-shaped elastic piece 36 and the swinging body 37.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. Based on the technical solutions of the present invention, all other embodiments obtained by a person skilled in the art without making any creative effort fall within the protection scope of the present invention.
Referring to fig. 1 to 12, the present invention provides a technical solution: the utility model provides a motor casing friction stir welding is with components of a whole that can function independently quick change formula cutter, including the thick post of centre gripping 1, the thick post of centre gripping 1 both ends all are connected with half body portion 2, the one end spiro union that the thick post of centre gripping 1 was kept away from to half body portion 2 has stirring needle 3, half body portion 2 includes half body shell 4, driving piece 5, direction piece 6, power piece 7, first prism 8 and screens piece 9, half body shell 4 includes the round platform of drum and drum one end body coupling, stirring needle 3 one end inserts the screw hole of seting up on the round platform of half body shell 4 through the fixed double-screw bolt, it has driving piece 5 to distribute in the drum of half body shell 4, direction piece 6 and power piece 7, one side of driving piece 5 distributes and has direction piece 6, the opposite side transmission of driving piece 5 is connected with power piece 7, first prism 8 runs through the middle part of driving piece 5 respectively, in the prismatic column groove of setting up of stirring needle 3 tip, half body shell 4 drum other end is fixed on thick post 1, and the thick post of centre gripping 1 of half body 4 butt joint department has the screens piece 9 to distribute the screens piece, control piece 9.
Referring to fig. 2, the stirring pin 3 is fixed, the half shell 4 rotates clockwise, the stirring pin 3 is gradually inserted into the half shell 4, the thick column 1 and the half part 2 are clamped to form a knife body, the stirring pin 3 is fixed on the knife body, a worker manually operates to rotationally insert the stirring pin 3 into the knife body or reversely rotates to take down the stirring pin from the knife body, a pressure mechanism in the half part 2 is pressed at the beginning of the taking down process, the auxiliary worker takes down the stirring pin 3, and a switch of the pressing mechanism is a clamping piece 9.
The direction piece 6 includes Y type piece 10, carousel 11 and first shell fragment 12 that resets, be fixed with two Y type pieces 10 of symmetric distribution on the drum inner wall of half shell 4, two Y type pieces 10 cooperation centre gripping carousel 11, carousel 11 edge protrusion is to the arc wall of seting up on the Y type piece 10 in, and one side of carousel 11 is fixed with two first shell fragment 12 that resets of symmetric distribution, and the one end of first shell fragment 12 that resets is fixed on first prism 8, and first prism 8 slides the prism hole of seting up in the middle part of passing carousel 11.
The driving piece 5 comprises a barrel piece 13, a power storage barrel 14, a clockwork spring 15 and an arc baffle 16, wherein the power storage barrel 14 is slidably sleeved in a cylinder of the half shell 4, the arc baffle 16 is fixed on both sides of the power storage barrel 14, the arc baffle 16 is fixed on the half shell 4, convex teeth are uniformly and annularly arranged on the inner wall of one side of the power storage barrel 14, the power storage barrel 14 is in transmission connection with the power piece 7, the barrel piece 13 is distributed in the middle of the power storage barrel 14, the clockwork spring 15 is connected between the barrel piece 13 and the power storage barrel 14, and one end of the barrel piece 13 is clamped with the clamping piece 9.
The barrel part 13 comprises a J-shaped sliding column 17 and a prismatic sliding column 18, a plurality of J-shaped sliding columns 17 are fixedly arranged at the outer part of one end of the prismatic sliding column 18, the J-shaped sliding column 17 is in butt joint with the clamping piece 9, the first prismatic column 8 is arranged in the prismatic sliding column 18 in a sliding manner, the end part of the inner ring of the spiral spring 15 is fixed on the prismatic sliding column 18, and the end part of the outer ring of the spiral spring 15 is fixed on the inner wall of the power storage barrel 14.
