CN113198934B - Suspension type multi-station servo synchronous feeding production line - Google Patents

Suspension type multi-station servo synchronous feeding production line Download PDF

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Publication number
CN113198934B
CN113198934B CN202110528893.7A CN202110528893A CN113198934B CN 113198934 B CN113198934 B CN 113198934B CN 202110528893 A CN202110528893 A CN 202110528893A CN 113198934 B CN113198934 B CN 113198934B
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CN
China
Prior art keywords
feeding
lifting
opening
closing
shaft
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CN202110528893.7A
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Chinese (zh)
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CN113198934A (en
Inventor
陈嘉豪
李智敏
李智豪
李健聪
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Guangdong Hongxing Machinery Co ltd
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Guangdong Hongxing Machinery Co ltd
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Priority to CN202110528893.7A priority Critical patent/CN113198934B/en
Publication of CN113198934A publication Critical patent/CN113198934A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/003Positioning devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02Stamping using rigid devices or tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02Advancing work in relation to the stroke of the die or tool
    • B21D43/027Combined feeding and ejecting devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/20Storage arrangements; Piling or unpiling
    • B21D43/24Devices for removing sheets from a stack
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Abstract

The invention relates to a suspension type multi-station servo synchronous feeding production line which comprises a press machine and a feeding line, wherein the feeding line comprises a translation material platform, a hydraulic jacking mechanism, a material taking mechanism, a secondary positioning mechanism, a lifting mechanism, an opening and closing mechanism, a double-shaft feeding mechanism and a material clamping assembly. Above-mentioned pay-off production line can adopt two servo motor to realize synchronous operation through electric motion control system to simplify the complexity of drive mechanism among the prior art, mechanism, biax feeding mechanism, the clamp material subassembly that opens and shuts all set up simultaneously on elevating system, elevating system then adopts the mode setting of hanging in the press left and right sides, and then reduce the occupation of pay-off production line to the peripheral usable floor area of press, thereby reduce the complete machine volume of pay-off production line, and the pay-off production line need not manual operation in the during operation moreover, its pay-off action follows the automatic continuous punching press of press can realize the work piece, production efficiency is high, be suitable for the automatic production and processing demand of modernization.

Description

Suspension type multi-station servo synchronous feeding production line
Technical Field
The invention relates to a suspension type multi-station servo synchronous feeding production line.
Background
Stamping is most widely used in metal forming, and processes such as punching, bending, stretching, blanking and forming can be performed by using different dies, and most of workpieces can be completed through a plurality of stamping processes. At present, in multi-working-procedure stamping, a plurality of presses and a plurality of workers are adopted to operate, and each working procedure is completed by discharging and taking materials by hands. Therefore, the production efficiency is low, the accident of work injury to hands is easy to happen, and the production is very unsafe. The existing feeding and discharging manipulators are mostly used for joint or swing arm type feeding, are only suitable for single stamping, have low production efficiency and are necessary to be further improved.
Disclosure of Invention
The invention aims to provide a suspended multi-station servo synchronous feeding production line which has the advantages of simple and reasonable structure, excellent performance, convenient operation, small volume, automatic continuous punching, high production efficiency, safety, reliability and capability of realizing single-machine multi-point punching, so as to overcome the defects in the prior art.
According to the servo synchronous pay-off production line of multistation of this purpose design, including press and feed line, its characterized in that: the feeding line comprises a translation material platform, a hydraulic jacking mechanism, a material taking mechanism, a secondary positioning mechanism, a lifting mechanism, an opening and closing mechanism, a double-shaft feeding mechanism and a material clamping assembly.
One side of the press machine is fixedly provided with a bottom frame, and a material table guide assembly is arranged on the bottom frame; the translation material platform is arranged on the underframe through the material platform guide assembly, at least two stations are arranged on the translation material platform, and the translation material platform vertically slides on one side of the press along the feeding direction of the feeding line.
The hydraulic lifting mechanism is arranged below the translation material platform and is in driving connection with the translation material platform; the translation material platform is driven by the hydraulic lifting mechanism to lift at one side of the press.
The material taking mechanism is suspended above the translation material table and slides in parallel along the feeding direction of the feeding line between the material discharging machine table and the secondary positioning mechanism.
The secondary positioning mechanism is arranged between the discharging machine table and the double-shaft feeding mechanism.
The lifting mechanism at least comprises two lifting machine boxes, the two lifting machine boxes are respectively hung and fixed on the left side and the right side of the press machine, and a left lifting rack and a right lifting rack are respectively arranged on the lifting machine boxes on the left side and the right side.
The opening and closing mechanisms are provided with two groups, the two groups of opening and closing mechanisms are respectively arranged on the left lifting rack and the right lifting rack, each group of opening and closing mechanisms at least comprises two opening and closing movable plates, and the two opening and closing movable plates are respectively arranged at the front and rear positions of the left lifting rack and the right lifting rack.
The double-shaft feeding mechanism at least comprises two feeding shafts, the two feeding shafts are parallel to each other, are arranged front and back along the feeding direction of the feeding line and are perpendicular to the opening and closing direction of the opening and closing mechanism respectively, and the two feeding shafts are arranged on the two groups of opening and closing mechanisms respectively.
