CN217913936U - Full-automatic hot rolling flange production line - Google Patents

Abstract

The utility model belongs to the technical field of flange production, in particular to a full-automatic hot-rolled flange production line, which comprises a truss, a conveying mechanism arranged at the top of the truss and a flange production station arranged at the lower part of the conveying mechanism; the flange production station sequentially comprises a positioning device for positioning a kerf of a blank of the flange plate, a milling device for milling the kerf of the flange plate and a welding device for welding the flange; the welding device sequentially comprises a first welding device for flattening and spot welding of the flange plate and a second welding device for welding the groove of the flange plate. The utility model discloses profitable technological effect does: the production from a flange blank to the completion of a single flange is realized, the groove on the flange plate is accurately positioned, the integral flange plate is kept in a horizontal state, and the welding of the groove is completed, so that the equipment has high automation degree and is more efficient; the raw material loss can not be caused in the processing process, and the cost can be better saved.

Description

Full-automatic hot rolling flange production line

Technical Field

The utility model belongs to the technical field of the flange production, especially, relate to a full-automatic hot flange production line that rolls up.

Background

The production process of hot rolled flange includes rolling spiral blank with cylindrical mold, cutting and welding to form flange.

In the prior art, chinese patent publication No. CN108176987A provides a flange production line, which includes a cutting mechanism for cutting raw material into strips; the heating quenching mechanism is used for heating strip metal; the bending mechanism comprises a rack, a die arranged at the upper end of the rack and a plurality of driving wheels arranged on the same side of the die, the distances between the driving wheels and the center of the die are equal, and a power assembly mechanism for driving the die to rotate is arranged on the rack; the welding mechanism is used for welding the joint of the flange bent into a circular ring shape; and the cooling mechanism is used for cooling the flange after welding. However, in the prior art, the flange is manufactured by a one-step forming method, strip-shaped raw materials need to be heated and bent on a die to form a circular ring for welding, and then the raw materials are cut into strip shapes, so that the loss of the raw materials such as steel and the like is inevitably caused, and the waste of the raw materials is caused; after the strip-shaped metal is bent into a circular ring shape, the two ends of the strip shape are high at one end and low at the other end, so that the subsequent welding is difficult.

SUMMERY OF THE UTILITY MODEL

The utility model provides a full-automatic hot rolling flange production line to solve the problem that proposes in the above-mentioned background art.

The utility model discloses the technical problem who solves adopts following technical scheme to realize:

a full-automatic hot-rolling flange production line comprises a truss, a conveying mechanism arranged at the top of the truss and a flange production station arranged at the lower part of the conveying mechanism; the flange production station sequentially comprises a positioning device for positioning a saw cut of a flange plate blank, a milling device for milling the saw cut of the flange plate and a welding device for welding the flange;

the welding device sequentially comprises a first welding device for performing flattening spot welding on the flange plate and a second welding device for welding the groove of the flange plate;

the positioning device is arranged on the positioning workbench and comprises a positioning component, a driving component and a seam searching component; the middle part of the positioning workbench is fixedly provided with three positioning round tables, and the positioning assemblies are distributed along the center of the positioning round tables; the driving assembly is arranged on the positioning workbench and positioned between the two groups of positioning assemblies close to one side of the milling device, and the seam searching assembly is arranged at the upper part of the driving assembly;

the positioning assembly comprises a positioning air cylinder, a positioning slide rail, a positioning slide block and a positioning column, the positioning slide rail is fixedly arranged on the positioning workbench, the positioning slide block is connected onto the positioning slide rail in a sliding manner, the positioning column is fixedly arranged at one end, close to the positioning round platform, of the positioning slide block, the positioning round platform is also fixedly provided with the positioning air cylinder, and the output end of the positioning air cylinder is fixedly connected with the positioning slide block;

the driving assembly comprises a driving air cylinder, a driving sliding rail and a driving sliding block, the driving sliding rail and the driving air cylinder are arranged on the positioning workbench in parallel, the output end of the driving air cylinder is fixedly connected with the driving sliding block, the bottom of the driving sliding block is connected to the driving sliding rail in a sliding mode, and the top of the driving sliding block is connected with the seam searching assembly;

the seam searching assembly comprises a second positioning cylinder and a positioning plate, the second positioning cylinder is fixedly connected with the top of the driving sliding block through a connecting frame, and the output end of the second positioning cylinder is fixedly connected with the positioning plate;

