CN111229893B - S-shaped automatic feeding pipe bender - Google Patents
S-shaped automatic feeding pipe bender Download PDFInfo
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- CN111229893B CN111229893B CN201910585264.0A CN201910585264A CN111229893B CN 111229893 B CN111229893 B CN 111229893B CN 201910585264 A CN201910585264 A CN 201910585264A CN 111229893 B CN111229893 B CN 111229893B
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- 238000005452 bending Methods 0.000 claims abstract description 118
- 230000007246 mechanism Effects 0.000 claims abstract description 65
- 238000003825 pressing Methods 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 13
- 230000007306 turnover Effects 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 34
- 229910052802 copper Inorganic materials 0.000 abstract description 34
- 239000010949 copper Substances 0.000 abstract description 34
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 241000784732 Lycaena phlaeas Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/06—Bending into helical or spiral form; Forming a succession of return bends, e.g. serpentine form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/22—Auxiliary equipment, e.g. positioning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/006—Feeding elongated articles, such as tubes, bars, or profiles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The automatic feeding pipe bender comprises an automatic feeding machine and an automatic pipe bender, wherein the automatic feeding machine comprises a feeding rack and a feeding mechanism arranged on the feeding rack, and the automatic pipe bender comprises a bending rack and a bending device arranged on the bending rack; an obliquely arranged blanking plate is arranged between the automatic feeder and the automatic pipe bending machine, and two side edges of the blanking plate are fixedly distributed on the feeding rack and the bending rack; the bending device on the bending rack comprises a bending platform, a bending mechanism is arranged at the left end of the bending platform, a mandrel telescopic mechanism is arranged at the right end of the bending platform, a transverse mandrel is arranged on the mandrel telescopic mechanism, and an automatic clamping and feeding mechanism is arranged between the bending mechanism and the mandrel telescopic mechanism. The equipment can automatically realize the automatic conveying of the linear copper pipe, can automatically bend and form the copper pipe into the S-shaped copper pipe which is continuously bent, can realize automatic blanking, and can effectively improve the production efficiency compared with the traditional processing technology.
Description
Technical Field
The invention relates to the technical field of copper pipe production equipment, in particular to an S-shaped automatic feeding pipe bending machine.
Background
With the continuous development of economy and the continuous improvement of living environment, natural people have higher requirements for life, and air conditioning has become an indispensable household appliance for modern families. The copper tube is not lacked in the refrigerating system of air conditioner, the quality of copper tube directly influences the refrigerating effect of air conditioner, and is a common copper tube of air conditioning system when being the sinusoidal copper tube of S type, and this type copper tube is at present generally by the manual shaping S type of buckling of linear copper tube, but adopts manual shaping of buckling, and production efficiency is low, needs the automatic copper tube equipment of bending of development production efficiency higher.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an S-shaped automatic feeding pipe bending machine which can realize automatic bending and forming of S-shaped copper pipe fittings.
The automatic feeding pipe bender comprises an automatic feeding machine and an automatic pipe bender, wherein the automatic feeding machine comprises a feeding rack and a feeding mechanism arranged on the feeding rack, and the automatic pipe bender comprises a bending rack and a bending device arranged on the bending rack; an obliquely arranged blanking plate is arranged between the automatic feeder and the automatic pipe bending machine, and two side edges of the blanking plate are fixedly distributed on the feeding rack and the bending rack;
the bending device on the bending rack comprises a bending platform, a bending mechanism is arranged at the left end of the bending platform, a mandrel telescopic mechanism is arranged at the right end of the bending platform, a transverse mandrel is arranged on the mandrel telescopic mechanism, and an automatic clamping and feeding mechanism is arranged between the bending mechanism and the mandrel telescopic mechanism;
The bending mechanism comprises a lower rotary table which is propped against the upper end face of the left side of the bending platform, a rotary motor is fixed on the lower end face of the bending platform, a rotating shaft of the rotary motor penetrates through the bending platform to be fixedly spliced in the lower rotary table, a rotary bottom plate is fixed on the upper end face of the lower rotary table, the lower rotary table is positioned at one end of the rotary bottom plate, a lower bending die is fixed on the upper end face of the rotary bottom plate, a vertical guide post is fixed on one end of the rotary bottom plate far away from the lower rotary table, a column sleeve is sleeved on the guide post, the column sleeve is fixedly spliced on a rotary top plate, an upper bending die opposite to the lower bending die is fixed on the lower end face of the rotary top plate, an upper rotary table opposite to the lower rotary table is fixed on the upper end face of the rotary top plate, a rectangular pressing plate is hinged on the upper rotary table, an upper supporting plate is arranged on the upper side of the pressing plate, side supporting plates are fixed on the two sides of the upper supporting plate, a lifting cylinder is fixed on the upper end face of the upper supporting plate, and a piston rod of the lifting cylinder penetrates through the upper supporting plate to be fixed on the pressing plate;