The left lifting machine box is provided with a lifting servo motor, the lifting servo motor is in driving connection with a left worm speed reducer, one side of the left worm speed reducer is in driving connection with a left lifting steering gear, the other side of the left worm speed reducer is in driving connection with a left coupler and is in driving connection with a lifting transmission shaft through the left coupler, the left worm speed reducer is in driving connection with a right coupler through the lifting transmission shaft, the right coupler is in driving connection with a right lifting steering gear, and the right lifting steering gear is arranged on the right lifting machine box.
Lifting racks are respectively arranged on the left lifting rack and the right lifting rack; the left lifting steering gear and the right lifting steering gear are respectively connected with gear shafts in a transmission way, lifting gears are respectively arranged on the left gear shafts and the right gear shafts, and the left gear shafts and the right gear shafts are respectively connected with left lifting racks and right lifting racks in a meshed way through the left lifting gears and the right lifting gears; and the lifter boxes on the left side and the right side are respectively provided with a wire rail.
The left lifting rack and the right lifting rack are respectively provided with a wire rail sliding block, are respectively arranged on the left wire rail and the right wire rail in a sliding way through the left wire rail sliding block and the right wire rail sliding block, and synchronously lift and move on the lifting machine boxes on the left side and the right side through the matching of the left gear shaft and the right gear shaft and the left lifting rack and the right gear shaft.
The opening and closing mechanism comprises an opening and closing servo motor, the opening and closing servo motor is arranged on the right lifting rack, an opening and closing right steering gear is connected to the opening and closing servo motor in a driving mode, an opening and closing transmission shaft is connected to the opening and closing right steering gear in a driving mode, and the opening and closing servo motor is connected with an opening and closing left steering gear arranged on the left lifting rack in a driving mode through the opening and closing transmission shaft; the left lifting rack and the right lifting rack are respectively provided with a positive and negative tooth ball screw, and the right turning device and the left turning device are respectively connected with the left and right positive tooth ball screw in a transmission way.
The left lifting rack and the right lifting rack are respectively provided with an opening and closing linear guide rail, the left and right opening and closing linear guide rails are mutually parallel to the left and right positive and negative tooth ball screws, and the left and right opening and closing linear guide rails and the positive and negative tooth ball screws are respectively and vertically arranged on the left lifting rack and the right lifting rack along the feeding direction of the feeding line; the front and back opening and closing movable plates are respectively provided with two opening and closing sliding blocks, and are respectively connected with the opening and closing linear guide rail in a sliding way through the two opening and closing sliding blocks.
The two ends of the front and back tooth ball screw are respectively connected with nuts in a meshed manner and are in driving connection with the front and back opening and closing movable plates through nuts at the two ends; the nuts at the two ends move oppositely when the front and back tooth ball screw rotates, and the front and back opening and closing movable plates are driven to open and close through the two opening and closing sliding blocks respectively on the opening and closing linear guide rail.
The double-shaft feeding mechanism further comprises two feeding servo motors and two feeding shaft supporting seats respectively; the two feeding servo motors are respectively arranged on the two feeding shaft supporting seats and are respectively connected with a planetary reducer in a driving way; the two feeding shafts are respectively provided with a linear guide rail; the two feeding shaft supporting seats are respectively provided with a feeding sliding block; the two feeding shafts are respectively connected with the feeding sliding blocks of the two feeding shaft supporting seats in a sliding manner through linear guide rails.
The two feeding shafts are respectively arranged in parallel along the feeding direction of the feeding line, and racks are respectively arranged on the two feeding shafts; the two feeding servo motors are respectively connected with a feeding gear through a planetary reducer in a driving way and are respectively connected with a rack through the feeding gear in a meshed way; the two feeding shafts synchronously move left and right on the feeding sliding blocks of the two feeding shaft supporting seats respectively through the matching of the two feeding servo motors, the planetary reducer, the feeding gear, the rack and the linear guide rail.
The clamping components are provided with a plurality of clamping components, and are respectively and fixedly arranged on the two feeding shafts in a mutually front-back corresponding mode, and an elastic piece is further arranged on the clamping component of one feeding shaft.
The translation material platform further comprises a sliding material and a translation cylinder; the underframe is fixedly arranged at one side of the press machine; the translation cylinder is vertically fixed on the underframe along the feeding direction of the feeding line, and the power output end of the translation cylinder is in driving connection with the sliding material table; the at least two stations are respectively arranged on the sliding material table; the material table guide assembly is arranged between the sliding material table and the underframe; the sliding material table slides on the underframe in a reciprocating manner through the matching of the translation air cylinder and the material table guide assembly, and the reciprocating sliding direction of the sliding material table is mutually perpendicular to the feeding direction of the feeding line.
The hydraulic jacking mechanism comprises a pump station, a jacking hydraulic cylinder, a jacking guide rod and a jacking block; the pump station is fixedly arranged on the underframe and is connected with the jacking hydraulic cylinder in a matched manner; the jacking hydraulic cylinder is longitudinally and fixedly arranged on the underframe, and the power output end of the jacking hydraulic cylinder is in driving connection with the jacking block; the jacking guide rod is longitudinally fixed on the underframe, and the guide movable end of the jacking guide rod is connected with the jacking block in a matched manner; the jacking block is longitudinally lifted on the underframe through the cooperation of the pump station, the jacking hydraulic cylinder and the jacking guide rod.
