CN115258703A

CN115258703A - Ring forging piece stacking device in ring forging piece automatic production line

Info

Publication number: CN115258703A
Application number: CN202211170106.7A
Authority: CN
Inventors: 吴君三; 宋立滨; 吴剑; 赖庆文; 马苏; 祁辉; 陆亚锋
Original assignee: Zhangjiagang Zhonghuan Sea And Land High End Equipment Co ltd; Tianjin Institute of Advanced Equipment of Tsinghua University
Current assignee: Zhangjiagang Zhonghuan Sea And Land High End Equipment Co ltd; Tianjin Institute of Advanced Equipment of Tsinghua University
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2022-11-01
Anticipated expiration: 2042-09-26
Also published as: CN115258703B

Abstract

The invention discloses a ring forging stacking device in an automatic ring forging production line, which comprises: the stacking platform comprises a stacking platform body, a crown block and cushion blocks, wherein the crown block is a program control crown block, cushion block support frames are fixed on the front side, the rear side, the left side and the right side of the stacking platform body respectively, cushion block placing manipulators are arranged on the front left side and the rear right side of the stacking platform body respectively, cushion block positioning platforms are placed on the cushion block support frames, a supporting and positioning mechanism is arranged between the cushion block positioning platforms and the cushion block support frames, a plurality of positioning protrusions and lifting lugs are arranged on each cushion block positioning platform, a plurality of cushion blocks are placed on each cushion block positioning platform, and the cushion blocks are cylindrical. In addition, the two cushion block placing manipulators are adopted to place the cushion blocks, so that the cushion blocks can be placed on the ring forging blocks quickly and accurately, and the stacking efficiency of the ring forging blocks can be greatly improved.

Description

Ring forging piece stacking device in ring forging piece automatic production line

Technical Field

The invention relates to the field of ring forging production equipment, in particular to a ring forging stacking device in an automatic ring forging production line.

Background

In order to improve the production efficiency of the ring forging, an automatic ring forging production line capable of automatically producing the ring forging is urgently needed to be designed. The ring forgings are forged and then need to be subjected to heat treatment in a heating furnace, in order to improve efficiency and save energy, a plurality of ring forgings are generally stacked and then put into the heating furnace together for heat treatment, when the ring forgings are stacked, workers operate a crown block to lift and stack the ring forgings, cushion blocks are also placed among the ring forgings for separation, and the cushion blocks are usually placed manually by the workers; the efficiency of stacking the ring forgings can be greatly reduced by manually operating the crown block to hoist the ring forgings and manually placing the cushion blocks; at present, in order to improve the production efficiency, a ring forging stacking device capable of efficiently stacking ring forgings is urgently needed in a newly designed automatic ring forging production line.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the ring forging stacking device in the automatic ring forging production line can efficiently stack ring forgings.

In order to solve the problems, the technical scheme adopted by the invention is as follows: ring forging pile up neatly device in ring forging automation line includes: hacking platform, overhead traveling crane, cushion, its characterized in that: the overhead traveling crane is a program-controlled overhead traveling crane controlled by a program, a cushion block supporting frame is respectively fixed in front of, behind, on the left side and on the right side of the stacking table, a cushion block placing mechanical arm is respectively arranged in the left front and on the right rear of the stacking table, a cushion block positioning table is placed on each cushion block supporting frame, a supporting and positioning mechanism is arranged between each cushion block positioning table and the cushion block supporting frame, the supporting and positioning mechanism can support and position the cushion block positioning table when the cushion block positioning table is placed on the cushion block supporting frame, a plurality of positioning bulges used for positioning the cushion block are arranged on each cushion block positioning table, lifting lugs used for lifting the cushion block positioning table, a plurality of cushion blocks are placed on each cushion block positioning table, the cushion blocks are cylindrical, the cushion blocks are placed on the cushion block positioning tables vertically and are inserted into lower ports of the cushion block positioning tables through the positioning bulges to be positioned on the cushion block positioning tables, the two cushion block positioning tables on the front side and the left side are used for being matched with the cushion block placing mechanical arm on the left front side, the two cushion block positioning tables matched with the cushion block placing mechanical arm, and the side surface of the cushion block picking ring which is close to the cushion block picking piece.