The power piece 7 comprises a force generating device 19, a belt pulley weight 20, a guide ring cylinder 21 and a positioning folding column 22, wherein the guide ring cylinder 21 is annularly arranged in a cylinder of the half shell 4, the positioning folding column 22 is fixedly connected between the guide ring cylinder 21 and the cylinder of the half shell 4, the belt pulley weight 20 is distributed between the guide ring cylinder 21 and the cylinder of the half shell 4, an arc plate hole is formed in a shell on one side of the guide ring cylinder 21, the force generating device 19 is distributed at the arc plate hole, the force generating device 19 drives and controls the force storage cylinder 14, the guide ring cylinder 21 is in a cylinder body, edges on two sides of the cylinder body are outwards turned, the belt pulley weight 20 comprises arc blocks and rollers for supporting the arc blocks, the rollers in arc arrangement on one side are contacted with the guide ring cylinder 21, and the rollers in arc arrangement on the other side are contacted with the inner wall of the cylinder of the half shell 4 as understood by referring to fig. 6.
The clamping piece 9 comprises a second reset elastic piece 23 and a clamping body 24, the clamping body 24 comprises a disc, a circular ring and a short column fixed between the disc and the circular ring, one end of the J-shaped sliding column 17 is inserted into a through hole formed in the disc of the clamping body 24 in a sliding mode, two symmetrically distributed second reset elastic pieces 23 are fixed on one side, facing the clamping thick column 1, of the clamping body 24, the second reset elastic pieces 23 are supported between the clamping body 24 and the clamping thick column 1, a ring body of the clamping body 24 is distributed outside the half shell 4, and the short column of the clamping body 24 is movably arranged in a plate hole formed in the cylinder of the half shell 4.
The force generating device 19 comprises a first gear 25, a second gear 26, a first pressurizing worm 27, a first shaft 28, a shaft bracket 29, a second pressurizing worm 30 and a swinging component 31, one end of the first gear 25 is meshed with the convex teeth on the force storage cylinder 14, the other end of the first gear 25 is meshed with the first pressurizing worm 27 for transmission, one end of the first shaft 28 is fixed on the first gear 25, one end of the first pressurizing worm 27 is fixed with the second gear 26, the second gear 26 is meshed with the spiral teeth on the second pressurizing worm 30, one end of the shaft body on the second pressurizing worm 30 is connected with the swinging component 31, one end of the shaft bracket 29 is fixed on the half shell 4, and the shaft bodies on the first shaft 28, the first pressurizing worm 27 and the second pressurizing worm 30 are respectively sleeved in three through holes formed in the shaft bracket 29.
The swinging assembly 31 comprises a J-shaped elastic piece 32, a one-way gear 33, an arc-shaped cover plate 34, a cross support 35, a C-shaped elastic piece 36 and a swinging body 37, wherein the swinging body 37 is supported by a shaft body on the second supercharging worm 30, the pulley weight 20 toggles the swinging body 37 in the surrounding motion relative to the guide ring cylinder 21, the C-shaped elastic piece 36 is distributed inside the guide ring cylinder 21, one end of the C-shaped elastic piece 36 elastically supports the swinging body 37, the other end of the C-shaped elastic piece 36 is fixed on the cross support 35, one end of the cross support 35 is fixed on the shaft bracket 29, the one-way gear 33 is fixed at the end part of the second supercharging worm 30, the arc-shaped cover plate 34 is arranged on one side of the one-way gear 33, one end of the arc-shaped cover plate 34 is fixed on the swinging body 37, and the J-shaped elastic piece 32 is distributed between the arc-shaped cover plate 34 and the one-way gear 33.
The swinging body 37 comprises an arc plate and a cylinder body with one end fixed to the arc plate, the cylinder body of the swinging body 37 is sleeved on the shaft body of the second pressurizing worm 30, the arc plate of the swinging body 37 is distributed in an arc plate hole of the guide ring cylinder 21, and the teeth of the unidirectional gear 33 are in a right-angle plate shape.