The material taking mechanism comprises a feeding cylinder, a lifting material taking cylinder, a material taking sucker, a supporting frame and a movable piece; the supporting frame is fixedly arranged on the underframe; the feeding cylinder is fixedly arranged on the support frame along the feeding direction of the feeding line, and the power output end of the feeding cylinder is in driving connection with the movable piece; the lifting material taking cylinder is fixedly arranged on the movable piece, and the power output end of the lifting material taking cylinder is in driving connection with the material taking sucker; a movable guide assembly is also arranged between the movable piece and the support frame; the movable piece slides back and forth between the discharging machine table and the secondary positioning mechanism through the matching of the feeding air cylinder and the movable guide component; the material taking sucker is driven to move on the movable piece in a lifting manner through the lifting material taking cylinder.
The secondary positioning mechanism comprises a secondary positioning table and a double-sheet detector; the secondary positioning table is fixedly arranged between the two groups of opening and closing mechanisms along the feeding direction of the feeding line, a plurality of groups of cylinder correcting parts are arranged on the secondary positioning table, and workpieces conveyed by the material taking mechanism are corrected and positioned through the plurality of groups of cylinder correcting parts; the double-sheet detector is provided with a plurality of double-sheet detectors, and the double-sheet detectors are respectively arranged in an extending mode along the direction of the secondary positioning table.
The feeding production line also comprises an electric motion control system, wherein the electric motion control system comprises a servo driver, a PLC and a man-machine interface.
The PLC controls the lifting mechanism, the opening and closing mechanism and the double-shaft feeding mechanism through the cooperation of the man-machine interface and the servo driver respectively so as to realize the lifting, opening and closing and left-right high-precision synchronous feeding of the two feeding shafts.
The two feeding shafts are mutually independent and are directly driven by two feeding servo motors arranged on the double-shaft feeding mechanism and a servo driver on the electric motion control system respectively.
The PLC is electrically connected with a controller arranged on the press through a man-machine interface so as to realize automatic stamping operation of the press.
Compared with the prior art, the invention has the following advantages by improving the structure:
1. at least two stations are arranged on the translation material table, and a large number of workpieces can be stacked and automatically taken out to the secondary positioning mechanism during working.
2. The lifting mechanism comprises a left lifting machine box and a right lifting machine box, and the left lifting machine box and the right lifting machine box are respectively hung and fastened on the left side and the right side of the press; the lifting servo motor is arranged on the left lifting machine box and is in transmission connection with the right lifting machine box through the lifting transmission shaft so as to drive the left lifting rack and the right lifting rack on the left lifting machine box and the right lifting machine box to synchronously lift, and finally, the opening and closing mechanism and the double-shaft feeding mechanism can do lifting motion.
3. The opening and closing mechanism comprises an opening and closing servo motor, and the opening and closing servo motor drives the left positive and right positive tooth ball screw and the right positive tooth ball screw to synchronously rotate through the cooperation of the opening and closing steering gear and the opening and closing transmission shaft, so that the synchronous opening and closing of the double-shaft feeding mechanism arranged on the opening and closing mechanism is realized.
4. The double-shaft feeding mechanism comprises a feeding servo motor, a feeding shaft supporting seat and feeding shafts, and the feeding servo motor drives the two feeding shafts to synchronously move left and right through the cooperation of a feeding gear and a feeding rack.
5. The electric motion control system can control the lifting mechanism, the opening and closing mechanism and the double-shaft feeding mechanism to work, so that the clamping components on the two feeding shafts can integrally lift, open and close and feed left and right, and workpieces are conveyed to the following processing and production procedures from the secondary positioning mechanism during the motion; meanwhile, the electric motion control system is electrically connected with a controller of the press machine to realize automatic stamping, so that the working efficiency is effectively improved.
Therefore, this pay-off production line can adopt two servo motor to realize synchronous operation through electric motion control system, thereby simplify the complexity of drive mechanism among the prior art, simultaneously open and shut mechanism, biax feeding mechanism, press from both sides the material subassembly and all set up on elevating system, elevating system then adopts the mode setting of hanging in the press left and right sides, and then reduce the occupation of pay-off production line to the peripheral usable floor area of press, thereby reduce the complete machine volume of pay-off production line, and the pay-off production line need not manual operation in the during operation, its pay-off action follows the press and can realize the automatic continuous punching of work piece, accomplish the single production processing mode of blowing action, punch press punching press completion later time punching press with prior art's production efficiency is higher, more be suitable for the automatic production processing demand of modernization.
Moreover, the feeding production line can complete corresponding actions in corresponding space and time ranges by being matched with the angle position of the punch of the reading press and the feeding and discharging system and the clamping detection system, continuous feeding of the feeding production line and stamping of the press are not interfered with each other, and the feeding and stamping continuous working requirements are completed, so that the production and processing safety of workpieces is improved, the cost is effectively saved, the quality of products is ensured, the products meet the market requirements, meanwhile, the stamping operation can be efficiently, accurately, flexibly, safely and effectively completed during production and processing, the manual or semi-automatic production and processing mode in the prior art is replaced, resources are saved, the connection use of various presses in the processing process is greatly met, and 50% -60% of production investment can be saved.
