CN109127805B - Special-shaped pipe bending machine for air conditioner and operation method of special-shaped pipe bending machine - Google Patents

Special-shaped pipe bending machine for air conditioner and operation method of special-shaped pipe bending machine Download PDF

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Publication number
CN109127805B
CN109127805B CN201811145586.5A CN201811145586A CN109127805B CN 109127805 B CN109127805 B CN 109127805B CN 201811145586 A CN201811145586 A CN 201811145586A CN 109127805 B CN109127805 B CN 109127805B
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pipe
supporting
push rod
swing arm
stage
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CN109127805A (en
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严双喜
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Taizhou Asia Pacific Air Conditioning Valve Factory
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Nanjing Sidajie Information Technology Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D7/00Bending rods, profiles, or tubes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C51/00Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D55/00Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D7/00Bending rods, profiles, or tubes
    • B21D7/12Bending rods, profiles, or tubes with programme control

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

The invention discloses a special-shaped pipe bender for an air conditioner, which comprises a plurality of first-stage bend inlet pipe assemblies, second-stage bend inlet pipe assemblies and pipe fitting supporting assemblies which are arranged in parallel at intervals, wherein the first-stage bend inlet pipe assemblies and the second-stage bend inlet pipe assemblies are arranged on a fixed rack, each of the first-stage bend inlet pipe assemblies and the second-stage bend inlet pipe assemblies is provided with a pressure sensor, an ultrasonic flaw detector and a laser three-dimensional scanner, and the pressure sensor, the ultrasonic flaw detector and the laser three-dimensional scanner are connected with a central processing unit. According to the special-shaped pipe bender for the air conditioner, the pipe fitting is subjected to stretch bending through the first-stage bent pipe component, the second-stage bent pipe component and the pipe fitting supporting component, so that the bending precision of the special-shaped pipe fitting can be greatly improved, and the special-shaped pipe bender is a product with more expanded special-shaped shapes.

Description

Special-shaped pipe bending machine for air conditioner and operation method of special-shaped pipe bending machine
Technical Field
The invention relates to a pipe bender, in particular to a special-shaped pipe bender and an operation method thereof.
Background
The pipe bending technology is widely applied to the pipe bending production and manufacturing of multiple industries such as central air conditioning, automobile industry, aerospace industry, ship manufacturing industry and the like, the quality of bent pipes directly influences the structural reasonability, safety, reliability and the like of products in the industries, the feeding of pipe fittings in the pipe bending process of a pipe bending machine is mainly controlled by a boosting device, however, when the pipe bending machine pushes the pipe fittings for the final bending pipe bending processing, the front end of the pipe fitting pushing device reaches the position of a crease-resistant plate on a bending machine head, at the moment, the pipe fitting pushing device cannot move forwards continuously due to the limitation of the crease-resistant plate, so that acting force cannot be continuously provided for the pipe fittings to push out and process the residual pipe fittings in the pipe fitting chuck, at the moment, the residual pipe fittings in the pipe fitting chuck become surplus materials for processing and are wasted, and the push-bending machine pipe bending industry at present often adopts push-bending technology, Bending pipes in bending modes such as stretch bending, bending around, bending by pressing and the like, wherein the used bending mechanisms are all one-way bending mechanisms, if a plurality of bending conditions in different directions are needed on one pipe, the bending conditions can only be solved by adopting a material transferring method, the labor intensity is high, and the processing precision and the forming quality are influenced in the material changing process;
chinese patent ZL201110438634 discloses a pipe bender, which utilizes a driving mechanism to fix a first roller at a limit position of a guide structure corresponding to a root of a mandrel head to push against a pipe material, and drives a second roller to move from the limit position corresponding to the root of the mandrel head to a limit position corresponding to a tail end of the mandrel head on another guide structure, and in the process, the pipe material is bent by rolling the pipe material through the second roller, and the pipe bender can bend the pipe material into shapes such as a Z shape and a W shape, but still has the following problems: 1. the driving mechanism is arranged on the working table surface, and the collision of the formed part of the pipe material is caused to block in the pipe bending process, so that the bending of the coiled pipe with a plurality of bending parts is particularly not facilitated; 2. the relative positions of the two rollers need to be changed in the pipe bending process, so that the precision of the pipe bending is influenced; 3. the bent pipe needs two driving mechanisms, not only has a complex structure, but also has high requirements on the driving mechanisms, and can not produce special-shaped pipe fittings with complex shapes.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a special-shaped pipe bender for an air conditioner and an operation method thereof, aiming at the defects of the prior art, and the special-shaped pipe bender is convenient to use.