the milling device is arranged on the milling workbench and comprises an upper milling assembly, a lower milling assembly and a milling inductor; the milling sensor is fixedly arranged on a truss at the upper part of the milling workbench, and a sensing part of the milling sensor is positioned above an opening on the milling workbench;

the upper milling component is arranged above the milling workbench and comprises an upper milling motor and an upper milling cutter, the upper milling motor is fixedly arranged on the milling workbench, and the upper milling motor is connected with the upper milling cutter through a transmission part;

the lower milling assembly is arranged below the milling workbench and comprises a lower milling motor and a lower milling cutter, the lower milling motor is fixedly arranged on the milling workbench, and the lower milling motor is connected with the lower milling cutter through a transmission part;

the tool bit of the upper milling cutter is positioned between the opening and the milling inductor; the cutter head of the lower milling cutter passes through the opening and then keeps a parallel state with the cutter head of the upper milling cutter;

the first welding device comprises a first limiting mechanism and a first welding robot, the first limiting mechanism is positioned on a first welding workbench, and the first welding robot is positioned on one side of the first welding workbench; the first limiting mechanism comprises a first sliding limiting assembly and a first limiting assembly;

the first sliding limiting assembly comprises two groups of first limiting slide rails, a first sliding block and limiting clamping columns, the two groups of first limiting slide rails are arranged in parallel and fixedly arranged on the first welding workbench, the first sliding block is slidably connected between the two groups of first limiting slide rails, and the limiting clamping columns are fixedly arranged on the first sliding block;

the first limiting assembly comprises a first limiting cylinder, a limiting arm, a flattening block and a first object placing table, the first object placing table is fixedly arranged on the first welding workbench, a limiting frame is arranged on one side, away from a first limiting slide rail, of the first object placing table, the limiting arm is rotatably connected to the limiting frame, the flattening block is arranged at the bottom of the limiting arm, and the flattening block is located at the upper part of the first object placing table; one end, far away from the first object placing table, of the limiting arm is rotatably connected to the output end of the first limiting cylinder through a connecting frame, and the first limiting cylinder is fixedly arranged between the first welding workbench and the first welding robot; the first limiting assemblies are provided with two groups;

the second welding device comprises a second limiting mechanism and a second welding robot; the second limiting mechanism is arranged on the second welding workbench, the second welding robot is positioned on one side of the second welding workbench, and the second limiting mechanism comprises a second sliding limiting assembly and a second limiting assembly;

the second sliding limiting assembly comprises a second sliding rail, a second sliding block, a limiting cylinder and a second limiting block, the second sliding rail is provided with two groups which are arranged on the second welding workbench in parallel, the second sliding block is connected between the two groups of second sliding rails in a sliding mode, the limiting cylinder is fixedly connected onto the second sliding block, the output end of the limiting cylinder is connected with the second limiting block, and the limiting platform is fixedly arranged on one side, close to the welding robot, of the second sliding block;

the second limiting assembly comprises the limiting cylinder, a second limiting block and a limiting table, the limiting cylinder is fixedly arranged on the second welding workbench, the output end of the limiting cylinder is fixedly connected with the second limiting block, and the limiting table is fixedly arranged beside the limiting cylinder close to one side of the second slide rail; the second limiting assemblies are provided with two groups;

conveying mechanism with the truss slides and links to each other, conveying mechanism is equipped with three groups altogether, and adjacent two sets of link to each other through the synchronizing bar between the conveying mechanism, conveying mechanism includes height adjusting part, width adjusting part and snatchs the subassembly.

The utility model has the advantages that:

(1) According to the full-automatic hot-rolling flange production line, production from a flange blank to completion of a single flange can be achieved through a flange production station, the flange is processed through the positioning device, the milling device, the first welding device and the second welding device, a groove on the flange plate is accurately positioned, the integral flange plate is kept in a horizontal state, welding of the groove is completed, and the equipment is high in automation degree and more efficient; the raw material loss is avoided in the processing process, and the cost can be better saved;

(2) The full-automatic hot flange production line that rolls up in this application can solve the one high one low condition of flange at groove both ends on the single ring flange through welding of a welding set to make the flange at both ends be in on same horizontal plane, and preferentially carry out spot welding, and then help is favorable to subsequent welding.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic structural view of the positioning device 1 of the present invention;

fig. 3 is a schematic structural diagram of the milling device 2 of the present invention;

fig. 4 is a schematic structural diagram of the first welding device 3 of the present invention;

fig. 5 is a schematic structural diagram of a second welding device 4 according to the present invention;

fig. 6 is a schematic structural view of the transportation mechanism of the present invention;