Referring to fig. 2, the half shell 4 rotates clockwise relative to the stirring pin 3, the stirring pin 3 is gradually inserted into the half shell 4, then the bottom surface of a stud of the stirring pin 3 is propped against the first prism 8, the stirring pin 3 continues to enter the half shell 4, the stirring pin 3 moves against the first prism 8, when the prism hole on the stirring pin 3 just faces the first prism 8, the first prism 8 moves in the opposite direction, the stirring pin 3 is completely fixed on the half shell 4 because the first prism 8 is not movable, in particular, the clamping body 24 clamps the J-shaped sliding column 17, then the first prism 8 is clamped through the prism sliding tube 18, the first prism 8 controls the stirring pin 3 to rotate, thus the stirring pin 3 and the half shell 4 are fixed, and then friction welding work can be performed.
After the friction welding work is finished, the stirring pin 3 is taken down from the half shell 4, at this time, a worker needs to press the clamping body 24, the clamping body 24 moves to be close to the clamping thick column 1, the J-shaped sliding column 17 and the clamping body 24 are separated, the prismatic sliding column 18 drives the J-shaped sliding column 17 to rotate rapidly, the spiral spring 15 provides rotating force for the prismatic sliding column 18, the prismatic sliding column 18 drives the first prism 8, the first prism 8 drives the stirring pin 3 to rotate, and referring to fig. 2, the fact that the half shell 4 is fixed can be understood that the first prism 8 and the stirring pin 3 rotate clockwise synchronously, the stirring pin 3 gradually leaves from the half shell 4, then the first prism 8 and the stirring pin 3 are separated, the rest of the stirring pin 3 is taken down by the worker, the first prism 8 rotates to impact the stirring pin 3 before the stirring pin 3 rotates for a plurality of circles, resistance caused by corrosion is broken through, and the stirring pin 3 is easy and labor is saved when the worker rotates the stirring pin 3.
The spiral spring 15 provides rotation pressure for the prismatic sliding tube 18, the pressure accumulation on the spiral spring 15 comes from a force generating device 19, as understood by combining fig. 2 and 6, during friction welding, the clamping thick column 1 rotates clockwise rapidly to drive the stirring needle 3, the stirring needle 3 rotates clockwise to process a workpiece, the half body shell 4 drives the positioning folding column 22, the positioning folding column 22 drives the guide ring tube 21 to rotate clockwise, the weight 20 of the inertia belt wheel is fixed, the weight 20 of the belt wheel rotates anticlockwise relative to the guide ring tube 21, the weight 20 of the belt wheel rotates anticlockwise once every time the weight 20 of the belt wheel rotates the force generating device 19, the force generating device 19 deforms once to control the rotation of the power storage tube 14 by a small angle, the weight 20 of the belt wheel moves rapidly for a plurality of circles, the force generating device 19 continuously works, the power storage tube 14 rotates, the power storage tube 14 pulls the spiral spring 15 to shrink, the prismatic sliding tube 18 is fixedly influenced by clamping position, the spiral spring 15 gradually shrinks the power storage tube, the power storage tube 15 is maximally no longer stored after the power storage tube is stopped, the weight 20 of the belt wheel is blocked by the weight 20, the weight 20 of the belt wheel rotates anticlockwise, the weight 20 is automatically, the rotation of the weight 21 of the belt wheel rotates synchronously, the power storage tube 4 is synchronously controlled in the inner part of the power storage tube, and the friction welding process is finished.
In the process of driving the power storage cylinder 14 by the power generating device 19, referring to fig. 9, the swinging body 37 swings to drive the arc cover plate 34, the arc cover plate 34 drives the J-shaped elastic piece 32 to move circularly, the C-shaped elastic piece 36 is used for controlling the swinging body 37 to reset after being stirred, so that the J-shaped elastic piece 32 moves circularly reversely, the circulating J-shaped elastic piece 32 drives the unidirectional gear 33 to rotate unidirectionally, then the second gear 26 is driven by the second pressurizing worm 30, the first gear 25 is driven by the first pressurizing worm 27 to rotate, the first gear 25 controls the power storage cylinder 14 to rotate slowly, and the spring 15 is driven to shrink to store power.