The automatic continuous stamping machine has the characteristics of simple and reasonable structure, excellent performance, convenience in operation, small volume, automatic continuous stamping, high production efficiency, safety, reliability, capability of realizing single-machine multi-point stamping and the like, and strong practicability.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention
Fig. 2 is a schematic diagram of another structure of an embodiment of the present invention.
Fig. 3 is an enlarged view of the inside of the elevator cage at a in fig. 2.
Fig. 4 is a schematic structural diagram of another embodiment of the present invention.
Fig. 5 is an enlarged schematic view of the structure at B in fig. 4.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Referring to fig. 1-5, the suspension type multi-station servo synchronous feeding production line comprises a press 5 and a feeding line, wherein the feeding line comprises a translation material platform 1, a hydraulic lifting mechanism 2, a material taking mechanism 3, a secondary positioning mechanism 4, a lifting mechanism 6, an opening and closing mechanism 7, a double-shaft feeding mechanism 8 and a material clamping assembly 9.
One side of the press 5 is fixedly provided with a bottom frame 1.2, and the bottom frame 1.2) is provided with a material table guide component 1.5; the translation material platform (1) is arranged on the underframe 1.2 through a material platform guide assembly 1.5, at least two stations 1.1 are arranged on the translation material platform, and the translation material platform vertically slides on one side of the press machine 5 along the feeding direction of a feeding line.
The hydraulic lifting mechanism 2 is arranged below the translation material platform 1 and is in driving connection with the translation material platform 1; the translation material platform 1 is lifted on one side of the press machine 5 through the driving of the hydraulic lifting mechanism 2.
The material taking mechanism 3 is suspended above the translation material table 1 and slides in parallel along the feeding direction of the feeding line between the material placing machine table 1 and the secondary positioning mechanism 4.
The secondary positioning mechanism 4 is arranged between the discharging machine table 1 and the double-shaft feeding mechanism 8.
The lifting mechanism 6 at least comprises two lifting machine boxes 6.1, the two lifting machine boxes 6.1 are respectively hung and fixed on the left side and the right side of the press machine 5, and the lifting machine boxes 6.1 on the left side and the right side are respectively provided with a left lifting rack 6.2 and a right lifting rack 6.15.
The opening and closing mechanisms 7 are provided with two groups, the two groups of opening and closing mechanisms 7 are respectively arranged on the left lifting rack 6.2 and the right lifting rack 6.15, wherein each group of opening and closing mechanisms 7 at least comprises two opening and closing movable plates 7.1, and the two opening and closing movable plates 7.1 are respectively arranged at the front and rear positions of the left lifting rack 6.2 and the right lifting rack 6.15.
The double-shaft feeding mechanism 8 at least comprises two feeding shafts 8.2, the two feeding shafts 8.2 are parallel to each other, are arranged front and back along the feeding direction of the feeding line and are mutually perpendicular to the opening and closing direction of the opening and closing mechanism 7, and the two feeding shafts 8.2 are arranged on the two groups of opening and closing mechanisms 7 respectively.
As shown in fig. 3, a lifting servo motor 6.3 is arranged on a lifting chassis 6.1 on the left side, the lifting servo motor 6.3 is in driving connection with a left worm speed reducer 6.4, one side of the left worm speed reducer 6.4 is in driving connection with a left lifting steering gear 6.5, the other side is in driving connection with a left coupling 6.6, and is in driving connection with a lifting transmission shaft 6.12 through the left coupling 6.6, the left worm speed reducer 6.4 is in driving connection with a right coupling 6.13 through the lifting transmission shaft 6.12, the right coupling 6.13 is in driving connection with a right lifting steering gear 6.14, and the right lifting steering gear 6.14 is arranged on the lifting chassis 6.1 on the right side.
Further, lifting racks 6.8 are respectively arranged on the left lifting rack 6.2 and the right lifting rack 6.15; the left lifting steering gear 6.5 and the right lifting steering gear 6.14 are respectively connected with a gear shaft 6.7 in a transmission way, lifting gears 6.9 are respectively arranged on the left gear shaft 6.7 and the right gear shaft 6.7, and are respectively connected with left lifting racks and right lifting racks 6.8 in a meshed way through the left lifting gears 6.9 and the right lifting racks; the left and right elevator cases 6.1 are also respectively provided with a wire rail 6.10.
The left lifting rack 6.2 and the right lifting rack 6.15 are respectively provided with a wire rail sliding block 6.11, are respectively arranged on the left wire rail 6.10 through the left wire rail sliding block 6.11 and the right wire rail sliding block 6.11 in a sliding way, and synchronously lift and move on the lifting machine box 6.1 on the left side and the right side through the matching of the left gear shaft 6.7 and the left lifting rack 6.8 and the right gear shaft.
As shown in fig. 5, the opening and closing mechanism 7 comprises an opening and closing servo motor 7.2, the opening and closing servo motor 7.2 is arranged on a right lifting rack 6.15, an opening and closing right steering gear 7.3 is in driving connection with the opening and closing servo motor, an opening and closing transmission shaft 7.4 is in driving connection with the opening and closing left steering gear arranged on a left lifting rack 6.2 through the opening and closing transmission shaft 7.4; the left lifting rack 6.2 and the right lifting rack 6.15 are respectively provided with a positive and negative tooth ball screw 7.5, and the right opening and closing steering gear 7.3 and the left opening and closing steering gear are respectively connected with the left and right positive and negative tooth ball screw 7.5 in a transmission way.