1-a positioning device, 11-a positioning table, 12-a positioning circular table, 131-a positioning cylinder, 132-a positioning slide rail, 133-a positioning slide block, 134-a positioning post, 141-a driving cylinder, 142-a driving slide rail, 143-a driving slide block, 151-a second positioning cylinder, 152-a positioning plate, 153-a seam finding sensor, 2-a milling device, 21-a milling table, 221-an upper milling motor, 222-an upper milling cutter, 231-a lower milling motor, 232-a lower milling cutter, 24-a milling sensor, 25-an opening, 3-a first welding device, 31-a first welding table, 32-a first welding robot, 331-a first limit slide rail, 332-a first slide block, 333-a limit clamp post, 341-first limit cylinder, 342-limit arm, 343-flattening block, 344-first object placing table, 345-limit frame, 4-second welding device, 41-second welding workbench, 42-second welding robot, 43-limit cylinder, 431-second slide rail, 432-second slide block, 44-second limit block, 45-limit table, 461-welding motor, 462-telescopic rod, 463-sliding plate, 51-sliding plate, 52-connecting plate, 53-height adjusting cylinder, 54-width adjusting cylinder, 55-width adjusting plate, 56-grabbing connecting plate, 57-grabbing limit frame, 58-grabbing cylinder, 6-truss, 71-rack, 72-gear, 73-transportation driving motor.

Detailed Description

Example 1

As shown in fig. 1-6, a full-automatic hot-rolling flange production line comprises a truss 6, a conveying mechanism and a flange production station, wherein the conveying mechanism is arranged at the top of the truss 6 and used for conveying blank flanges, and the flange production station is arranged at the lower part of the conveying mechanism; the flange production station comprises a positioning device, a milling device and a welding device from left to right in sequence; the positioning device is used for positioning the saw cut on the flange plate blank; the milling device is used for milling the flange plate: accurately milling the flange plate according to the position of the kerf on the previous flange plate blank, so that the kerf is changed into a beveled edge with inclination, and the later welding is convenient; the welding device welds the groove on the flange plate, the welding device sequentially comprises a first welding device and a second welding device, the first welding device performs flattening spot welding on flanges with uneven heights at two ends of the flange plate groove, and the second welding device performs welding fixing on the flange plate groove.

The positioning device is arranged on the positioning workbench 11 and comprises a positioning component, a driving component and a seam searching component; the middle part of the positioning workbench 11 is fixedly provided with three positioning round tables 12, and the positioning assemblies are distributed along the center of the positioning round tables 12, namely the included angle between two adjacent positioning assemblies is 120 degrees; the driving assembly is arranged on the positioning workbench 11 and positioned between the two groups of positioning assemblies close to one side of the milling device, and the seam searching assembly is arranged on the upper portion of the driving assembly.

The positioning assembly comprises a positioning cylinder 131, a positioning slide rail 132, a positioning slide block 133 and a positioning column 134, the positioning slide rail 132 is fixedly arranged on the positioning workbench 11, the bottom of the positioning slide block 133 is sleeved on the positioning slide rail 132 and is connected with the positioning slide rail 132 in a sliding manner, the positioning column 134 is fixedly arranged at one end, close to the positioning circular truncated cone 12, of the positioning slide block 133, the positioning cylinder 131 is also fixedly arranged on the positioning circular truncated cone 12, and the output end of the positioning cylinder 131 is fixedly connected with the positioning slide block 133; when the flange blank is placed on the positioning circular table through the conveying mechanism, the three groups of positioning columns 134 are sleeved inside the inner ring of the flange blank, and the flange blank is positioned and limited; when the flanges of different types are positioned and limited, the positioning cylinder 135 is opened to drive the positioning slider 133 to move relatively on the positioning slide rail 132, and the relative distance between the positioning column 134 and the positioning circular truncated cone 12 is adjusted, so that the flange positioning device is suitable for producing flanges of different types.