A method for replacing a split quick-change cutter for friction stir welding of a motor casing comprises the following steps:
step one: the worker presses the clamping piece 9 by using a tool, the driving piece 5 applies force to control the first prism 8 to rotate, and the first prism 8 drives the stirring pin 3 to rotate the extending part from the half shell 4;
step two: taking down the stirring pin 3, and continuing to rotate the stirring pin 3 by using a tool until the stirring pin 3 and the half shell 4 are completely separated;
step three: the stirring pin 3 is installed, a worker inserts a new stirring pin 3 in a rotary manner aiming at the half shell 4, and after the first prism 8 is automatically inserted into the prism groove of the stirring pin 3, the worker cannot continue to rotate the stirring pin 3, and the assembly is completed at the moment;
step four: and in the working process of the friction welding, the tool automatically stores the force, and the stored force is used for the next tool replacement work.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a motor casing friction stir welding is with components of a whole that can function independently quick change formula cutter, includes centre gripping thick post (1), its characterized in that: the utility model discloses a thick post of centre gripping, including thick post (1) of centre gripping, thick post (1) both ends all are connected with half portion (2), the one end spiro union that thick post of centre gripping (1) was kept away from to half portion (2) has stirring needle (3), half portion (2) are including half shell (4), driving piece (5), direction piece (6), power piece (7), first prism (8) and screens piece (9), half shell (4) include the round platform of drum and drum one end body coupling, stirring needle (3) one end inserts in the screw hole of seting up on the round platform of half shell (4) through the fixed double-screw bolt, be distributed in the drum of half shell (4) driving piece (5), direction piece (6) and power piece (7), one side distribution of driving piece (5) has direction piece (6), and the opposite side transmission of driving piece (5) is connected with power piece (7), and the middle part of driving piece (5), and the first prism (8) run through respectively in the middle part of direction piece (6) and power piece (7), the one end of first prism (8) slides and inserts in the screw hole of setting up in the tip of stirring needle (4) round platform (4), thick post (4) are located in thick post (4) of centre gripping (1), the clamping piece (9) clamps the control driving piece (5).
2. The split quick-change cutter for friction stir welding of a motor casing according to claim 1, wherein: the direction piece (6) comprises a Y-shaped block (10), a rotary table (11) and a first reset elastic piece (12), two symmetrically distributed Y-shaped blocks (10) are fixed on the inner wall of a cylinder of the half shell (4), the two Y-shaped blocks (10) are matched with the rotary table (11), the edge of the rotary table (11) protrudes into an arc-shaped groove formed in the Y-shaped block (10), two symmetrically distributed first reset elastic pieces (12) are fixed on one side of the rotary table (11), one end of each first reset elastic piece (12) is fixed on a first prism (8), and the first prism (8) slides through a prism hole formed in the middle of the rotary table (11).
3. The split quick-change cutter for friction stir welding of a motor casing according to claim 1, wherein: the driving piece (5) comprises a barrel part (13), a power storage barrel (14), a clockwork spring (15) and an arc baffle (16), wherein the power storage barrel (14) is slidably sleeved in a cylinder of the half shell (4), the arc baffle (16) is fixed on two sides of the power storage barrel (14), the arc baffle (16) is fixed on the half shell (4), convex teeth are uniformly arranged on one side inner wall of the power storage barrel (14) in a ring mode, the power storage barrel (14) is connected with the power piece (7) in a transmission mode, the barrel part (13) is distributed in the middle of the power storage barrel (14), the clockwork spring (15) is connected between the barrel part (13) and the power storage barrel (14), and one end of the barrel part (13) is connected with the clamping piece (9) in a clamping mode.
