CN219075103U - Blank-making heating unit in ring forging automatic production line - Google Patents

Abstract

The utility model discloses a blank heating unit in an automatic production line of ring forgings, which comprises: the device comprises a bar stepping feeding device, a sawing machine input roller way, a numerical control sawing machine, a sawing machine output roller way, a blank turning and conveying device, a blank transferring mechanism, a blank transferring and overturning device, a rotary heating furnace and a feeding manipulator, wherein the bar stepping feeding device can feed bars to the sawing machine input roller way, the sawing machine input roller way can convey the bars to the numerical control sawing machine, the sawing machine output roller way can convey the blanks to the blank turning and conveying device, the blank turning and conveying device can convey the blanks to the blank transferring and overturning device, the blank transferring and overturning device can convey the blanks to the heating furnace, the feeding manipulator can convey the blanks to the heating furnace. The blank making heating unit can realize automation of bar feeding, bar cutting, blank transferring and blank heating, so that the production efficiency of the ring forging can be greatly improved.

Description

Blank-making heating unit in ring forging automatic production line

Technical Field

The utility model relates to the field of ring forging production equipment, in particular to a blank-making heating unit 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 needed to be designed. The required blank in the production of ring forging is obtained by cutting the bar, in the production process of conventional ring forging, the bar is cut by adopting a saw blade to obtain the blank, then the blank is transported to the front of a heating furnace by adopting a forklift, then the blank is required to be overturned and erected manually, then the blank is captured by a feeding manipulator to be placed into the heating furnace for heating, and many places in the process need manual operation, so that the production rhythm is greatly dragged slowly, and the production efficiency of the ring forging is greatly reduced.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: the blank-making heating unit in the automatic production line of the ring forging, which can realize the automation of bar feeding, bar cutting, blank transferring and blank heating, is provided.

In order to solve the problems, the utility model adopts the following technical scheme: blank-making heating unit in ring forging automation line, its characterized in that: comprising the following steps: the device comprises a bar stepping feeding device, a sawing machine input roller way, a numerical control sawing machine, a sawing machine output roller way, a blank turning and conveying device, a blank transferring and overturning mechanism, a blank transferring and overturning device, a rotary heating furnace and a feeding manipulator, wherein the bar stepping feeding device can feed bars onto the sawing machine input roller way, the sawing machine input roller way can convey the bars into the numerical control sawing machine to be cut to obtain required blanks, the sawing machine output roller way can convey the blanks obtained by cutting onto the blank turning and conveying device, the blank turning and conveying device can convey the blanks onto the blank transferring and overturning mechanism after rotating the blanks, the blank transferring and overturning device can convey the blanks onto a heating feeding level between the rotary heating furnace and the feeding manipulator, the blanks can be overturned, the feeding manipulator can grasp the blanks erected on the heating feeding level, and the feeding manipulator can convey the grasped blanks into the rotary heating furnace to be heated.

Further, the blank heating unit in the automatic ring forging production line, wherein: the structure of bar stepping feeding device includes: the machine frame is provided with a plurality of bar temporary storage seats which are distributed at intervals along the front-back direction, bar can be placed on each bar temporary storage seat in the left-right direction, the machine frame is also provided with a bar transfer frame, a lifting driving mechanism and a sliding driving mechanism, the bar transfer frame can be installed on the lifting driving mechanism in a front-back sliding way, the lifting driving mechanism can drive the bar transfer frame to move up and down, the sliding driving mechanism can drive the bar transfer frame to slide back and forth on the lifting driving mechanism, the bar transfer frame is provided with transfer positioning seats which are in one-to-one correspondence with each bar temporary storage seat, each transfer positioning seat is distributed at intervals along the front-back direction, the front-back distance between each adjacent bar temporary storage seat and the front-back distance between each adjacent transfer positioning seat are all S, the bar transfer frame can be lower than each bar temporary storage seat after being driven by the lifting driving mechanism to move down, the bar stock can be placed on the bar stock temporary storage seats, then the bar stock transfer frame can move to the positions which enable each transfer positioning seat to be aligned with each bar stock temporary storage seat one by one after the bar stock transfer frame slides backwards under the drive of the sliding driving mechanism, then the bar stock transfer frame can lift up and position the bar stock placed on each bar stock temporary storage seat on each transfer positioning seat respectively after the bar stock transfer frame moves upwards under the drive of the lifting driving mechanism, then the bar stock transfer frame can transfer each bar stock forwards by the distance of S after the bar stock transfer frame slides forwards under the drive of the sliding driving mechanism, then the bar stock transfer frame can pass through the sawing machine input roller way to place the forefront bar stock on the sawing machine input roller way after the bar stock transfer frame moves downwards under the drive of the lifting driving mechanism, and other bars can be placed on the bar temporary storage seats below the bars respectively, and the bar temporary storage seat at the last time can be emptied so as to place new bars.

Further, the blank heating unit in the automatic ring forging production line, wherein: the structure of the lifting driving mechanism comprises: two side by side interval arrangement's elevating unit about, every elevating unit's structure includes: the crank, transfer line, the lift jar of several along fore-and-aft direction interval arrangement, arrange in each crank and be big crank in last crank, the other crank is little crank, the structure of every crank includes: the rear end of the upper arm is connected with the upper end of the lower arm, and a lifting roller is arranged at the front end of the upper arm; the lower ends of the lower arms of the small cranks and the middle part of the lower arms of the large cranks are hinged with the transmission rods, so that the cranks can be linked through the transmission rods, the lifting cylinder is positioned behind the large cranks, the cylinder body and the piston rod of the lifting cylinder are hinged with the lower ends of the frame and the lower arms of the large cranks one by one respectively, the piston rod of the lifting cylinder stretches and contracts to drive the large cranks to swing back and forth, and the large cranks can swing back and forth together with other small cranks through the transmission rods; a synchronizing shaft is arranged between two large cranks in the two lifting units, the two large cranks are respectively arranged at two ends of the synchronizing shaft, so that the two large cranks can swing synchronously, the bar transfer frame is supported by each lifting roller in the two lifting units and can slide back and forth on the lifting rollers, each lifting roller can swing back and forth along with each crank to move up and down, and therefore the bar transfer frame can be driven to move up and down, and a transfer frame limiting mechanism for limiting the left and right positions of the bar transfer frame is arranged between each lifting roller and the bar transfer frame.