The technical scheme is as follows: the invention discloses a special-shaped pipe bender for an air conditioner, which comprises a plurality of first-stage bend inlet pipe assemblies, second-stage bend inlet pipe assemblies and pipe fitting supporting assemblies which are arranged in parallel at intervals, wherein the first-stage bend inlet pipe assemblies and the second-stage bend inlet pipe assemblies are arranged on a fixed rack, the first-stage bend inlet pipe assemblies and the second-stage bend inlet pipe assemblies are provided with pressure sensors, ultrasonic flaw detectors and laser three-dimensional scanners, and the pressure sensors, the ultrasonic flaw detectors and the laser three-dimensional scanners are connected with a central processing unit.
The fixed frame comprises a first fixed plate and a second fixed plate, and the first fixed plate and the second fixed plate are connected through a plurality of reinforcing cross beams.
First-order inlet elbow pipe assembly includes the arc roof, arc roof side end face connects perpendicularly in first catch bar one end, the first catch bar other end passes first fixed plate to rotatable connection is in second catch bar one end, the second catch bar other end passes the second fixed plate, and stretches out the second fixed plate outside, second catch bar outer wall is equipped with the external screw thread along its axial, the second fixed plate supplies the rotatable transmission nut that is equipped with of second catch bar interlude department, transmission nut threaded connection is in the second catch bar, the transmission nut periphery is equipped with the teeth of a cogwheel, the second fixed plate is close to transmission nut department and is equipped with step motor, step motor's output shaft is equipped with drive gear, drive gear meshes the teeth of a cogwheel in the transmission nut periphery.
The outer wall of the first push rod is provided with a strip-shaped guide limiting block, and the inner wall of a through hole, through which the first push rod penetrates, of the first fixing plate is provided with a guide groove matched with the guide limiting block.
The first push rod and the second push rod are connected in a rotating mode through a sleeve of the buckle, the second fixing plate is provided with an inner concave ring groove, an outer convex ring edge is arranged on the end face of one side of the transmission nut, and the outer convex ring edge is rotatably embedded in the inner concave ring groove.
The second-stage elbow feeding assembly comprises a hook, the hook is a semicircular steel plate, an electric heating device is arranged at the back of the hook, the hook is connected to one end of a first pulling rod, the other end of the first pulling rod penetrates through a first fixing plate, a cylindrical barrel is arranged at the position where the first pulling rod penetrates through the first fixing plate, a cylindrical plug body matched with the inner wall profile of the cylindrical barrel is slidably arranged in the cylindrical barrel, the first pulling rod penetrates through the cylindrical plug body and is hinged to one end of a second pulling rod, the other end of the second pulling rod is hinged to one end of a swing arm, the other end of the swing arm is connected to an output shaft of a rotary driving device, a one-way buckle device is arranged at the position where the first pulling rod is hinged to the second pulling rod, and a phase difference angle is arranged between the swing arms.
The rotary driving device is a gasoline engine, a diesel engine, a servo motor or a speed reducer, and the phase difference angle between the adjacent swing arms is set by an equal difference angle or an unequal difference angle.
Swing arm and rotary drive device's output shaft junction is equipped with lock nut, changes the phase difference angle between the different swing arms through adjusting different lock nut, first pulling rod root is located to one-way buckle device, one-way buckle device includes first card sleeve pipe and second card sleeve pipe, the first card sleeve pipe surface symmetry be equipped with two rows of through-holes, the telescopic is equipped with the triangle stopper in the through-hole, passes through spring coupling between the two relative triangle stoppers, second card sleeve pipe surface is equipped with the through-hole of buckling mutually with the triangle stopper.