4. The split quick-change cutter for friction stir welding of a motor casing according to claim 3, wherein: the cylinder piece (13) comprises a J-shaped sliding column (17) and a prismatic sliding column (18), a plurality of J-shaped sliding columns (17) are fixedly arranged outside one end of the prismatic sliding column (18), the J-shaped sliding columns (17) are in butt joint with the clamping pieces (9), the first prismatic column (8) is arranged in the prismatic sliding column (18) in a sliding mode, the end portion of the inner ring of the spiral spring (15) is fixed on the prismatic sliding column (18), and the end portion of the outer ring of the spiral spring (15) is fixed on the inner wall of the power storage cylinder (14).
5. The split quick-change cutter for friction stir welding of a motor casing according to claim 3, wherein: the power piece (7) comprises a force generating device (19), belt pulley weights (20), a guide ring cylinder (21) and a positioning folding column (22), the guide ring cylinder (21) is annularly arranged in a cylinder of the half body shell (4), the positioning folding column (22) is fixedly connected between the guide ring cylinder (21) and the cylinder of the half body shell (4), belt pulley weights (20) are distributed between the guide ring cylinder (21) and the cylinder of the half body shell (4), arc-shaped plate holes are formed in one side of the guide ring cylinder (21), the force generating device (19) is distributed at the arc-shaped plate holes, the force storing cylinder (14) is controlled by the force generating device (19), the guide ring cylinder (21) is in a cylinder body, and edges of two sides of the cylinder body are turned outwards.
6. The split quick-change cutter for friction stir welding of a motor casing according to claim 4, wherein: the clamping piece (9) comprises a second reset elastic piece (23) and a clamping body (24), the clamping body (24) comprises a disc, a circular ring and a short column fixed between the disc and the circular ring, one end of the J-shaped sliding column (17) is slidably inserted into a through hole formed in the disc of the clamping body (24), two symmetrically distributed second reset elastic pieces (23) are fixed on one side, facing the clamping thick column (1), of the clamping body (24), the second reset elastic pieces (23) are supported between the clamping body (24) and the clamping thick column (1), the ring body of the clamping body (24) is distributed outside the half shell (4), and the short column of the clamping body (24) is movably arranged in a plate hole formed in the cylinder of the half shell (4).
7. The split quick-change cutter for friction stir welding of a motor casing according to claim 5, wherein: the power generating device (19) comprises a first gear (25), a second gear (26), a first pressurizing worm (27), a first shaft (28), a shaft bracket (29), a second pressurizing worm (30) and a swinging component (31), wherein one end of the first gear (25) is meshed with a convex tooth on the power storage cylinder (14), the other end of the first gear (25) is meshed with the first pressurizing worm (27) for transmission, one end of the first shaft (28) is fixed on the first gear (25), one end of the first pressurizing worm (27) is fixed with a second gear (26), one end of a shaft body on the second pressurizing worm (30) is meshed with a swinging component (31), one end of the shaft bracket (29) is fixed on the half shell (4), and the shaft bodies on the first shaft (28), the first pressurizing worm (27) and the second pressurizing worm (30) are respectively sleeved in three through holes formed in the shaft bracket (29).
8. The split quick-change cutter for friction stir welding of a motor casing according to claim 7, wherein: swing subassembly (31) are including J type shell fragment (32), one-way gear (33), arc apron (34), cross brace (35), C type shell fragment (36) and pendulum (37), axis body on second booster worm (30) supports pendulum (37), and pulley weight (20) stir pendulum (37) in relative direction ring section of thick bamboo (21) surround motion, C type shell fragment (36) distribute inside direction ring section of thick bamboo (21), C type shell fragment (36) one end elastic support pendulum (37), C type shell fragment (36) other end is fixed on cross brace (35), and cross brace (35) one end is fixed on pedestal (29), and one-way gear (33) are fixed in the tip of second booster worm (30), and one side of one-way gear (33) is provided with arc apron (34), and arc apron (34) one end is fixed on pendulum (37), and it has J type shell fragment (32) to distribute between arc apron (34) and the one-way gear (33).
