EP3903957A1 - Intelligent automatic multi-combination cold extrusion device for steel pipe - Google Patents

Intelligent automatic multi-combination cold extrusion device for steel pipe Download PDF

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Publication number
EP3903957A1
EP3903957A1 EP21170966.2A EP21170966A EP3903957A1 EP 3903957 A1 EP3903957 A1 EP 3903957A1 EP 21170966 A EP21170966 A EP 21170966A EP 3903957 A1 EP3903957 A1 EP 3903957A1
Authority
EP
European Patent Office
Prior art keywords
steel pipe
cylinder
plate
host
rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP21170966.2A
Other languages
German (de)
English (en)
French (fr)
Inventor
Dirou Yang
Bing Lin
Ye Tao
Lang YI
Feng Wang
Yang Liang
Dun Liu
Tiejun HANG
Jianjun Yang
Jianfang Li
Fuzhong Chen
Hao Chen
Chixiang YIN
Kefei JIANG
Jing Yang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Jfeng Scaffolding & Formwork Co Ltd
China Construction Fifth Engineering Bureau Co Ltd
Original Assignee
Hunan Jfeng Scaffolding & Formwork Co Ltd
China Construction Fifth Engineering Bureau Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hunan Jfeng Scaffolding & Formwork Co Ltd, China Construction Fifth Engineering Bureau Co Ltd filed Critical Hunan Jfeng Scaffolding & Formwork Co Ltd
Publication of EP3903957A1 publication Critical patent/EP3903957A1/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • 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
    • 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
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
    • 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
    • B21D43/02—Advancing work in relation to the stroke of the die or tool
    • B21D43/026—Combination of two or more feeding devices provided for in B21D43/04 - B21D43/18
    • 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
    • B21D43/02—Advancing work in relation to the stroke of the die or tool
    • B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
    • B21D43/10—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers
    • B21D43/105—Manipulators, i.e. mechanical arms carrying a gripper element having several degrees of freedom
    • 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
    • B21D43/02—Advancing work in relation to the stroke of the die or tool
    • B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
    • B21D43/12—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by chains or belts
    • 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
    • B21D43/20—Storage arrangements; Piling or unpiling

Definitions

  • the invention relates to a technical field of a manufacturing device of a steel pipe support rod piece, more specifically, in particular to an intelligent automatic multi-combination cold extrusion device for a steel pipe.
  • the steel pipe supporter in the building field has a variety of types and gradually moves to a regional and industrial standardization.
  • the main components thereof are a rod piece, a cross rod, an inclined strut and a connecting apparatus.
  • the manufacturing process for the rod piece mainly comprises blanking a rod piece pipe, manufacturing a connecting apparatus and connecting the rod piece pipe and the connecting apparatus.
  • the connection of the rod piece pipe and the connecting apparatus mainly adopts common manual welding and automatic welding.
  • the invention aims to provide an intelligent automatic multi-combination cold extrusion device for a steel pipe to overcome the defects in the prior art.
  • An intelligent automatic multi-combination cold extrusion device for a steel pipe comprises a steel pipe feeding mechanism, a host automatic grabbing mechanism, a finished product stacking mechanism, a host die setting mechanism, a steel pipe joint placing mechanism, a device rack and a control system, wherein the steel pipe feeding mechanism is provided on one side of the device rack, the steel pipe joint placing mechanism is provided on the device rack, the host die setting mechanism is provided on the other side of the steel pipe joint placing mechanism, and the finished product stacking mechanism is provided on the other side of the device rack; the control system controls the steel pipe feeding mechanism to convey the steel pipe to the steel pipe joint placing mechanism for automatic or manual loading; after the loading is completed, the control system controls the host automatic grabbing mechanism to convey the steel pipe to the host die setting mechanism for cold extrusion of the steel pipe by the host die setting mechanism; and after the cold extrusion is completed, the control system controls the finished product stacking mechanism to perform blanking and stacking on the steel pipe.
  • the steel pipe feeding mechanism comprises a feeding rack, a feeding unit and a driving motor, wherein a plurality of feeding units are provided on the feeding rack, and each feeding unit comprises an L-shaped frame, a driving sprocket, a driven sprocket, a pen-shaped cylinder, a cross rod, a rotary block, a chain and a catch jaw;
  • the L-shaped frame is mounted on the feeding rack, and the upper surface of the bottom edge of the L-shaped frame is of a structure inclining towards the inner side;
  • the driving sprocket and the driven sprocket are respectively mounted at the lower end and the upper end of the side edge of the L-shaped frame;
  • the chain is connected between the driving sprocket and the driven sprocket; at least two pairs of catch jaws are provided on the chain;
  • the cross rod is mounted at the upper end of the side edge of the L-shaped frame through the rotary block;
  • the pen-shaped cylinder is mounted at the lower end of the
  • the host automatic grabbing mechanism comprises a grabbing mechanism frame, a transverse guide rail assembly, a transverse movement assembly, an up-down movement assembly, a support rod, a pipe grabbing pneumatic assembly and a transverse movement rod
  • the grabbing mechanism frame is provided on the device rack
  • the transverse guide rail assembly is mounted on the grabbing mechanism frame
  • the transverse movement assembly is mounted on the transverse guide rail assembly through a rodless cylinder
  • the up-down movement assembly is mounted on the transverse movement assembly through a first cylinder
  • the support rod is mounted at the lower end of the up-down movement assembly
  • at least two pipe grabbing pneumatic assemblies are mounted on the support rod.