Further, ring forging pile up neatly device in aforementioned ring forging automation line, wherein: the structure for supporting the positioning mechanism comprises: the four upper support columns are respectively fixed below the left front part, the right front part, the left rear part and the right rear part of the cushion block positioning table, the four lower support columns are respectively fixed above the left front part, the right front part, the left rear part and the right rear part of the cushion block support frame, pin columns are respectively arranged on top end faces of two lower support columns located on opposite angles in the four lower support columns, each pin column is formed by coaxially connecting a positioning column and a guide cone, and the large end of the guide cone is fixedly butted with the top of the positioning column; the bottom end faces of two upper supporting columns positioned on opposite angles in the four upper supporting columns are respectively provided with a positioning round hole which can be matched with the positioning column on the pin column for positioning; the structure of the deviation rectifying mechanism comprises: four vertical plates of rectifying, four voussoirs of rectifying are adjustable install in the front portion of cushion support frame of interior external position respectively, the rear portion, the left side, on the right side, four risers of rectifying are respectively being fixed in the front portion of cushion locating platform downwards, the rear portion, on the left side, on the right side, when cushion locating platform is placed on the cushion support frame, four risers of rectifying can paste the inclined plane downwardly movement of four voussoirs of rectifying respectively, make four voussoirs of rectifying lead to four risers of rectifying through the inclined plane on it respectively, thereby make four voussoirs of rectifying can be in the past, the back, left and right four directions rectify the cushion locating platform and rectify, four upper strut can be respectively laid aside on four lower strut posts, two round pin posts can insert respectively to two location round holes under the direction of direction awl separately, make the reference column can fix a position the location platform with the locating round hole cooperation cushion.

Further, ring forging pile up neatly device in aforementioned ring forging automation line, wherein: the structure of manipulator is put to cushion includes: a base, a rotatable vertical frame and a vertical frame driving mechanism which can drive the vertical frame to rotate are arranged on the base, a sliding table which can slide up and down and a sliding table driving mechanism which can drive the sliding table to slide up and down are arranged on the vertical frame, a cross beam is arranged in front of the sliding table, the rear end of the cross beam is fixed with the sliding table, a sliding arm which can slide back and forth and a sliding arm driving mechanism which can drive the sliding arm to slide back and forth are arranged on the cross beam, the sliding arm can extend out of the cross beam forward after moving forward, an installation block is fixed at the front end of the sliding arm, a sliding block and two guide rods which are fixed with the installation block are respectively arranged at the left side and the right side of the installation block, the two guide rods at each side penetrate through the sliding block at the side, the two sliding blocks can be arranged on the side surface of the installation block in a left-right sliding manner under the guide of the two guide rods at the side, a main gear and two main racks which move left and right are arranged on the installation block, the two main racks are arranged front and back and can slide left and right on the mounting block, the main gear is positioned between the two main racks and is respectively meshed with the two main racks for transmission, the two main racks and the two sliding blocks are respectively fixed one by one, a pinion gear, a pinion rack and two supporting claws which are opposite left and right are arranged below the mounting block, the upper ends of the two supporting claws are respectively fixed with the two sliding blocks one by one, the pinion gear and the pinion rack are meshed for transmission, the main gear and the pinion gear are coaxially arranged and are fixed on the same shaft, a push-pull rod capable of sliding front and back and an electric cylinder for driving the push-pull rod to move back and forth are further arranged on the sliding arm, the front end of the push-pull rod is fixed with the pinion rack, so that the push-pull rod can drive the pinion gear and the main gear to rotate together through the pinion rack after the push-pull rod moves back and forth under the driving of the electric cylinder, the main gear can drive the two main gear strips to drive the two sliding blocks and the two supporting claws to move towards each other or back to each other after rotating, and the two supporting claws are inserted into the upper ports of the cushion blocks at the lower ends of the two supporting claws and move back to be respectively abutted against the inner walls of the cushion blocks to grab the cushion blocks.