9. The split quick-change cutter for friction stir welding of a motor casing according to claim 8, wherein: the swinging body (37) comprises an arc plate and a cylinder body with one end fixed to the arc plate, the cylinder body of the swinging body (37) is sleeved on the shaft body of the second pressurizing worm (30), the arc plate of the swinging body (37) is distributed in an arc plate hole of the guide ring cylinder (21), and teeth of the unidirectional gear (33) are in a right-angle plate shape.
10. A method for replacing a split quick-change cutter for friction stir welding of a motor casing, which adopts the split quick-change cutter for friction stir welding of a motor casing according to claim 1, and is characterized by comprising the following steps:
step one: the inner force is exerted, a worker presses the clamping piece (9) by using a tool, the driving piece (5) exerts force to control the first prism (8) to rotate, and the first prism (8) drives the stirring pin (3) to rotate and extend out of the half shell (4);
step two: taking down the stirring pin (3), and continuing to rotate the stirring pin (3) by a worker by using a tool until the stirring pin (3) and the half shell (4) are completely separated;
step three: the stirring pin (3) is installed, a worker rotates and inserts a new stirring pin (3) aiming at the half shell (4), and after the first prism (8) is automatically inserted into the prism groove of the stirring pin (3), the worker cannot continuously rotate the stirring pin (3), and the assembly is completed at the moment;
step four: and in the working process of the friction welding, the tool automatically stores the force, and the stored force is used for the next tool replacement work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311232742.2A CN117001137B (en) | 2023-09-22 | 2023-09-22 | Split quick-change cutter for friction stir welding of motor casing and replacement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311232742.2A CN117001137B (en) | 2023-09-22 | 2023-09-22 | Split quick-change cutter for friction stir welding of motor casing and replacement method |
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| CN117001137A true CN117001137A (en) | 2023-11-07 |
| CN117001137B CN117001137B (en) | 2023-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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|---|---|---|---|---|
| CN204546397U (en) * | 2015-03-19 | 2015-08-12 | 南华大学 | Clockwork spring stores power automatic screwdriver |
| CN110757389A (en) * | 2019-11-07 | 2020-02-07 | 西南交通大学 | Spiral power spring energy storage screwdriver |
| CN214769645U (en) * | 2020-11-26 | 2021-11-19 | 广州瑞松智能科技股份有限公司 | Detachable stirring head for friction stir welding |
| CN215145644U (en) * | 2020-12-31 | 2021-12-14 | 浙江昊龙电气有限公司 | Friction stir welding device for die casting |
| CA3156030A1 (en) * | 2021-04-16 | 2022-10-16 | Stirweld | Friction stir welding head and process of using it |
| CN217701791U (en) * | 2022-01-07 | 2022-11-01 | 东莞精明五金科技有限公司 | Dismantle split type friction stir welding's stirring tool |
-
2023
- 2023-09-22 CN CN202311232742.2A patent/CN117001137B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204546397U (en) * | 2015-03-19 | 2015-08-12 | 南华大学 | Clockwork spring stores power automatic screwdriver |
| CN110757389A (en) * | 2019-11-07 | 2020-02-07 | 西南交通大学 | Spiral power spring energy storage screwdriver |
| CN214769645U (en) * | 2020-11-26 | 2021-11-19 | 广州瑞松智能科技股份有限公司 | Detachable stirring head for friction stir welding |
| CN215145644U (en) * | 2020-12-31 | 2021-12-14 | 浙江昊龙电气有限公司 | Friction stir welding device for die casting |
| CA3156030A1 (en) * | 2021-04-16 | 2022-10-16 | Stirweld | Friction stir welding head and process of using it |
| CN217701791U (en) * | 2022-01-07 | 2022-11-01 | 东莞精明五金科技有限公司 | Dismantle split type friction stir welding's stirring tool |
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|---|---|
| CN117001137B (en) | 2023-12-15 |
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