  • the pipe grabbing pneumatic assembly comprises a linear shaft, a cylinder fixing block, a second cylinder, a first connecting block, a cylinder shaft, a press jaw, a second connecting block and a speed adjusting joint, wherein the upper ends of the two press jaws are respectively movably connected with the lower ends of the two second connecting blocks; the middles of the two press jaws are respectively movably connected with the two ends of the cylinder fixing block; the upper ends of the two second connecting blocks are respectively movably connected with the two ends of the first connecting block; the second cylinder is mounted on the cylinder fixing block; the speed adjusting joint is provided on the second cylinder; the cylinder shaft of the second cylinder is connected with the middle of the first connecting block; and the linear shaft is mounted at the lower end of the cylinder fixing block.
  • the steel pipe joint placing mechanism is a steel pipe positioning mechanism that comprises a first base support, a transverse positioning apparatus provided on the first base support, and an axial positioning apparatus provided on the device rack and located at two ends of the first base support;
  • the transverse positioning apparatus comprises a plurality of positioning units, each positioning unit comprising a U-shaped bottom plate, a rotary disc, a positioning block, a connecting block, a stationary round block and a movable shaft;
  • the movable shafts are mounted on the inner sides of two side plates of the U-shaped bottom plate;
  • the positioning block is mounted on the movable shaft;
  • the lower end of each of the positioning blocks is mounted with a connecting post;
  • an elongated slot is provided on the bottom plate of the U-shaped bottom plate;
  • the lower end of each connecting post is movably connected with one end of one connecting block, the bottom of the connecting post cooperates with the elongated slot, and the other end of the connecting block is movably connected with one end of the stationary round block
  • the steel pipe joint placing mechanism is an automatic loading mechanism that comprises a steel pipe swing mechanism, an accessory conveying mechanism and an accessory mounting push rod mechanism; a steel pipe fixed position is provided on the device rack, the steel pipe swing mechanism is mounted at one end of the steel pipe fixed position, the accessory conveying mechanism is provided on the device rack on one side of the steel pipe fixed position, and the accessory mounting push rod mechanism is provided at the other end of the steel pipe fixed position; the steel pipe swing mechanism is used for fixing the steel pipe at the steel pipe fixed position, and the accessory mounting push rod mechanism is used for automatically mounting an accessory conveyed from the accessory conveying mechanism on the steel pipe; the steel pipe swing mechanism comprises a mechanism mounting plate, a steel pipe clamping mechanism and a swing mechanism; a notch is provided on the device rack; the mechanism mounting plate is mounted on the device rack at the lower end of the notch; the steel pipe clamping mechanism is provided on the mechanism mounting plate and extends out through the notch; the swing mechanism is mounted on the mechanism mounting plate for driving the steel pipe clamping mechanism to swing; the steel pipe clamping
  • the finished product stacking mechanism comprises a stacking mechanism rack assembly, a steel pipe lifting mechanism and a steel pipe dropping mechanism; both the front and rear sides of the stacking mechanism rack assembly are provided with a linear rail; the steel pipe lifting mechanism is provided at the rear side of the stacking mechanism rack assembly and cooperates with the linear rail at the rear side of the stacking mechanism rack assembly; and the steel pipe dropping mechanism is provided at the front side of the stacking mechanism rack assembly and cooperates with the linear rail at the front side of the stacking mechanism rack assembly.
  • the steel pipe lifting mechanism comprises a first standard cylinder, a rear support plate, side support plates, a positioning rod, steel pipe brackets, rotary rods and a turnover mechanism, wherein the first standard cylinder is mounted on the stacking mechanism rack assembly, the power end of the first standard cylinder is connected with the rear support plate; the side support plates are provided on two sides of the rear support plate respectively; the positioning rod is provided between the two side support plates; the rotary rod is provided between the ends of the two side support plates; the steel pipe bracket is provided on each rotary rod; a first stop block is provided at the outer side end of each steel pipe bracket; a first steel pipe groove is provided on each steel pipe bracket; the turnover mechanism is provided on the rotary rod; the turnover mechanism comprises a pressure spring, a screw, a U-shaped positioning angle plate, a turnover collision rod, a stationary side plate and a stationary stop post, wherein the turnover collision rod is mounted on the rotary rod, the bottom plate of the U-shaped positioning angle plate is mounted on the side support plate; the screw is provided on
  • the steel pipe dropping mechanism comprises a first short connecting rod, a first long connecting rod, a second long connecting rod, a second short connecting rod, a top plate, an upper bracket, a second slide rail and a second standard cylinder, wherein the upper bracket is provided at two ends of the top plate respectively, a second stop block is provided at the outer side end of each upper bracket, a second steel pipe groove is provided on each upper bracket, the second slide rail corresponding to the front side linear rail of the stacking mechanism rack assembly is provided at the inner side of the top plate, the middle of the top plate is movably connected with the two second short connecting rods, the lower end of each second short connecting rod is movably connected with the second long connecting rod, the middles of the two second long connecting rods are movably connected, the lower end of each second long connecting rod is movably connected with the first long connecting rod, the middles of the two first long connecting rods are movably connected, the lower end of each first long connecting rod is movably connected with the first short connecting rod, and the lower ends
  • the host die setting mechanism comprises a host frame assembly and a plurality of host die setting units provided on the host frame assembly; a host sleeve mechanism is further provided on the outer side of the first host die setting unit; a distance measuring displacement sensor is correspondingly mounted on the host frame assembly at the lower end of each host die setting unit; a joint positioning mechanism is mounted on each host die setting unit; each host die setting unit comprises a host force arm assembly, a first oil cylinder, a second oil cylinder, a rodless cylinder group and a die setting plate, wherein the host force arm assembly comprises two groups of force arm units, the lower end of the first oil cylinder is movably connected with the lower end of one group of force arm units, the lower end of the second oil cylinder is movably connected with the lower end of the other group of force arm units, the first oil cylinder and the second oil cylinder are both mounted at the power end of the rodless cylinder group, the rodless cylinder group is mounted on the host frame assembly, the upper ends of the two groups of force arm units
  • the invention has the following advantages.