Further, ring forging pile up neatly device in aforementioned ring forging automation line, wherein: the structure of the slide arm driving mechanism comprises: the device comprises a long rack, a sliding arm driving gear, a short transmission shaft, a 90-degree steering reducer, a long transmission shaft and a sliding arm driving motor, wherein the short transmission shaft is vertically and rotatably arranged on the front end of a cross beam, the long rack and the sliding arm driving gear are mutually meshed, the sliding arm driving gear is fixed on the lower end of the short transmission shaft, the long rack is fixed on the sliding arm and is arranged along the sliding arm, the 90-degree steering reducer is fixed on the front end of the cross beam, the sliding arm driving motor is fixed on the rear end of the cross beam, the long transmission shaft is positioned between the 90-degree steering reducer and the sliding arm driving motor and is rotatably arranged on the cross beam through a bearing, an output shaft of the sliding arm driving motor is fixed with the rear end of the long transmission shaft, the front end of the long transmission shaft is fixed with a horizontal input shaft of the 90-degree steering reducer, a vertical output shaft of the 90-degree steering reducer is fixed with the upper end of the short transmission shaft, the sliding arm driving gear can rotate under the driving of the driving motor, and the sliding arm can drive the long rack to move the sliding arm to move back and forth after the sliding arm rotates.

Further, ring forging pile up neatly device in aforementioned ring forging automation line, wherein: be provided with an interior tooth type slewing bearing between grudging post and the base, interior tooth type slewing bearing's outer lane is fixed mutually with the base, ring gear and grudging post are fixed mutually for the grudging post can be rotatory on the base through interior tooth type slewing bearing, grudging post actuating mechanism's structure is: the output shaft of the vertical frame driving motor is fixedly provided with a vertical frame driving gear, and the vertical frame driving gear is meshed with the inner gear ring of the inner gear type slewing bearing for transmission.

Further, ring forging pile up neatly device in aforementioned ring forging automation line, wherein: the structure of the sliding table driving mechanism comprises: the lead screw passes through the vertical and rotatable installation in the grudging post of bearing, is provided with the lead screw driving motor who is used for driving the lead screw rotatory at the top of grudging post, and threaded connection has a drive nut on the lead screw, and drive nut is fixed mutually with the slip table.

Further, ring forging pile up neatly device in aforementioned ring forging automation line, wherein: a camera for visual detection and photographing is also fixed at the front end of the sliding arm.

Further, ring forging pile up neatly device in aforementioned ring forging automation line, wherein: four lifting lugs are arranged on each cushion block positioning table and are respectively arranged on the left front part, the right front part, the left rear part and the right rear part of each cushion block positioning table.

The invention has the advantages that: the ring forging stacking device has the advantages that the ring forging can be quickly and accurately stacked due to the fact that the program-controlled crown block is adopted to hoist the ring forging, and in addition, the two cushion block placing manipulators are adopted to place the cushion blocks, so that the cushion blocks can be quickly and accurately placed on the ring forging, and the stacking efficiency of the ring forging can be greatly improved.

Drawings

Fig. 1 is a schematic structural diagram of a ring forging stacking device in an automatic ring forging production line according to the present invention.

Fig. 2 is a schematic view of an assembly structure of the pad support bracket and the pad positioning table shown in fig. 1.

FIG. 3 is a schematic view of the structure of the spacer support bracket shown in FIG. 1.

Fig. 4 is a schematic structural view of the spacer block positioning table shown in fig. 1.

Fig. 5 is a perspective view of the spacer placing robot shown in fig. 1.

Fig. 6 is a schematic perspective view of another perspective view of the pad placement robot shown in fig. 1.

Fig. 7 is an enlarged schematic view of a portion a in fig. 6.

Fig. 8 is a structural schematic diagram of a driving structure of two supporting claws.

Fig. 9 is a schematic structural view of the slide arm driving mechanism.

Fig. 10 is a schematic structural view of the pin.

Detailed Description

The present invention will be described in further detail below with reference to specific embodiments and the attached drawings.