Further, the blank heating unit in the automatic ring forging production line, wherein: the structure of the transfer frame limiting mechanism is as follows: annular grooves which are arranged around the lifting rollers are formed in the wheel faces of the lifting rollers, a front-back-oriented limit rail is respectively arranged on the lower surfaces of the left side and the right side of the bar transfer frame, and the two limit rails are respectively clamped into the annular grooves of the lifting rollers in the lifting units on the side where the two limit rails are located.

Further, the blank heating unit in the automatic ring forging production line, wherein: the sliding driving mechanism is a push-pull oil cylinder, a cylinder body and a piston rod of the push-pull oil cylinder are hinged with the rack and the bar transfer rack one by one respectively, and the piston rod of the push-pull oil cylinder can drive the bar transfer rack to slide back and forth after stretching.

Further, the blank heating unit in the automatic ring forging production line, wherein: the structure of the bar stock transfer rack comprises: the front ends, the middle parts and the rear ends of the two transfer beams are respectively connected and fixed through a cross beam; the lifting roller in the left lifting unit is supported below the left transfer beam, and the lifting roller in the right lifting unit is supported below the right transfer beam; the structure of the transfer positioning seat comprises: the two locating tables are arranged side by side at intervals, V-shaped grooves for locating bars are formed in the tops of the locating tables, and the two locating tables are respectively arranged on the two transfer beams.

Further, the blank heating unit in the automatic ring forging production line, wherein: each bar temporary storage seat structure comprises: the two bearing columns are arranged side by side at intervals, and V-shaped grooves for positioning bars are formed in the tops of the bearing columns; the bar transfer rack is positioned between two bearing columns of each bar temporary storage seat.

Further, the blank heating unit in the automatic ring forging production line, wherein: every bar is kept in and is provided with the sensor that is used for responding to the bar on the seat, is located that last bar is kept in the seat and adopts mechanical transmission mechanism to trigger the sensor, and mechanical transmission mechanism's structure includes: the middle part of the swing rod is hinged with the bar temporary storage seat, a heavy hammer is fixed at the lower end of the swing rod, a photoelectric sensor is arranged below the heavy hammer, an abutting column for the heavy hammer to abut against so that the heavy hammer cannot continue to swing downwards is arranged on the bar temporary storage seat, and when a bar is not placed on the bar temporary storage seat, the heavy hammer swings downwards to a position abutting against the abutting column, and the photoelectric sensor is triggered by the heavy hammer; when the bar is placed on the bar temporary storage seat, the bar can be pressed on the upper end of the swing rod, and the heavy hammer can swing upwards to a position where the photoelectric sensor is not touched.

Further, the blank heating unit in the automatic ring forging production line, wherein: the structure of the blank steering and conveying device comprises: the device comprises a base, wherein a vertical rotating shaft is arranged on the base through a bearing, a rack is arranged above the base, the middle of the rack is fixed with the top of the rotating shaft, the rack can horizontally rotate on the base through the rotating shaft, a singly-driven transition roller way which is in butt joint with a sawing machine output roller way is arranged on the rack, the sawing machine output roller way can convey blanks to the transition roller way, a rotary driving mechanism is arranged between the rack and the base, the rotary driving mechanism can drive the rack to horizontally rotate for X degrees along with the transition roller way, the transition roller way can be in butt joint with a blank transferring mechanism, the transition roller way can convey blanks to the blank transferring mechanism, a blocking frame is arranged opposite to the output end of the transition roller way, a blocking column and a pushing mechanism are arranged on the blocking frame, when the transition roller way does not rotate, the blanks conveyed by the transition roller way can stop moving through collision with the blocking column, the pushing mechanism can push the blanks which are stopped moving through the pushing rod on the transition roller way, the blanks can be retreated on the transition roller way to be far away from the blocking column along with the rotation of the blank transferring roller way, and the blanks can not collide with the blocking column when the blanks rotate along with the transition roller way.

Further, the blank heating unit in the automatic ring forging production line, wherein: the safety baffle is further provided with a safety baffle which does not prevent the transition roller way and the blanks from rotating, the input end of the transition roller way can be just opposite to the safety baffle after the transition roller way horizontally rotates for X degrees towards the required direction, and the safety baffle can prevent the blanks from falling from the input end of the transition roller way by blocking the input end of the transition roller way.

Further, the blank heating unit in the automatic ring forging production line, wherein: the structure of the rotary driving mechanism is as follows: a large gear sleeved on the outer side of the rotating shaft is fixed on the lower surface of the rack, a gap exists between the large gear and the rotating shaft, a small gear driven by a servo motor to rotate is mounted on the base, and the small gear is meshed with the large gear, so that the rack and the transition roller way can horizontally rotate for X degrees towards the required direction under the driving of the servo motor.

Further, the blank heating unit in the automatic ring forging production line, wherein: a plurality of supporting rollers are arranged around the rotating shaft on the lower surface of the rack, and the base can support the rack through the supporting rollers.

Further, the blank heating unit in the automatic ring forging production line, wherein: an annular rail is paved on the base, and each supporting roller rolls on the annular rail.

Further, the blank heating unit in the automatic ring forging production line, wherein: the two sides of the transition roller way are respectively provided with a plurality of protection brackets which are distributed along the transition roller way at intervals, and the protection brackets on the two sides can limit blanks, so that the blanks can be prevented from falling off from the side face of the transition roller way.

Further, the blank heating unit in the automatic ring forging production line, wherein: the pushing mechanism is an oil cylinder or an electric cylinder.