one side of the lower bending die is provided with a longitudinal L-shaped movable support, the left end of the movable support is provided with a stop lever, the movable support is fixed on a transverse sliding plate, a plurality of first sliding blocks are fixed on the lower end face of the transverse sliding plate, transverse guide rails are inserted on the first sliding blocks, the transverse guide rails are fixed on a longitudinal sliding plate, a second sliding block is fixed on the lower end face of the longitudinal sliding plate, longitudinal guide rails are inserted on the second sliding blocks, the longitudinal guide rails are fixed on a bending platform, a longitudinal first air cylinder is arranged between the longitudinal guide rails, a piston rod of the first air cylinder is fixed on a first connecting block, the first connecting block is fixed on the lower end face of the longitudinal sliding plate, an air cylinder support plate is fixed on the upper end face of the longitudinal sliding plate, a transverse second air cylinder is fixed on the piston rod of the second air cylinder, and the insertion block is inserted on the transverse sliding plate;
The automatic clamping and feeding mechanism comprises a feeding bottom plate, a longitudinal third sliding block is fixed on the lower end face of the feeding bottom plate, a longitudinal feeding guide rail is inserted on the third sliding block, and the feeding guide rail is fixed on the bending platform; the upper side of the feeding bottom plate is provided with a feeding seat, the feeding seat is sleeved on the mandrel, the two side walls of the feeding seat are fixedly provided with first lifting cylinders, the piston rods of the first lifting cylinders are fixedly arranged on the feeding bottom plate, the mandrel at the left side of the feeding seat is sleeved with an inner clamping tube, the left end of the inner clamping tube is provided with a conical chuck, the chuck is provided with a plurality of cutting grooves, and the cutting grooves divide the chuck into a plurality of circular arc clamping pieces; the inner clamping tube is hinged in the feeding seat through a bearing, the right end of the inner clamping tube extends out of the feeding seat, a plug bush of the inner clamping tube is fixedly provided with a driven belt pulley, the driven belt pulley is connected with a driving belt pulley through a transmission belt, the plug bush of the driving belt pulley is fixed on a rotating shaft of a turnover motor, the turnover motor is fixed on a motor bracket, and the motor bracket is fixed on the upper end of the feeding seat; the inner clamping pipe is inserted and sleeved with an outer clamping pipe and a rotating sleeve, the right end of the outer clamping pipe is fixed with the rotating sleeve, an annular clamping groove is formed in the outer wall of the rotating sleeve and is inserted with a connecting ring, lugs are formed on two opposite side walls of the connecting ring, piston rods of clamping cylinders are fixedly connected to the lugs, the clamping cylinders are fixed on connecting support plates, and the connecting support plates are fixed on two side walls of a feeding seat; the upper end face of the feeding bottom plate is fixedly provided with a feeding motor, a rotating shaft of the feeding motor penetrates through the feeding bottom plate plug bush to be fixedly provided with a gear, the gear is meshed with a longitudinal rack, and the rack is fixed on the bending platform.
Preferably, the mandrel telescoping mechanism comprises a fixed seat, a rollback cylinder is fixed on the fixed seat, a support is fixed on a piston rod of the rollback cylinder, a vertical hard rail is formed on the support, a hard rail groove is formed on the hard rail, a T-shaped linkage head is inserted on the hard rail, the right end of the mandrel is fixed on the linkage head, an L-shaped support plate is fixed at the upper end of the support, a second lifting cylinder is fixed on the support plate, and a piston rod of the second lifting cylinder penetrates through the support plate to be fixed on the linkage head.
Preferably, a chamfer with the same angle as the conical angle of the chuck is formed on the inner wall of the front end of the outer clamping tube on the automatic clamping and feeding mechanism, the front end of the outer clamping tube is inserted and sleeved on the chuck, the diameter of the inner wall of the outer clamping tube is equal to the diameter of the outer wall of the inner clamping tube, and the diameter of the inner wall of the inner clamping tube is larger than the diameter of the mandrel.
Preferably, the mandrel, the feeding guide rail and the rack are parallel, the length of the mandrel is larger than that of the feeding guide rail or the rack, the left end of the mandrel is provided with a plug shaft, the left end of the plug shaft is provided with a spherical guide head, and the lengths of the feeding guide rail and the rack are equal.
Preferably, vertical guide rods are inserted into the upper support plates on two sides of the lifting oil cylinder, and the lower ends of the guide rods are fixed on the pressing plate.
Preferably, the lower bending die and the upper bending die have the same shape, the lower bending die comprises a rectangular module, one end of the module is provided with a circular boss, the outer ring of the boss is provided with a circular annular die cavity, the upper end surface of the module is provided with a U-shaped die cavity communicated with the annular die cavity, one side of the U-shaped die cavity, which is close to the annular die cavity, is provided with a linear groove penetrating through the rear end surface of the module, and the linear groove is communicated with the U-shaped die cavity; a semicircular groove opposite to the annular die cavity is formed in the stop lever on the movable support.