As shown in fig. 1 and 2, the ring forging stacking apparatus in an automatic ring forging production line includes: the stacking platform 1, the crown block and the cushion block 11, the crown block is a program control crown block controlled by a program, a cushion block support frame 2 is respectively fixed at the front, the rear, the left side and the right side of the stacking platform 1, a cushion block placing mechanical hand 3 is respectively arranged at the left front and the right side of the stacking platform 1, a cushion block positioning platform 4 is arranged on each cushion block support frame 2, a supporting and positioning mechanism is arranged between the cushion block positioning platform 4 and the cushion block support frame 2, the supporting and positioning mechanism can support and position the cushion block positioning platform 4 when the cushion block positioning platform 4 is arranged on the cushion block support frame 2, a plurality of positioning bulges 41 for positioning the cushion block and a plurality of positioning bulges 42 for hoisting the cushion block positioning platform 4 are arranged on each cushion block positioning platform 4, the cushion blocks 11 are placed on each cushion block positioning table 4, the cushion blocks 11 are cylindrical, the cushion blocks 11 are vertically placed on the cushion block positioning tables 4 and are respectively inserted into lower ports of the cushion block positioning tables through a positioning protrusion 41 to be positioned on the cushion block positioning tables 4, the two cushion block positioning tables 4 on the front side and the left side are used for being matched with the cushion block placing mechanical arm 3 on the front left side, the two cushion block positioning tables 4 on the rear side and the right side are used for being matched with the cushion block placing mechanical arm 3 on the rear right side, the two cushion block placing mechanical arms 3 can grab the cushion blocks 11 on the two cushion block positioning tables 4 matched with the two cushion block placing mechanical arms 3, and then the two cushion block placing mechanical arms 3 can place the grabbed cushion blocks 11 on the surface of one side of the ring forging piece 9 close to the cushion block placing mechanical arms.

Every cushion puts mechanical hand 3 and all is equipped with two cushion location platform 4, when the cushion is put mechanical hand 3 and is snatching the cushion 11 on one of them cushion location platform 4, another empty cushion location platform 4 can be hung from cushion support frame 2 and go to cushion material loading station, have the cushion that the manipulator pulled down after will heat treating on cushion material loading station and put on empty cushion location platform 4 again, fill with cushion 11 back cushion location platform 4 can be hung on corresponding cushion support frame 2 again.

As shown in fig. 2, 3, 4, and 10, the structure of the supporting and positioning mechanism includes: the four upper support columns 5 are respectively fixed below the left front part, the right front part, the left rear part and the right rear part of the cushion block positioning table 4, the four lower support columns 51 are respectively fixed above the left front part, the right front part, the left rear part and the right rear part of the cushion block support frame 2, two diagonal lower support columns 51 in the four lower support columns 51 are respectively provided with a pin column 52 on the top end surface, each pin column 52 is formed by coaxially connecting a positioning column 521 and a guide cone 522, and the large end of the guide cone 522 is fixedly butted with the top of the positioning column 521; the bottom end surfaces of two upper support columns 5 positioned on opposite angles in the four upper support columns 5 are respectively provided with a positioning round hole 53 which can be matched and positioned with the positioning column 521 on the pin column 52; the structure of the deviation rectifying mechanism comprises: four vertical plates 6 of rectifying, four voussoirs 61 of rectifying are adjustable respectively inside and outside position install in the front portion of cushion support frame 2, the rear portion, the left side, on the right side, four rectifying are respectively fixed in the front portion of cushion locating platform 4 downwards, the rear portion, the left side, on the right side, when cushion locating platform 4 is placed on cushion support frame 2, four rectifying are 6 can paste the inclined plane downstream that leans on four rectifying voussoirs 61 respectively, make four rectifying wedge 61 can lead four rectifying through the inclined plane on it respectively, thereby make four rectifying voussoirs 61 can be in the past, the back, left side, rectify in four directions on the right cushion locating platform 4 and rectify, four last support columns 5 can rest on four lower support columns 51 respectively, two round pins 52 can insert respectively to two location round holes 53 under the direction of direction awl 522 separately, make location column 521 can cooperate with location round hole 53 and fix a position locating platform 4.