Further, the blank heating unit in the automatic ring forging production line, wherein: the structure of the blank transferring and overturning device comprises: the transfer trolley is provided with a trolley track below the transfer trolley, the transfer trolley is installed on the trolley track, the transfer trolley can translate along the trolley track, the transfer trolley is further provided with a trolley driving mechanism for driving the transfer trolley to translate along the trolley track, the transfer trolley is provided with a turnover shaft, the turnover shaft is rotatably installed on the transfer trolley through two bearings, the turnover shaft is fixedly provided with a turnover table, the transfer trolley is further provided with a turnover speed reducer and a turnover motor, the turnover motor can drive the turnover shaft to rotate through the turnover speed reducer, so that the turnover table can be driven to turn over 90 degrees, a horizontally arranged transfer roller way and a supporting seat which are independently driven are installed on the turnover table, the supporting seat is opposite to the output end of the transfer roller way and used for supporting blanks to abut against, the transfer trolley can move a transfer belt to a position which can be in butt joint with the blank transfer mechanism under the driving of the trolley track, the transfer trolley can convey blanks to a transfer roller way, then the transfer trolley can be driven by the turnover table to the turnover table through the turnover speed reducer, the turnover motor can be driven by the turnover table to the turnover table, and the turnover table can be heated by the turnover table to a position between the turnover table and the turnover table after being driven by the turnover motor to be driven by the turnover table.

Further, the blank heating unit in the automatic ring forging production line, wherein: the structure of the trolley driving mechanism comprises: the two chain wheels are respectively arranged on two oppositely arranged output shafts of the translation speed reducer, the translation motor drives the two chain wheels to rotate through the translation speed reducer, a chain installation seat is arranged below the transfer trolley, two straight chains arranged along the trolley track are fixed on the chain installation seat, and the two chain wheels and the two chains are respectively meshed one to one for transmission, so that the transfer trolley can be driven to translate after the two chain wheels rotate.

Further, the blank heating unit in the automatic ring forging production line, wherein: two chains are respectively arranged on the chain installation seat through a plurality of chain seats, and gaps exist between the two chains and the chain installation seat.

Further, the blank heating unit in the automatic ring forging production line, wherein: one of the two chain wheels is connected with the output shaft of the translation speed reducer by adopting an expansion coupling sleeve for transmission.

Further, the blank heating unit in the automatic ring forging production line, wherein: a brake is arranged on the output shaft of the turnover motor.

Further, the blank heating unit in the automatic ring forging production line, wherein: the anti-impact support is arranged on the side face of the transfer trolley, and when the transfer roller way is positioned at a position which can be butted with other conveying mechanisms, the transfer trolley can resist the impact caused by the transfer roller way when the transfer roller way receives the blanks and conveys the blanks through being butted with the anti-impact support.

Further, the blank heating unit in the automatic ring forging production line, wherein: a blocking seat for blocking the bar material from falling from the input end of the sawing machine input roller way is arranged opposite to the input end of the sawing machine input roller way.

The utility model has the advantages that: the blank-making heating unit in the automatic ring forging production line can enable bar stock feeding, bar stock cutting, blank transferring and blank heating to be automatic, can greatly accelerate production rhythm, and can greatly improve production efficiency of ring forgings.

Drawings

Fig. 1 is a schematic structural view of a blank heating unit in an automatic ring forging production line according to the present utility model.

Fig. 2 is a schematic structural view of the bar stepping feeding device shown in fig. 1.

Fig. 3 is a schematic top view of fig. 2.

Fig. 4 is a schematic diagram of the left-hand structure in fig. 2.

Fig. 5 is a schematic structural view of a mechanical transmission mechanism.

Fig. 6 is a schematic view of the structure of the blank diverting conveyor shown in fig. 1 (the blocking frame is not shown).

Fig. 7 is a schematic top view of fig. 6.

Fig. 8 is a schematic left-hand view of fig. 6 (safety barrier not shown).

Fig. 9 is a view showing an operation state when the blank steering conveyor is not rotated.

Fig. 10 is a view showing an operation state of the blank steering conveying apparatus after rotation.

Fig. 11 is a schematic structural view of the blank transfer turning device shown in fig. 1.

Fig. 12 is a schematic top view of fig. 11.

FIG. 13 is a schematic view of the structure of section A-A of FIG. 12.

Fig. 14 is a schematic view showing the structure of the overturning table in the blank transfer overturning device after overturning by 90 degrees.

Detailed Description

The utility model is described in further detail below with reference to specific embodiments and the accompanying drawings.

As shown in fig. 1, a blank heating unit in an automatic ring forging line includes: the device comprises a bar stepping feeding device 1, a sawing machine input roller way 2, a numerical control sawing machine 3, a sawing machine output roller way 4, a blank turning and conveying device 5, a blank transferring and overturning device 6, a rotary heating furnace 9 and a feeding manipulator 8, wherein in operation, a program-controlled crown block is used for hoisting bars to the bar stepping feeding device 1, the bar stepping feeding device 1 can feed the bars to the sawing machine input roller way 2, the sawing machine input roller way 2 can convey the bars to the numerical control sawing machine 3 for cutting to obtain required blanks, the sawing machine output roller way 4 can convey the cut blanks to the blank turning and conveying device 5, the blank turning and conveying device 5 can convey the blanks to the blank transferring mechanism 6 after rotating the blanks, and in the embodiment, the blank transferring mechanism 6 is a long-distance conveying roller way; the blank transfer mechanism 6 can convey blanks to the blank transfer turning device 7, the blank transfer turning device 7 can convey blanks to a heating feeding position between the rotary heating furnace 9 and the feeding manipulator 8, the blanks can be turned over, the blanks can be lifted, the feeding manipulator 8 can grab the blanks lifted on the heating feeding position, and the feeding manipulator 8 can send the grabbed blanks into the rotary heating furnace 9 for heating.

As shown in fig. 1, a blocking seat 10 for blocking the bar from falling off from the input end of the sawing machine input roller way 2 is arranged opposite to the input end of the sawing machine input roller way 2.