  • a steel pipe is conveyed through the steel pipe feeding mechanism to the steel pipe joint placing mechanism, and manual or automatic loading (namely a loading of a connecting apparatus) is carried out in the steel pipe joint placing mechanism, and then the host automatic grabbing mechanism conveys the steel pipe loaded with the connecting apparatus to the host die setting mechanism for cold extrusion machining, and after the machining is completed, the steel pipe is discharged through the finished product stacking mechanism.
  • cold extrusion treatment of the steel pipe and the connecting apparatus can be automatically achieved.
  • 10-steel pipe feeding mechanism 20-host automatic grabbing mechanism, 30-finished product stacking mechanism 30, 40-host die setting mechanism, 50- steel pipe joint placing mechanism, 60-device rack; 110-feeding rack, 111-L-shaped frame, 112-driving motor, 113-driving sprocket, 114-driven sprocket, 115-pen-shaped cylinder, 116-cross rod, 117-rotary block, 118-chain, 119-catch jaw,20-limiting rod; 200-grabbing mechanism frame, 201-transverse guide rail assembly, 202-ransverse movement assembly, 203-up-down movement assembly, 204-buffer, 205-support rod, 206-pipe grabbing pneumatic assembly, 207-stationary catch block, 208-transverse movement rod, 209-cylinder support leg, 210-cylinder connecting plate, 211-first cylinder, 212-rodless cylinder, 213-linear bearing, 214-linear shaft, 215-cylinder fixing block, 216-second cylinder, 217
  • the present invention provides an intelligent automatic multi-combination cold extrusion device for a steel pipe that comprises a steel pipe feeding mechanism 10, a host automatic grabbing mechanism 20, a finished product stacking mechanism 30, a host die setting mechanism 40, a steel pipe joint placing mechanism 50, a device rack 60 and a control system 70.
  • the steel pipe feeding mechanism 10 is provided on one side of the device rack 60.
  • the steel pipe joint placing mechanism 50 is provided on the device rack 6.
  • the host die setting mechanism 40 is provided on the other side of the steel pipe joint placing mechanism 50.
  • the finished product stacking mechanism 30 is provided on the other side of the device rack 60.
  • the control system 70 controls the steel pipe feeding mechanism 10 to convey the steel pipe to the steel pipe joint placing mechanism 50 for automatic or manual loading.
  • control system controls the host automatic grabbing mechanism 20 to convey the steel pipe to the host die setting mechanism 40 for cold extrusion of the steel pipe by the host die setting mechanism 40, and after the cold extrusion is completed, the control system controls the finished product stacking mechanism 30 to perform blanking and stacking on the steel pipe.
  • the working flow of the intelligent automatic multi-combination cold extrusion device for a steel pipe is as follows.
  • a steel pipe is conveyed through the steel pipe feeding mechanism 10 to the steel pipe joint placing mechanism 50, and manual or automatic loading (namely a loading of a connecting apparatus) is carried out in the steel pipe joint placing mechanism 50.
  • the host automatic grabbing mechanism 20 conveys the steel pipe loaded with the connecting apparatus to the host die setting mechanism 40 for cold extrusion machining.
  • the finished product stacking mechanism 30 performs blanking and stacking (namely, discharging) on the steel pipe.
  • the control system in the present invention may be formed by selecting an existing PLC system, and the corresponding PLC is set according to the working flow of the intelligent automatic multi-combination cold extrusion device for a steel pipe.
  • the steel pipe feeding mechanism 10 comprises a feeding rack 110, a feeding unit and a driving motor 112.
  • a plurality of feeding units are provided on the feeding rack 110.
  • Each feeding unit comprises an L-shaped frame 111, a driving sprocket 113, a driven sprocket 114, a pen-shaped cylinder 115, a cross rod 116, a rotary block 117, a chain 118 and a catch jaw 119.
  • the L-shaped frame 111 is mounted on the feeding rack1 10.
  • the upper surface of the bottom edge of the L-shaped frame 111 is of a structure inclining towards the inner side.
  • the driving sprocket 113 and the driven sprocket 114 are respectively mounted at the lower end and the upper end of the side edge of the L-shaped frame 111.
  • the chain 118 is connected between the driving sprocket 113 and the driven sprocket 114. At least two pairs of catch jaws 119 are provided on the chain 118.
  • the cross rod 116 is mounted at the upper end of the side edge of the L-shaped frame 111 through the rotary block 117.
  • the pen-shaped cylinder 115 is mounted at the lower end of the side edge of the L-shaped frame 111.
  • the middle of the cross rod 116 is movably connected with the output end of the pen-shaped cylinder 115.
  • the output shaft of the driving motor 112 is connected with the driving sprocket 113.