Preferably, the feeding mechanism on the automatic feeder comprises a feeding platform, the feeding platform is fixed on a feeding frame, a material rack bottom plate is fixed on the upper end face of the feeding platform, side support plates are fixed on two sides of the material rack bottom plate, an L-shaped inclined support plate is fixed on each side support plate, an upper baffle is arranged on the upper side of the bottom end of each inclined support plate, the upper baffle is fixed on each side support plate, a strip-shaped V-shaped bracket is arranged at the lower end of each inclined support plate, a plurality of fourth sliding blocks are fixed on the lower end face of each V-shaped bracket, longitudinal feeding guide rails are inserted in the fourth sliding blocks, and the feeding guide rails are fixed on the feeding platform; the left end of the feeding guide rail is fixedly provided with a 匚 -shaped positioning seat, two guide wheels which are distributed up and down are arranged in the positioning seat, and the guide wheels are hinged on the positioning seat through a hinge shaft and distributed at the outlet of a V-shaped groove on the V-shaped bracket; a V-shaped lower clamping block is fixed in a positioning seat at the left end of the guide wheel, an upper clamping block is arranged on the upper side of the lower clamping block, a pressing cylinder is fixed on the upper end surface of the positioning seat, and a piston rod of the pressing cylinder penetrates through the positioning seat to be fixed on the upper clamping block;
The V-shaped bracket is internally provided with a pushing block, a side support piece is formed on the pushing block, a piston rod of a pushing cylinder is fixedly connected to the side support piece of the pushing block, the pushing cylinder is fixed on a pushing cylinder seat, and the pushing cylinder seat is fixed on the side wall of the V-shaped bracket; the positioning seat is fixedly provided with a second connecting block, the second connecting block is fixedly connected with a piston rod of a feeding cylinder, the feeding cylinder is fixed on a feeding cylinder seat, and the feeding cylinder seat is fixed on a feeding platform.
Preferably, the lower extreme shaping of upper baffle has the notch, and the notch interpolation of upper baffle is equipped with the layering, is fixed with spacing cylinder on the side board, and the layering is fixed on spacing cylinder's piston rod, is fixed with on spacing cylinder downside's the inclined support board lower terminal surface and keeps off the material cylinder, and the piston rod that keeps off the material cylinder passes the inclined support board and exposes the up end of inclined support board.
Preferably, the pushing block is inserted with a longitudinal guide shaft, two ends of the guide shaft are inserted and fixed with L-shaped supporting blocks, and the supporting blocks are fixed on the side walls of the V-shaped brackets.
The invention has the beneficial effects that:
The equipment can automatically realize the automatic conveying of the linear copper pipe, can automatically bend and form the copper pipe into the S-shaped copper pipe which is continuously bent, can realize automatic blanking, and can effectively improve the production efficiency compared with the traditional processing technology.
Drawings
FIG. 1 is a schematic view of a three-dimensional structure of the present invention;
FIG. 2 is a schematic diagram of the front view of the present invention;
FIG. 3 is a schematic perspective view of an automatic feeder according to the present invention;
FIG. 4 is a schematic rear view of the automatic feeder of the present invention;
FIG. 5 is a schematic side view of the automatic feeder of the present invention;
FIG. 6 is an enlarged partial schematic view of FIG. 3A;
FIG. 7 is a schematic perspective view of an automatic pipe bender according to the present invention;
FIG. 8 is a schematic perspective view of a bending mechanism according to the present invention;
FIG. 9 is a schematic view of a bending mechanism according to another embodiment of the present invention;
FIG. 10 is a schematic elevational view of the bending mechanism of the present invention;
FIG. 11 is a schematic cross-sectional view of the structure at B-B in FIG. 10;
FIG. 12 is a schematic side view of the bending mechanism of the present invention;
FIG. 13 is a schematic perspective view of an automatic clamping and feeding mechanism according to the present invention;
FIG. 14 is a schematic diagram of the front view of the automatic clamping and feeding mechanism of the present invention;
FIG. 15 is a schematic side view of the automatic clamping and feeding mechanism of the present invention;
FIG. 16 is a schematic perspective view of a mandrel telescoping mechanism of the present invention;
fig. 17 is a schematic side view of the mandrel telescoping mechanism of the present invention.
Detailed Description
Examples: referring to fig. 1 to 17, the S-type automatic feeding pipe bender comprises an automatic feeding machine 10 and an automatic pipe bender 20, wherein the automatic feeding machine 10 comprises a feeding frame 11 and a feeding mechanism arranged on the feeding frame 11, and the automatic pipe bender 20 comprises a bending frame 21 and a bending device arranged on the bending frame 21; an obliquely arranged blanking plate 30 is arranged between the automatic feeder 10 and the automatic pipe bender 20, and two side edges of the blanking plate 30 are fixedly distributed on the feeding frame 11 and the bending frame 21;
The bending device on the bending rack 21 comprises a bending platform 22, a bending mechanism 23 is arranged at the left end of the bending platform 22, a mandrel telescopic mechanism 25 is arranged at the right end of the bending platform 22, a transverse mandrel 255 is arranged on the mandrel telescopic mechanism 25, and an automatic clamping and feeding mechanism 24 is arranged between the bending mechanism 23 and the mandrel telescopic mechanism 25;