The pipe fitting supporting component comprises a plurality of supporting units hinged through a connecting rod, the supporting units on the outermost side are connected with a locking chuck, each supporting unit comprises a supporting disk, 4-6 eccentric hinged supporting rods are arranged on the supporting disk, the end parts of the supporting rods are hinged to arc supporting plates, the locking chuck comprises a chuck fixed on the connecting rod, flanges are arranged on the periphery of the chuck, and a plurality of locking bolts are arranged on the flanges in a surrounding mode.
An operation method of a special-shaped pipe bender for an air conditioner comprises the following steps:
step 1: according to the required shapes of different processing pipe fittings, the phase difference angle between each swing arm is changed by adjusting the locking nut;
step 2: according to the required shapes of different machined pipe fittings and in combination with the adjustment angle of the swing arm in the step 1, the stepping motor drives the transmission gears to rotate to drive each transmission nut to rotate, and a second push rod of a moving pair formed by the transmission nuts moves to drive the first push rod to move so as to adjust the position of the arc-shaped top plate;
and step 3: placing the pipe fitting supporting assembly into a pipe fitting to be worked, twisting the locking chuck on the outermost side to enable the supporting plate to rotate, further enabling the supporting rod to swing, driving the arc-shaped supporting plate to be attached to the inner wall of the pipe fitting, and then locking the locking chuck;
and 4, step 4: the rotary driving device starts to drive the swing arm to rotate, the first pulling rod is driven to move firstly in the rotating process of the swing arm, so that the pipe fitting is bent once by the hook hand, the swing arm rotates to continue rotating, the one-way buckling device shortens, and when the swing arm rotates to the next circle, the pipe fitting is bent once by the hook hand again;
and 5: and (4) when the swing arm repeats the action of the step (4), sending the data acquired by the pressure sensor on the arc-shaped top plate to the pipe fitting and the data acquired by the ultrasonic flaw detector and the laser three-dimensional scanner to the central processing unit, and adjusting the running states of each rotary driving device and each stepping motor in real time.
Has the advantages that: according to the special-shaped pipe bender for the air conditioner and the operation method thereof, the pipe fitting is stretch-bent through the first-stage bent pipe component, the second-stage bent pipe component and the pipe fitting supporting component, the postures of the first-stage bent pipe component and the second-stage bent pipe component can be adjusted at will, the working processes of the components are monitored in real time through the pressure sensor, the ultrasonic flaw detector, the laser three-dimensional scanner and the central processing unit, the bending precision of the special-shaped pipe fitting can be greatly improved, the special-shaped shape of the product can be expanded, and the stretch-bending mode of multiple progressive modes can prevent the pipe fitting from being stretched excessively, deformed excessively or torn due to severe distortion.
Drawings
FIG. 1 shows a schematic view of aIs a structural schematic diagram of the invention;
FIG. 2Is a schematic structural diagram of the supporting unit of the invention;
FIG. 3Is a structural schematic diagram of the one-way buckle device;
FIG. 4Is a structural schematic diagram of the locking chuck of the invention.
Detailed Description
The technical solution of the present invention is described in detail below, but the scope of the present invention is not limited to the embodiments.
Such asFIGS. 1 to 4The special-shaped pipe bender for the air conditioner comprises a plurality of first-stage bent pipe feeding assemblies, second-stage bent pipe feeding assemblies and pipe supporting assemblies, wherein the first-stage bent pipe feeding assemblies, the second-stage bent pipe feeding assemblies and the pipe supporting assemblies are arranged in parallel at intervals, the first-stage bent pipe feeding assemblies and the second-stage bent pipe feeding assemblies are arranged on a fixed rack, each of the first-stage bent pipe feeding assemblies and the second-stage bent pipe feeding assemblies is provided with a pressure sensor, an ultrasonic flaw detector and a laser three-dimensional scanner, and the pressure sensors, the ultrasonic flaw detectors and the laser three-dimensional scanners.
The fixed frame comprises a first fixed plate 1 and a second fixed plate 2, and the first fixed plate 1 and the second fixed plate 2 are connected through a plurality of reinforcing cross beams 3.