  • the inner side of the side edge of each L-shaped frame 111 is provided with a limiting rod 120.
  • the limiting rod 120 is mounted on the feeding rack 110 through a stationary plate. And, the distance between the limiting rod 120 and the side edge of the L-shaped frame 111 can just accommodate one steel pipe, that is, the limiting rod 120 functions to prevent the catch jaws 119 from lifting a plurality of steel pipes at one time; each catch jaw 119 is provided with a groove matched with the steel pipe.
  • the steel pipe feeding mechanism 10 places a plurality of steel pipes on the L-shaped frames 111, and because the upper surface of the bottom edge of the L-shaped frame 111 is of a structure inclining towards the inner side, the steel pipes located on the L-shaped frames 111 can stack up towards the inner side automatically.
  • the catch jaws 119 on the chain 118 lift the steel pipes to the cross rod 116.
  • the cross rod 116 can be prevented from inclining. and then the steel pipes on the cross rod 116 can automatically fall to the steel pipe joint placing mechanism 50.
  • This steel pipe feeding mechanism 10 can carry out a batch lifting processing to the steel pipes.
  • the steel pipe joint placing mechanism 50 is a steel pipe positioning mechanism that comprises a first base support 500, a transverse positioning apparatus provided on the first base support 500, and an axial positioning apparatus provided on the device rack 60 and located at two ends of the first base support 500.
  • the transverse positioning apparatus comprises a plurality of positioning units 501, and each positioning unit comprises a U-shaped bottom plate 502, a rotary disc 504, a positioning block 505, a connecting block 507, a stationary round block 508 and a movable shaft 509.
  • the movable shafts 509 are mounted on the inner sides of two side plates of the U-shaped bottom plate 502.
  • the positioning blocks 505 are mounted on the movable shafts 509.
  • each of the positioning blocks 505 is mounted with a connecting post 506.
  • An elongated slot 511 is provided on the bottom plate of the U-shaped bottom plate 502.
  • the lower end of each connecting post 506 is movably connected with an end of the connecting block 507, the bottom of the connecting post 506 cooperates with the elongated slot 511, and the other end of the connecting block 507 is movably connected with one end of the stationary round block 508.
  • the rotary disc 504 is mounted at the upper end of the stationary round block 508.
  • Each movable shaft 509 is provided on the side plate of the U-shaped bottom plate 502 through a guide sleeve 503.
  • a column 510 is provided on the movable shaft 509 located outside the side plate of the U-shaped bottom plate 502.
  • the steel pipe is conveyed to the steel pipe joint placing mechanism 50 through the steel pipe feeding mechanism 10, and the steel pipe is placed between the two positioning blocks 505.
  • a recess cooperating with the connecting apparatus to be charged are provided in the positioning block 505, and according to the size of the different connecting apparatus to be charged, the positioning blocks 505 can adjust the distance between the two positioning blocks 505 under the action of the rotary disc 504, the connecting block 507, the stationary round block 508 and the movable shaft 509 to adapt to the size of the connecting apparatus.
  • the axial positioning apparatus can limit the axial displacement of the steel pipe
  • the transverse positioning apparatus can limit the front and back displacement of the steel pipe
  • the positioning block 505 can limit the up and down displacement of the steel pipe.
  • the host automatic grabbing mechanism 2 comprises a grabbing mechanism frame 200, a transverse guide rail assembly 201, a transverse movement assembly 202, an up-down movement assembly 203, a support rod 205, a pipe grabbing pneumatic assembly 206 and a transverse movement rod 208.
  • the grabbing mechanism frame 200 is provided on the device rack 6, the transverse guide rail assembly 201 is mounted on the grabbing mechanism frame 200, the transverse movement assembly 202 is mounted on the transverse guide rail assembly 201 through a rodless cylinder 212, the up-down movement assembly 203 is mounted on the transverse movement assembly 202 through a first cylinder 211, the support rod 205 is mounted at the lower end of the up-down movement assembly 203, and at least two pipe grabbing pneumatic assemblies 206 are mounted on the support rod 205.
  • the transverse movement assembly 202 comprises the transverse movement rod 208 and the rodless cylinder 212, and the middle of the transverse movement rod 208 is connected with the transverse guide rail assembly 201 through the rodless cylinder 212.
  • the rodless cylinder 212 drives the transverse movement rod 208 to move back and forth along the transverse guide rail assembly 201 when in use.
  • the two sides of the transverse movement rod 208 are provided with a buffer 204 corresponding to the rodless cylinder 212, and the buffers 204 on the two sides can play a role of buffering.
  • the two ends of the transverse movement rod 208 are provided with a guide apparatus comprising a linear bearing 213 and a guide shaft, wherein the guide shaft is mounted on the grabbing mechanism frame 200, and the linear bearings 213 cooperates with the guide shaft so as to play a role of guiding during the transverse movement rod 208 moves back and forth along the transverse guide rail assembly 201.
  • the lower end of the support rod 205 is uniformly provided with stationary catch blocks 207, and each stationary catch block 207 is provided with a catch groove corresponding to the steel pipe, so that after the pipe grabbing pneumatic assembly 206 grabs the steel pipe, the upper end of the steel pipe adapts to the catch groove of the stationary catch block 207.
  • the first cylinder 211 is mounted on the transverse movement rod 208 through the cylinder support leg 209 and the cylinder connecting plate 210.
