CN112642980B - Full-automatic cold heading machine - Google Patents

Full-automatic cold heading machine Download PDF

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Publication number
CN112642980B
CN112642980B CN202011574819.0A CN202011574819A CN112642980B CN 112642980 B CN112642980 B CN 112642980B CN 202011574819 A CN202011574819 A CN 202011574819A CN 112642980 B CN112642980 B CN 112642980B
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CN
China
Prior art keywords
cylinder
rod
workbench
guide rail
groove
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Application number
CN202011574819.0A
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Chinese (zh)
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CN112642980A (en
Inventor
周理
杨华
黄志定
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Taizhou Airui Automation Technology Co ltd
Liuzhou Jingda Automobile Brake Pipe Manufacturing Co ltd
Original Assignee
Taizhou Airui Automation Technology Co ltd
Liuzhou Jingda Automobile Brake Pipe Manufacturing Co ltd
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Application filed by Taizhou Airui Automation Technology Co ltd, Liuzhou Jingda Automobile Brake Pipe Manufacturing Co ltd filed Critical Taizhou Airui Automation Technology Co ltd
Priority to CN202011574819.0A priority Critical patent/CN112642980B/en
Publication of CN112642980A publication Critical patent/CN112642980A/en
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Publication of CN112642980B publication Critical patent/CN112642980B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00—Forging presses
    • B21J9/02—Special design or construction
    • B21J9/06—Swaging presses; Upsetting presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00—Details of machines for forging, pressing, or hammering
    • B21J13/08—Accessories for handling work or tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00—Forging presses
    • B21J9/10—Drives for forging presses
    • B21J9/18—Drives for forging presses operated by making use of gearing mechanisms, e.g. levers, spindles, crankshafts, eccentrics, toggle-levers, rack bars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00—Forging presses
    • B21J9/10—Drives for forging presses
    • B21J9/20—Control devices specially adapted to forging presses not restricted to one of the preceding subgroups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K27/00—Handling devices, e.g. for feeding, aligning, discharging, Cutting-off means; Arrangement thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

The invention aims to provide a full-automatic cold heading machine which comprises a workbench a, an automatic feeding mechanism, a workbench b, an automatic conveying and feeding assembly, a workbench c, a left heading mechanism, a workbench d and a right heading mechanism; the workbench a and the workbench b are sequentially arranged side by side along the front-back direction, and the workbench c and the workbench d are respectively arranged on the left side and the right side of the workbench c; the automatic feeding mechanism is arranged on the workbench a, the automatic conveying and feeding assembly is arranged on the workbench b, the left pier head mechanism is arranged on the workbench c, and the right pier head mechanism is arranged on the workbench d; the automatic feeding mechanism is used for conveying the rod materials to the automatic conveying and feeding assembly, and the automatic conveying and feeding assembly conveys the rod materials to the left pier head mechanism and the right pier head mechanism in sequence for cold heading and then sends the rod materials out of the workbench d. The invention has the characteristics of scientific and reasonable structure, lower noise, convenient operation, higher automation degree and precision and the like.

Description

Full-automatic cold heading machine
Technical Field
The invention relates to the field of mechanical equipment, in particular to a full-automatic cold heading machine.
Background
At present, hydraulic forming technology is mostly used for cold forming of pipe end holes, the efficiency is low, the precision is not high, the noise is large, and the rejection rate is high. The full-automatic cold heading machine has the disadvantages of troublesome adjustment and control process, low precision and low efficiency. This limits the production efficiency and production cost of cold forming of the tube end holes to a great extent.
Disclosure of Invention
The invention aims to provide a full-automatic cold heading machine which has the characteristics of scientific and reasonable structure, lower noise, convenient operation, higher automation degree and precision and the like.
The technical scheme of the invention is as follows:
the full-automatic cold heading machine comprises a workbench a, an automatic feeding mechanism, a workbench b, an automatic conveying and feeding assembly, a workbench c, a left heading mechanism, a workbench d and a right heading mechanism;
the workbench a and the workbench b are sequentially arranged side by side along the front-back direction, and the workbench c and the workbench d are respectively arranged at the left side and the right side of the workbench b;
the automatic feeding mechanism is arranged on the workbench a, the automatic conveying and feeding assembly is arranged on the workbench b, the left pier head mechanism is arranged on the workbench c, and the right pier head mechanism is arranged on the workbench d;
the automatic feeding mechanism is used for conveying the rod materials to the automatic conveying and feeding assembly, and the automatic conveying and feeding assembly conveys the rod materials to the left pier head mechanism and the right pier head mechanism in sequence for cold heading and then sends the rod materials out of the workbench d;
the left pier head mechanism and the right pier head mechanism have the same structure and respectively comprise a clamping mechanism and a cold heading mechanism; the table surfaces of the working table c and the working table d are provided with a clamping mechanism and a cold heading mechanism;
the clamping mechanism comprises a clamping seat, a positioning block, a positioning groove, a sliding groove, a clamping block, a hydraulic oil cylinder and an oil cylinder mounting seat;
on the workbench c and the workbench d, the clamping seats are arranged on one side close to the workbench b, and the cold heading mechanisms are arranged on one side far away from the workbench b;
a positioning block is arranged on one side of the top surface of the clamping seat, an oil cylinder mounting seat is arranged on the other side of the top surface of the clamping seat, and a positioning groove is formed in the side surface, facing the oil cylinder mounting seat, of the positioning block;
the hydraulic oil cylinder is arranged on the front side surface of the oil cylinder mounting seat, and a piston rod of the hydraulic oil cylinder penetrates through the oil cylinder mounting seat and horizontally extends towards the positioning block; the sliding chute is arranged between the positioning block and the oil cylinder mounting seat; the clamping block is arranged in the sliding groove and fixedly connected with a piston rod of the hydraulic oil cylinder, a pressing groove corresponding to the positioning groove is formed in the side face, facing the positioning block, of the clamping block, the positioning groove and the pressing groove are matched to clamp the rod material together, and the port of the rod material is aligned to the cold heading mechanism;
the cold heading mechanism comprises a cold heading power mechanism, a guide rail a, a sliding table a, a servo motor d, a sliding table b, a guide rail b, a punch mounting plate and a cold heading punch; the table surfaces of the working table c and the working table d are both provided with horizontal guide rails a, and one ends of the guide rails a extend towards the clamping mechanism; the cold heading power mechanism is connected with the sliding table a and drives the sliding table a to perform feed motion along the guide rail a; a horizontal guide rail b is arranged on the side surface of the sliding table a facing the clamping mechanism, and the sliding table b is arranged on the guide rail b; the servo motor d is arranged on the sliding table a and connected with the sliding table b to drive the sliding table b to perform feed motion along the guide rail b; a punch mounting plate is arranged on the side surface of the sliding table b facing the clamping mechanism, and the cold heading punch is arranged on the punch mounting plate; the height of the cold heading punch is consistent with that of the rod material clamped by the clamping mechanism, and the sliding table b is driven to move by the servo motor a, so that the position of the cold heading punch is adjusted to be aligned with the position of a hole to be headed of the end of the rod material;
the device also comprises a proximity switch a, a tactile switch and a control chip, wherein the proximity switch a is arranged on the top surface of the clamping seat, is close to the right side surface of the positioning block, is vertically upward in the testing direction and corresponds to the rod material in the positioning groove; the tactile switch is arranged on the left side surface of the sliding table a and behind the cold heading punch, and corresponds to the rod material in the positioning groove when the clamping mechanism and the cold heading mechanism are at initial positions;
proximity switch a, tactile switch and control chip electricity be connected, control chip with cold-heading power unit, servo motor a electricity be connected, when proximity switch a, tactile switch detected the pole material simultaneously, control chip control servo motor a moved a station and makes the cold-heading drift aim at the pole material, then control cold-heading power unit drive cold-heading drift move left and carry out the cold-heading to the pole material end.
The cold heading power mechanism comprises a servo motor a, a belt pulley transmission mechanism, a screw rod a and a sliding block a; the side that fixture was kept away from to slip table a be equipped with slider a, workstation c and workstation d the top surface on all be equipped with lead screw a, lead screw a passes through the bearing frame and the bearing installation, is connected with slider a, workstation c and workstation d on all be equipped with servo motor d, servo motor d passes through belt pulley drive mechanism and is connected with lead screw a, drive lead screw a and then drive slider a, slip table a remove along guide rail a.
The top surfaces of the workbench c and the workbench d are respectively provided with a power mechanism zero switch, a power mechanism limit switch, a transverse moving zero switch and a transverse moving limit switch; on the top surface of the workbench c, a power mechanism zero switch and a power mechanism limit switch are sequentially arranged from left to right and are close to and face the guide rail a; on the top surface of the workbench d, a power mechanism zero switch and a power mechanism limit switch are sequentially arranged from right to left and are close to and face the guide rail a; the power mechanism zero switch is used for zeroing the position of the sliding table a, and the power mechanism limit switch is used for limiting the limit position of the sliding table a moving backwards;
the transverse moving limit switch and the transverse moving zero switch are sequentially arranged on the left side edge of the top surface of the sliding table a from front to back, the transverse moving limit switch and the transverse moving zero switch extend above the guide rail b, and the detection end faces the guide rail b; the transverse movement limit switch is used for limiting the limit position of the forward movement of the sliding table b, and the transverse movement zero switch is used for zeroing the position of the sliding table b;
the power mechanism zero switch, the power mechanism limit switch, the transverse moving zero switch and the transverse moving limit switch are all proximity switches.