The left lifting rack 6.2 and the right lifting rack 6.15 are respectively provided with an opening and closing linear guide rail 7.6, the left and right opening and closing linear guide rails 7.6 are mutually parallel to the left and right positive and negative tooth ball screws 7.5, and the left and right opening and closing linear guide rails 7.6 and the positive and negative tooth ball screws 7.5 are respectively and vertically arranged on the left lifting rack 6.2 and the right lifting rack 6.15 along the feeding direction of a feeding line; two opening and closing sliding blocks 7.7 are respectively arranged on the front and back opening and closing movable plates 7.1, and are respectively connected with the opening and closing linear guide rail 7.6 in a sliding way through the two opening and closing sliding blocks 7.7.
The two ends of the front and back tooth ball screw 7.5 are respectively connected with nuts in a meshed manner and are in driving connection with the front and back opening and closing movable plate 7.1 through nuts at the two ends; the nuts at the two ends move oppositely when the positive and negative tooth ball screw 7.5 rotates, and drive the front and back opening and closing movable plates 7.1 to move on the opening and closing linear guide rail 7.6 respectively through the opening and closing sliding blocks 7.7.
As shown in fig. 5, the double-shaft feeding mechanism 8 further comprises two feeding servo motors 8.1 and two feeding shaft supporting seats 8.3 respectively; the two feeding servo motors 8.1 are respectively arranged on the two feeding shaft supporting seats 8.3 and are respectively connected with a planetary reducer 8.4 in a driving way; the two feeding shafts 8.2 are respectively provided with a linear guide rail 8.5; the two feeding shaft supporting seats 8.3 are respectively provided with a feeding sliding block 8.6; the two feeding shafts 8.2 are respectively connected with the feeding sliding blocks 8.6 of the two feeding shaft supporting seats 8.3 in a sliding way through linear guide rails 8.5.
The two feeding shafts 8.2 are respectively arranged in parallel along the feeding direction of the feeding line, and racks 8.7 are respectively arranged on the two feeding shafts 8.2; the two feeding servo motors 8.1 are respectively connected with a feeding gear in a driving way through a planetary reducer 8.4 and are respectively connected with a rack 8.7 in a meshed way through the feeding gear; the two feeding shafts 8.2 move left and right synchronously on the feeding sliding blocks 8.6 of the two feeding shaft supporting seats 8.3 respectively through the matching of the two feeding servo motors 8.1, the planetary speed reducer 8.4, the feeding gears, the racks 8.7 and the linear guide rails 8.5.
The clamping components 9 are provided with a plurality of clamping components, and are respectively and fixedly arranged on the two feeding shafts 8.2 in a mutually front-back corresponding mode, elastic pieces are further arranged on the clamping components 9 of one feeding shaft 8.2, and the clamping components 9 can clamp a workpiece better through the elastic movement of the elastic pieces during clamping.
The translation material platform 1 also comprises a sliding material platform 1.3 and a translation cylinder 1.4; the underframe 1.2 is fixedly arranged at one side of the press machine 5; the translation cylinder 1.4 is vertically fixed on the underframe 1.2 along the feeding direction of the feeding line, and the power output end of the translation cylinder is in driving connection with the sliding material table 1.3; the at least two stations 1.1 are respectively arranged on the sliding material table 1.3; the material table guiding component 1.5 is arranged between the sliding material table 1.3 and the underframe 1.2; the sliding material table 1.3 slides on the underframe 1.2 in a reciprocating manner through the matching of the translation air cylinder 1.4 and the material table guide assembly 1.5, and the reciprocating sliding direction of the sliding material table is mutually perpendicular to the feeding direction of the feeding line. So as to facilitate the feeding back and forth between at least two stations 1.1 and improve the production effect.
The hydraulic jacking mechanism 2 comprises a pump station 2.1, a jacking hydraulic cylinder 2.2, a jacking guide rod 2.3 and a jacking block 2.4; the pump station 2.1 is fixedly arranged on the underframe 1.2 and is connected with the jacking hydraulic cylinder 2.2 in a matched manner; the jacking hydraulic cylinder 2.2 is longitudinally and fixedly arranged on the underframe 1.2, and the power output end of the jacking hydraulic cylinder is in driving connection with the jacking block 2.4; the jacking guide rod 2.3 is longitudinally fixed on the underframe 1.2, and the guide movable end of the jacking guide rod is in matched connection with the jacking block 2.4; the jacking blocks 2.4 are arranged at least two, at least two jacking guide rods 2.3 are respectively arranged on at least two stations 1.1, at least two jacking guide rods 2.3 are longitudinally lifted on the underframe 1.2 through the cooperation of the pump station 2.1, the jacking hydraulic cylinders 2.2, and workpieces on the stations 1.1 are stacked during lifting.