As shown in fig. 5, 6, 7, and 8, the spacer placing robot 3 includes: the base 31, install a rotatable grudging post 32 and driving mechanism of the grudging post that can drive the grudging post 32 to rotate on the base 31, install a slip table 33 that can be slipped up and down and driving mechanism of the slip table 33 that can be slipped up and down on the grudging post 32, the slip table 33 is installed on the grudging post 32 through the linear guide, there is a crossbeam 34 in the front of the slip table 33, the rear end of the crossbeam 34 is fixed with the slip table 33, install a sliding arm 35 that can be slipped forward and backward and can drive the sliding arm 35 to slip forward and backward on the crossbeam 34, there are linear guides between crossbeam 34 and sliding arm 35, the orbit of the linear guide is fixed on sliding arm 35, the slide block of the linear guide is fixed on crossbeam 34, the sliding arm 35 can stretch out the crossbeam 34 forward after moving forward, fixed with a mounting block 36 on the front end of the sliding arm 35, there are a slide block 37 and two guide arms 39 fixed with mounting block 36 on the left and right side of the mounting block 36 separately, two guide arms 39 of each side can pass the slide block 37 on the right side, and two guide arms 39 of the left and two guide arms are installed on the left and right guide arm 39 and two guide arms, and two guide arms are correspondent guide arms, and two guide arms 39 on the left guide bar 39 respectively; the mounting block 36 is provided with a main gear 7 and two main racks 71 which run left and right, the main gear 7 is rotatably arranged on the mounting block 36 through a bearing, the two main racks 71 are arranged in front and back, and can slide left and right on the mounting block 36, the main gear 7 is located between the two main racks 71, and are respectively meshed with the two main racks 71 for transmission, the two main racks 71 and the two sliding blocks 37 are respectively fixed one by one, a pinion 72, a pinion rack 73 and two supporting claws 38 which are opposite to each other left and right are arranged below the mounting block 36, the upper ends of the two supporting claws 38 and the two sliding blocks 37 are respectively fixed one by one, the pinion 72 and the pinion rack 73 are in meshed transmission, the main gear 7 and the pinion 72 are coaxially arranged and fixed on the same shaft, a push-pull rod 74 capable of sliding back and forth and an electric cylinder 75 for driving the push-pull rod 74 to move back and forth are further mounted on the slide arm 35, the push-pull rod 74 is mounted on the slide arm 35 through a sliding sleeve, the front end of the push-pull rod 74 is fixed with the auxiliary rack 73, after the push-pull rod 74 moves back and forth under the driving of the electric cylinder 75, the auxiliary gear 72 and the main gear 7 can be driven to rotate together through the auxiliary rack 73, the main gear 7 can drive the two main racks 71 to drive the two sliding blocks 37 and the two supporting claws 38 to move towards or away from each other after rotating, the two supporting claws 38 can move above one cushion block 11 on the cushion block positioning table 4 through the rotation of the vertical frame 32 and the extension and contraction of the sliding arm 35, then, after the two supporting claws 38 are moved downward by the driving of the slide table 33, the lower ends of the two supporting claws 38 can be inserted into the upper ports of the cushion blocks 11, the two supporting claws 38 are inserted into the upper end of the cushion block 11 at the lower ends thereof, and move back to abut against the inner wall of the cushion block 11 to grip the cushion block 11. Adopt two to prop claw 38 and strut to snatch the cushion 11 and compare and snatch more reliably to pressing from both sides the cushion 11 outside from the cushion 11, snatch easily and drop to pressing from both sides the cushion 11 outside from the cushion 11.