The full-automatic cold heading machine also comprises a nut conveying device and a nut positioning and clamping device;
the nut conveying device comprises a base, a vibration motor, a spring, a vibration cylinder, a material arranging long groove, a conveying channel, a nut clamping mechanism, a camera support and a camera;
the lower bottom surface of the vibrating cylinder is arranged on the upper surface of the top plate of the base through a plurality of groups of uniformly distributed springs; the vibration motor is arranged in the base and is connected with the lower surface of the top plate of the base;
the inner wall of the vibration cylinder is provided with a spiral guide belt, the starting end of the spiral guide belt is positioned at the bottom of the vibration cylinder, the outlet end of the spiral guide belt is positioned at the top of the vibration cylinder, and the bottom surface of the vibration cylinder is used for storing bolts; the inner side wall of the upper section of the spiral guide belt is provided with a material-sorting hole; the height of the material-finishing hole is smaller than the longitudinal height of the nut and larger than the width of the nut, so that the lying nut can fall back into the vibration cylinder;
the top end of the side wall of the vibration cylinder is provided with an outlet, and the outlet is provided with a whole material long groove; the lower end of the single-piece long groove penetrates through the outlet of the vibration cylinder downwards in an inclined mode and is connected with the conveying channel; the top of the whole material arranging long groove is provided with a blocking cover, and the height of the blocking cover is slightly higher than the longitudinal height of the nut; in the process of extending from the outlet of the vibrating cylinder to the conveying channel, the material arranging long groove is gradually changed from vertical swing to horizontal swing, so that the nut in the material arranging long groove rotates;
the nut positioning and clamping device comprises a rod positioning plate, a nut pressing seat, a nut pressing groove, a nut clamping cylinder and a pressing block; the nut pressing seat is arranged in front of the side face, facing the workbench b, of the sliding table a, a nut pressing groove is formed in the nut pressing seat, and the conveying channel is connected with the nut pressing groove and used for conveying nuts into the nut pressing groove; the nut clamping cylinder is arranged on one side of the nut pressing seat, a pressing block is arranged on a piston rod of the nut clamping cylinder, the nut clamping cylinder drives the pressing block to tightly press the nut entering the nut pressing groove, and at the moment, a screw hole of the nut corresponds to a rod material pressing channel formed by the positioning groove and the pressing groove together; the rod positioning plate is arranged in front of the side surface of the nut pressing seat facing the workbench b, and is provided with a rod limiting hole which is used for limiting the entering position of the rod so that the rod can smoothly enter the screw hole and the positioning groove of the nut;
the top surface of the oil cylinder mounting seat is provided with a camera support; the camera is arranged on the camera support and is aligned to the nut groove pressing position.
The automatic feeding mechanism comprises a storage tank, a jacking feeding mechanism and a positioning table;
the storage tank is arranged on the top surface of the workbench a; the positioning table is arranged on the front side surface of the storage tank; the bottom surface of the storage tank is an inclined surface which is inclined downwards from back to front;
the jacking and feeding mechanism comprises a step platform, a jacking cylinder and a jacking mechanism; the ladder platform is arranged on the front side of the bottom surface of the storage tank and comprises a first-stage ladder and a second-stage ladder, the top surfaces of the first-stage ladder and the second-stage ladder are inclined surfaces which incline downwards from back to front, and the side surfaces of the first-stage ladder and the second-stage ladder are vertical surfaces;
a plurality of groups of material ejecting grooves are uniformly arranged on the side surfaces of the first-stage ladder and the second-stage ladder at intervals, a top groove a is arranged on the top surface of the ladder corresponding to each material ejecting groove and communicated with the top of the corresponding material ejecting groove, a top groove b is arranged on the bottom surface of the material storage groove or the top surface of the ladder at the bottom end of each material ejecting groove and communicated with the bottom end of the corresponding material ejecting groove;
the ejection mechanisms are provided with two groups, each group of ejection mechanisms comprises a connecting plate and a plurality of ejector rods, the ejector rods are correspondingly arranged in the ejection grooves respectively, the cross sections of the ejector rods are consistent with the orthographic projection surfaces of the top grooves a and the top grooves b, and the bottom ends of the ejector rods are connected with the connecting plate respectively; two groups of material ejecting cylinders are arranged corresponding to the material ejecting mechanisms, are arranged in the workbench b and are positioned below the material storage tank, piston rods of the material ejecting cylinders are vertically arranged upwards, and the upper ends of the piston rods are connected with the connecting plate; the lower ejector rod is driven by the ejector cylinder to stretch and retract through the top groove b, the ejector groove and the top groove a, extend out of the top groove a and extend upwards or retract into the bottom groove b;
a detection groove is arranged on the top surface of a first step of the two steps of the step table close to the side surface of a second step, a photoelectric switch with a vertically upward detection direction is arranged in the detection groove, and when the photoelectric switch cannot detect the pipe, the ejection cylinder at the first step is controlled to act to eject an ejector rod to eject the pipe to the top surface of the first step;
the top surfaces of two steps of the step platform are mutually parallel, the front side of the top surface of the ejector rod is provided with an inclined top platform parallel to the top surface of the step, and the rear side of the top surface of the ejector rod is provided with an inclined platform a with the inclination direction opposite to that of the inclined top platform; the highest point of the inclined top platform is connected with the highest point of the inclined platform a.
The positioning tables are provided with a plurality of groups and are arranged on the front side surface of the storage tank at intervals, each positioning table comprises an inclined table b, a positioning groove b and a stop block, the inclined table b is arranged at the top of the front side of the working table b, the top surface of the inclined table b is an inclined surface which inclines forwards and downwards from back to front, and the rear side edge of the top surface of the inclined table b is connected with the front side edge of the top surface of the second-stage step of the step table through a buffer surface; a stop block is arranged on the front side of the sloping platform b, and a positioning groove b corresponding to the shape of the pipe is arranged on the contact part of the front edge of the top surface of the sloping platform b and the stop block;
the left end and the right end of the front side surface of the storage tank are respectively provided with a baffle plate and a positioning pushing cylinder; the piston rod of the positioning pushing cylinder horizontally faces the baffle plate, and a pushing block is arranged on the piston rod; the left side face or the right side face of the left positioning table is provided with a photoelectric switch which is vertically upward in the detection direction, and when the photoelectric switch detects a pipe, the positioning pushing cylinder pushes the pushing block to push the rod material to push the contact baffle plate to position the rod material.
The automatic conveying and feeding assembly comprises a transferring device a, a transferring device b, a transferring device c and a transferring device d, wherein the transferring device a, the transferring device b, the transferring device c and the transferring device d are sequentially arranged on a workbench b at intervals along the backward-forward direction;
the shifting a is used for grabbing the rod material from the positioning table and transferring the rod material to the shifting b direction;
the shifting b is used for grabbing the rod material from the shifting a and transmitting the rod material to the left pier head mechanism so that the rod material penetrates into the rod material limiting hole, the screw hole of the nut and the positioning groove in sequence; then resetting the rod material after cold heading, and transferring the rod material in the direction of shifting c;
the transfer c is used for grabbing the rod material from the transfer b and transferring the rod material to the transfer d;
move and carry d and be used for grabbing the pole material from moving and carry c, pier nose mechanism direction transmission right makes it penetrate in proper order in pole material spacing hole, the screw and the constant head tank of nut, then resets the pole material that the cold-heading finishes to send the pole material forward outside workstation b from the place ahead.