  • the pipe grabbing pneumatic assembly 206 comprises a linear shaft 214, a cylinder fixing block 215, a second cylinder 216, a first connecting block 217, a cylinder shaft 218, press jaws 219, a second connecting block 220 and a speed adjusting joint 221.
  • the upper ends of the two press jaws 219 are respectively movably connected with the lower ends of the two second connecting blocks 220.
  • the middles of the two press jaws 219 are respectively movably connected with the two ends of the cylinder fixing block 215.
  • the upper ends of the two second connecting blocks 220 are respectively movably connected with the two ends of the first connecting block 217.
  • the second cylinder 216 is mounted on the cylinder fixing block 215.
  • the speed adjusting joint 221 is provided on the second cylinder 216.
  • the cylinder shaft 218 of the second cylinder 216 is connected with the middle of the first connecting block 217.
  • the linear shaft 214 is mounted at the lower end of the cylinder fixing block 215; wherein the cylinder fixing block 215 is mounted at the upper end of the support rod 205 through the linear shaft 214.
  • the second cylinder 216 drives the first connecting block 217 to raise upwards, and under the action of the second connecting block 220 and the cylinder fixing block 215, the two press jaws 219 contract to grab the steel pipe; conversely, the second cylinder 216 drives the first connecting block 217 to descend downwards, which can drive the two press jaws 219 to open to release the steel pipe.
  • the transverse movement assembly 202 controls the pipe grabbing pneumatic assembly 206 to move to a position above the steel pipe joint placing mechanism 50
  • the up-down movement assembly 203 controls the pipe grabbing pneumatic assembly 206 to descend to the grabbing position under the action of the first cylinder 211
  • the up-down movement assembly 203 and the transverse movement assembly 202 move the steel pipe to the position of the host die setting mechanism 40 and loosen the steel pipe, and therefore the steel pipe feeding and grabbing operation is completed.
  • the host die setting mechanism 40 comprises a host frame assembly 400 and a plurality of host die setting units provided on the host frame assembly 400.
  • a host sleeve mechanism 402 is further provided on the outer side of the first host die setting unit.
  • a distance measuring displacement sensor 401 is correspondingly mounted on the host frame assembly 400 at the lower end of each host die setting unit.
  • a joint positioning mechanism 404 is mounted on each host die setting unit.
  • Each host die setting unit comprises a host force arm assembly 403, a first oil cylinder 407, a second oil cylinder 408, a rodless cylinder group 409 and a die setting plate 410.
  • the host force arm assembly 403 comprises two groups of force arm units.
  • the lower end of the first oil cylinder 407 is movably connected with the lower end of one group of force arm units
  • the lower end of the second oil cylinder 408 is movably connected with the lower end of the other group of force arm units
  • the first oil cylinder 407 and the second oil cylinder are both mounted at the power end of the rodless cylinder group 409.
  • the rodless cylinder group 409 is mounted on the host frame assembly 400.
  • the upper ends of the two groups of force arm units are movably connected through the die setting plate 410.
  • the die setting plate 410 and the two groups of force arm units form a cavity for accommodating the steel pipe.
  • a cutting die 406 is provided at the upper end of the die setting plate 410.
  • Boss dovetail dies 405 are uniformly provided on the inner side at the upper end of the die setting plate 410 and the upper ends of the two force arm units.
  • the host force arm assembly 403 is a force-multiplying lever mechanism.
  • the rodless cylinder group 409 drives the first oil cylinder 407 and the second oil cylinder 408 to rise to a preset point, the first oil cylinder 407 and the second oil cylinder 408 begin to extend, and the tail of the force arm is unfolded outwards by taking a connecting part of the force arm and the die setting plate 410 as a fulcrum, and thus the effect of double-force cold extrusion is achieved.
  • each group of force arm units consists of two force arms.
  • the joint positioning mechanism 404 comprises two groups of positioning units mounted between the two force arms.
  • Each group of positioning units comprises a positioning cylinder and a positioning plate provided at the end of the positioning cylinder, the positioning cylinder is fixedly mounted between the two force arms, and the positioning plate is mounted at the power end of the positioning cylinder.
  • the positioning cylinder drives the positioning plate to position the steel pipe.
  • the host sleeve mechanism 402 comprises two sleeve force arms 4020 and two sleeve cylinders 4021. Lower ends of the two sleeve force arms 4020 are movably mounted on the host frame assembly 400, and the upper end of each sleeve force arm 4020 is connected with the power end of one sleeve cylinder 4021.
  • the sleeve cylinders 4021 are fixedly mounted on a workbench 411 that is located at the upper end of the host frame assembly 400 and corresponds to the plurality of host die setting units.
  • the distance measuring displacement sensor 401 mainly functions to detect a measurement precision of the force arm extension distance, thereby a pressed depth of the cold extruded steel pipe can be detected visually.
  • the host automatic grabbing mechanism 2 places the steel pipe loaded with the connecting apparatus at the host die setting unit, and the rodless cylinder group 409 drives a force arm cylinder to drive the host force arm assembly 403 to cold-extrude the connecting apparatus onto the steel pipe by the host die setting unit.
  • the finished product stacking mechanism 30 is a discharging mechanism that comprises a stacking mechanism rack assembly 301, a steel pipe lifting mechanism 302 and a steel pipe dropping mechanism 304. Both the front and rear sides of the stacking mechanism rack assembly 301 are provided with a linear rail 303.