In this embodiment, as shown in fig. 2, 3 and 4, the structure of the bar stepping feeding device 1 includes: the machine frame 11 is provided with three bar temporary storage seats which are equidistantly arranged along the front-back direction at intervals, the three bar temporary storage seats are respectively a first bar temporary storage seat 12, a second bar temporary storage seat 121 and a third bar temporary storage seat 122 from back to front, a blocking frame 123 for preventing bars from rolling backwards and falling down the temporary storage seats is arranged behind the first bar temporary storage seat 12, each bar temporary storage seat is arranged behind a sawing machine input roller table 2, bars 14 can be placed on each bar temporary storage seat in a left-right trend, the machine frame 11 is also provided with a bar transfer frame 131, a lifting driving mechanism and a sliding driving mechanism which are horizontally arranged, the bar transfer frame 131 can be arranged on the lifting driving mechanism in a front-back sliding way, the lifting driving mechanism can drive the bar transfer frame 131 to move up and down, the sliding driving mechanism can drive the bar transfer frame 131 to slide forwards and backwards on the lifting driving mechanism, the bar transfer rack 131 is provided with transfer positioning seats corresponding to the bar temporary storage seats one by one, the three transfer positioning seats are respectively a first transfer positioning seat 15, a second transfer positioning seat 151 and a third transfer positioning seat 152 from back to front, the transfer positioning seats are equidistantly arranged along the front-back direction, the front-back distance between the adjacent bar temporary storage seats, the front-back distance between the adjacent transfer positioning seats, the front-back distance between the sawing machine input roller table 2 and the third bar temporary storage seat 122 are all S, the bar transfer rack 131 can be lower than the bar temporary storage seats after being moved downwards under the drive of the lifting drive mechanism, so that the bar 14 can be placed on the bar temporary storage seats, then the bar transfer rack 131 can be moved to positions where the bar temporary storage seats are aligned one by one with the bar temporary storage seats after being slid backwards under the drive of the sliding drive mechanism, then, after the bar transfer rack 131 moves upwards under the drive of the lifting driving mechanism, the bar transfer rack 131 can lift up the bar 14 placed on each bar temporary storage seat and respectively position the bar 14 on each transfer positioning seat, then after the bar transfer rack 131 slides forwards under the drive of the sliding driving mechanism, the bar transfer rack 131 can transfer each bar 14 forwards by the distance of S, then after the bar transfer rack 131 moves downwards under the drive of the lifting driving mechanism, the bar transfer rack 131 can pass through the sawing machine input roller table 2 to place the foremost bar 14 on the sawing machine input roller table 2, and the other two bar 14 can be respectively placed on the second bar temporary storage seat 121 and the third bar temporary storage seat 122, at this time, the first bar temporary storage seat 12 can be vacated so as to place new bar. The sawing machine input roller way 2 is composed of a plurality of short-distance roller ways which are independently driven, and gaps exist among the short-distance roller ways, so that the bar transfer rack 131 can pass through the sawing machine input roller way 2 up and down through the gaps.

In the present embodiment, the structure of the lift drive mechanism includes: two side by side interval arrangement's elevating unit about, every elevating unit's structure includes: three cranks, transfer line 17, the lift jar 18 of arranging along fore-and-aft direction interval, arrange in each crank and be big crank 161 at last crank, the other crank is little crank 16, the structure of every crank includes: an upper arm 162 and a lower arm 163, the rear end of the upper arm 162 being connected to the upper end of the lower arm 163, a lifting roller 164 being provided on the front end of the upper arm 162; each crank can swing back and forth and is hinged to the frame 11, the hinging point of the crank and the frame 11 is positioned at the joint of the upper arm 162 and the lower arm 163, the lower end of the lower arm 163 of each small crank 16 and the middle part of the lower arm 163 of the large crank 161 are hinged to the transmission rod 17, so that each crank can be linked through the transmission rod 17, the lifting cylinder 18 is positioned behind the large crank 161, the cylinder body of the lifting cylinder 18 is hinged to the frame 11, the piston rod of the lifting cylinder 18 is hinged to the lower end of the lower arm 163 of the large crank 161, the piston rod of the lifting cylinder 18 can drive the large crank 161 to swing back and forth after stretching, and the large crank 161 can swing back and forth together with other small cranks 16 through the transmission rod 17 after swinging; a synchronizing shaft 19 is disposed between two large cranks 161 in the two lifting units, the two large cranks 161 are respectively mounted on two ends of the synchronizing shaft 19, so that the two large cranks 161 can swing synchronously, the bar transfer rack 131 is supported by each lifting roller 164 in the two lifting units and can slide back and forth on the lifting rollers 164, each lifting roller 164 can move up and down along with the forward and backward swing of each crank, and therefore the bar transfer rack 131 can be driven to move up and down, and a transfer rack limiting mechanism for limiting the left and right positions of the bar transfer rack 131 is disposed between each lifting roller 164 and the bar transfer rack 131.

The bar stock transfer rack 131 has a structure including: the front ends, the middle parts and the rear ends of the two transfer beams 133 are respectively connected and fixed through a beam 134; the lifting roller 164 in the left lifting unit is supported below the left transfer beam 133, the lifting roller 164 in the right lifting unit is supported below the right transfer beam 133, and the structure of the transfer positioning seat includes: two locating platforms 153 arranged side by side at intervals, the top of the locating platform 153 is provided with a V-shaped groove for locating bars, and the two locating platforms 153 are respectively arranged on the two transfer beams 133.

The structure of the transfer frame limiting mechanism is as follows: annular grooves which are arranged around the lifting rollers 164 are formed in the wheel faces of the lifting rollers 164, a front-back-oriented limit rail 132 is respectively arranged on the lower surfaces of the two transfer beams 133, and the two limit rails 132 are respectively clamped into the annular grooves of the lifting rollers 164 in the lifting units on the sides of the two limit rails 132, so that the annular grooves can limit the bar transfer rack 131 left and right through the limit rails 132.

The sliding driving mechanism is composed of two push-pull oil cylinders 110, the cylinder body of each push-pull oil cylinder 110 is hinged with the frame 11, the piston rod of each push-pull oil cylinder 110 is hinged with a cross beam 134 in the middle of the bar transfer frame 131, and the piston rods of the two push-pull oil cylinders 110 can drive the bar transfer frame 131 to slide back and forth after stretching.

Each bar temporary storage seat structure comprises: two bearing columns 111 which are arranged side by side at intervals, wherein the tops of the bearing columns 111 are provided with V-shaped grooves for positioning bar 14; the bar transfer rack 131 is located between the two support columns 111 of each bar temporary storage seat.