The shifting and carrying a comprises an installation plate a, an air cylinder a, a sliding chute a, a rack a, a gear a, a rotating shaft a, a bearing seat a and an air cylinder clamping jaw a, and the installation plate a is arranged on the rear side of the top surface of the workbench b and is close to the positioning table; two sides of the rotating shaft a are arranged on the mounting plate a through a bearing a and a bearing seat a, the rotating shaft a is horizontally arranged along the left-right direction, and two sides of the rotating shaft a are respectively provided with a group of parallel cylinder clamping jaws a; the cylinder a is arranged on the rear side of the middle part of the mounting plate a, and the piston rod direction of the cylinder a horizontally extends forwards; the sliding chute a is horizontally arranged along the front-back direction and is positioned beside the air cylinder a; the rack a is arranged in the chute a, and a piston rod of the cylinder a is connected with the rack a through a connecting rod and can drive the rack a to slide along the chute a; a gear a is arranged on the rotating shaft a and meshed with the rack a;
the shifting b comprises a guide rail c, a servo motor b, a mounting plate b, a cylinder b, a sliding chute b, a rack b, a gear b, a rotating shaft b, a bearing seat b and a cylinder clamping jaw b; the guide rail c is horizontally arranged on the top surface of the workbench b along the left-right direction and is positioned beside the mounting plate a; the mounting plate b is mounted on the guide rail c through a sliding block; the servo motor b is arranged at the right end of the guide rail c, an output shaft of the servo motor b is connected with the screw rod b, and the screw rod b is connected with the mounting plate b and drives the mounting plate b to move along the guide rail c;
two sides of the rotating shaft b are arranged on the mounting plate b through a bearing b and a bearing seat b, the rotating shaft b is horizontally arranged along the left-right direction, and two sides of the rotating shaft b are respectively provided with a group of parallel cylinder clamping jaws b; the cylinder b is arranged at the rear side of the middle part of the mounting plate b, and the piston rod direction of the cylinder b horizontally extends forwards; the sliding chute b is horizontally arranged along the front-back direction and is positioned beside the air cylinder b; the rack b is arranged in the chute b, and a piston rod of the cylinder b is connected with the rack b through a connecting rod and can drive the rack b to slide along the chute b; the rotating shaft b is provided with a gear b, and the gear b is meshed with the rack b; when the rotating shaft b is driven by the air cylinder b to rotate to a rear limit position, the air cylinder clamping jaw b can clamp and move the rod material on the moving and carrying a, the rod material is aligned to a rod material limiting hole of the left pier head mechanism, a screw hole of a nut and a positioning groove, and the rod material is conveyed into the left pier head mechanism under the driving of the servo motor b;
the shifting c comprises a guide rail d, a servo motor c, a mounting plate c, a cylinder c, a chute c, a rack c, a gear c, a rotating shaft c, a bearing seat c and a cylinder clamping jaw c; the guide rail d is horizontally arranged on the top surface of the workbench b along the left-right direction and is positioned beside the guide rail c; the mounting plate c is mounted on the guide rail d through a sliding block; the servo motor c is arranged at the left end of the guide rail c, an output shaft of the servo motor c is connected with a screw rod c, and the screw rod c is connected with the mounting plate c and drives the mounting plate c to move along the guide rail d;
two sides of the rotating shaft c are arranged on the mounting plate c through a bearing c and a bearing seat c, the rotating shaft c is horizontally arranged along the left-right direction, and two sides of the rotating shaft c are respectively provided with a group of parallel cylinder clamping jaws c; the cylinder c is arranged on the rear side of the middle part of the mounting plate c, and the piston rod direction of the cylinder c horizontally extends forwards; the sliding chute c is horizontally arranged along the front-back direction and is positioned beside the air cylinder c; the rack c is arranged in the chute c, and a piston rod of the cylinder c is connected with the rack c through a connecting rod and can drive the rack c to slide along the chute c; a gear c is arranged on the rotating shaft c and meshed with the rack c;
a discharging frame is arranged at the front end of the workbench b, a discharging plate is arranged at the top end of the discharging frame, the discharging plate is obliquely arranged in a direction from back to front and downwards, and two clamping jaw openings are formed in the rear end of the discharging plate;
the shifting d comprises a guide rail e, a linear cylinder b, a guide groove, a supporting platform, a guide rail f, a linear cylinder a, an installation plate d and a cylinder clamping jaw d; the guide rail e is horizontally arranged on the top surface of the workbench b along the front-back direction, the rear end of the guide rail e extends to the accessory of the guide rail d, and the front end of the guide rail e extends to the discharging frame; parallel guide grooves are arranged beside the guide rail e, and the linear cylinder b is arranged in the workbench b and corresponds to the guide grooves; the support table is arranged on the guide rail e through a sliding block, the bottom surface of the support table is connected with a piston rod of the linear cylinder b through a connecting sliding block, and the support table can move along the guide rail e under the driving of the linear cylinder b;
the guide rail f is horizontally arranged on the top surface of the workbench b along the left-right direction; the supporting platform is arranged on the guide rail f through a sliding block; the linear cylinder a is arranged at the left end of the guide rail f, and a piston rod of the linear cylinder a horizontally extends rightwards and is connected with the left end of the supporting table to drive the supporting table to move along the guide rail c;
the mounting plate d is horizontally arranged on the supporting table along the left-right direction, two sides of the mounting plate d are provided with cylinder clamping jaws d, the two cylinder clamping jaws d respectively correspond to two clamping jaw openings at the rear end of the discharging plate, and when the cylinder clamping jaws d are opened, the rod material falls onto the discharging plate and slides out of the front end of the discharging plate along the inclined surface of the rod material;
the saddle is driven by a linear cylinder b, when the saddle moves to the extreme position of the last side, a cylinder clamping jaw d receives the rod material clamped on the transfer c, the cylinder clamping jaw d clamps the rod material and aims at a rod material limiting hole of the right pier head mechanism, a screw hole of a nut and a positioning groove, and the servo motor c drives the rod material to be sent into the right pier head mechanism;
the transfer c further comprises a vertical position cylinder, a limiting baffle and a limiting plate, wherein the vertical position cylinder is arranged in the middle of the front side of the mounting plate c, the piston rod of the vertical position cylinder is horizontally and backwards arranged, the piston rod of the vertical position cylinder is provided with the limiting baffle, and the rotating shaft c is provided with the limiting plate; when the piston rod of the cylinder at the vertical position extends to the stroke, the rotating shaft c rotates the limiting plate to contact the limiting baffle plate, so that the rotating shaft c stops rotating, and at the moment, the clamping jaw c of the cylinder is in a vertical state.
The full-automatic cold heading machine further comprises a rod collecting tank, wherein the rod collecting tank is arranged in front of the workbench b and corresponds to the discharging plate, and rod materials sliding down from the discharging plate are collected.
The type of cylinder clamping jaw a, cylinder clamping jaw b, cylinder clamping jaw c, cylinder clamping jaw d can select available air vertical HDM 20.
The model of the control chip can be Mitsubishi Q02 UCPU.
The working process of the invention is as follows:
synchronously starting cylinders a of a first step and a second step in the automatic feeding mechanism, jacking the rod material to a stroke, transmitting the rod material to a positioning table, and simultaneously supplementing material to the top surface of the first step; when photoelectric switch at the positioning table detects the rod material, the positioning pushing cylinder pushes the push block to push the rod material to contact the baffle plate, so that the rod material is positioned. A rotating shaft a of the transfer a rotates backwards to a limit position, a rod material is grabbed from the positioning table, and then the rod material rotates to a front limit position; the rotating shaft b of the transfer b rotates backwards to a limit position, the rod material is grabbed from the transfer a and is transferred towards the left pier head mechanism, so that the rod material penetrates into the rod material limiting hole, the screw hole of the nut and the positioning groove in sequence; then, grabbing and resetting the rod material subjected to cold heading, and rotating the rotating shaft b forwards to a limit position;
the rotating shaft c of the transfer c rotates to the position of a limiting plate of the vertical position air cylinder firstly, is limited and stopped for a plurality of times, a piston rod of the vertical position air cylinder contracts, the rotating shaft c continues to rotate backwards to a limit position, a rod material is grabbed from the positioning table, and then the rotating shaft c rotates to a front limit position;
and the tray moving seat of the transfer d is at the rear limit position, is used for grabbing the rod material from the transfer c, and transmits the rod material to the right pier nose mechanism to sequentially penetrate into the rod material limiting hole, the screw hole of the nut and the positioning groove, and then resets the cold-headed rod material and forwards moves the rod material to be sent out of the workbench b from the front.
The feeding structure has large capacity, can be used for placing more materials, and reduces the feeding times.
The invention combines a plurality of shifting a, b, c and d, can continuously process a plurality of materials at the same time, and greatly improves the working efficiency.
The left pier head mechanism and the right pier head mechanism are convenient for forming two ends of a workpiece, and save working procedures.
The nut conveying device provided by the invention is matched with the automatic conveying and feeding assembly, so that nuts can be automatically threaded, and the labor is further saved.
The invention inspects the processing quality of the workpiece in real time through the high-definition camera.
The rod collecting tank is convenient for collecting workpieces, and is convenient for finishing after the finished workpieces are collected.
The cold forming device has the advantages of scientific and reasonable structural design, small overall size of the device, convenience in operation and high automation degree, greatly improves the production efficiency of cold forming of the end holes of the rod materials, and reduces the production cost.
Drawings
FIG. 1 is a schematic view of the overall structure of the full-automatic cold heading machine of the present invention;
FIG. 2 is a schematic structural diagram of a cold heading mechanism of the present invention;
FIG. 3 is a schematic structural view of another perspective of the cold heading mechanism of the present invention;
FIG. 4 is a schematic structural view of a nut conveying device according to the present invention;
FIG. 5 is an enlarged view of a portion of the nut feeder of the present invention;
FIG. 6 is a schematic structural view of an automatic feeding mechanism of the present invention;
FIG. 7 is an enlarged partial schematic view of the automatic feed mechanism of the present invention;
FIG. 8 is a schematic view of the lower structure of the automatic feeding mechanism of the present invention;
FIG. 9 is a schematic structural view of an automatic feed conveyor assembly of the present invention;
FIG. 10 is another perspective view of the automatic feed conveyor assembly of the present invention;
FIG. 11 is a schematic structural diagram of a transfer stage d according to the present invention;
the names and serial numbers of the parts in the figure are as follows:
1-workbench a, 2-guide rail a, 3-sliding table a, 4-servo motor a, 5-sliding table b, 6-guide rail b, 7-punch mounting plate, 8-cold heading punch, 9-clamping seat, 10-positioning block, 11-positioning groove, 12-sliding groove, 13-clamping block, 14-hydraulic cylinder, 15-cylinder mounting seat, 16-servo motor d, 17-belt pulley transmission mechanism, 18-lead screw a, 19-slide block a, 20-bearing seat, 21-transverse movement limit switch, 22-detection switch, 23-tactile switch, 24-power mechanism zero switch, 25-power mechanism limit switch, 26-zero transverse movement switch, 27-workbench b, 28-workbench c, 29-workbench d, 30-base, 31-camera support, 32-camera, 33-vibrating cylinder, 34-monolith long groove, 35-conveying channel, 36-spiral guide belt, 37-monolith hole, 38-baffle cover, 39-positioning plate, 40-nut press seat, 41-nut press groove, 42-nut clamping cylinder, 43-pressing block, 44-storage groove, 45-positioning table, 46-step table, 47-material ejecting cylinder, 48-first step, 49-second step, 50-material ejecting groove, 51-top surface groove a, 52-top surface groove b, 53-connecting plate, 54-ejector rod, 55-inclined top table, 56-inclined table a, 57-inclined table b, 58-positioning groove b, 59-a stop block, 60-a buffer surface, 61-a baffle plate, 62-a positioning pushing cylinder, 63-a pushing block, 64-a detection groove, 65-a transfer a, 66-a transfer b, 67-a transfer c, 68-a transfer d, 69-a mounting plate a, 70-a cylinder a, 71-a rack a, 72-a gear a, 73-a rotating shaft a, 74-a bearing seat a, 75-a cylinder clamping jaw a, 76-a guide rail c, 77-a servo motor b, 78-a mounting plate b, 79-a cylinder b, 80-a rack b, 81-a gear b, 82-a rotating shaft b, 83-a bearing seat b, 84-a cylinder clamping jaw b, 85-a guide rail d, 86-a servo motor c, 87-a mounting plate c, 88-cylinder c, 89-rack c, 90-gear c, 91-rotating shaft c, 92-bearing seat c, 93-cylinder clamping jaw c, 95-guide rail e, 96-guide groove, 97-saddle, 98-guide rail f, 99-linear cylinder a, 100-mounting plate d, 101-cylinder clamping jaw d, 102-connecting slide block, 103-discharging frame, 104-discharging plate, 105-clamping jaw opening, 106-vertical position cylinder, 107-limiting baffle, 108-limiting plate, 109-rod collecting tank, 110-screw rod b, 111-screw rod c and 112-linear cylinder b.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1-11, the full-automatic cold heading machine includes a workbench a1, an automatic feeding mechanism, a workbench b27, an automatic conveying and feeding assembly, a workbench c28, a left heading mechanism, a workbench d29, and a right heading mechanism;
the workbench a1 and the workbench b27 are arranged side by side in sequence along the front-back direction, and the workbench c28 and the workbench d29 are respectively arranged at the left side and the right side of the workbench b 27;
the automatic feeding mechanism is arranged on a workbench a1, the automatic conveying and feeding assembly is arranged on a workbench b27, the left pier head mechanism is arranged on a workbench c28, and the right pier head mechanism is arranged on a workbench d 29;
the automatic feeding mechanism is used for conveying the rod materials to the automatic conveying and feeding assembly, and the automatic conveying and feeding assembly conveys the rod materials to the left pier head mechanism and the right pier head mechanism in sequence for cold heading and then sends the rod materials out of the workbench d 29;
the left pier head mechanism and the right pier head mechanism have the same structure and respectively comprise a clamping mechanism and a cold heading mechanism; the table surfaces of the working table c28 and the working table d29 are both provided with a clamping mechanism and a cold heading mechanism;
the clamping mechanism comprises a clamping seat 9, a positioning block 10, a positioning groove 11, a sliding groove 12, a clamping block 13, a hydraulic oil cylinder 14 and an oil cylinder mounting seat 15;
on the workbench c28 and the workbench d29, the clamping seats 9 are arranged on one side close to the workbench b27, and the cold heading mechanisms are arranged on one side far away from the workbench b 27;
a positioning block 10 is arranged on one side of the top surface of the clamping seat 9, an oil cylinder mounting seat 15 is arranged on the other side of the top surface of the clamping seat 9, and a positioning groove 11 is arranged on the side surface of the positioning block 10, which faces the oil cylinder mounting seat 15;
the hydraulic oil cylinder 14 is arranged on the front side surface of the oil cylinder mounting seat 15, and a piston rod of the hydraulic oil cylinder passes through the oil cylinder mounting seat 15 and horizontally extends towards the positioning block 10; the sliding chute 12 is arranged between the positioning block 10 and the oil cylinder mounting seat 15; the clamping block 13 is arranged in the sliding groove 12, the clamping block 13 is fixedly connected with a piston rod of the hydraulic oil cylinder 14, a pressing groove corresponding to the positioning groove 11 is formed in the side surface, facing the positioning block 10, of the clamping block 13, and the positioning groove 11 and the pressing groove are matched to clamp a rod material together and enable a port of the rod material to be aligned to the cold heading mechanism;
the cold heading mechanism comprises a cold heading power mechanism, a guide rail a2, a sliding table a3, a servo motor a4, a sliding table b5, a guide rail b6, a punch mounting plate 7 and a cold heading punch 8; the table surfaces of the workbench c28 and the workbench d29 are respectively provided with a horizontal guide rail a2, and one end of the guide rail a2 extends towards the clamping mechanism; the sliding table a3 is arranged on the guide rail a2, the cold heading power mechanism is connected with the sliding table a3, and the sliding table a3 is driven to perform feed motion along the guide rail a 2; a horizontal guide rail b6 is arranged on the side surface of the sliding table a3 facing the clamping mechanism, and the sliding table b5 is arranged on the guide rail b 6; the servo motor a4 is arranged on the sliding table a3 and connected with the sliding table b5, and drives the sliding table b5 to perform feed motion along the guide rail b 6; a punch mounting plate 7 is arranged on the side surface of the sliding table b5 facing the clamping mechanism, and the cold heading punch 8 is arranged on the punch mounting plate 7; the height of the cold heading punch 8 is consistent with that of the rod material clamped by the clamping mechanism, and the sliding table b5 is driven to move by the servo motor a4, so that the position of the cold heading punch 8 is adjusted to be aligned with the position of a hole to be headed of the end of the rod material;
the device also comprises a proximity switch a22, a tactile switch 23 and a control chip, wherein the proximity switch a22 is arranged on the top surface of the clamping seat 9 and is close to the right side surface of the positioning block 10, the testing direction of the proximity switch a22 is vertical upwards, and the proximity switch a22 corresponds to the rod material in the positioning groove 11; the tactile switch 23 is arranged on the left side surface of the sliding table a3 and is positioned behind the cold heading punch 8, and when the clamping mechanism and the cold heading mechanism are at initial positions, the tactile switch 23 is just opposite to the rod material in the corresponding positioning groove 11;
the proximity switch a22 and the tactile switch 23 are electrically connected with the control chip, the control chip is electrically connected with the cold heading power mechanism and the servo motor a4, when the proximity switch a22 and the tactile switch 23 detect a rod material simultaneously, the control chip controls the servo motor a4 to move a station so that the cold heading punch 8 is aligned with the rod material, and then controls the cold heading power mechanism to drive the cold heading punch 8 to move leftwards to perform cold heading on the end of the rod material.
The cold heading power mechanism comprises a servo motor d16, a belt pulley transmission mechanism 17, a screw rod a18 and a sliding block a 19; the side of slip table a3 keeping away from fixture is equipped with slider a19, workstation c28 and workstation d29 on all be equipped with lead screw a18, lead screw a18 passes through bearing frame 20 and bearing installation, is connected with slider a19, workstation c28 and workstation d29 on all be equipped with servo motor d16, servo motor d16 is connected with lead screw a18 through belt pulley drive mechanism 17, drive lead screw a18 and then drive slider a19, slip table a3 and move along guide rail a 2.
The top surfaces of the workbench c28 and the workbench d29 are respectively provided with a power mechanism zero point switch 24, a power mechanism limit switch 25, a transverse movement zero point switch 26 and a transverse movement limit switch 21; on the top surface of the workbench c28, a power mechanism zero switch 24 and a power mechanism limit switch 25 are sequentially arranged from left to right and are close to and face the guide rail a 2; on the top surface of the workbench d29, a power mechanism zero switch 24 and a power mechanism limit switch 25 are sequentially arranged from right to left, and are close to and face the guide rail a 2; the power mechanism zero switch 24 is used for zero setting of the sliding table a3, and the power mechanism limit switch 25 is used for limiting the limit position of the sliding table a3 moving backwards;
the transverse moving limit switch 21 and the transverse moving zero point switch 26 are sequentially arranged on the left side edge of the top surface of the sliding table a3 from front to back, the transverse moving limit switch 21 and the transverse moving zero point switch 26 extend to the upper part of the guide rail b6, and the detection end faces the guide rail b 6; the transverse movement limit switch 21 is used for limiting the limit position of the forward movement of the sliding table b5, and the transverse movement zero switch 26 is used for zero adjustment of the position of the sliding table b 5;
the power mechanism zero point switch 24, the power mechanism limit switch 25, the transverse moving zero point switch 26 and the transverse moving limit switch 21 are all proximity switches.
The full-automatic cold heading machine also comprises a nut conveying device and a nut positioning and clamping device;
the nut conveying device comprises a base 30, a vibration motor, a spring, a vibration cylinder 33, a whole material long groove 34, a conveying channel 35, a nut clamping mechanism, a camera support 31 and a camera 32;
the lower bottom surface of the vibration cylinder 33 is arranged on the upper surface of the top plate of the base 30 through a plurality of groups of uniformly distributed springs; the vibration motor is arranged in the base 30 and is connected with the lower surface of the top plate of the base 30;
a spiral guide belt 36 is arranged on the inner wall of the vibration cylinder 33, the starting end of the spiral guide belt 36 is positioned at the bottom of the vibration cylinder 33, the outlet end of the spiral guide belt 36 is positioned at the top of the vibration cylinder 33, and the bottom surface of the vibration cylinder 33 is used for storing bolts; the inner side wall of the upper section of the spiral guide belt 36 is provided with a material-finishing hole 37; the height of the material distributing hole 37 is less than the longitudinal height of the nut and greater than the width of the nut, so that the lying nut can fall back into the vibrating cylinder 33;
the top end of the side wall of the vibration cylinder 33 is provided with an outlet, and the outlet is provided with a single-piece long groove 34; the lower end of the single-chip elongated slot 34 obliquely passes through the outlet of the vibrating cylinder 33 downwards and is connected with a conveying channel 35; a blocking cover 38 is arranged at the top of the single-piece long groove 34, and the height of the blocking cover 38 is slightly higher than the longitudinal height of the nut; in the process of extending from the outlet of the vibrating cylinder 33 to the conveying channel 35, the single-piece long groove 34 is gradually changed from vertical swing to horizontal swing, so that the nut in the single-piece long groove is rotated by 90 degrees;
the nut positioning and clamping device comprises a rod positioning plate 39, a nut pressing seat 40, a nut pressing groove 41, a nut clamping cylinder 42 and a pressing block 43; the nut pressing seat 40 is arranged in front of the side surface of the sliding table a3 facing the workbench b27, a nut pressing groove 41 is formed in the nut pressing seat, and the conveying channel 35 is connected with the nut pressing groove 41 and is used for feeding nuts into the nut pressing groove; the nut clamping cylinder 42 is arranged on one side of the nut pressing seat 40, a pressing block 43 is arranged on a piston rod of the nut clamping cylinder 42, the nut clamping cylinder 42 drives the pressing block 43 to press the nut entering the nut pressing groove 41, and at the moment, a screw hole of the nut corresponds to a rod material pressing channel formed by the positioning groove 11 and the pressing groove together; the rod positioning plate 39 is arranged in front of the side surface of the nut pressing seat 40 facing the workbench b27, and is provided with a rod limiting hole which is used for limiting the entering position of the rod so that the rod can smoothly enter the screw hole and the positioning groove 11 of the nut;
the top surface of the oil cylinder mounting seat 15 is provided with a camera bracket 31; the camera 32 is mounted on the camera bracket 31 and aligned with the nut pressing groove 41.