  • the steel pipe lifting mechanism 302 is provided at the rear side of the stacking mechanism rack assembly 301 and cooperates with the linear rail 303 at the rear side of the stacking mechanism rack assembly 301
  • the steel pipe dropping mechanism 304 is provided at the front side of the stacking mechanism rack assembly 301 and cooperates with the linear rail 303 at the front side of the stacking mechanism rack assembly 301.
  • the steel pipe lifting mechanism 302 comprises a first standard cylinder 305, a rear support plate 309, side support plates 314, a positioning rod 315, a steel pipe bracket 310, a rotary rod 318 and a turnover mechanism.
  • the first standard cylinder 305 is mounted on the stacking mechanism rack assembly 301, and the power end of the first standard cylinder 305 is connected with the rear support plate 309.
  • the side support plates 314 are provided on two sides of the rear support plate 309 respectively.
  • the positioning rod 315 is provided between the two side support plates 304.
  • the rotary rod 318 is provided between the ends of the two side support plates 304.
  • the steel pipe bracket 310 is provided on each rotary rod 318.
  • Afirst stop block for preventing the steel pipe falling down is provided at the outer side end of each steel pipe bracket 310.
  • a first steel pipe groove 320 is provided on each steel pipe bracket 310.
  • the turnover mechanism is provided on the rotary rod 318.
  • the turnover mechanism comprises a pressure spring 311, a screw 312, a U-shaped positioning angle plate 313, a turnover collision rod 317, a stationary side plate 331 and a stationary stop post 332.
  • the turnover collision rod 317 is mounted on the rotary rod 318.
  • the bottom plate of the U-shaped positioning angle plate 313 is provided on the side support plate 314.
  • the screw 312 is provided on the side plate at the lower end of the U-shaped positioning angle plate 313, and the pressure spring 311 is located on the screw 312.
  • the upper end of the pressure spring 311 is connected with the turnover collision rod 317.
  • the stationary side plate 331 is provided at the upper end of the stacking mechanism rack assembly 301.
  • the stationary stop post 332 is provided on the inner side of the stationary side plate 331, and corresponds with the end of the turnover collision rod 317.
  • the rear support plate 309 is connected with the side support plate 314 through the connecting angle plate 316.
  • the connecting angle plate 316 is provided with a first slide rail 308 corresponding to the rear side linear rail 303 of the stacking mechanism rack assembly 301.
  • the steel pipe lifting mechanism 302 can move up and down through the cooperation of the first slide rail 308 and the linear rail 303.
  • a shaft sleeve 319 is provided on the rotary rod 318 at the inner side of the side support plate 314 so as to fix the position of the side support plate 314.
  • the rear support plate 309 is provided with a cylinder connecting plate 307 provided with a cylinder connecting seat 306.
  • the power end of the first standard cylinder 305 is connected with the cylinder connecting seat 306.
  • the steel pipe dropping mechanism 304 comprises a first short connecting rod 322, a first long connecting rod 323, a second long connecting rod 324, a second short connecting rod 325, a top plate 326, an upper bracket 327, a second slide rail 328 and a second standard cylinder 330.
  • the upper bracket 327 is provided at two ends of the top plate 326 respectively.
  • a second stop block for preventing the steel pipe falling down is provided at the outer side end of each upper bracket 327.
  • a second steel pipe groove 329 is provided on each upper bracket 327.
  • the second slide rail 328 corresponding to the front side linear rail 303 of the stacking mechanism rack assembly 301 is provided at the inner side of the top plate 326.
  • the middle of the top plate 326 is movably connected with the two second short connecting rods 325.
  • the lower end of each second short connecting rod 325 is movably connected with the second long connecting rod 324.
  • the middles of the two second long connecting rods 324 are movably connected.
  • the lower end of each second long connecting rod 324 is movably connected with the first long connecting rod 323.
  • the middles of the two first long connecting rods 323 are movably connected.
  • the lower end of each first long connecting rod 323 is movably connected with the first short connecting rod 322.
  • the lower ends of the two first short connecting rods 322 are movably connected.
  • the lower end of the second standard cylinder 330 is mounted at the joint of the first short connecting rod 322 and the first long connecting rod 323, and the power end of the second standard cylinder 322 is movably mounted at the middle and lower part of one of the second long connecting rods 324.
  • the second standard cylinder 330 is activated to drive the upper bracket 327 to move up and down.
  • the first standard cylinder 305 is activated to drive the steel pipe bracket 310 to lift the cold extruded steel pipe (i.e. the steel pipe with the connecting apparatus mounted), and when the end of the turnover collision rod 317 collides the stationary stop post 332, the turnover collision rod 317 drives the rotary rod 318 to rotate inwardly, and at this time, the steel pipe on the steel pipe bracket 310 rolls and falls onto the stationary side plate 331 and falls directly onto the upper bracket 327 of the steel pipe dropping mechanism 304 due to the inertia effect, and at this time, the second standard cylinder 330 contracts to drive the upper bracket 327 to descend to the discharging plate 337.
  • the steel pipe on the upper bracket 327 falls along the bottom edge of the L-shaped recess 338 on the discharging plate 337 into a material placing area formed by material placing rods 336, so that the discharging of one steel pipe is completed, and the steel pipe lifting mechanism 302 and the steel pipe dropping mechanism 304 are reset so as to facilitate the discharging of the next steel pipe.
  • the rack assembly 301 comprises a square frame 333, two front support legs 334 provided at the front end of the square frame 333, and two rear support legs 335 provided at the rear end of the square frame 333.