The bending mechanism 23 comprises a lower rotary table 231 propped against the upper end surface of the left side of the bending platform 22, a rotary motor 232 is fixed on the lower end surface of the bending platform 22, a rotating shaft of the rotary motor 232 penetrates through the bending platform 22 to be fixedly spliced in the lower rotary table 231, a rotary bottom plate 233 is fixed on the upper end surface of the lower rotary table 231, the lower rotary table 231 is positioned at one end of the rotary bottom plate 233, a lower bending die 234 is fixed on the upper end surface of the rotary bottom plate 233, a vertical guide post 235 is fixed on one end of the rotary bottom plate 233 far away from the lower rotary table 231, a column sleeve 2315 is sleeved on the guide post 235, the column sleeve 2315 is fixedly spliced on the rotary top plate 237, an upper bending die 238 opposite to the lower bending die 234 is fixed on the lower end surface of the rotary top plate 237, an upper rotary top plate 239 opposite to the lower rotary top plate 231 is fixed on the upper rotary top plate 239, a rectangular pressing plate 2310 is hinged on the upper rotary top plate 2310, side supporting plates 2313 are arranged on two sides of the upper supporting plates 2314 are fixedly arranged on the lower supporting plates 22, lifting cylinders 2311 are fixedly arranged on the upper end surfaces of the upper supporting plates 2313, and the lifting cylinders 2311 penetrate through the upper supporting plates 2310 to be fixedly arranged on the piston rods 2310;
A longitudinal L-shaped movable bracket 236 is arranged at one side of the lower bending die 234, a stop lever 2361 is formed at the left end of the movable bracket 236, the movable bracket 236 is fixed on a transverse sliding plate 2316, a plurality of first sliding blocks 2317 are fixed on the lower end surface of the transverse sliding plate 2316, a transverse guide rail 2318 is inserted on the first sliding block 2317, a second sliding block 2320 is fixed on the lower end surface of the longitudinal sliding plate 2319, a longitudinal guide rail 2321 is inserted on the second sliding block 2320, the longitudinal guide rail 2321 is fixed on a bending platform 22, a longitudinal first cylinder 2323 is arranged between the longitudinal guide rails 2321, a piston rod of the first cylinder 2323 is fixed on a first connecting block 2322, the first connecting block 2322 is fixed on the lower end surface of the longitudinal sliding plate 2319, a cylinder support plate 2326 is fixed on the upper end surface of the longitudinal sliding plate 2319, a transverse second cylinder 2325 is fixed on the second cylinder 2324, and the second cylinder 2325 is fixed with an insertion block 2324 on the transverse sliding plate 2316;
The automatic clamping and feeding mechanism 24 comprises a feeding bottom plate 241, a longitudinal third sliding block 2410 is fixed on the lower end surface of the feeding bottom plate 241, a longitudinal feeding guide rail 2411 is inserted on the third sliding block 2410, and the feeding guide rail 2411 is fixed on the bending platform 22; the upper side of the feeding base plate 241 is provided with a feeding seat 247, the feeding seat 247 is inserted and sleeved on a mandrel 255, the two side walls of the feeding seat 247 are fixedly provided with first lifting air cylinders 248, the piston rods of the first lifting air cylinders 248 are fixedly arranged on the feeding base plate 241, the mandrel 255 at the left side of the feeding seat 247 is inserted and sleeved with an inner clamping tube 249, the left end of the inner clamping tube 249 is provided with a conical clamping head 2491, the clamping head 2491 is provided with a plurality of cutting grooves 2492, and the cutting grooves 2492 divide the clamping head 2491 into a plurality of circular arc clamping pieces; the inner clamping tube 249 is hinged in the feeding seat 247 through a bearing, the right end of the inner clamping tube 249 extends out of the feeding seat 247 and is fixedly sleeved with the driven pulley 2414, the driven pulley 2414 is connected with the driving pulley 2416 through the driving belt 2415, the driving pulley 2416 is fixedly sleeved on the rotating shaft of the turnover motor 2417, the turnover motor 2417 is fixedly arranged on the motor bracket 2418, and the motor bracket 2418 is fixedly arranged on the upper end of the feeding seat 247; the inner clamping pipe 249 is inserted with an outer clamping pipe 2412 and a rotary sleeve 242, the right end of the outer clamping pipe 2412 is fixed with the rotary sleeve 242, the outer wall of the rotary sleeve 242 is formed with an annular clamping groove and is inserted with a connecting ring 243, two opposite side walls of the connecting ring 243 are formed with lugs 2431, the lugs 2431 are fixedly connected with piston rods of clamping cylinders 2413, the clamping cylinders 2413 are fixed on connecting support plates 2419, and the connecting support plates 2419 are fixed on two side walls of a feeding seat 247; a feeding motor 245 is fixed on the upper end surface of the feeding bottom plate 241, a gear 246 is fixed on a rotating shaft of the feeding motor 245 through a plug bush of the feeding bottom plate 241, the gear 246 is meshed with a longitudinal rack 244, and the rack 244 is fixed on the bending platform 22.
Preferably, the mandrel telescoping mechanism 25 includes a fixed seat 251, a retraction cylinder 252 is fixed on the fixed seat 251, a support 253 is fixed on a piston rod of the retraction cylinder 252, a vertical hard rail 2531 is formed on the support 253, a hard rail groove is formed on the hard rail 2531, a T-shaped linkage head 254 is inserted on the hard rail 2531, the right end of the mandrel 255 is fixed on the linkage head 254, an L-shaped support plate 256 is fixed at the upper end of the support 253, a second lifting cylinder 257 is fixed on the support plate 256, and a piston rod of the second lifting cylinder 257 passes through the support plate 256 to be fixed on the linkage head 254.
Preferably, the inner wall of the front end of the outer clamping tube 2412 on the automatic clamping and feeding mechanism 24 is formed with a chamfer with the same angle as the conical angle of the chuck 2491, the front end of the outer clamping tube 2412 is inserted and sleeved on the chuck 2491, the diameter of the inner wall of the outer clamping tube 2412 is equal to the diameter of the outer wall of the inner clamping tube 249, and the diameter of the inner wall of the inner clamping tube 249 is larger than the diameter of the mandrel 255.