The automatic feeding mechanism comprises a storage tank 44, a jacking feeding mechanism and a positioning table 45;
the storage tank 44 is arranged on the top surface of the workbench a 1; the positioning table 45 is arranged on the front side surface of the storage tank 44; the bottom surface of the storage tank 44 is an inclined surface which is inclined downwards from back to front;
the jacking and feeding mechanism comprises a step table 46, a material jacking cylinder 47 and a material jacking mechanism; the step platform 46 is arranged on the front side of the bottom surface of the storage tank 44, the step platform 46 comprises a first step 48 and a second step 49, the top surfaces of the first step 48 and the second step 49 are inclined surfaces which incline downwards from back to front, and the side surfaces of the first step 48 and the second step 49 are vertical surfaces;
a plurality of groups of material ejecting grooves 50 are uniformly arranged on the side surfaces of the first-stage ladder 48 and the second-stage ladder 49 at intervals, top surface grooves a51 are arranged on the top surface of the ladder corresponding to the material ejecting grooves 50, the top surface grooves a51 are communicated with the tops of the corresponding material ejecting grooves 50, top surface grooves b52 are arranged on the bottom surface of the material storage groove 44 or the top surface of the ladder at the bottom end of each material ejecting groove 50, and the top surface grooves b52 are communicated with the bottom ends of the corresponding material ejecting grooves 50;
the two groups of the ejection mechanisms are arranged, each group of the ejection mechanisms comprises a connecting plate 53 and a plurality of ejector rods 54, the ejector rods 54 are correspondingly arranged in the ejection grooves 50 respectively, the cross sections of the ejector rods are consistent with the orthographic projection surfaces of the top grooves a51 and the top grooves b52, and the bottom ends of the ejector rods 54 are connected with the connecting plate 53 respectively; two groups of material ejecting air cylinders 47 are arranged corresponding to the material ejecting mechanisms, are arranged in the workbench b27 and are positioned below the material storage tank 44, piston rods of the material ejecting air cylinders are vertically arranged upwards, and the upper ends of the piston rods are connected with the connecting plate 53; the lower ejector rod 54 driven by the ejector cylinder 47 can extend and retract through the top groove b52, the ejector groove 50 and the top groove a51, extend out of the top groove a51 or retract into the top groove b 52;
a detection groove 64 is arranged on the top surface of the first-stage step 48 of the two-stage steps of the step table 46 close to the side surface of the second-stage step 49, a photoelectric switch with a vertically upward detection direction is arranged in the detection groove, and when the photoelectric switch cannot detect the rod material, the material jacking cylinder at the first-stage step 48 is controlled to act to jack the jacking rod 54, so that the rod material is jacked and sent to the top surface of the first-stage step 48;
the top surfaces of the two steps of the step platform 46 are parallel to each other, the front side of the top surface of the mandril 54 is provided with an inclined top platform 55 parallel to the top surface of the step, and the rear side of the top surface of the mandril 54 is provided with an inclined platform a56 with the inclination direction opposite to that of the inclined top platform; the highest point of the sloping roof 55 is connected to the highest point of the sloping roof a 56.
The positioning table 45 is provided with a plurality of groups, the positioning table 45 is arranged on the front side surface of the material storage tank 44 at intervals, the positioning table 45 comprises an inclined table b57, a positioning groove b58 and a stop block 59, the inclined table b57 is arranged at the top of the front side of the workbench b27, the top surface of the inclined table b57 is an inclined surface which inclines forwards and downwards from back to front, and the rear side edge of the top surface of the inclined table b57 is connected with the front side edge of the top surface of the second-stage step 49 of the step table 46 through a buffer surface 60; a stop block 59 is arranged at the front side of the sloping platform b57, and a positioning groove b58 corresponding to the shape of the rod material is arranged at the contact part of the front edge of the top surface of the sloping platform b57 and the stop block 59;
the left end and the right end of the front side surface of the storage tank 44 are respectively provided with a baffle 61 and a positioning pushing cylinder 62; the piston rod of the positioning pushing cylinder 62 horizontally faces the direction of the baffle 61, and a pushing block 63 is arranged on the piston rod; the left side or the right side of the left positioning table 45 is provided with a photoelectric switch with a vertical upward detection direction, and when the photoelectric switch detects a rod material, the positioning pushing cylinder 62 pushes the pushing block 63 to push the rod material to contact the baffle 61, so that the rod material is positioned.
The automatic conveying and feeding assembly comprises a transfer part a65, a transfer part b66, a transfer part c67 and a transfer part d68, wherein the transfer part a65, the transfer part b66, the transfer part c67 and the transfer part d68 are sequentially arranged on a workbench b27 at intervals along the direction from back to front;
the transfer a65 is used for grabbing the rod material from the positioning table 45 and transferring the rod material to the direction of the transfer b 66;
the shifting b66 is used for grabbing the rod material from the shifting a65 and transmitting the rod material to the left pier nose mechanism, so that the rod material penetrates into the rod material limiting hole, the screw hole of the nut and the positioning groove 11 in sequence; then resetting the rod material after cold heading, and transferring the rod material in the direction of transferring c 67;
the transfer c67 is used for grabbing the rod material from the transfer b66 and transferring the rod material to the transfer d 68;
the transfer d68 is used for grabbing the rod material from the transfer c67, transferring the rod material to the right heading mechanism, enabling the rod material to sequentially penetrate into a rod material limiting hole, a screw hole of a nut and a positioning groove 11, then resetting the cold-headed rod material, and forwards sending the rod material out of the workbench b27 from the front.
The shifting a65 comprises a mounting plate a69, an air cylinder a70, a sliding chute a, a rack a71, a gear a72, a rotating shaft a73, a bearing seat a74 and an air cylinder clamping jaw a75, wherein the mounting plate a69 is arranged on the rear side of the top surface of a workbench b27 and is close to the positioning table 45; two sides of the rotating shaft a73 are arranged on the mounting plate a69 through a bearing a and a bearing seat a74, the rotating shaft a73 is horizontally arranged along the left-right direction, and two sides of the rotating shaft a73 are respectively provided with a group of parallel cylinder clamping jaws a 75; the cylinder a70 is arranged at the rear side of the middle part of the mounting plate a69, and the direction of a piston rod of the cylinder a70 horizontally extends forwards; the sliding chute a is horizontally arranged along the front-back direction and is positioned beside the air cylinder a 70; the rack a71 is arranged in the chute a, and a piston rod of the cylinder a70 is connected with the rack a71 through a connecting rod, so that the rack a71 can be driven to slide along the chute a; the rotating shaft a73 is provided with a gear a72, and the gear a72 is meshed with the rack a 71;
the shifting b66 comprises a guide rail c76, a servo motor b77, an installation plate b78, an air cylinder b79, a sliding chute b, a rack b80, a gear b81, a rotating shaft b82, a bearing seat b83 and an air cylinder clamping jaw b 84; the guide rail c76 is horizontally arranged on the top surface of the workbench b27 along the left-right direction and is positioned beside the mounting plate a 69; the mounting plate b78 is mounted on the guide rail c76 through a sliding block; the servo motor b77 is arranged at the right end of the guide rail c76, the output shaft of the servo motor b77 is connected with a screw rod b110, the screw rod b110 is connected with an installation plate b78, and the installation plate b78 is driven to move along the guide rail c 76;
two sides of the rotating shaft b82 are arranged on an installation plate b78 through a bearing b and a bearing seat b83, the rotating shaft b82 is horizontally arranged along the left-right direction, and two sides of the rotating shaft b82 are respectively provided with a group of parallel cylinder clamping jaws b 84; the cylinder b79 is arranged at the rear side of the middle part of the mounting plate b78, and the direction of a piston rod of the cylinder b79 horizontally extends forwards; the sliding chute b is horizontally arranged along the front-back direction and is positioned beside the air cylinder b 79; the rack b80 is arranged in the sliding chute b, and a piston rod of the air cylinder b79 is connected with the rack b80 through a connecting rod and can drive the rack b80 to slide along the sliding chute b; a gear b81 is arranged on the rotating shaft b82, and the gear b81 is meshed with the rack b 80; when the rotating shaft b82 rotates to the rear direction limit position under the drive of the air cylinder b79, the air cylinder clamping jaw b84 can clamp the rod material which is transferred to the front direction limit position on the transfer a65, and the rod material is aligned to the rod material limit hole of the left pier head mechanism, the screw hole of the nut and the positioning groove 11, and the rod material is sent into the left pier head mechanism under the drive of the servo motor b 77;
the shifting c67 comprises a guide rail d85, a servo motor c86, an installation plate c87, an air cylinder c88, a sliding chute c, a rack c89, a gear c90, a rotating shaft c91, a bearing seat c92 and an air cylinder clamping jaw c 93; the guide rail d85 is horizontally arranged on the top surface of the workbench b27 along the left-right direction and is positioned beside the guide rail c 76; the mounting plate c87 is mounted on the guide rail d85 through a sliding block; the servo motor c86 is arranged at the left end of the guide rail c76, the output shaft of the servo motor c86 is connected with a screw rod c111, the screw rod c111 is connected with a mounting plate c87, and the mounting plate c87 is driven to move along the guide rail d 85;