Each bar temporary storage seat is provided with a sensor for sensing bars, and the first bar temporary storage seat 12 triggers the sensor by adopting a more reliable mechanical transmission mechanism, as shown in fig. 5, and the structure of the mechanical transmission mechanism comprises: the middle part of the swing rod 191 is hinged with the first bar temporary storage seat 12, a heavy hammer 192 is fixed at the lower end of the swing rod 191, a photoelectric sensor 193 is arranged below the heavy hammer 192, an abutting column 194 for the heavy hammer 192 to abut against so that the heavy hammer 192 cannot continue to swing downwards is arranged on the first bar temporary storage seat 12, when a bar is not placed on the first bar temporary storage seat 12, the heavy hammer 192 swings downwards to a position abutting against the abutting column 194, and the photoelectric sensor 193 is triggered by the heavy hammer 192; when a bar is placed on the first bar temporary storage seat 12, the bar will press on the upper end of the swing rod 191, and the weight 192 swings upwards to a position where the photoelectric sensor 193 is not touched. The sensors on the second bar temporary storage seat 121 and the third bar temporary storage seat 122 are triggered by bars.

During feeding, the bar transfer rack 131 is lower than each bar temporary storage seat, the bar transfer rack 131 is positioned at the positions of the three transfer positioning seats and the three bar temporary storage seats which are aligned one by one, then the program-controlled crown block is used for hoisting three bars onto the first bar temporary storage seat 12, the second bar temporary storage seat 121 and the third bar temporary storage seat 122 respectively, then the bar transfer rack 131 is driven by the lifting driving mechanism to upwards move to lift the three bars 14 placed on the three bar temporary storage seats respectively and position the three bars on the three transfer positioning seats respectively, then the bar transfer rack 131 is driven by the sliding driving mechanism to forwards slide the three bars 14 forward for S distance, then the bar transfer rack 131 is driven by the lifting driving mechanism to downwards move to place the foremost bar 14 on the sawing machine input roller table 2, and the other two bars 14 are placed on the second bar temporary storage seat 121 and the third bar temporary storage seat 122 respectively, the one-step feeding of the bar stock is completed, then one bar stock is hoisted to the first bar stock temporary storage seat 12 for supplementation by the program-controlled crown block, meanwhile, the bar stock transfer frame 131 is driven by the sliding driving mechanism to slide backwards to the positions enabling the three transfer positioning seats to be aligned with the three bar stock temporary storage seats one by one, then the bar stock transfer frame 131 is driven by the lifting driving mechanism to move upwards to lift and position the three bar stock 14 placed on the three bar stock temporary storage seats on the three transfer positioning seats respectively, then the bar stock transfer frame 131 is driven by the sliding driving mechanism to slide forwards to transfer the three bar stock 14 forwards for S, and then the bar stock transfer frame 131 is driven by the lifting driving mechanism to move downwards to place the foremost bar stock 14 on the sawing machine input roller table 2, the other two bars 14 are respectively placed on the second bar temporary storage seat 121 and the third bar temporary storage seat 122, so that the secondary stepping feeding of the bars is completed. When the program-controlled crown block fails and cannot hoist the bar, one bar is temporarily stored on the second bar temporary storage seat 121 and the third bar temporary storage seat 122 respectively, so that two bars can be used for production, and adverse effects of crown block failure on ring forging production can be reduced.

As shown in fig. 6, 7, and 8, the blank turning conveyor 5 includes: the base 51, install a vertical rotation axis 52 through the bearing on the base 51, be provided with a rack 53 in the top of base 51, the middle part of rack 53 is fixed with the top of rotation axis 52, make rack 53 can pass through rotation axis 52 on the base 51 horizontal rotation, install a transition roll table 54 of individual drive on rack 53, be provided with a rotatory actuating mechanism for driving rack 53 and carrying transition roll table 54 towards the horizontal rotation of required direction 90 degrees between rack 53 and the base 51, be provided with a baffle frame 57 on the opposite of transition roll table 54 output, be provided with two side by side at intervals about baffle post 58, be located the pushing mechanism 59 between two baffle posts 58 on baffle frame 57, when transition roll table 54 is irrotational, the blank 510 that transition roll table 54 carried can stop moving through colliding with two baffle posts 58, pushing mechanism 59 can be through the ejector rod on it to stop blank 510 that moves, make blank 510 can be moved back and keep away from two baffle posts 58 on transition roll table 54, thereby make blank 510 can not bump two baffle posts 58 with the roller table 58 and can not bump two baffle posts 58 when the transition roll table 54 rotates.

In this embodiment, a safety barrier 511 is further provided, which does not prevent the transition roller way 54 and the blank 510 from rotating, and after the transition roller way 54 rotates horizontally by 90 degrees toward the desired direction, the input end of the transition roller way 54 can be just opposite to the safety barrier 511, and the safety barrier 511 can prevent the blank 510 from falling from the input end of the transition roller way 54 by blocking at the input end of the transition roller way 54, so that in actual production, the transition roller way 54 may reverse the conveying of the blank 510 due to a program error, and if the safety barrier 511 is not provided, the blank 510 will fall onto the ground from the input end of the transition roller way 54, which is very dangerous and easy to cause a safety accident.

In the present embodiment, four support rollers 512 disposed around the rotation shaft 52 are provided on the lower surface of the stage 53, and the base 51 can support the stage 53 by the four support rollers 512. Rubber pads for reducing impact are arranged on the tops of the two blocking columns 58 and the top of a pushing rod of the pushing mechanism 59, and in the embodiment, the pushing mechanism 59 is an oil cylinder, and the pushing rod is a piston rod of the oil cylinder.

The two sides of the transition roller way 54 are respectively provided with a plurality of protection brackets 513 which are arranged at intervals along the transition roller way 54, and the protection brackets 513 on the two sides can limit the blank 510, so that the blank 510 can be prevented from falling off from the side surface of the transition roller way 54.

An annular rail 514 is laid on the base plate 51, each support roller 512 rolls on the annular rail 514, the surface of the annular rail 514 is processed to be relatively flat, the support rollers 512 roll, and in addition, when the surface of the annular rail 514 is worn, the annular rail 514 can be replaced.

The structure of the rotary driving mechanism is as follows: a large gear 55 sleeved outside the rotary shaft 52 is fixed on the lower surface of the stand 53, a gap exists between the large gear 55 and the rotary shaft 52, a small gear 56 driven to rotate by a servo motor is mounted on the base 51, and the small gear 56 is meshed with the large gear 55, so that the stand 53 and the transition roller way 54 can horizontally rotate by 90 degrees towards a required direction under the driving of the servo motor.