The material taking mechanism 3 comprises a feeding cylinder 3.1, a lifting material taking cylinder 3.2, a material taking sucker 3.3, a supporting frame 3.4 and a movable part 3.5; the supporting frame 3.4 is fixedly arranged on the underframe 1.2; the feeding cylinder 3.1 is fixedly arranged on the supporting frame 3.4 along the feeding direction of the feeding line, and the power output end of the feeding cylinder is in driving connection with the movable piece 3.5; the lifting material taking cylinder 3.2 is fixedly arranged on the movable piece 3.5, and the power output end of the lifting material taking cylinder is in driving connection with the material taking sucker 3.3; a movable guide component 3.6 is arranged between the movable piece 3.5 and the supporting frame 3.4; the movable piece 3.5 slides back and forth between the discharging machine table 1 and the secondary positioning mechanism 4 through the matching of the feeding air cylinder 3.1 and the movable guide component 3.6; the material taking sucker 3.3 is driven to move on the movable piece 3.5 in a lifting manner through the lifting material taking cylinder 3.2. Namely, the material taking sucker 3.3 can take the workpiece on the station 1.1 and convey the workpiece to the secondary positioning mechanism 4.
The secondary positioning mechanism 4 comprises a secondary positioning table 4.1 and a double-sheet detector 4.2; the secondary positioning table 4.1 is fixedly arranged between the two groups of opening and closing mechanisms 7 along the feeding direction of the feeding line, a plurality of groups of cylinder correcting parts are arranged on the secondary positioning table, and workpieces conveyed by the material taking mechanism 3 are corrected and positioned through the plurality of groups of cylinder correcting parts; the double-sheet detectors 4.2 are provided with a plurality of double-sheet detectors 4.2 which extend along the direction in which the secondary positioning table 4.1 is arranged. The secondary positioning table 4.1 can accurately position the workpiece conveyed by the material taking sucker 3.3, then waits for the clamping component 9 to clamp and convey the workpiece to the press 5 for stamping, and meanwhile, the double-sheet detector 4.2 detects double sheets of the conveyed workpiece, and if the detected workpiece has double-sheet errors, an alarm is given and/or the production line is suspended.
The feeding production line also comprises an electric motion control system 10, wherein the electric motion control system 10 comprises a servo driver, a PLC and a man-machine interface.
The PLC controls the lifting mechanism 6, the opening and closing mechanism 7 and the double-shaft feeding mechanism 8 respectively through the cooperation of a man-machine interface and a servo driver so as to realize the lifting, opening and closing and left-right high-precision synchronous feeding of the two feeding shafts 8.2.
The two feeding shafts 8.2 are mutually independent and are respectively and directly driven by two feeding servo motors 8.1 arranged on the double-shaft feeding mechanism 8 and a servo driver on the electric motion control system 10.
The PLC is electrically connected with a controller arranged on the press 5 through a man-machine interface so as to realize automatic stamping operation of the press 5.
The two feeding shafts 8.2 of the double-shaft feeding mechanism 8 are independent from each other in mechanical structure, no mechanical transmission mechanism is needed to be used for connection, and the two independent feeding servo motors 8.1 and a high-performance quick-response servo driver are adopted to directly drive and are matched with a developed specific algorithm program (written into a PLC), so that the core problem that pulse distortion, position drift, displacement compensation and the like of the two feeding shafts 8.2 influence synchronization during working is solved. By adopting the structure, the synchronous precision of the two feeding shafts 8.2 can reach 0.02mm, and the repeated positioning precision can reach 0.03mm.
The foregoing is a preferred embodiment of the invention showing and describing the general principles, features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, which have been described in the foregoing embodiments and description merely illustrates the principles of the invention, and that various changes and modifications may be effected therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents.

Claims (1)

1. The utility model provides a suspension type multistation servo synchronous pay-off production line, includes press (5) and pay-off line, its characterized in that: the feeding line comprises a translation material table (1), a hydraulic jacking mechanism (2), a material taking mechanism (3), a secondary positioning mechanism (4), a lifting mechanism (6), an opening and closing mechanism (7), a double-shaft feeding mechanism (8) and a material clamping assembly (9); one side of the press (5) is fixedly provided with a bottom frame (1.2), and the bottom frame (1.2) is provided with a material table guide assembly (1.5); the horizontal moving material platform (1) is arranged on the underframe (1.2) through a material platform guide assembly (1.5), at least two stations (1.1) are arranged on the horizontal moving material platform (1), and the horizontal moving material platform (1) vertically slides on one side of the press (5) along the feeding direction of the feeding line; the hydraulic lifting mechanism (2) is arranged below the translation material platform (1) and is in driving connection with the translation material platform (1); the translation material platform (1) is driven by the hydraulic lifting mechanism (2) to lift at one side of the press (5); the material taking mechanism (3) is suspended above the translation material table (1), and the material taking mechanism (3) slides in parallel between the translation material table (1) and the secondary positioning mechanism (4) along the feeding direction of the material feeding line; the secondary positioning mechanism (4) is arranged between the translation material platform (1) and the double-shaft feeding mechanism (8); the lifting mechanism (6) comprises two lifting machine boxes (6.1), the two lifting machine boxes (6.1) are respectively suspended and fixed on the left side and the right side of the press machine (5), a left lifting rack (6.2) is arranged on