two sides of the rotating shaft c91 are arranged on an installation plate c87 through a bearing c and a bearing seat c92, the rotating shaft c91 is horizontally arranged along the left-right direction, and two sides of the rotating shaft c91 are respectively provided with a group of parallel cylinder clamping jaws c 93; the cylinder c88 is arranged at the rear side of the middle part of the mounting plate c87, and the direction of a piston rod of the cylinder c88 horizontally extends forwards; the sliding chute c is horizontally arranged along the front-back direction and is positioned beside the air cylinder c 88; the rack c89 is arranged in the chute c, and a piston rod of the cylinder c88 is connected with the rack c89 through a connecting rod, so that the rack c89 can be driven to slide along the chute c; a gear c90 is arranged on the rotating shaft c91, and the gear c90 is meshed with the rack c 89;
a discharge frame 103 is arranged at the front end of the workbench b27, a discharge plate 104 is arranged at the top end of the discharge frame 103, the discharge plate 104 is arranged in an inclined manner, the inclined direction is inclined downwards from back to front, and two clamping jaw openings 105 are arranged at the rear end of the discharge plate 104;
the shifting d68 comprises a guide rail e95, a linear cylinder b112, a guide groove 96, a saddle 97, a guide rail f98, a linear cylinder a99, a mounting plate d100 and a cylinder clamping jaw d 101; the guide rail e95 is horizontally arranged on the top surface of the workbench b27 along the front-back direction, the rear end of the guide rail e95 extends to the accessory of the guide rail d85, and the front end of the guide rail e95 extends to the discharge frame 103; a parallel guide groove 96 is arranged beside the guide rail e95, and the linear cylinder b112 is arranged in the workbench b27 and corresponds to the guide groove 96; the pallet 97 is installed on the guide rail e95 through a slide block, the bottom surface of the pallet 97 is connected with the piston rod of the linear cylinder b112 through a connecting slide block 102, and the pallet can move along the guide rail e95 under the driving of the linear cylinder b 112;
the guide rail f98 is horizontally arranged on the top surface of the workbench b27 along the left-right direction; the supporting platform 97 is arranged on the guide rail f98 through a sliding block; the linear cylinder a99 is arranged at the left end of the guide rail f98, a piston rod of the linear cylinder a99 horizontally extends rightward and is connected with the left end of the saddle 97 to drive the saddle 97 to move along the guide rail c 76;
the mounting plate d100 is horizontally arranged on the supporting platform 97 along the left-right direction, two sides of the mounting plate are provided with cylinder clamping jaws d101, the two cylinder clamping jaws d101 respectively correspond to two clamping jaw openings 105 at the rear end of the discharging plate 104, and when the cylinder clamping jaws d101 are opened, the rod material falls on the discharging plate 104 and slides out of the front end of the discharging plate 104 along the inclined plane of the rod material;
the saddle 97 is driven by a linear cylinder b112, when the saddle moves to the extreme position of the rearmost side, a cylinder clamping jaw d101 bears and transfers the rod material clamped on c67, at the moment, the cylinder clamping jaw d101 clamps the rod material to be aligned with a rod material limiting hole of the right pier head mechanism, a screw hole of a nut and a positioning groove 11, and the servo motor c86 drives the rod material to be sent into the right pier head mechanism;
the shifting c67 further comprises a vertical position cylinder 106, a limit baffle 107 and a limit plate 108, wherein the vertical position cylinder 106 is arranged in the middle of the front side of the mounting plate c87, the piston rod of the vertical position cylinder 106 is horizontally arranged backwards, the limit baffle 107 is arranged on the piston rod of the vertical position cylinder 106, and the limit plate 108 is arranged on the rotating shaft c 91; when the piston rod of the vertical position air cylinder 106 extends to the stroke, the rotating shaft c91 rotates the limit plate 108 to contact the limit baffle 107, so that the rotating shaft c91 stops rotating, and at the moment, the air cylinder clamping jaw c93 is in a vertical state.
The full-automatic cold heading machine further comprises a rod collecting groove 109, wherein the rod collecting groove 109 is arranged in front of the workbench b27 and corresponds to the discharging plate 104 and collects rod materials sliding down from the discharging plate 104.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", "front", "rear", and the like are used in the orientation or positional relationship shown in fig. 1 for convenience of description and simplicity of operation only, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.

Claims (10)

1. A full-automatic cold heading machine comprises a workbench a (1), an automatic feeding mechanism, a workbench b (27), an automatic conveying and feeding assembly, a workbench c (28), a left heading mechanism, a workbench d (29) and a right heading mechanism; the method is characterized in that:
the workbench a (1) and the workbench b (27) are sequentially arranged side by side along the front-back direction, and the workbench c (28) and the workbench d (29) are respectively arranged at the left side and the right side of the workbench b (27);
the automatic feeding mechanism is arranged on the workbench a (1), the automatic conveying and feeding assembly is arranged on the workbench b (27), the left pier head mechanism is arranged on the workbench c (28), and the right pier head mechanism is arranged on the workbench d (29);
the automatic feeding mechanism is used for conveying the rod materials to the automatic conveying and feeding assembly, and the automatic conveying and feeding assembly conveys the rod materials to the left pier head mechanism and the right pier head mechanism in sequence for cold heading and then sends the rod materials out of the workbench d (29);
the left pier head mechanism and the right pier head mechanism have the same structure and respectively comprise a clamping mechanism and a cold heading mechanism; the table surfaces of the working table c (28) and the working table d (29) are provided with a clamping mechanism and a cold heading mechanism;
the clamping mechanism comprises a clamping seat (9), a positioning block (10), a positioning groove (11), a sliding groove (12), a clamping block (13), a hydraulic oil cylinder (14) and an oil cylinder mounting seat (15);
on the workbench c (28) and the workbench d (29), the clamping seats (9) are arranged on one side close to the workbench b (27), and the cold heading mechanisms are arranged on one side far away from the workbench b (27);
a positioning block (10) is arranged on one side of the top surface of the clamping seat (9), an oil cylinder mounting seat (15) is arranged on the other side of the top surface of the clamping seat, and a positioning groove (11) is formed in the side surface, facing the oil cylinder mounting seat (15), of the positioning block (10);
the hydraulic oil cylinder (14) is arranged on the front side surface of the oil cylinder mounting seat (15), and a piston rod of the hydraulic oil cylinder penetrates through the oil cylinder mounting seat (15) and horizontally extends towards the positioning block (10); the sliding chute (12) is arranged between the positioning block (10) and the oil cylinder mounting seat (15); the clamping block (13) is arranged in the sliding groove (12), the clamping block (13) is fixedly connected with a piston rod of the hydraulic oil cylinder (14), a pressing groove corresponding to the positioning groove (11) is formed in the side surface, facing the positioning block (10), of the clamping block (13), and the positioning groove (11) and the pressing groove are matched to clamp the rod material together and enable the port of the rod material to be aligned to the cold heading mechanism;
the cold heading mechanism comprises a cold heading power mechanism, a guide rail a (2), a sliding table a (3), a servo motor a (4), a sliding table b (5), a guide rail b (6), a punch mounting plate (7) and a cold heading punch (8); the table surfaces of the workbench c (28) and the workbench d (29) are respectively provided with a horizontal guide rail a (2), and one end of each guide rail a (2) extends towards the clamping mechanism; the sliding table a (3) is arranged on the guide rail a (2), the cold heading power mechanism is connected with the sliding table a (3), and the sliding table a (3) is driven to perform feed motion along the guide rail a (2); a horizontal guide rail b (6) is arranged on the side surface of the sliding table a (3) facing the clamping mechanism, and the sliding table b (5) is arranged on the guide rail b (6); the servo motor a (4) is arranged on the sliding table a (3) and connected with the sliding table b (5) to drive the sliding table b (5) to perform feed motion along the guide rail b (6); a punch mounting plate (7) is arranged on the side surface of the sliding table b (5) facing the clamping mechanism, and the cold heading punch (8) is arranged on the punch mounting plate (7); the height of the cold heading punch (8) is consistent with that of the rod material clamped by the clamping mechanism, and the sliding table b (5) is driven to move by the servo motor a (4), so that the position of the cold heading punch (8) is adjusted to be aligned with the position of a hole to be upset at the end of the rod material;
the device is characterized by further comprising a proximity switch a (22), a tactile switch (23) and a control chip, wherein the proximity switch a (22) is arranged on the top surface of the clamping seat (9) and is close to the right side surface of the positioning block (10), the testing direction of the proximity switch a is vertical upwards, and the proximity switch a corresponds to a rod material in the positioning groove (11); the tactile switch (23) is arranged on the left side surface of the sliding table a (3) and is positioned behind the cold heading punch (8), and when the clamping mechanism and the cold heading mechanism are at initial positions, the tactile switch (23) is opposite to a rod material in the corresponding positioning groove (11);
proximity switch a (22), touch switch (23) be connected with the control chip electricity, the control chip with cold-heading power unit, servo motor a (4) electricity be connected, when proximity switch a (22), touch switch (23) detected the pole material simultaneously, control chip control servo motor a (4) remove a station and make cold-heading drift (8) aim at the pole material, then control cold-heading power unit drive cold-heading drift (8) move left and carry out the cold-heading to the pole material end.
2. The fully automatic cold heading machine according to claim 1, wherein: the cold heading power mechanism comprises a servo motor d (16), a belt pulley transmission mechanism (17), a screw rod a (18) and a sliding block a (19); slip table a (3) keep away from fixture's side and be equipped with slider a (19), the top surface of workstation c (28) and workstation d (29) on all be equipped with lead screw a (18), lead screw a (18) pass through bearing frame (20) and bearing installation, are connected with slider a (19), workstation c (28) and workstation d (29) on all be equipped with servo motor d (16), servo motor d (16) are connected with lead screw a (18) through belt pulley drive mechanism (17), drive lead screw a (18) and then drive slider a (19), slip table a (3) and remove along guide rail a (2).