As shown in fig. 9, the blank steering and conveying device 5 is arranged between the output end of the sawing machine output roller table 4 and the input end of the blank transferring mechanism 6, the sawing machine output roller table 4 is butted with the transition roller table 54 in the initial stage, blanks are conveyed to the transition roller table 54 by the sawing machine output roller table 4, then the blanks are conveyed to collide with two blocking columns 58 under the conveying of the transition roller table 54 to stop moving, then the pushing mechanism 59 pushes the blanks, so that the blanks can retreat on the transition roller table 54 to be far away from the two blocking columns 58, then the rack 53 and the transition roller table 54 are horizontally rotated for 90 degrees towards the required direction under the driving of a servo motor as shown in fig. 10, so that the transition roller table 54 is butted with the blank transferring mechanism 6, and then the transition roller table 54 conveys the blanks to the blank transferring mechanism 6, so that the steering and conveying of the blanks are completed.

As shown in fig. 11, 12, and 13, the blank transfer inverting apparatus 7 includes: the transfer trolley 71, two trolley rails 72 are arranged on the ground below the transfer trolley 71, the transfer trolley 71 is arranged on the two trolley rails 72, the transfer trolley 71 can translate along the two trolley rails 72, four wheels are arranged on the lower part of the transfer trolley 71, two wheels on one side and two wheels on the other side are respectively arranged on the two trolley rails 72 in a rolling way, limit flanges are arranged on the inner sides of the four wheels, the transfer trolley 71 cannot slide from the two trolley rails 72, a trolley driving mechanism for driving the transfer trolley 71 to translate along the trolley rails 72 is also arranged, a turnover shaft 73 is arranged on the transfer trolley 71, the turnover shaft 73 is rotatably arranged on the transfer trolley 71 through two bearings, a turnover table 74 is fixed on the turnover shaft 73, a turnover speed reducer 76 and a turnover motor 75 are also arranged on the transfer trolley 71, the overturning motor 75 drives the overturning shaft 73 to rotate through the overturning speed reducer 76 so as to drive the overturning table 74 to overturn by 90 degrees, a horizontally arranged transfer roller way 77 and a supporting seat 78 which are independently driven are arranged on the overturning table 74, the supporting seat 78 is positioned opposite to the output end of the transfer roller way 77 and is used for supporting the blank 510, the transfer trolley 71 can move the transfer roller way 77 to a position which can be butted with the blank transfer mechanism 6 after being driven by the trolley driving mechanism to translate towards one end of the trolley rail 72, the blank transfer mechanism 6 can convey the blank 510 onto the transfer roller way 77, then the transfer trolley 71 can move the transfer roller way 77 and the blank 510 to a heating feeding position between the feeding manipulator 8 and the rotary heating furnace 9 after being driven by the trolley driving mechanism to translate towards the other end of the trolley rail 72, as shown in figure 14, the overturning table 74 can enable the blank 510 on the transporting roller way 77 to be overturned from lying to standing on the supporting seat 78 after being overturned for 90 degrees under the drive of the overturning motor 75, so that the feeding manipulator 8 can grab the blank 510.

In the present embodiment, an impact prevention support 715 is further provided on the side of the transfer carriage 71, and when the transfer roller 77 is positioned to be able to abut against the billet transfer mechanism 6, the transfer carriage 71 resists the impact of the transfer roller 77 when receiving and transferring the billet by abutting against the impact prevention support 715. This arrangement prevents the transfer cart 71 from being detached from the rail by impact.

In this embodiment, the structure of the carriage driving mechanism includes: the translation motor 79 and the translation reducer 710 mounted on the transfer trolley 71, the two sprockets 711 are respectively mounted on two oppositely arranged output shafts of the translation reducer 710, the translation motor 79 drives the two sprockets 711 to rotate through the translation reducer 710, a chain mounting seat is arranged below the transfer trolley 71, two straight chains 712 arranged along the trolley track 72 are fixed on the chain mounting seat, and the two sprockets 711 and the two chains 712 are respectively meshed one by one for transmission, so that the transfer trolley 71 can be driven to translate after the two sprockets 711 rotate.

Two chains 712 are installed on the chain mount pad through a plurality of chain holders 713 respectively, and gaps exist between the two chains 712 and the chain mount pad, so that impurities such as iron scales on blanks fall on the chains and can be removed through the gaps, and therefore the cleaning of the engagement surfaces of the chain wheels and the chains can be ensured.

One of the two chain wheels 711 is connected with the output shaft of the translation speed reducer 710 by adopting an expansion coupling sleeve, so that the axial position of the chain wheel can be adjusted after the arrangement, the distance between the two chain wheels can be adjusted, the installation of the two chain wheels is convenient, and the two chain wheels can be well meshed with a chain.

The output shaft of the overturning motor 75 is provided with a brake 714, and the brake 714 is used for locking the overturning motor 75 after overturning in place, so that the stability of the blanks when the feeding manipulator grabs the blanks is guaranteed.

In operation, the transfer trolley 71 is driven by the trolley driving mechanism to translate towards one end of the trolley track 72, then the transfer roller way 77 is moved to a position which can be butted with the blank transfer mechanism 6, the blank transfer mechanism 6 conveys the blank 510 to the transfer roller way 77, then the transfer roller way 77 conveys the blank 510 to a position which is butted with the supporting seat 78, then the transfer trolley 71 is driven by the trolley driving mechanism to translate towards the other end of the trolley track 72, then the transfer roller way 77 and the blank 510 are moved to a heating feeding level between the feeding manipulator 8 and the rotary heating furnace 9, then the overturning table 74 is driven by the overturning motor 75 to overturn for 90 degrees, then the blank 510 on the transfer roller way 77 is overturned from lying to be erected on the supporting seat 78, then the blank 510 is grabbed by the feeding manipulator 8, then the transfer trolley 71 is driven by the trolley driving mechanism to translate away from between the feeding manipulator 8 and the rotary heating furnace 9, so that the transfer trolley 71 does not prevent the feeding manipulator 8 from feeding, then the grabbed blank 510 is sent to the rotary heating furnace 9 from the rotary heating manipulator 9 by the program control feeding manipulator 8, and the blank is completely heated by the rotary heating furnace 9 after being overturned by the overturning motor 75 for 90 degrees.