the lifting machine box (6.1) on the left side, and a right lifting rack (6.15) is arranged on the lifting machine box (6.1) on the right side; the opening and closing mechanisms (7) are provided with two groups, the two groups of opening and closing mechanisms (7) are respectively arranged on the left lifting rack (6.2) and the right lifting rack (6.15), each group of opening and closing mechanisms (7) respectively comprises two opening and closing movable plates (7.1), two opening and closing movable plates (7.1) on one group of opening and closing mechanisms (7) are arranged at the front and rear positions of the left lifting rack (6.2), and two opening and closing movable plates (7.1) on the other group of opening and closing mechanisms (7) are arranged at the front and rear positions of the right lifting rack (6.15); the double-shaft feeding mechanism (8) comprises two feeding shafts (8.2), the two feeding shafts (8.2) are parallel to each other, are arranged front and back along the feeding direction of the feeding line and are respectively perpendicular to the opening and closing direction of the opening and closing mechanism (7), and the two feeding shafts (8.2) are respectively arranged on the two groups of opening and closing mechanisms (7);
a lifting servo motor (6.3) is arranged on the left lifting case (6.1), the lifting servo motor (6.3) is in driving connection with a left worm speed reducer (6.4), one side of the left worm speed reducer (6.4) is in driving connection with a left lifting steering gear (6.5), the other side of the left worm speed reducer is in driving connection with a left coupling (6.6), the left lifting steering gear is in driving connection with a lifting transmission shaft (6.12) through the left coupling (6.6), the left worm speed reducer (6.4) is in driving connection with a right coupling (6.13) through the lifting transmission shaft (6.12), the right lifting steering gear (6.14) is in driving connection with a right lifting steering gear (6.14), and the right lifting steering gear (6.14) is arranged on the right lifting case (6.1);
lifting racks (6.8) are arranged on the left lifting rack (6.2) and the right lifting rack (6.15); the left lifting steering gear (6.5) and the right lifting steering gear (6.14) are respectively connected with a gear shaft (6.7) in a transmission way, lifting gears (6.9) are respectively arranged on the left gear shaft (6.7), and the left gear shaft and the right gear shaft are respectively connected with a left lifting rack (6.8) in a meshed way through the left lifting gear (6.9); the left and right elevator cases (6.1) are also respectively provided with a wire rail (6.10); the left lifting rack (6.2) and the right lifting rack (6.15) are respectively provided with a wire rail sliding block (6.11), are respectively arranged on the corresponding wire rails (6.10) in a sliding way through the wire rail sliding blocks (6.11), and synchronously lift and move on the lifting machine boxes (6.1) at the left side and the right side through the matching of the left gear shaft (6.7) and the left lifting rack (6.8);
the automatic lifting device is characterized by further comprising an opening and closing servo motor (7.2), wherein the opening and closing servo motor (7.2) is arranged on the right lifting rack (6.15), an opening and closing right steering gear (7.3) is in driving connection with the opening and closing servo motor, an opening and closing transmission shaft (7.4) is in driving connection with the opening and closing left steering gear arranged on the left lifting rack (6.2) through the opening and closing transmission shaft (7.4) on the opening and closing right steering gear (7.3); the left lifting rack (6.2) and the right lifting rack (6.15) are respectively provided with a positive and negative tooth ball screw (7.5), and the right opening and closing steering device (7.3) and the left opening and closing steering device are respectively in transmission connection with the corresponding positive and negative tooth ball screw (7.5);
the left lifting rack (6.2) and the right lifting rack (6.15) are respectively provided with an opening and closing linear guide rail (7.6), the left and right opening and closing linear guide rails (7.6) are mutually parallel to the left and right positive and negative tooth ball screws (7.5), and the left and right opening and closing linear guide rails (7.6) and the positive and negative tooth ball screws (7.5) are respectively and vertically arranged on the left lifting rack (6.2) and the right lifting rack (6.15) along the feeding direction of the feeding line; the two opening and closing movable plates (7.1) at the front and back positions are respectively provided with an opening and closing sliding block (7.7), and are in sliding connection with the corresponding opening and closing linear guide rail (7.6) through the two opening and closing sliding blocks (7.7);
the two ends of the positive and negative tooth ball screw (7.5) are respectively connected with nuts in a meshed manner, and are in driving connection with two opening and closing movable plates (7.1) at the front and rear positions through nuts at the two ends; the nuts at the two ends move when the positive and negative tooth ball screw (7.5) rotates, and the two opening and closing movable plates (7.1) at the front and back positions are driven to open and close through the two opening and closing sliding blocks (7.7) on the opening and closing linear guide rail (7.6) during the movement;
the double-shaft feeding mechanism (8) further comprises two feeding servo motors (8.1) and two feeding shaft supporting seats (8.3) respectively; the two feeding servo motors (8.1) are respectively arranged on the two feeding shaft supporting seats (8.3) and are respectively connected with a planetary reducer (8.4) in a driving way; the two feeding shafts (8.2) are respectively provided with a linear guide rail (8.5); the two feeding shaft supporting seats (8.3) are respectively provided with a feeding sliding block (8.6); the two feeding shafts (8.2) are respectively connected with feeding sliding blocks (8.6) of the two feeding shaft supporting seats (8.3) in a sliding way through linear guide rails (8.5);