3. The fully automatic cold heading machine according to claim 1, wherein: the sliding table is characterized by further comprising a power mechanism zero point switch (24), a power mechanism limit switch (25), a transverse moving zero point switch (26) and a transverse moving limit switch (21), wherein the power mechanism zero point switch (24) and the power mechanism limit switch (25) are sequentially arranged on the top surface of the working table c (28) or the working table d (29) from left to right and are close to and face the guide rail a (2), the power mechanism zero point switch (24) is used for zeroing the position of the sliding table a (3), and the power mechanism limit switch (25) is used for limiting the limit position of the sliding table a (3) in a backward movement mode;
the transverse movement limit switch (21) and the transverse movement zero point switch (26) are sequentially arranged on the left side edge of the top surface of the sliding table a (3) from front to back, the transverse movement limit switch (21) and the transverse movement zero point switch (26) extend to the upper side of the guide rail b (6), and the detection end faces the guide rail b (6); the transverse movement limit switch (21) is used for limiting the limit position of the forward movement of the sliding table b (5), and the transverse movement zero switch (26) is used for zero adjustment of the position of the sliding table b (5);
the power mechanism zero switch (24), the power mechanism limit switch (25), the transverse moving zero switch (26) and the transverse moving limit switch (21) are all proximity switches.
4. The fully automatic cold heading machine according to claim 1, wherein: the nut positioning and clamping device is arranged on the nut conveying device;
the nut conveying device comprises a base (30), a vibration motor, a spring, a vibration cylinder (33), a material arranging long groove (34), a conveying channel (35), a nut clamping mechanism, a camera support (31) and a camera (32);
the lower bottom surface of the vibrating cylinder (33) is arranged on the upper surface of the top plate of the base (30) through a plurality of groups of uniformly distributed springs; the vibration motor is arranged in the base (30) and is connected with the lower surface of the top plate of the base (30);
a spiral guide belt (36) is arranged on the inner wall of the vibration cylinder (33), the starting end of the spiral guide belt (36) is positioned at the bottom of the vibration cylinder (33), the outlet end of the spiral guide belt is positioned at the top of the vibration cylinder (33), and the bottom surface of the vibration cylinder (33) is used for storing bolts; the inner side wall of the upper section of the spiral guide belt (36) is provided with a material shaping hole (37); the height of the material-arranging hole (37) is smaller than the longitudinal height of the nut and larger than the width of the nut, so that the lying nut can fall back into the vibrating cylinder (33);
an outlet is formed in the top end of the side wall of the vibration cylinder (33), and a single-piece long groove (34) is formed in the outlet; the lower end of the single-piece long groove (34) obliquely penetrates out of the outlet of the vibration cylinder (33) downwards and is connected with a conveying channel (35); a blocking cover (38) is arranged at the top of the single-piece long groove (34), and the height of the blocking cover (38) is slightly higher than the longitudinal height of the nut; in the process of extending from the outlet of the vibrating cylinder (33) to the conveying channel (35), the whole material body long groove (34) is gradually changed from vertical swing to horizontal swing, so that the nut in the whole material body long groove rotates for 90 degrees;
the nut positioning and clamping device comprises a rod positioning plate (39), a nut pressing seat (40), a nut pressing groove (41), a nut clamping cylinder (42) and a pressing block (43); the nut pressing seat (40) is arranged in front of the side face, facing the workbench b (27), of the sliding table a (3), a nut pressing groove (41) is formed in the nut pressing seat, and the conveying channel (35) is connected with the nut pressing groove (41) and is used for conveying nuts into the nut pressing groove; the nut clamping cylinder (42) is arranged on one side of the nut pressing seat (40), a pressing block (43) is arranged on a piston rod of the nut clamping cylinder, the nut clamping cylinder (42) drives the pressing block (43) to press the nut entering the nut pressing groove (41), and at the moment, a screw hole of the nut corresponds to a rod material pressing channel formed by the positioning groove (11) and the pressing groove; the rod positioning plate (39) is arranged in front of the side surface of the nut pressing seat (40) facing the workbench b (27), and is provided with a rod limiting hole which is used for limiting the entering position of a rod so that the rod can smoothly enter a screw hole and a positioning groove (11) of the nut;
the top surface of the oil cylinder mounting seat (15) is provided with a camera bracket (31); the camera (32) is arranged on the camera bracket (31) and is aligned with the nut pressing groove (41).
5. The fully automatic cold heading machine according to claim 4, wherein:
the automatic feeding mechanism comprises a storage tank (44), a jacking and feeding mechanism and a positioning table (45);
the storage tank (44) is arranged on the top surface of the workbench a (1); the positioning table (45) is arranged on the front side surface of the storage tank (44); the bottom surface of the storage tank (44) is an inclined surface which is inclined downwards from back to front;
the jacking and feeding mechanism comprises a step platform (46), a jacking cylinder (47) and a jacking mechanism; the stepped platform (46) is arranged on the front side of the bottom surface of the storage tank (44), the stepped platform (46) comprises a first-stage step (48) and a second-stage step (49), the top surfaces of the first-stage step (48) and the second-stage step (49) are inclined surfaces which incline forwards and downwards from back to front, and the side surfaces of the first-stage step (48) and the second-stage step (49) are vertical surfaces;
a plurality of groups of material ejecting grooves (50) are uniformly arranged on the side surfaces of the first-stage ladder (48) and the second-stage ladder (49) at intervals, top surface grooves a (51) are arranged on the top surface of the first-stage ladder corresponding to the positions of the material ejecting grooves (50), the top surface grooves a (51) are communicated with the tops of the corresponding material ejecting grooves (50), top surface grooves b (52) are arranged on the bottom surfaces of the material storage grooves (44) at the bottom end positions of the material ejecting grooves (50) or the top surfaces of the ladders, and the top surface grooves b (52) are communicated with the bottom ends of the corresponding material ejecting grooves (50);
the material ejecting mechanisms are provided with two groups, each group of material ejecting mechanisms comprises a connecting plate (53) and a plurality of ejector rods (54), the ejector rods (54) are respectively and correspondingly arranged in the material ejecting grooves (50), the cross sections of the ejector rods are consistent with the orthographic projection surfaces of the top surface grooves a (51) and the top surface grooves b (52), and the bottom ends of the ejector rods (54) are respectively connected with the connecting plate (53); two groups of material ejecting cylinders (47) are arranged corresponding to the material ejecting mechanisms, are arranged in the workbench b (27) and are positioned below the material storage tank (44), piston rods of the material ejecting cylinders are vertically arranged upwards, and the upper ends of the piston rods are connected with the connecting plate (53); the lower ejector rod (54) is driven by the ejector cylinder (47) to stretch out and draw back through the top surface groove b (52), the ejector groove (50) and the top surface groove a (51), extend out of the top surface groove a (51) and extend out of the top surface groove a (51) or retract into the top surface groove b (52);
a detection groove (64) is arranged on the top surface of a first step (48) in two steps of the step platform (46) close to the side surface of a second step (49), a photoelectric switch with a vertically upward detection direction is arranged in the detection groove, and when the photoelectric switch can not detect the pipe, a material ejecting cylinder at the first step (48) is controlled to act to eject an ejector rod (54) to eject the pipe to the top surface of the first step (48);
the top surfaces of two steps of the stair platform (46) are parallel to each other, the front side of the top surface of the ejector rod (54) is provided with an inclined top platform (55) parallel to the top surface of the steps, and the rear side of the top surface of the ejector rod (54) is provided with an inclined platform a (56) with the inclination direction opposite to that of the inclined top platform; the highest point of the inclined top platform (55) is connected with the highest point of the inclined platform a (56).
6. The fully automatic cold heading machine according to claim 5, wherein: the positioning table (45) is provided with a plurality of groups, the positioning table is arranged on the front side face of the material storage groove (44) at intervals, the positioning table (45) comprises an inclined table b (57), a positioning groove b (58) and a stop block (59), the inclined table b (57) is arranged at the top of the front side of the working table b (27), the top face of the inclined table b (57) is an inclined face which inclines forwards and downwards from back to front, and the rear side edge of the top face of the inclined table b (57) is connected with the front side edge of the top face of the second-stage step (49) of the stepped table (46) through a buffer face (60); a stop block (59) is arranged on the front side of the sloping platform b (57), and a positioning groove b (58) corresponding to the shape of the pipe is arranged on the contact part of the front edge of the top surface of the sloping platform b (57) and the stop block (59);
the left end and the right end of the front side surface of the storage tank (44) are respectively provided with a baffle plate (61) and a positioning pushing cylinder (62); a piston rod of the positioning pushing cylinder (62) horizontally faces the direction of the baffle (61), and a pushing block (63) is arranged on the positioning pushing cylinder; the left side face or the right side face of the left positioning table (45) is provided with a photoelectric switch with a vertical upward detection direction, and when the photoelectric switch detects a pipe, the positioning pushing cylinder (62) pushes the push block (63) to push the rod material to contact the baffle (61) so as to position the rod material.
7. The fully automatic cold heading machine according to claim 5 or 6, wherein: the automatic conveying and feeding assembly comprises a transferring a (65), a transferring b (66), a transferring c (67) and a transferring d (68), wherein the transferring a (65), the transferring b (66), the transferring c (67) and the transferring d (68) are sequentially arranged on a workbench b (27) at intervals along the direction from back to front;
the transfer a (65) is used for grabbing the rod material from the positioning table (45) and transferring the rod material to the direction of the transfer b (66);
the transfer b (66) is used for grabbing the rod material from the transfer a (65) and transmitting the rod material to the left pier head mechanism so that the rod material sequentially penetrates into the rod material limiting hole, the screw hole of the nut and the positioning groove (11); then resetting the rod material after cold heading, and transferring the rod material in the direction of transferring c (67);
the transfer c (67) is used for grabbing the bar material from the transfer b (66) and transferring the bar material to the transfer d (68);
the transfer d (68) is used for grabbing the rod material from the transfer c (67), transferring the rod material to the right pier nose mechanism direction, enabling the rod material to sequentially penetrate into a rod material limiting hole, a screw hole of a nut and a positioning groove (11), resetting the cold-headed rod material, and sending the rod material out of the workbench b (27) from the front.