First-order elbow feed pipe assembly includes arc roof 4, 4 side end faces of arc roof are connected perpendicularly in 5 one ends of first catch bar, first fixed plate 1 is passed to the 5 other ends of first catch bar, and rotatable connection in 6 one ends of second catch bar, the 6 other ends of second catch bar pass second fixed plate 2, and stretch out the 2 outsides of second fixed plate, 6 outer walls of second catch bar are equipped with the external screw thread along its axial, second fixed plate 2 supplies that second catch bar 6 alternates the rotatable transmission nut 7 that is equipped with of department, 7 threaded connection of transmission nut are in second catch bar 6, 7 peripheries of transmission nut are equipped with the teeth of a cogwheel, second fixed plate 2 is close to transmission nut 7 department and is equipped with step motor 8, step motor 8's output shaft is equipped with drive gear 9, drive gear 9 meshes the teeth of a cogwheel of.
The outer wall of the first push rod 5 is provided with a strip-shaped guide limiting block 10, and the inner wall of a through hole through which the first fixed plate 1 is provided with the first push rod 5 is provided with a guide groove 11 matched with the guide limiting block 10.
The first push rod 5 and the second push rod 6 are rotatably connected through a sleeve 28 of a buckle, the second fixing plate 2 is provided with an inner concave ring groove, one side end face of the transmission nut 7 is provided with an outer convex ring edge, and the outer convex ring edge is rotatably embedded in the inner concave ring groove.
The second-stage elbow feeding and bending assembly comprises a hook 12, the hook 12 is a semicircular steel plate, the back of the hook 12 is provided with an electric heating device 13, the hook 12 is connected to one end of a first pulling rod 14, the other end of the first pulling rod 14 penetrates through a first fixing plate 1, the penetrating part of the first pulling rod 14, which is provided with a cylindrical barrel 15, of the first fixing plate 1, the cylindrical barrel 15 is internally provided with a cylindrical plug 16 matched with the inner wall contour in a sliding manner, the first pulling rod 14 penetrates through the cylindrical plug 16 and is hinged to one end of a second pulling rod 17, the other end of the second pulling rod 17 is hinged to one end of a swing arm 18, the other end of the swing arm 18 is connected to the output shaft of a rotary driving device 19, the first pulling rod 14 is provided with a one-way buckle device near the hinged part of the second pulling rod 17.
The rotation driving device 19 is a gasoline engine, a diesel engine, a servo motor or a speed reducer, and the phase difference angle between adjacent swing arms 18 is set by an equal difference angle or an unequal difference angle.
Swing arm 18 is equipped with lock nut with rotary drive device 19's output shaft junction, change the phase difference angle between the swing arm 18 of difference through adjusting different lock nuts, one-way buckle device locates first pulling rod 14 roots, one-way buckle device includes first card sleeve pipe 20 and second card sleeve pipe 21, first card sleeve pipe 20 surface symmetry is equipped with two rows of through-holes, the telescopic is equipped with triangle stopper 22 in the through-hole, connect through spring 23 between the two-phase triangle stopper 22 that is relative, second card sleeve pipe 21 surface is equipped with the through-hole of buckling mutually with triangle stopper 22.
The pipe fitting supporting component comprises a plurality of supporting units hinged through a connecting rod, the supporting units on the outermost side are connected with locking chucks, each supporting unit comprises a supporting disk 29, 4-6 supporting rods 24 are hinged to the supporting disk 29 in an eccentric mode, the end portions of the supporting rods 24 are hinged to arc supporting plates 25, the locking chucks comprise chucks 26 fixed on the connecting rod, flanges 27 are arranged on the peripheries of the chucks 26, and the flanges 27 are provided with a plurality of locking bolts in a surrounding mode.