As shown in fig. 9, the configuration of the slide arm drive mechanism includes: a long rack 8, a slide arm driving gear 81, a short transmission shaft 82, a 90-degree steering reducer 83, a long transmission shaft 84 and a slide arm driving motor 85, wherein the short transmission shaft 82 is vertically and rotatably arranged on the front end of the cross beam 34, the short transmission shaft 82 is arranged on the cross beam 34 through a bearing, the long rack 8 and the slide arm driving gear 81 are meshed with each other, the slide arm driving gear 81 is fixed on the lower end of the short transmission shaft 82, the long rack 8 is fixed on the slide arm 35 and is arranged along the slide arm 35, the 90-degree steering reducer 83 is fixed on the front part of the cross beam 34, the 90-degree steering reducer 83 is a commercially available reducer, in the actual production, two bevel gears meshed with 90 degrees can be adopted to replace the 90-degree steering reducer 83, and the slide arm driving motor 85 is fixed on the rear part of the cross beam 34, this is because the slide arm drive motor 85 is heavy and cannot be fixed to the front portion of the cross beam 34 together with the 90-degree steering reducer 83, the long transmission shaft 84 is located between the 90-degree steering reducer 83 and the slide arm drive motor 85 and rotatably mounted on the cross beam 34 through a bearing, the output shaft of the slide arm drive motor 85 is fixed to the rear end of the long transmission shaft 84, the front end of the long transmission shaft 84 is fixed to the horizontal input shaft of the 90-degree steering reducer 83, the vertical output shaft of the 90-degree steering reducer 83 is fixed to the upper end of the short transmission shaft 82, the slide arm drive gear 81 can rotate by the drive of the slide arm drive motor 85, and the slide arm drive gear 81 can drive the long rack 8 to move the slide arm 35 back and forth after rotating.

As shown in fig. 5 and 6, an inner-tooth-shaped rotary support 91 is arranged between the stand 32 and the base 31, an outer ring of the inner-tooth-shaped rotary support 91 is fixed to the base 31, and an inner ring gear is fixed to the stand 32, so that the stand 32 can rotate on the base 31 through the inner-tooth-shaped rotary support 91, and the stand driving mechanism is structured as follows: a vertical frame driving motor 92 fixed on the base, a vertical frame driving gear fixed on the output shaft of the vertical frame driving motor 92, and the vertical frame driving gear is meshed with the inner gear ring of the inner gear type slewing bearing 91 for transmission.

As shown in fig. 5 and 6, the structure of the slide table driving mechanism includes: the lead screw 93 is vertically and rotatably mounted in the vertical frame 32 through a bearing, a lead screw driving motor 94 for driving the lead screw 93 to rotate is arranged at the top of the vertical frame 32, a driving nut is connected to the lead screw 93 through threads, and the driving nut is fixed with the sliding table 33.

Still be fixed with a camera 95 that is used for visual inspection to shoot on the front end of cursor 35, when two supporting claws 38 that the cushion puts and puts the manipulator 3 drive on it move to the cushion 11 top of waiting to snatch, the controller can be through camera 95 shoot the cushion 11 of waiting to snatch, then the controller can utilize the picture of shooing the gained to carry out visual inspection to judge whether two supporting claws 38 move in place, if do not move in place, the controller can control the action of cushion and put manipulator 3 and finely tune the position of two supporting claws 38, make two supporting claws 38 accurately insert in the last port of cushion 11 after moving down.

Four lifting lugs 42 are arranged on each cushion block positioning table 4, the four lifting lugs 42 are respectively arranged on the left front part, the right front part, the left rear part and the right rear part of the cushion block positioning table 4, and the four lifting lugs 42 are arranged in order to hoist the cushion block positioning table 4 more stably.

During stacking, a program control crown block is used for hoisting a first ring forging to a stacking platform 1, then two cushion block placing manipulators 3 can grab cushion blocks 11 on cushion block positioning platforms 4 corresponding to the cushion block placing manipulators, then the two cushion block placing manipulators 3 can place the grabbed cushion blocks 11 on the surface of one side of a first ring forging close to the first ring forging respectively, the surface of two sides of the first ring forging is uniformly provided with three cushion blocks 11 by the corresponding cushion block placing manipulators 3 respectively, then a crown block program control is used for hoisting and stacking a second ring forging to the first ring forging, the first ring forging is separated by six cushion blocks 11 which are placed in advance, then the two cushion block placing manipulators 3 can grab the cushion blocks 11 on the cushion block positioning platforms 4 corresponding to the first ring forging respectively, then the two cushion block placing manipulators 3 can place the grabbed cushion blocks 11 on the surface of one side of a second ring forging close to the second ring forging respectively, the surfaces of two sides of the second ring forging are respectively placed on the surfaces of the corresponding cushion blocks 3, and the third ring forging is hoisted by the third ring forging which is placed on the stacking platform, and stacking operation is performed in advance by the program control crown block placing manipulators.