8. The fully automatic cold heading machine according to claim 7, further comprising:
the transfer a (65) comprises a mounting plate a (69), an air cylinder a (70), a sliding chute a, a rack a (71), a gear a (72), a rotating shaft a (73), a bearing seat a (74) and an air cylinder clamping jaw a (75), wherein the mounting plate a (69) is arranged on the rear side of the top surface of the workbench b (27) and is close to the positioning table (45); two sides of the rotating shaft a (73) are arranged on the mounting plate a (69) through a bearing a and a bearing seat a (74), the rotating shaft a (73) is horizontally arranged along the left-right direction, and two sides of the rotating shaft a (73) are respectively provided with a group of parallel cylinder clamping jaws a (75); the cylinder a (70) is arranged on the rear side of the middle part of the mounting plate a (69), and the direction of a piston rod of the cylinder a horizontally extends forwards; the sliding chute a is horizontally arranged along the front-back direction and is positioned beside the air cylinder a (70); the rack a (71) is arranged in the chute a, and a piston rod of the air cylinder a (70) is connected with the rack a (71) through a connecting rod and can drive the rack a (71) to slide along the chute a; a gear a (72) is arranged on the rotating shaft a (73), and the gear a (72) is meshed with the rack a (71);
the shifting b (66) comprises a guide rail c (76), a servo motor b (77), a mounting plate b (78), an air cylinder b (79), a sliding chute b, a rack b (80), a gear b (81), a rotating shaft b (82), a bearing seat b (83) and an air cylinder clamping jaw b (84); the guide rail c (76) is horizontally arranged on the top surface of the workbench b (27) along the left-right direction and is positioned beside the mounting plate a (69); the mounting plate b (78) is mounted on the guide rail c (76) through a sliding block; the servo motor b (77) is arranged at the right end of the guide rail c (76), the output shaft of the servo motor b (77) is connected with the screw rod b (110), the screw rod b (110) is connected with the mounting plate b (78) and drives the mounting plate b (78) to move along the guide rail c (76);
two sides of the rotating shaft b (82) are arranged on the mounting plate b (78) through a bearing b and a bearing seat b (83), the rotating shaft b (82) is horizontally arranged along the left-right direction, and two sides of the rotating shaft b (82) are respectively provided with a group of parallel cylinder clamping jaws b (84); the cylinder b (79) is arranged on the rear side of the middle part of the mounting plate b (78), and the direction of a piston rod of the cylinder b (79) horizontally extends forwards; the sliding chute b is horizontally arranged along the front-back direction and is positioned beside the cylinder b (79); the rack b (80) is arranged in the sliding chute b, and a piston rod of the air cylinder b (79) is connected with the rack b (80) through a connecting rod and can drive the rack b (80) to slide along the sliding chute b; a gear b (81) is arranged on the rotating shaft b (82), and the gear b (81) is meshed with the rack b (80); when the rotating shaft b (82) is driven by the air cylinder b (79) to rotate to the rear limit position, the air cylinder clamping jaw b (84) can clamp and transfer the rod material on the a (65), the rod material is aligned to the rod material limiting hole of the left pier head mechanism, the screw hole of the nut and the positioning groove (11), and the rod material is sent into the left pier head mechanism under the drive of the servo motor b (77);
the transfer c (67) comprises a guide rail d (85), a servo motor c (86), a mounting plate c (87), a cylinder c (88), a chute c, a rack c (89), a gear c (90), a rotating shaft c (91), a bearing seat c (92) and a cylinder clamping jaw c (93); the guide rail d (85) is horizontally arranged on the top surface of the workbench b (27) along the left-right direction and is positioned beside the guide rail c (76); the mounting plate c (87) is mounted on the guide rail d (85) through a sliding block; the servo motor c (86) is arranged at the left end of the guide rail c (76), the output shaft of the servo motor c (86) is connected with the screw rod c (111), the screw rod c (111) is connected with the mounting plate c (87), and the mounting plate c (87) is driven to move along the guide rail d (85);
two sides of the rotating shaft c (91) are arranged on the mounting plate c (87) through a bearing c and a bearing seat c (92), the rotating shaft c (91) is horizontally arranged along the left-right direction, and two sides of the rotating shaft c (91) are respectively provided with a group of parallel cylinder clamping jaws c (93); the cylinder c (88) is arranged at the rear side of the middle part of the mounting plate c (87), and the direction of a piston rod of the cylinder c (88) horizontally extends forwards; the sliding chute c is horizontally arranged along the front-back direction and is positioned beside the air cylinder c (88); the rack c (89) is arranged in the chute c, and a piston rod of the air cylinder c (88) is connected with the rack c (89) through a connecting rod and can drive the rack c (89) to slide along the chute c; a gear c (90) is arranged on the rotating shaft c (91), and the gear c (90) is meshed with the rack c (89);
a discharge frame (103) is arranged at the front end of the workbench b (27), a discharge plate (104) is arranged at the top end of the discharge frame (103), the discharge plate (104) is obliquely arranged in a direction from back to front and downwards, and two clamping jaw openings (105) are arranged at the rear end of the discharge plate (104);
the transfer d (68) comprises a guide rail e (95), a linear cylinder b (112), a guide groove (96), a supporting platform (97), a guide rail f (98), a linear cylinder a (99), a mounting plate d (100) and a cylinder clamping jaw d (101); the guide rail e (95) is horizontally arranged on the top surface of the workbench b (27) along the front-back direction, the rear end of the guide rail e (95) extends to the accessory of the guide rail d (85), and the front end of the guide rail e (95) extends to the discharge frame (103); a parallel guide groove (96) is arranged beside the guide rail e (95), and the linear cylinder b (112) is arranged in the workbench b (27) and corresponds to the guide groove (96); the pallet (97) is arranged on the guide rail e (95) through a sliding block, the bottom surface of the pallet (97) is connected with a piston rod of the linear cylinder b (112) through a connecting sliding block (102), and the pallet can move along the guide rail e (95) under the driving of the linear cylinder b (112);
the guide rail f (98) is horizontally arranged on the top surface of the workbench b (27) along the left-right direction; the supporting platform (97) is arranged on the guide rail f (98) through a sliding block; the linear cylinder a (99) is arranged at the left end of the guide rail f (98), a piston rod of the linear cylinder a horizontally extends rightwards and is connected with the left end of the saddle (97) to drive the saddle (97) to move along the guide rail c (76);
the mounting plate d (100) is horizontally arranged on the supporting platform (97) along the left-right direction, two sides of the mounting plate d are provided with cylinder clamping jaws d (101), the two cylinder clamping jaws d (101) respectively correspond to two clamping jaw openings (105) at the rear end of the discharge plate (104), and when the cylinder clamping jaws d (101) are opened, the rod material falls onto the discharge plate (104) and slides out of the front end of the discharge plate (104) along the inclined plane of the rod material;
the saddle (97) is driven by a linear cylinder b (112), when the saddle moves to the extreme position of the rearmost side, a cylinder clamping jaw d (101) receives and transfers the rod material clamped on the c (67), at the moment, the cylinder clamping jaw d (101) clamps the rod material to be aligned to a rod material limiting hole of the right pier head mechanism, a screw hole of a nut and a positioning groove (11), and the servo motor c (86) drives the rod material to be sent into the right pier head mechanism.
9. The fully automatic cold heading machine according to claim 8, further comprising: the transfer c (67) further comprises a vertical position cylinder (106), a limiting baffle (107) and a limiting plate (108), wherein the vertical position cylinder (106) is arranged in the middle of the front side of the mounting plate c (87), the piston rod of the vertical position cylinder (106) is horizontally arranged backwards, the limiting baffle (107) is arranged on the piston rod of the vertical position cylinder (106), and the limiting plate (108) is arranged on the rotating shaft c (91); when the piston rod of the vertical position cylinder (106) extends to the stroke, the rotating shaft c (91) rotates the limiting plate (108) to contact the limiting baffle (107) so that the rotating shaft c (91) stops rotating, and at the moment, the cylinder clamping jaw c (93) is in a vertical state.
10. The fully automatic cold heading machine according to claim 8, further comprising: the device is characterized by further comprising a rod collecting tank (109), wherein the rod collecting tank (109) is arranged in front of the workbench b (27) and corresponds to the discharging plate (104) and is used for collecting rod materials sliding on the discharging plate (104).
CN202011574819.0A 2020-12-28 2020-12-28 Full-automatic cold heading machine Active CN112642980B (en)

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CN111687357A (en) * 2019-03-15 2020-09-22 厦门金波贵金属制品有限公司 Cold heading structure assisting in forming and positioning
CN211614168U (en) * 2020-01-20 2020-10-02 邯郸市钢硕紧固件制造有限公司 Cold heading machine of splashproof oil

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EP0078775A1 (en) * 1981-11-03 1983-05-11 Albino Castiglioni Machine for continuously shearing off and cold-heading of wire material
EP1017519A1 (en) * 1997-09-27 2000-07-12 Gebr. Felss GmbH & Co. KG. Feed mechanism for a forming device, especially a cold forming device such as a rotary swaging device
JP2002263774A (en) * 2001-03-12 2002-09-17 Sakamura Mach Co Ltd Heading machine
CN1913989A (en) * 2004-02-05 2007-02-14 株式会社大同机械制作所 Multistage heading machine
CN201220341Y (en) * 2008-05-13 2009-04-15 杨华 Cold holder capable of processing screw thread and screw thread processing device
WO2016034148A1 (en) * 2014-09-03 2016-03-10 杨东佐 Upsetting machine and working method
CN204866890U (en) * 2015-07-25 2015-12-16 山东红旗自动化设备有限公司 Copper pipe pier head, flaring mechanism
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CN209969464U (en) * 2019-03-15 2020-01-21 厦门金波贵金属制品有限公司 Cold heading structure assisting in forming and positioning
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CN211614168U (en) * 2020-01-20 2020-10-02 邯郸市钢硕紧固件制造有限公司 Cold heading machine of splashproof oil
CN111468658A (en) * 2020-05-21 2020-07-31 南通市华冠电器有限公司 Copper pipe machining device for pressure switch

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