  • the height of the rear support leg 335 is larger than that of the front support leg 334.
  • the front support legs 334 are connected with the rear support legs 335 through the material placing rods 336.
  • the material placing area is formed on the material placing rod 336.
  • the linear rails 303 are provided on the front side and the rear side of the rear support leg 335 respectively.
  • the steel pipe dropping mechanism 304 and the steel pipe lifting mechanism 302 are respectively provided on the front side and the rear side of the rear support leg 335.
  • the material placing rod 336 is connected with the rear support leg 334 through a discharging plate 337.
  • An L-shaped recess 338 is provided in the discharging plate 337, and an obtuse angle is formed between the upper surface of the bottom edge of the L-shaped recess 338 and the inner surface of the side edge of the L-shaped recess 338.
  • the height of an end of the material placing rod 336 on the side of the rear support leg 335 is greater than that of the other end of the material placing rod 336 on the side of the front support leg 334, so that the material placing rod 336 forms an inclined structure, and thus steel pipes can be sequentially stacked in the material placing area.
  • the structure of the rack assembly 301 not only can mount the steel pipe dropping mechanism 304, but also can mount the steel pipe lifting mechanism 302. Meanwhile, by providing the material placing area, the steel pipe on the steel pipe lifting mechanism can be conveniently input into the steel pipe dropping mechanism, then the steel pipe on the steel pipe dropping mechanism is input into the material placing area. Moreover, the rack assembly is compact in structure and easy to be machined and mounted.
  • the control system 70 comprises a communication control module 701, a crimping control module 702, and a PLC control module 703, wherein the communication control module 701 is used for uploading data of the device to an enterprise cloud platform 704 through a 4G SIM card or an ethernet to implement real-time monitoring of the device data; the crimping control module 702 is used for controlling a host force arm assembly 403 in the host die setting unit, and the crimping control module 702 may further acquire action data (e.g., a clamping angle etc.) of the force arm in the host force arm assembly 403, and calculate a reasonable clamping force of the host force arm assembly 403 according to the action data to implement accurate control.
  • the PLC control module 703 is used for controlling the actions of the steel pipe feeding mechanism 10, the host automatic grabbing mechanism 20, the finished product stacking mechanism 30 and the steel pipe joint placing mechanism 50.
  • the process flow of the system controlled by the control system 70 is as follows.
  • the PLC control module 703 controls the steel pipe feeding mechanism 10 to convey the steel pipe to the steel pipe joint placing mechanism 50 for automatic or manual loading. After the loading is completed, the PLC control module 703 controls the host automatic grabbing mechanism 20 to convey the steel pipe to the host die setting mechanism 40, and the crimping control module 702 controls the host die setting mechanism 40 to perform cold extrusion on the steel pipe. After the cold extrusion is completed, the PLC control module 703 controls the finished product stacking mechanism 30 to perform blanking and stacking on the steel pipe.
  • the steel pipe joint placing mechanism 50 in this embodiment is an automatic loading mechanism that comprises a steel pipe swing mechanism 520, an accessory conveying mechanism 521 and an accessory mounting push rod mechanism 522, and a steel pipe fixed position is provided on the device rack 60.
  • the steel pipe swing mechanism 520 is mounted at one end of the steel pipe fixed position.
  • the accessory conveying mechanism 521 is provided on the device rack 60 on one side of the steel pipe fixed position.
  • the accessory mounting push rod mechanism 522 is provided at the other end of the steel pipe fixed position.
  • the steel pipe swing mechanism 520 is used for fixing the steel pipe at the steel pipe fixed position, and the accessory mounting push rod mechanism 522 is used for automatically mounting an accessory (i.e., the connecting apparatus) conveyed from the accessory conveying mechanism 521 on the steel pipe.
  • the steel pipe swing mechanism 520 comprises a mechanism mounting plate 5200, a steel pipe clamping mechanism and a swing mechanism.
  • a notch 5201 is provided on the device rack 60.
  • the mechanism mounting plate 5200 is mounted on the device rack 60 at the lower end of the notch 5201.
  • the steel pipe clamping mechanism is provided on the mechanism mounting plate 5200 and extends out through the notch 5201.
  • the swing mechanism is mounted on the mechanism mounting plate 5200 for driving the steel pipe clamping mechanism to swing;
  • the steel pipe clamping mechanism comprises a steel pipe placing plate 5202, a clamping plate 5203, a first link 5204 and a clamping cylinder 5205.
  • the swing mechanism comprises a swing motor 5206, a speed reducer 5207, a swinging plate 5208, a swinging rod 5210, a second link 5211, a third second link 5212 and a fourth second link 5213.
  • the front side and the back side of the mechanism mounting plate 5200 are provided with the swinging plate 5208 respectively.
  • An arc swinging groove 5209 is provided on swinging plate 5208.
  • the lower end of the steel pipe placing plate 5202 is provided in the arc swinging groove 5209 through the two swinging rods 5210, and the upper end of the steel pipe placing plate 5202 is provided with a steel pipe recess matched with the steel pipe.
  • the clamping plates 5203 are movably mounted on the two sides of the upper end of the steel pipe placing plate 5202 respectively.
  • An accommodating recess for accommodating the steel pipe is provided on the opposite inner sides of the two clamping plates 5203.
  • the lower end of one of the clamping plates 5203 is connected with the clamping cylinder 5205 through the first link 5204.