Claims

1. Ring forging pile up neatly device in ring forging automation line includes: hacking platform, overhead crane, cushion, its characterized in that: the overhead traveling crane is a program-controlled overhead traveling crane controlled by a program, a cushion block supporting frame is respectively fixed in front of, behind, on the left side and on the right side of the stacking table, a cushion block placing mechanical arm is respectively arranged in the left front and on the right rear of the stacking table, a cushion block positioning table is placed on each cushion block supporting frame, a supporting and positioning mechanism is arranged between each cushion block positioning table and the cushion block supporting frame, the supporting and positioning mechanism can support and position the cushion block positioning table when the cushion block positioning table is placed on the cushion block supporting frame, a plurality of positioning bulges used for positioning the cushion block are arranged on each cushion block positioning table, lifting lugs used for lifting the cushion block positioning table, a plurality of cushion blocks are placed on each cushion block positioning table, the cushion blocks are cylindrical, the cushion blocks are placed on the cushion block positioning tables vertically and are inserted into lower ports of the cushion block positioning tables through the positioning bulges to be positioned on the cushion block positioning tables, the two cushion block positioning tables on the front side and the left side are used for being matched with the cushion block placing mechanical arm on the left front side, the two cushion block positioning tables matched with the cushion block placing mechanical arm, and the side surface of the cushion block picking ring which is close to the cushion block picking piece.

2. The ring forging stacking device in the automatic ring forging production line according to claim 1, wherein: the structure for supporting the positioning mechanism comprises: the four upper support columns are respectively fixed below the left front part, the right front part, the left rear part and the right rear part of the cushion block positioning table, the four lower support columns are respectively fixed above the left front part, the right front part, the left rear part and the right rear part of the cushion block support frame, pin columns are respectively arranged on top end faces of two lower support columns located on opposite angles in the four lower support columns, each pin column is formed by coaxially connecting a positioning column and a guide cone, and the large end of the guide cone is fixedly butted with the top of the positioning column; the bottom end surfaces of two upper support columns positioned on opposite angles in the four upper support columns are respectively provided with a positioning round hole which can be matched and positioned with a positioning column on the pin column; the structure of the deviation rectifying mechanism comprises: four vertical plates of rectifying, four voussoirs of rectifying are adjustable install in the front portion of cushion support frame of interior external position respectively, the rear portion, the left side, on the right side, four risers of rectifying are respectively being fixed in the front portion of cushion locating platform downwards, the rear portion, on the left side, on the right side, when cushion locating platform is placed on the cushion support frame, four risers of rectifying can paste the inclined plane downwardly movement of four voussoirs of rectifying respectively, make four voussoirs of rectifying lead to four risers of rectifying through the inclined plane on it respectively, thereby make four voussoirs of rectifying can be in the past, the back, left and right four directions rectify the cushion locating platform and rectify, four upper strut can be respectively laid aside on four lower strut posts, two round pin posts can insert respectively to two location round holes under the direction of direction awl separately, make the reference column can fix a position the location platform with the locating round hole cooperation cushion.