the two feeding shafts (8.2) are respectively arranged in parallel along the feeding direction of the feeding line, and racks (8.7) are respectively arranged on the two feeding shafts (8.2); the two feeding servo motors (8.1) are respectively connected with a feeding gear in a driving way through a planetary reducer (8.4) and are respectively connected with a rack (8.7) in a meshed way through the feeding gears; the two feeding shafts (8.2) synchronously move left and right on feeding sliding blocks (8.6) of the two feeding shaft supporting seats (8.3) respectively through the matching of corresponding feeding servo motors (8.1), planetary reducers (8.4), feeding gears, racks (8.7) and linear guide rails (8.5);
the clamping components (9) are provided with a plurality of clamping components which are respectively and fixedly arranged on the two feeding shafts (8.2) in a back-and-forth correspondence manner, and the clamping component (9) of one feeding shaft (8.2) is also provided with an elastic piece; the translation material platform (1) further comprises a sliding material platform (1.3) and a translation cylinder (1.4); the translation cylinder (1.4) is vertically fixed on the underframe (1.2) along the feeding direction of the feeding line, and the power output end of the translation cylinder is in driving connection with the sliding material table (1.3); the at least two stations (1.1) are respectively arranged on the sliding material table (1.3); the material table guide assembly (1.5) is arranged between the sliding material table (1.3) and the underframe (1.2); the sliding material table (1.3) slides on the underframe (1.2) in a reciprocating manner through the matching of the translation air cylinder (1.4) and the material table guide assembly (1.5), and the reciprocating sliding direction of the sliding material table is mutually perpendicular to the feeding direction of the feeding line; the hydraulic jacking mechanism (2) comprises a pump station (2.1), a jacking hydraulic cylinder (2.2), a jacking guide rod (2.3) and a jacking block (2.4); the pump station (2.1) is fixedly arranged on the underframe (1.2) and is connected with the jacking hydraulic cylinder (2.2) in a matched manner; the jacking hydraulic cylinder (2.2) is longitudinally and fixedly arranged on the underframe (1.2), and the power output end of the jacking hydraulic cylinder is in driving connection with the jacking block (2.4); the jacking guide rod (2.3) is longitudinally fixed on the underframe (1.2), and the guide movable end of the jacking guide rod is matched and connected with the jacking block (2.4); the jacking block (2.4) is longitudinally lifted on the underframe (1.2) through the cooperation of the pump station (2.1), the jacking hydraulic cylinder (2.2) and the jacking guide rod (2.3); the material taking mechanism (3) comprises a feeding cylinder (3.1), a lifting material taking cylinder (3.2), a material taking sucker (3.3), a supporting frame (3.4) and a movable piece (3.5); the supporting frame (3.4) is fixedly arranged on the underframe (1.2); the feeding cylinder (3.1) is fixedly arranged on the supporting frame (3.4) along the feeding direction of the feeding line, and the power output end of the feeding cylinder is in driving connection with the movable piece (3.5); the lifting material taking cylinder (3.2) is fixedly arranged on the movable piece (3.5), and the power output end of the lifting material taking cylinder is in driving connection with the material taking sucker (3.3); a movable guide component (3.6) is arranged between the movable piece (3.5) and the supporting frame (3.4); the movable piece (3.5) slides back and forth between the translation material platform (1) and the secondary positioning mechanism (4) through the matching of the feeding cylinder (3.1) and the movable guide assembly (3.6); the material taking sucker (3.3) is driven to move up and down on the movable piece (3.5) through the lifting material taking cylinder (3.2); the secondary positioning mechanism (4) comprises a secondary positioning table (4.1) and a double-sheet detector (4.2); the secondary positioning table (4.1) is fixedly arranged between the two groups of opening and closing mechanisms (7) along the feeding direction of the feeding line, a plurality of groups of cylinder correcting parts are arranged on the secondary positioning table (4.1), and workpieces conveyed by the material taking mechanism (3) are corrected and positioned through the plurality of groups of cylinder correcting parts; the two-sheet detectors (4.2) are arranged in a plurality, and the two-sheet detectors (4.2) are respectively arranged in an extending manner along the direction of the secondary positioning table (4.1);
the system also comprises an electric motion control system (10), wherein the electric motion control system (10) comprises a servo driver, a PLC and a man-machine interface; the PLC controls the lifting mechanism (6), the opening and closing mechanism (7) and the double-shaft feeding mechanism (8) through the cooperation of the man-machine interface and the servo driver respectively so as to realize the lifting, opening and closing and left-right high-precision synchronous feeding of the two feeding shafts (8.2); the two feeding shafts (8.2) are mutually independent and are directly driven by two feeding servo motors (8.1) arranged on the double-shaft feeding mechanism (8) and a servo driver on the electric motion control system (10) respectively; the PLC is electrically connected with a controller arranged on the press (5) through a man-machine interface so as to realize automatic stamping operation of the press (5);
the electric motion control system can control the lifting mechanism, the opening and closing mechanism and the double-shaft feeding mechanism to work so as to realize that the clamping components on the two feeding shafts can integrally lift, open and close and feed left and right, and the workpiece is sent to a processing production procedure from the secondary positioning mechanism during motion.
CN202110528893.7A 2021-05-14 2021-05-14 Suspension type multi-station servo synchronous feeding production line Active CN113198934B (en)

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CN114210857B (en) * 2021-12-16 2023-07-14 无锡维凯科技有限公司 Automatic feeding conveying line for stamping and operation method thereof
CN116274701B (en) * 2023-04-25 2023-08-29 新华手术器械有限公司 Feeding device for hemostatic forceps production
CN116765213B (en) * 2023-07-12 2024-01-30 东莞勤德五金制品有限公司 Automatic battery cover plate assembly forming equipment and processing technology

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