  • the clamping cylinder 5205 is mounted at the lower end of the swinging plate 5208.
  • the output end of the swing motor 5206 is connected with one end of the second link 5211 through the speed reducer 5207.
  • the other end of the second link 5211 is connected to the middle of the fourth second link 5213 through the third second link 5212.
  • the lower end of the fourth second link 5213 is movably connected to the mechanism mounting plate 5200, and the other end of the fourth second link 5213 is movably connected with one of the swinging rods 5210.
  • the steel pipe is placed at the steel pipe fixed position, one end of the steel pipe is located within the steel pipe recess at the upper end of the steel pipe placing plate 5202, and the clamping cylinder 5205 drives the clamping plates 5203 through the first link 5204 to clamp and position the steel pipe within the steel pipe recess. Because there is an inevitable size tolerance and burr obstruction during the mounting of the accessory to the pipe, the designed steel pipe clamping mechanism can realize the clamping of the steel pipe under the action of the cylinder extension force.
  • the speed reducer 5207 rotates to drive the swing mechanism to rotate the steel pipe 180 degrees, that is, the swing motor 5206 outputs power to the speed reducer 5207, and the speed reducer 5207 drives the steel pipe placing plate 5202 through the second link 5211, the third second link 5212 and the fourth second link 5213 to swing back and forth along the arc swinging groove 5209, so that the accessory can be smoothly inserted into the steel pipe.
  • the accessory conveying mechanism 521 is a chain conveying mechanism mounted on one side of the device rack 60, and accessories on the chain conveying mechanism are conveyed to the steel pipe fixed positions one by one.
  • the accessory mounting push rod mechanism 522 comprises an accessory mounting cylinder 5220, a stationary plate 5221, a push rod 5222 and a link telescopic mechanism 5223.
  • the accessory mounting cylinder 5220 is mounted on the device rack 60 through the stationary plate 5221.
  • the push rod 5222 is connected with the power end of the accessory mounting cylinder 5220.
  • One end of the link telescopic mechanism 5223 is movably connected to the stationary plate 5221, and the other end of the link telescopic mechanism 5223 is movably connected to the lower side of one end of the steel pipe fixed position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Metal Extraction Processes (AREA)
EP21170966.2A 2020-04-30 2021-04-28 Intelligent automatic multi-combination cold extrusion device for steel pipe Withdrawn EP3903957A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010367023.1A CN111496109B (zh) 2020-04-30 2020-04-30 一种智能自动钢管多组合冷挤压设备

Publications (1)

Publication Number Publication Date
EP3903957A1 true EP3903957A1 (en) 2021-11-03

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Application Number Title Priority Date Filing Date
EP21170966.2A Withdrawn EP3903957A1 (en) 2020-04-30 2021-04-28 Intelligent automatic multi-combination cold extrusion device for steel pipe

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EP (1) EP3903957A1 (zh)
CN (1) CN111496109B (zh)

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CN114289543A (zh) * 2021-12-28 2022-04-08 上海建工四建集团有限公司 一种精制直角钢龙骨挤压成型方法及设备
CN114406111A (zh) * 2022-03-14 2022-04-29 深圳市华盛源机电有限公司 一种基于散热器加工用的自动化打点装置
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CN114871737A (zh) * 2022-05-24 2022-08-09 义乌市汇典科技有限公司 一种自动上簧机
CN115406768A (zh) * 2022-08-25 2022-11-29 广州市恒力检测股份有限公司 一种绝缘靴自动灌装钢珠耐压试验装置
CN115446221A (zh) * 2022-11-10 2022-12-09 江苏助您智能机械科技有限公司 一种轻量化模架冲压供料机构
CN115445948A (zh) * 2022-08-23 2022-12-09 四川思创博睿工业设计有限公司 一种挤出管材高精度在线检测设备
CN115488788A (zh) * 2022-08-30 2022-12-20 苏州特精模具有限公司 一种应用于五金件冲压模具的夹持定位机构
CN115805385A (zh) * 2023-02-03 2023-03-17 河北汇中管道装备有限公司 钢管合缝焊接装置
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CN116618754A (zh) * 2023-04-23 2023-08-22 江苏久日机床科技有限公司 一种钢管端头加工用便于固定的倒角机及使用方法
CN117428023A (zh) * 2023-11-24 2024-01-23 张家港市凤凰铝业有限公司 一种具有调节功能的铝型材挤压机
CN117900063A (zh) * 2024-01-24 2024-04-19 江苏迎凯涂装设备有限公司 一种锻件涂装设备
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CN114082555A (zh) * 2021-11-19 2022-02-25 中国联合工程有限公司 一种钢管内外壁涂覆装置
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CN114289543B (zh) * 2021-12-28 2023-11-17 上海建工四建集团有限公司 一种精制直角钢龙骨挤压成型方法及设备
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CN114619676A (zh) * 2022-03-14 2022-06-14 绍兴文理学院元培学院 一种用于周向带孔塑料环的钢珠自动装填机构
CN114789201B (zh) * 2022-05-05 2024-05-10 张家港长力机械有限公司 一种用于冷床的调整装置
CN114789201A (zh) * 2022-05-05 2022-07-26 张家港长力机械有限公司 一种用于冷床的调整装置
CN114833620A (zh) * 2022-05-12 2022-08-02 赣州中科拓又达智能装备科技有限公司 一种机械手智能上料钢丝的专机
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