3. The ring forge stacking apparatus in an automatic ring forge production line according to claim 1 or 2, wherein: the structure of manipulator is put to cushion includes: a base, a rotatable vertical frame and a vertical frame driving mechanism which can drive the vertical frame to rotate are arranged on the base, a sliding table which can slide up and down and a sliding table driving mechanism which can drive the sliding table to slide up and down are arranged on the vertical frame, a cross beam is arranged in front of the sliding table, the rear end of the cross beam is fixed with the sliding table, a sliding arm which can slide back and forth and a sliding arm driving mechanism which can drive the sliding arm to slide back and forth are arranged on the cross beam, the sliding arm can extend out of the cross beam forward after moving forward, an installation block is fixed at the front end of the sliding arm, a sliding block and two guide rods which are fixed with the installation block are respectively arranged at the left side and the right side of the installation block, the two guide rods at each side penetrate through the sliding block at the side, the two sliding blocks can be arranged on the side surface of the installation block in a left-right sliding manner under the guide of the two guide rods at the side, a main gear and two main racks which move left and right are arranged on the installation block, the two main racks are arranged front and back and can slide left and right on the mounting block, the main gear is positioned between the two main racks and is respectively meshed with the two main racks for transmission, the two main racks and the two sliding blocks are respectively fixed one by one, a pinion gear, a pinion rack and two supporting claws which are opposite left and right are arranged below the mounting block, the upper ends of the two supporting claws are respectively fixed with the two sliding blocks one by one, the pinion gear and the pinion rack are meshed for transmission, the main gear and the pinion gear are coaxially arranged and are fixed on the same shaft, a push-pull rod capable of sliding front and back and an electric cylinder for driving the push-pull rod to move back and forth are further arranged on the sliding arm, the front end of the push-pull rod is fixed with the pinion rack, so that the push-pull rod can drive the pinion gear and the main gear to rotate together through the pinion rack after the push-pull rod moves back and forth under the driving of the electric cylinder, the main gear can drive the two main gear strips to drive the two sliding blocks and the two supporting claws to move towards each other or back to each other after rotating, and the two supporting claws are inserted into the upper ports of the cushion blocks at the lower ends of the two supporting claws and move back to be respectively abutted against the inner walls of the cushion blocks to grab the cushion blocks.

4. The ring forging stacking device in the automatic ring forging production line according to claim 3, wherein: the structure of the slide arm driving mechanism comprises: the device comprises a long rack, a sliding arm driving gear, a short transmission shaft, a 90-degree steering reducer, a long transmission shaft and a sliding arm driving motor, wherein the short transmission shaft is vertically and rotatably arranged on the front end of a cross beam, the long rack and the sliding arm driving gear are mutually meshed, the sliding arm driving gear is fixed on the lower end of the short transmission shaft, the long rack is fixed on the sliding arm and is arranged along the sliding arm, the 90-degree steering reducer is fixed on the front end of the cross beam, the sliding arm driving motor is fixed on the rear end of the cross beam, the long transmission shaft is positioned between the 90-degree steering reducer and the sliding arm driving motor and is rotatably arranged on the cross beam through a bearing, an output shaft of the sliding arm driving motor is fixed with the rear end of the long transmission shaft, the front end of the long transmission shaft is fixed with a horizontal input shaft of the 90-degree steering reducer, a vertical output shaft of the 90-degree steering reducer is fixed with the upper end of the short transmission shaft, the sliding arm driving gear can rotate under the driving of the driving motor, and the sliding arm can drive the long rack to move the sliding arm to move back and forth after the sliding arm rotates.

5. The ring forging stacking device in the automatic ring forging production line according to claim 3, wherein: be provided with an interior tooth type slewing bearing between grudging post and the base, interior tooth type slewing bearing's outer lane is fixed mutually with the base, ring gear and grudging post are fixed mutually for the grudging post can be rotatory on the base through interior tooth type slewing bearing, grudging post actuating mechanism's structure is: the output shaft of the vertical frame driving motor is fixedly provided with a vertical frame driving gear, and the vertical frame driving gear is meshed with the inner gear ring of the inner gear type slewing bearing for transmission.

6. The ring forging stacking device in the automatic ring forging production line according to claim 3, wherein: the structure of the sliding table driving mechanism comprises: the lead screw passes through the vertical and rotatable installation in the grudging post of bearing, is provided with the lead screw driving motor who is used for driving the lead screw rotatory at the top of grudging post, and threaded connection has a drive nut on the lead screw, and drive nut is fixed mutually with the slip table.

7. The ring forge stacking apparatus in an automatic ring forge production line according to claim 1 or 2, wherein: a camera for visual detection photographing is also fixed at the front end of the sliding arm.

8. The ring forging stacking device in an automatic ring forging production line according to claim 1 or 2, wherein: four lifting lugs are arranged on each cushion block positioning table and are respectively arranged on the left front part, the right front part, the left rear part and the right rear part of each cushion block positioning table.