Preferably, the mandrel 255, the feeding guide rail 2411 and the rack 244 are parallel, the length of the mandrel 255 is greater than that of the feeding guide rail 2411 or the rack 244, a plug shaft is formed at the left end of the mandrel 255, a spherical guide head is formed at the left end of the plug shaft, and the lengths of the feeding guide rail 2411 and the rack 244 are equal.
Preferably, vertical guide rods 2312 are inserted into the upper support plates 2313 at both sides of the lifting cylinder 2311, and the lower ends of the guide rods 2312 are fixed on the pressing plate 2310.
Preferably, the shape of the lower bending die 234 is the same as that of the upper bending die 238, the lower bending die 234 includes a rectangular module, one end of the module is formed with a circular boss 2341, an outer ring of the boss 2341 is formed with a circular annular die slot a, a U-shaped die slot b communicated with the annular die slot a is formed on an upper end face of the module, a linear groove c penetrating through a rear end face of the module is formed on one side of the U-shaped die slot b near the annular die slot a, and the linear groove c is communicated with the U-shaped die slot b; a semicircular groove 2362 opposite to the annular die groove a is formed on the stop lever 2361 of the movable support 236.
Preferably, the feeding mechanism on the automatic feeder 10 comprises a feeding platform 12, the feeding platform 12 is fixed on a feeding frame 11, a material frame bottom plate 13 is fixed on the upper end surface of the feeding platform 12, side support plates 14 are fixed on two sides of the material frame bottom plate 13, an L-shaped inclined support plate 15 is fixed on the side support plates 14, an upper baffle 16 is arranged on the upper side of the bottom end of the inclined support plate 15, the upper baffle 16 is fixed on the side support plates 14, a strip-shaped V-shaped bracket 110 is arranged at the lower end of the inclined support plate 15, a plurality of fourth sliding blocks 111 are fixed on the lower end surface of the V-shaped bracket 110, longitudinal feeding guide rails 112 are inserted in the fourth sliding blocks 111, and the feeding guide rails 112 are fixed on the feeding platform 12; the left end of the feeding guide rail 112 is fixed with a 匚 -shaped positioning seat 118, two guide wheels 119 which are distributed up and down are arranged in the positioning seat 118, and the guide wheels 119 are hinged on the positioning seat 118 through a hinge shaft and distributed at the outlet of a V-shaped groove on the V-shaped bracket 110; a V-shaped lower clamping block 120 is fixed in a positioning seat 118 at the left end of the guide wheel 119, an upper clamping block 121 is arranged on the upper side of the lower clamping block 120, a pressing cylinder 122 is fixed on the upper end surface of the positioning seat 118, and a piston rod of the pressing cylinder 122 passes through the positioning seat 118 to be fixed on the upper clamping block 121;
The V-shaped bracket 110 is internally provided with a pushing block 113, a side support piece is formed on the pushing block 113, a piston rod of a pushing cylinder 116 is fixedly connected to the side support piece of the pushing block 113, the pushing cylinder 116 is fixed on a pushing cylinder seat 117, and the pushing cylinder seat 117 is fixed on the side wall of the V-shaped bracket 110; the positioning seat 118 is fixedly provided with a second connecting block 125, the second connecting block 125 is fixedly connected with a piston rod of a feeding cylinder 123, the feeding cylinder 123 is fixed on a feeding cylinder seat 124, and the feeding cylinder seat 124 is fixed on the feeding platform 12.
Preferably, a notch 161 is formed at the lower end of the upper baffle 16, a pressing bar 17 is inserted into the notch 161 of the upper baffle 16, a limiting cylinder 18 is fixed on the side support plate 14, the pressing bar 17 is fixed on a piston rod of the limiting cylinder 18, a material blocking cylinder 19 is fixed on the lower end surface of the inclined support plate 15 at the lower side of the limiting cylinder 18, and the piston rod of the material blocking cylinder 19 penetrates through the inclined support plate 15 to expose the upper end surface of the inclined support plate 15.
Preferably, the pushing block 113 is inserted with a longitudinal guiding shaft 114, two ends of the guiding shaft 114 are inserted and fixed with L-shaped supporting blocks 115, and the supporting blocks 115 are fixed on the side wall of the V-shaped bracket 110.