An operation method of a special-shaped pipe bender for an air conditioner comprises the following steps:
step 1: according to the required shapes of different processing pipe fittings, the phase difference angle between each swing arm 18 is changed by adjusting the locking nut;
step 2: according to different required shapes of the machined pipe fitting and by combining the adjustment angle of the swing arm 18 in the step 1, the stepping motor 8 drives the transmission gears 9 to rotate, so as to drive the transmission nuts 7 to rotate, and the second push rod 6 forming a moving pair with the transmission nuts 7 moves, so as to drive the first push rod 5 to move, and adjust the position of the arc-shaped top plate 4;
and step 3: putting the pipe fitting supporting assembly into a pipe fitting to be worked, twisting the locking chuck 26 on the outermost side to enable the supporting plate 29 to rotate, further enabling the supporting rod 24 to swing, driving the arc-shaped supporting plate 25 to be attached to the inner wall of the pipe fitting, and then locking the locking chuck;
and 4, step 4: the rotary driving device 19 starts to drive the swing arm 18 to rotate, the first pulling rod 14 is driven to move firstly in the rotating process of the swing arm 18, the pipe fitting is processed by bending the hook handle 12 once, the swing arm 18 rotates to continue rotating, the one-way buckling device is shortened, and when the swing arm 18 rotates to the next circle, the hook handle 12 is driven to bend once again to process the pipe fitting;
and 5: and (4) when the swing arm 18 repeats the action of the step 4, sending the data acquired by the pressure sensor on the arc-shaped top plate 4 for the pipe fitting and the data acquired by the ultrasonic flaw detector and the laser three-dimensional scanner for the pipe fitting to the central processing unit, and adjusting the running states of each rotary driving device 19 and the stepping motor 8 in real time.
As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited thereto. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (7)

1. The utility model provides a dysmorphism bending machine for air conditioner which characterized in that: the device comprises a plurality of first-stage bent pipe feeding assemblies, second-stage bent pipe feeding assemblies and pipe supporting assemblies which are arranged in parallel at intervals, wherein the first-stage bent pipe feeding assemblies and the second-stage bent pipe feeding assemblies are arranged on a fixed rack, each of the first-stage bent pipe feeding assemblies and the second-stage bent pipe feeding assemblies is provided with a pressure sensor, an ultrasonic flaw detector and a laser three-dimensional scanner, and the pressure sensors, the ultrasonic flaw detectors and the laser three-dimensional scanners are connected to a central processing unit; the fixed frame comprises a first fixed plate and a second fixed plate, and the first fixed plate and the second fixed plate are connected through a plurality of reinforcing cross beams;
the first-stage elbow feeding and bending assembly comprises an arc-shaped top plate, one side end face of the arc-shaped top plate is vertically connected to one end of a first push rod, the other end of the first push rod penetrates through a first fixing plate and is rotatably connected to one end of a second push rod, the other end of the second push rod penetrates through a second fixing plate and extends out of the outer side of the second fixing plate, external threads are arranged on the outer wall of the second push rod along the axial direction of the second push rod, a transmission nut is rotatably arranged at the position, where the second push rod penetrates, of the second fixing plate, the transmission nut is in threaded connection with the second push rod, gear teeth are arranged on the periphery of the transmission nut, a stepping motor is arranged on the position, close to the transmission nut, of the second fixing plate;
the second-stage elbow feeding assembly comprises a hook, the hook is a semicircular steel plate, an electric heating device is arranged at the back of the hook, the hook is connected to one end of a first pulling rod, the other end of the first pulling rod penetrates through a first fixing plate, a cylindrical barrel is arranged at the position where the first pulling rod penetrates through the first fixing plate, a cylindrical plug body matched with the inner wall profile of the cylindrical barrel is slidably arranged in the cylindrical barrel, the first pulling rod penetrates through the cylindrical plug body and is hinged to one end of a second pulling rod, the other end of the second pulling rod is hinged to one end of a swing arm, the other end of the swing arm is connected to an output shaft of a rotary driving device, a one-way buckle device is arranged at the position where the first pulling rod is hinged to the second pulling rod, and a phase difference angle is arranged between the swing arms.
2. The contoured bender for air conditioners according to claim 1, wherein: the outer wall of the first push rod is provided with a strip-shaped guide limiting block, and the inner wall of a through hole, through which the first push rod penetrates, of the first fixing plate is provided with a guide groove matched with the guide limiting block.