Claims (22)

1. Blank-making heating unit in ring forging automation line, its characterized in that: comprising the following steps: the device comprises a bar stepping feeding device, a sawing machine input roller way, a numerical control sawing machine, a sawing machine output roller way, a blank turning and conveying device, a blank transferring and overturning mechanism, a blank transferring and overturning device, a rotary heating furnace and a feeding manipulator, wherein the bar stepping feeding device can feed bars onto the sawing machine input roller way, the sawing machine input roller way can convey the bars into the numerical control sawing machine to be cut to obtain required blanks, the sawing machine output roller way can convey the blanks obtained by cutting onto the blank turning and conveying device, the blank turning and conveying device can convey the blanks onto the blank transferring and overturning mechanism after rotating the blanks, the blank transferring and overturning device can convey the blanks onto a heating feeding level between the rotary heating furnace and the feeding manipulator, the blanks can be overturned, the feeding manipulator can grasp the blanks erected on the heating feeding level, and the feeding manipulator can convey the grasped blanks into the rotary heating furnace to be heated.

2. The blank-making heating unit in an automatic ring-forging production line according to claim 1, wherein: the structure of bar stepping feeding device includes: the device comprises a rack, wherein a plurality of bar temporary storage seats which are distributed at intervals along the front-rear direction are arranged on the rack, bar can be placed on each bar temporary storage seat in the left-right direction, a bar transfer frame, a lifting driving mechanism and a sliding driving mechanism are further arranged on the rack, the bar transfer frame can be installed on the lifting driving mechanism in a front-rear sliding mode, the lifting driving mechanism can drive the bar transfer frame to move up and down, the sliding driving mechanism can drive the bar transfer frame to slide back and forth on the lifting driving mechanism, transfer positioning seats which are in one-to-one correspondence with each bar temporary storage seat are arranged on the bar transfer frame, each transfer positioning seat is distributed at intervals along the front-rear direction, and the front-rear distance between each adjacent bar temporary storage seat and the front-rear distance between each adjacent transfer positioning seat are all S.

3. The blank-making heating unit in an automatic ring-forging production line according to claim 2, wherein: the structure of the lifting driving mechanism comprises: two side by side interval arrangement's elevating unit about, every elevating unit's structure includes: the crank, transfer line, the lift jar of several along fore-and-aft direction interval arrangement, arrange in each crank and be big crank in last crank, the other crank is little crank, the structure of every crank includes: the rear end of the upper arm is connected with the upper end of the lower arm, and a lifting roller is arranged at the front end of the upper arm; the lower ends of the lower arms of the small cranks and the middle part of the lower arms of the large cranks are hinged with the transmission rods, so that the cranks can be linked through the transmission rods, the lifting cylinder is positioned behind the large cranks, the cylinder body and the piston rod of the lifting cylinder are hinged with the lower ends of the frame and the lower arms of the large cranks one by one respectively, the piston rod of the lifting cylinder stretches and contracts to drive the large cranks to swing back and forth, and the large cranks can swing back and forth together with the small cranks through the transmission rods; a synchronizing shaft is arranged between two large cranks in the two lifting units, the two large cranks are respectively arranged at two ends of the synchronizing shaft, so that the two large cranks can swing synchronously, the bar transfer frame is supported by each lifting roller in the two lifting units and can slide back and forth on the lifting rollers, each lifting roller can swing back and forth along with each crank to move up and down, and therefore the bar transfer frame can be driven to move up and down, and a transfer frame limiting mechanism for limiting the left and right positions of the bar transfer frame is arranged between each lifting roller and the bar transfer frame.

4. A blank heating unit in an automated ring forging line as recited in claim 3, wherein: the structure of the transfer frame limiting mechanism is as follows: annular grooves which are arranged around the lifting rollers are formed in the wheel faces of the lifting rollers, a front-back-oriented limit rail is respectively arranged on the lower surfaces of the left side and the right side of the bar transfer frame, and the two limit rails are respectively clamped into the annular grooves of the lifting rollers in the lifting units on the side where the two limit rails are located.

5. The blank-making heating unit in an automatic ring-forging production line according to claim 2, 3 or 4, wherein: the sliding driving mechanism is a push-pull oil cylinder, a cylinder body and a piston rod of the push-pull oil cylinder are hinged with the rack and the bar transfer rack one by one respectively, and the piston rod of the push-pull oil cylinder can drive the bar transfer rack to slide back and forth after stretching.

6. The blank-making heating unit in an automatic ring-forging production line according to claim 3 or 4, wherein: the structure of the bar stock transfer rack comprises: the front ends, the middle parts and the rear ends of the two transfer beams are respectively connected and fixed through a cross beam; the lifting roller in the left lifting unit is supported below the left transfer beam, and the lifting roller in the right lifting unit is supported below the right transfer beam; the structure of the transfer positioning seat comprises: the two locating tables are arranged side by side at intervals, V-shaped grooves for locating bars are formed in the tops of the locating tables, and the two locating tables are respectively arranged on the two transfer beams.

7. The blank-making heating unit in an automatic ring-forging production line according to claim 2, 3 or 4, wherein: each bar temporary storage seat structure comprises: the two bearing columns are arranged side by side at intervals, and V-shaped grooves for positioning bars are formed in the tops of the bearing columns; the bar transfer rack is positioned between two bearing columns of each bar temporary storage seat.

8. The blank-making heating unit in an automatic ring-forging production line according to claim 2, 3 or 4, wherein: every bar is kept in and is provided with the sensor that is used for responding to the bar on the seat, is located that last bar is kept in the seat and adopts mechanical transmission mechanism to trigger the sensor, and mechanical transmission mechanism's structure includes: the middle part of the swing rod is hinged with the bar temporary storage seat, a heavy hammer is fixed at the lower end of the swing rod, a photoelectric sensor is arranged below the heavy hammer, an abutting column for the heavy hammer to abut against so that the heavy hammer cannot continue to swing downwards is arranged on the bar temporary storage seat, and when a bar is not placed on the bar temporary storage seat, the heavy hammer swings downwards to a position abutting against the abutting column, and the photoelectric sensor is triggered by the heavy hammer; when the bar is placed on the bar temporary storage seat, the bar can be pressed on the upper end of the swing rod, and the heavy hammer can swing upwards to a position where the photoelectric sensor is not touched.