Working principle: the invention relates to an S-shaped automatic feeding pipe bender, which mainly comprises an automatic feeding machine 10 and an automatic pipe bender 20, wherein a blanking plate 30 is arranged between the automatic feeding machine 10 and the automatic pipe bender 20, the automatic feeding machine 10 can automatically convey linear copper pipes for the automatic pipe bender 20, the automatic pipe bender 20 can bend the linear copper pipes into continuous S-shaped pipe fittings, and finally the movable pipe bender 20 conveys the bent pipe fittings to the blanking plate 30 and discharges the pipe fittings through the blanking plate 30;
A longitudinal copper pipe can be placed on the inclined supporting plate 15 on the automatic feeder 10, the copper pipe falls on the V-shaped bracket 110, then the V-shaped bracket 110 is pushed out of the feeding platform 12 by the feeding cylinder 123, the positioning seat 118 is opposite to the mandrel 255 on the automatic pipe bender 20, then the pushing cylinder 116 is driven, the copper pipe is pushed out of the V-shaped bracket 110 by the pushing cylinder 116, and the copper pipe is inserted into the left end of the mandrel 255;
When the copper pipe is positioned on the mandrel 255, the automatic pipe bending machine 20 is started, an automatic clamping feeding mechanism 24 on the automatic pipe bending machine 20 moves the left end of the mandrel 255, an inner clamping pipe 249 is inserted and sleeved to the right end of the copper pipe, then a clamping cylinder 2413 is driven, the clamping cylinder 2413 realizes that an outer clamping pipe 2412 moves rightwards, the outer clamping pipe 2412 presses a clamping head 2491 of the inner clamping pipe 249 to realize that the clamping head 2491 clamps the copper pipe, then the automatic clamping feeding mechanism 24 pulls the copper pipe to be completely inserted and sleeved on the mandrel 255, and the left end of the copper pipe is positioned in a bending mechanism 23;
then the lower bending die 234 on the bending mechanism 23 rotates to realize that the linear groove c and the copper pipe are on the same straight line, the copper pipe is inserted in the linear groove c by feeding the automatic clamping and feeding mechanism 24, then the upper bending die 238 is pressed on the lower bending die 234, the mandrel 255 is retracted under the action of the mandrel telescopic mechanism 25, the lower bending die 234 rotates, the copper pipe is bent along the annular die groove a of the lower bending die 234, a stop lever 2361 moves transversely downwards to one side of the lower bending die 234 and then longitudinally moves to abut against the copper pipe, the auxiliary copper pipe is U-shaped, after one bending is finished, the upper bending die 238 and the stop lever 2361 are reset, the copper pipe on the first lifting cylinder 248 on the automatic clamping and feeding mechanism 24 and the second lifting cylinder 257 on the mandrel telescopic mechanism 25 move upwards, after the upper moving, the automatic clamping and feeding mechanism 24 advances, simultaneously the mandrel telescopic mechanism 25 realizes mandrel advancing support, and the turnover motor 2417 on the movable clamping and feeding mechanism 24 realizes 180-degree turnover of the inner clamping pipe 249 through belt transmission, and the lower bending die 234 rotates to drive the station, the automatic clamping and the feeding mechanism 24 and the mandrel telescopic mechanism 25 to fall down on the U-shaped copper pipe 234, and the copper pipe is bent and the annular die 234 to move downwards and then the copper pipe to bend and bend in the annular die groove a, and the bending groove a circulation mode; thereby bending the pipe fitting into a continuous S-shaped pipe fitting;
finally, the S-shaped pipe fitting is separated from the automatic pipe bending machine 20 through the release of the inner clamping pipe 249 and the rotation of the rotary bottom plate 233, and then the material is discharged; with the steps, the cyclic automatic pipe bending process can be realized.
The examples are presented to illustrate the invention and are not intended to limit the invention. Modifications to the described embodiment may occur to those skilled in the art without departing from the spirit and scope of the invention, and the scope of the invention is therefore set forth in the appended claims.
Claims (7)
- S-shaped automatic feeding pipe bending machine comprises an automatic feeding machine (10) and an automatic pipe bending machine (20), and is characterized in that: the automatic feeder (10) comprises a feeding frame (11) and a feeding mechanism arranged on the feeding frame (11), and the automatic pipe bender (20) comprises a bending frame (21) and a bending device arranged on the bending frame (21); a obliquely arranged blanking plate (30) is arranged between the automatic feeder (10) and the automatic pipe bending machine (20), and two side edges of the blanking plate (30) are fixedly distributed on the feeding frame (11) and the bending frame (21);The bending device on the bending rack (21) comprises a bending platform (22), a bending mechanism (23) is arranged at the left end of the bending platform (22), a mandrel telescopic mechanism (25) is arranged at the right end of the bending platform (22), a transverse mandrel (255) is arranged on the mandrel telescopic mechanism (25), and an automatic clamping and feeding mechanism (24) is arranged between the bending mechanism (23) and the mandrel telescopic mechanism (25);The bending mechanism (23) comprises a lower rotary table (231) propped against the upper end face of the left side of the bending platform (22), a rotary motor (232) is fixed on the lower end face of the bending platform (22), a rotating shaft of the rotary motor (232) penetrates through the bending platform (22) to be fixed in the lower rotary table (231) in a plugging manner, a rotary bottom plate (233) is fixed on the upper end face of the lower rotary table (231), the lower rotary table (231) is positioned at one end of the rotary bottom plate (233), a lower bending die (234) is fixed on the upper end face of the rotary bottom plate (233), a vertical guide pillar (235) is fixed at one end of the rotary bottom plate (233) far away from the lower rotary table (231), a column sleeve (2315) is sleeved on the guide pillar (235), the column sleeve (2315) is fixedly plugged on a rotary top plate (237), an upper bending die (238) opposite to the lower bending die (234) is fixed on the lower end face of the rotary top plate (237), an upper end face of the rotary top plate (237) is fixedly provided with an upper bending die (239) opposite to the lower bending die (231), a rectangular pressing plate (2310) is hinged on the upper die (2310), an upper side of the pressing plate (2310) is provided with an upper supporting plate (2313) opposite side of the upper supporting plate (2314), the upper supporting plate (2314) is fixed on two sides of the rotary table (22), a lifting oil cylinder (2311) is fixed on the upper end surface of the upper supporting plate (2313), and a piston rod of the lifting oil cylinder (2311) penetrates through the upper supporting plate (2313) to be fixed on the pressing plate (2310);One side