3. The contoured bender for air conditioners according to claim 1, wherein: the first push rod and the second push rod are connected in a rotating mode through a sleeve of the buckle, the second fixing plate is provided with an inner concave ring groove, an outer convex ring edge is arranged on the end face of one side of the transmission nut, and the outer convex ring edge is rotatably embedded in the inner concave ring groove.
4. The contoured bender for air conditioners according to claim 1, wherein: the rotary driving device is a gasoline engine, a diesel engine, a servo motor or a speed reducer, and the phase difference angle between the adjacent swing arms is set by an equal difference angle or an unequal difference angle.
5. The contoured bender for air conditioners according to claim 1, wherein: swing arm and rotary drive device's output shaft junction is equipped with lock nut, changes the phase difference angle between the different swing arms through adjusting different lock nut, first pulling rod root is located to one-way buckle device, one-way buckle device includes first card sleeve pipe and second card sleeve pipe, the first card sleeve pipe surface symmetry be equipped with two rows of through-holes, the telescopic is equipped with the triangle stopper in the through-hole, passes through spring coupling between the two relative triangle stoppers, second card sleeve pipe surface is equipped with the through-hole of buckling mutually with the triangle stopper.
6. The contoured bender for air conditioners according to claim 1, wherein: the pipe fitting supporting component comprises a plurality of supporting units hinged through a connecting rod, the supporting units on the outermost side are connected with a locking chuck, each supporting unit comprises a supporting disk, 4-6 eccentric hinged supporting rods are arranged on the supporting disk, the end parts of the supporting rods are hinged to arc supporting plates, the locking chuck comprises a chuck fixed on the connecting rod, flanges are arranged on the periphery of the chuck, and a plurality of locking bolts are arranged on the flanges in a surrounding mode.
7. An operation method of a special-shaped pipe bender for an air conditioner is characterized by comprising the following steps:
step 1: according to the required shapes of different processing pipe fittings, the phase difference angle between each swing arm is changed by adjusting the locking nut;
step 2: according to the required shapes of different machined pipe fittings and in combination with the adjustment angle of the swing arm in the step 1, the stepping motor drives the transmission gears to rotate to drive each transmission nut to rotate, and a second push rod of a moving pair formed by the transmission nuts moves to drive the first push rod to move so as to adjust the position of the arc-shaped top plate;
and step 3: placing the pipe fitting supporting assembly into a pipe fitting to be worked, twisting the locking chuck on the outermost side to enable the supporting plate to rotate, further enabling the supporting rod to swing, driving the arc-shaped supporting plate to be attached to the inner wall of the pipe fitting, and then locking the locking chuck;
and 4, step 4: the rotary driving device starts to drive the swing arm to rotate, the first pulling rod is driven to move firstly in the rotating process of the swing arm, so that the pipe fitting is bent once by the hook hand, the swing arm rotates to continue rotating, the one-way buckling device shortens, and when the swing arm rotates to the next circle, the pipe fitting is bent once by the hook hand again;
and 5: and (4) when the swing arm repeats the action of the step (4), sending the data acquired by the pressure sensor on the arc-shaped top plate to the pipe fitting and the data acquired by the ultrasonic flaw detector and the laser three-dimensional scanner to the central processing unit, and adjusting the running states of each rotary driving device and each stepping motor in real time.
CN201811145586.5A 2018-09-29 2018-09-29 Special-shaped pipe bending machine for air conditioner and operation method of special-shaped pipe bending machine Active CN109127805B (en)

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CN114535371B (en) * 2022-02-08 2024-05-10 牧童实业(广东)有限公司 Numerical control pipe bending machine
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CN206464379U (en) * 2017-01-23 2017-09-05 扬州扬子铝业有限公司 A kind of full-automatic snake bend machine
CN207592499U (en) * 2017-10-24 2018-07-10 佛山市南海区云锋金属制品有限公司 High-precision automatic pipe bending equipment
CN108311566A (en) * 2018-04-12 2018-07-24 天津恒亚通机械有限公司 A kind of bending machine
CN109351821A (en) * 2018-09-29 2019-02-19 严双喜 A kind of grading stretch benders of no-welding exhaust pipe and its working method for automobile

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