9. The blank-making heating unit in an automatic ring-forging production line according to claim 1, wherein: the structure of the blank steering and conveying device comprises: the device comprises a base, wherein a vertical rotating shaft is arranged on the base through a bearing, a rack is arranged above the base, the middle of the rack is fixed with the top of the rotating shaft, the rack can horizontally rotate on the base through the rotating shaft, a singly-driven transition roller way which is in butt joint with a sawing machine output roller way is arranged on the rack, the sawing machine output roller way can convey blanks to the transition roller way, a rotary driving mechanism is arranged between the rack and the base, the rotary driving mechanism can drive the rack to horizontally rotate for X degrees along with the transition roller way, the transition roller way can be in butt joint with a blank transferring mechanism, the transition roller way can convey blanks to the blank transferring mechanism, a blocking frame is arranged opposite to the output end of the transition roller way, a blocking column and a pushing mechanism are arranged on the blocking frame, when the transition roller way does not rotate, the blanks conveyed by the transition roller way can stop moving through collision with the blocking column, the pushing mechanism can push the blanks which are stopped moving through the pushing rod on the transition roller way, the blanks can be retreated on the transition roller way to be far away from the blocking column along with the rotation of the blank transferring roller way, and the blanks can not collide with the blocking column when the blanks rotate along with the transition roller way.

10. The blank-making heating unit in an automated ring-forging line as recited in claim 9, wherein: the safety baffle is further provided with a safety baffle which does not prevent the transition roller way and the blanks from rotating, the input end of the transition roller way can be just opposite to the safety baffle after the transition roller way horizontally rotates for X degrees towards the required direction, and the safety baffle can prevent the blanks from falling from the input end of the transition roller way by blocking the input end of the transition roller way.

11. The blank-making heating unit in an automatic ring-forging production line according to claim 9 or 10, characterized in that: the structure of the rotary driving mechanism is as follows: a large gear sleeved on the outer side of the rotating shaft is fixed on the lower surface of the rack, a gap exists between the large gear and the rotating shaft, a small gear driven by a servo motor to rotate is mounted on the base, and the small gear is meshed with the large gear, so that the rack and the transition roller way can horizontally rotate for X degrees towards the required direction under the driving of the servo motor.

12. The blank-making heating unit in an automated ring-forging line as recited in claim 9, wherein: a plurality of supporting rollers are arranged around the rotating shaft on the lower surface of the rack, and the base can support the rack through the supporting rollers.

13. The blank-making heating unit in an automated ring-forging line of claim 12, wherein: an annular rail is paved on the base, and each supporting roller rolls on the annular rail.

14. The blank-making heating unit in an automatic ring-forging production line according to claim 9 or 10, characterized in that: the two sides of the transition roller way are respectively provided with a plurality of protection brackets which are distributed along the transition roller way at intervals, and the protection brackets on the two sides can limit blanks, so that the blanks can be prevented from falling off from the side face of the transition roller way.

15. The blank-making heating unit in an automatic ring-forging production line according to claim 9 or 10, characterized in that: the pushing mechanism is an oil cylinder or an electric cylinder.

16. The blank-making heating unit in an automatic ring-forging production line according to claim 1, wherein: the structure of the blank transferring and overturning device comprises: the transfer trolley is provided with a trolley track below the transfer trolley, the transfer trolley is installed on the trolley track, the transfer trolley can translate along the trolley track, the transfer trolley is further provided with a trolley driving mechanism for driving the transfer trolley to translate along the trolley track, the transfer trolley is provided with a turnover shaft, the turnover shaft is rotatably installed on the transfer trolley through two bearings, the turnover shaft is fixedly provided with a turnover table, the transfer trolley is further provided with a turnover speed reducer and a turnover motor, the turnover motor can drive the turnover shaft to rotate through the turnover speed reducer, so that the turnover table can be driven to turn over 90 degrees, a horizontally arranged transfer roller way and a supporting seat which are independently driven are installed on the turnover table, the supporting seat is opposite to the output end of the transfer roller way and used for supporting blanks to abut against, the transfer trolley can move a transfer belt to a position which can be in butt joint with the blank transfer mechanism under the driving of the trolley track, the transfer trolley can convey blanks to a transfer roller way, then the transfer trolley can be driven by the turnover table to the turnover table through the turnover speed reducer, the turnover motor can be driven by the turnover table to the turnover table, and the turnover table can be heated by the turnover table to a position between the turnover table and the turnover table after being driven by the turnover motor to be driven by the turnover table.

17. The blank-making heating unit in an automated ring-forging line as recited in claim 16, wherein: the structure of the trolley driving mechanism comprises: the two chain wheels are respectively arranged on two oppositely arranged output shafts of the translation speed reducer, the translation motor drives the two chain wheels to rotate through the translation speed reducer, a chain installation seat is arranged below the transfer trolley, two straight chains arranged along the trolley track are fixed on the chain installation seat, and the two chain wheels and the two chains are respectively meshed one to one for transmission, so that the transfer trolley can be driven to translate after the two chain wheels rotate.

18. The blank-making heating unit in an automated ring-forging line of claim 17, wherein: two chains are respectively arranged on the chain installation seat through a plurality of chain seats, and gaps exist between the two chains and the chain installation seat.

19. The blank-making heating unit in an automated ring-forging line according to claim 17 or 18, wherein: one of the two chain wheels is connected with the output shaft of the translation speed reducer by adopting an expansion coupling sleeve for transmission.

20. The blank-making heating unit in an automated ring-forging line according to claim 16 or 17 or 18, wherein: a brake is arranged on the output shaft of the turnover motor.

21. The blank-making heating unit in an automated ring-forging line according to claim 16 or 17 or 18, wherein: the anti-impact support is arranged on the side face of the transfer trolley, and when the transfer roller way is positioned at a position capable of being butted with the conveying mechanism, the transfer trolley can resist impact caused by the fact that the transfer roller way bears blanks and conveys the blanks through being butted with the anti-impact support.

22. The blank-making heating unit in an automatic ring-forging production line according to claim 1, wherein: a blocking seat for blocking the bar material from falling from the input end of the sawing machine input roller way is arranged opposite to the input end of the sawing machine input roller way.

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