of the lower bending die (234) is provided with a longitudinal L-shaped movable bracket (236), the left end of the movable bracket (236) is provided with a stop lever (2361), the movable bracket (236) is fixed on a transverse sliding plate (2316), a plurality of first sliding blocks (2317) are fixed on the lower end face of the transverse sliding plate (2316), transverse guide rails (2318) are inserted and connected on the lower end face of the longitudinal sliding plate (2319), a second sliding block (2320) is fixed on the lower end face of the longitudinal sliding plate (2319), a longitudinal guide rail (2321) is inserted and connected on the second sliding plate (2320), the longitudinal guide rail (2321) is fixed on a bending platform (22), a longitudinal first cylinder (2323) is arranged between the longitudinal guide rails (2321), a piston rod of the first cylinder (2323) is fixed on a first connecting block (2322), the first connecting block (2322) is fixed on the lower end face of the longitudinal sliding plate (2319), a second sliding plate (2320) is fixed on the upper end face of the longitudinal sliding plate (2319), and a second cylinder (2324) is inserted and connected on the second cylinder (2324) in a transverse sliding plate (2324);The automatic clamping and feeding mechanism (24) comprises a feeding bottom plate (241), a longitudinal third sliding block (2410) is fixed on the lower end surface of the feeding bottom plate (241), a longitudinal feeding guide rail (2411) is inserted on the third sliding block (2410), and the feeding guide rail (2411) is fixed on the bending platform (22); the upper side of the feeding bottom plate (241) is provided with a feeding seat (247), the feeding seat (247) is sleeved on the mandrel (255), the two side walls of the feeding seat (247) are fixedly provided with first lifting air cylinders (248), piston rods of the first lifting air cylinders (248) are fixedly arranged on the feeding bottom plate (241), the mandrel (255) on the left side of the feeding seat (247) is sleeved with an inner clamping tube (249), the left end of the inner clamping tube (249) is provided with a conical clamping head (2491), the clamping head (2491) is provided with a plurality of cutting grooves (2492), and the cutting grooves (2492) divide the clamping head (2491) into a plurality of circular arc clamping pieces; the inner clamping tube (249) is hinged in the feeding seat (247) through a bearing, the right end of the inner clamping tube (249) extends out of the feeding seat (247) and is fixedly sleeved with the driven belt wheel (2414), the driven belt wheel (2414) is connected with the driving belt wheel (2416) through the driving belt (2415), the driving belt wheel (2416) is fixedly sleeved on the rotating shaft of the turnover motor (2417), the turnover motor (2417) is fixedly arranged on the motor bracket (2418), and the motor bracket (2418) is fixedly arranged on the upper end of the feeding seat (247); the inner clamping tube (249) is inserted with an outer clamping tube (2412) and a rotary sleeve (242), the right end of the outer clamping tube (2412) is fixedly provided with the rotary sleeve (242), the outer wall of the rotary sleeve (242) is provided with an annular clamping groove in a forming mode and is inserted with a connecting ring (243), two opposite side walls of the connecting ring (243) are provided with lugs (2431) in a forming mode, the lugs (2431) are fixedly connected with piston rods of clamping cylinders (2413), the clamping cylinders (2413) are fixedly connected with connecting support plates (2419), and the connecting support plates (2419) are fixedly connected with two side walls of a feeding seat (247); a feeding motor (245) is fixed on the upper end surface of the feeding bottom plate (241), a rotating shaft of the feeding motor (245) penetrates through the feeding bottom plate (241) to be sleeved with a gear (246), the gear (246) is meshed with a longitudinal rack (244), and the rack (244) is fixed on the bending platform (22);the mandrel telescoping mechanism (25) comprises a fixed seat (251), a rollback cylinder (252) is fixed on the fixed seat (251), a support (253) is fixed on a piston rod of the rollback cylinder (252), a vertical hard rail (2531) is formed on the support (253), a hard rail groove is formed on the hard rail (2531), a T-shaped linkage head (254) is inserted on the hard rail (2531), the right end of the mandrel (255) is fixed on the linkage head (254), an L-shaped support plate (256) is fixed at the upper end of the support (253), a second lifting cylinder (257) is fixed on the support plate (256), and the piston rod of the second lifting cylinder (257) penetrates through the support plate (256) to be fixed on the linkage head (254);The feeding mechanism on the automatic feeder (10) comprises a feeding platform (12), the feeding platform (12) is fixed on a feeding frame (11), a material frame bottom plate (13) is fixed on the upper end face of the feeding platform (12), side support plates (14) are fixed on two sides of the material frame bottom plate (13), L-shaped inclined support plates (15) are fixed on the side support plates (14), an upper baffle plate (16) is arranged on the upper side of the bottom end of each inclined support plate (15), the upper baffle plate (16) is fixed on each side support plate (14), a strip-shaped V-shaped bracket (110) is arranged at the lower end of each inclined support plate (15), a plurality of fourth sliding blocks (111) are fixed on the lower end face of each V-shaped bracket (110), longitudinal feeding guide rails (112) are inserted in the fourth sliding blocks (111), and the feeding guide rails (112) are fixed on the feeding platform (12); the left end of the feeding guide rail (112) is fixedly provided with a 匚 -shaped positioning seat (118), two guide wheels (119) which are distributed up and down are arranged in the positioning seat (118), and the guide wheels (119) are hinged on the positioning seat (118) through a hinge shaft and distributed at the outlets of V-shaped grooves on the V-shaped bracket (110); a V-shaped lower clamping block (120) is fixed in a positioning seat (118) at the left end of the guide wheel (119), an upper clamping block (121) is arranged on the upper side of the lower clamping block (120), a pressing cylinder (122) is fixed on the upper end surface of the positioning seat (118), and a piston rod of the pressing cylinder (122) penetrates through the positioning seat (118) to be fixed on the upper clamping block (121);A pushing block (113) is arranged in the V-shaped bracket (110), a side support piece is formed on the pushing block (113), a piston rod of a pushing cylinder (116) is fixedly connected to the side support piece of the pushing block (113), the pushing cylinder (116) is fixed on a pushing cylinder seat (117), and the pushing cylinder seat (117) is fixed on the side wall of the V-shaped bracket (110); the positioning seat (118) is fixedly provided with a second connecting block (125), the second connecting block (125) is fixedly connected with a piston rod of a feeding cylinder (123), the feeding cylinder (123) is fixed on a feeding cylinder seat (124), and the feeding cylinder seat (124) is fixed on the feeding platform (12).
- 2. The S-type auto-feed pipe bender according to claim 1, wherein: the inner wall of the front end of the outer clamping tube (2412) on the automatic clamping and feeding mechanism (24) is formed with a chamfer with the same conical angle as the chuck (2491), the front end of the outer clamping tube (2412) is inserted and sleeved on the chuck (2491), the diameter of the inner wall of the outer clamping tube (2412) is equal to the diameter of the outer wall of the inner clamping tube (249), and the diameter of the inner wall of the inner clamping tube (249) is larger than the diameter of the mandrel (255).
- 3. The S-type auto-feed pipe bender according to claim 1, wherein: the mandrel (255), the feeding guide rail (2411) and the rack (244) are parallel, the length of the mandrel (255) is greater than that of the feeding guide rail (2411) or the rack (244), an inserting shaft is formed at the left end of the mandrel (255), a spherical guide head is formed at the left end of the inserting shaft, and the lengths of the feeding guide rail (2411) and the rack (244) are equal.
- 4. The S-type auto-feed pipe bender according to claim 1, wherein: vertical guide rods (2312) are inserted into the upper support plates (2313) on two sides of the lifting oil cylinder (2311), and the lower ends of the guide rods (2312) are fixed on the pressing plate (2310).
- 5. The S-type auto-feed pipe bender according to claim 1, wherein: the lower bending die (234) and the upper bending die (238) are the same in shape, the lower bending die (234) comprises a rectangular module, a circular boss (2341) is formed at one end of the module, a circular annular die groove (a) is formed at the outer ring of the boss (2341), a U-shaped die groove (b) communicated with the annular die groove (a) is formed on the upper end face of the module, a linear groove (c) penetrating through the rear end face of the module is formed at one side, close to the annular die groove (a), of the U-shaped die groove (b), and the linear groove (c) is communicated with the U-shaped die groove (b); a semicircular groove (2362) opposite to the annular die groove (a) is formed on a stop lever (2361) on the movable support (236).
- 6. The S-type auto-feed pipe bender according to claim 1, wherein: the lower extreme shaping of overhead gage (16) has notch (161), and notch (161) interpolation of overhead gage (16) are equipped with layering (17), are fixed with spacing cylinder (18) on side board (14), and layering (17) are fixed on the piston rod of spacing cylinder (18), are fixed with on the lower terminal surface of oblique layer board (15) of spacing cylinder (18) downside and keep off material cylinder (19), and the piston rod of keeping off material cylinder (19) passes oblique layer board (15) and exposes the up end of oblique layer board (15).
- 7. The S-type auto-feed pipe bender according to claim 1, wherein: the push block (113) is inserted with a longitudinal guide shaft (114), two ends of the guide shaft (114) are inserted and fixed with L-shaped support blocks (115), and the support blocks (115) are fixed on the side wall of the V-shaped bracket (110).
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| TWI738505B (en) * | 2020-09-14 | 2021-09-01 | 喬陞機器股份有限公司 | Stabilized pipe fitting conveying and measuring device |
| CN112317574A (en) * | 2020-11-09 | 2021-02-05 | 苏州集美金属制品有限公司 | Automatic copper pipe bending equipment and using method thereof |
| CN114210873B (en) * | 2021-12-03 | 2023-08-18 | 江苏富捷刀业有限公司 | Full-automatic S-shaped plough arm hot forging forming machine |
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| CN201880776U (en) * | 2010-09-30 | 2011-06-29 | 黄伟明 | Pipe bending machine integrating straightening, material-cutting and three-dimensional numerically-controlled pipe-bending functions |
| CN104826925B (en) * | 2015-04-13 | 2017-01-11 | 张家港江苏科技大学产业技术研究院 | Bending and forming production line |
| CN108787818A (en) * | 2018-07-17 | 2018-11-13 | 张家港市越泰精密机械有限公司 | Bending machine |
| CN108672517A (en) * | 2018-07-18 | 2018-10-19 | 中山精达特克机械有限公司 | A kind of pipe fitting Combined machining equipment |
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