The driving assembly comprises a driving air cylinder 141, a driving slide rail 142 and a driving slide block 143, the driving slide rail 142 and the driving air cylinder 141 are arranged on the positioning workbench 11 in parallel, the output end of the driving air cylinder 141 is fixedly connected with the driving slide block 143, the bottom of the driving slide block 143 is connected to the driving slide rail 142 in a sliding manner, and the top of the driving slide block 143 is connected with the seam searching assembly; the driving cylinder 141 drives the seam searching component to perform relative motion, and drives the flange plate blank to perform relative rotation, so that the flange plate blank rotates to a preset position;

the seam searching assembly comprises a second positioning cylinder 151 and a positioning plate 152, the second positioning cylinder 151 is fixedly connected with the top of the driving slider 143 through a connecting frame, and the output end of the second positioning cylinder 151 is fixedly connected with the positioning plate 152; the second positioning cylinder 151 drives the positioning plate 152 to perform telescopic motion, so that the positioning plate 152 is clamped at a saw cut at the top of the flange plate blank; preferably, the seam searching component further comprises a seam searching sensor 153, and the seam searching sensor 153 is located at one side of the driving component and is used for sensing whether the saw cut on the flange blank piece rotates to a preset position; when the flange blank is placed in the positioning circular truncated cone 12 through the conveying mechanism, the saw cut position of the flange blank approximately faces the inside of the positioning workbench 11, but the flange blank is not located at the preset position, at this time, the second positioning cylinder 151 drives the positioning plate 152 to perform telescopic motion, the positioning plate 152 is driven to be clamped at the groove at the top of the flange blank roll, then the driving cylinder 141 drives the driving slider 143 to move on the driving slide rail 142, the positioning plate 152 drives the flange blank to rotate, when the seam searching sensor 153 senses the saw cut, the saw cut is represented to reach the preset position, the driving cylinder 141 stops moving, and the conveying mechanism conveys the flange blank to the production station where the milling device is located.

The milling device is arranged on the milling workbench 21 and comprises an upper milling assembly, a lower milling assembly and a milling inductor 24; the milling inductor is fixedly arranged on the truss at the upper part of the milling worktable 21, and the induction part of the milling inductor 24 is positioned above the opening 25 on the milling worktable 21.

The upper milling component is arranged above the milling workbench 21 and comprises an upper milling motor 221 and an upper milling cutter 222, the upper milling motor 221 is fixedly arranged on the milling workbench 21, the upper milling motor 221 is connected with the upper milling cutter 222 through a transmission part, and it should be noted that the transmission part is the prior art, the specific structure of the transmission part is not specifically specified in the application, in the embodiment, a vertical transmission gear box can be selected and used, the vertical transmission gear box is arranged on the milling workbench 21, one end of the vertical transmission gear box is fixedly provided with the upper milling motor 221 through a connection shaft, and the other end of the vertical transmission gear box is connected with the upper milling cutter 222;

the lower milling assembly is arranged below the milling workbench 21 and comprises a lower milling motor 231 and a lower milling cutter 232, the lower milling motor 231 is fixedly arranged on the milling workbench 21, the lower milling motor 231 is connected with the lower milling cutter 232 through a transmission part, and it should be noted that the transmission part is the prior art, the specific structure of the transmission part is not specifically specified in the application, in the embodiment, a vertical transmission gear box can be selected and used, the vertical transmission gear box is arranged on the milling workbench 21, one end of the vertical transmission gear box is fixedly provided with the lower milling motor 231 through a connecting shaft, and the other end of the vertical transmission gear box is connected with the lower milling cutter 232;

the cutting head of the upper milling cutter 222 is located between the opening 25 and the milling inductor 24; the cutter head of the lower milling cutter 232 is kept in a parallel state with the cutter head of the upper milling cutter 222 after passing through the opening 25, and the cutter head of the lower milling cutter 232 is in a parallel state with the cutter head of the upper milling cutter 222, so that the beveled end on the cut flange plate is conveniently in a parallel state, and the subsequent welding is convenient; after milling workstation 21 is arranged in to the flange blank in transport mechanism, mill sensor 24 and sense the kerf position after, start milling motor 221 and mill motor 231 down, it rotates to drive milling cutter 222 and milling cutter 232 down respectively, make the kerf cutting on the flange blank become the ring flange groove that has the gradient, the ring flange of groove both sides is owing to be the state of lapping in the past, can cause the height that highly is higher than the groove opposite side of groove one side, form the difference in height, cause inconvenience for subsequent welding, consequently need use conveying mechanism to transport the ring flange to first welding set on, the spot welding process flattens.

The first welding device comprises a first limiting mechanism and a first welding robot 32, the first limiting mechanism is positioned on the first welding workbench 31, the first welding robot 32 is fixedly arranged on one side of the first welding workbench 31, it should be pointed out that the first welding robot is the prior art, the specific principle and structure are not described herein, and the top welding head of the first welding robot 32; the first limiting mechanism comprises a first sliding limiting assembly and a first limiting assembly;

the first sliding limiting assembly comprises two groups of first limiting sliding rails 331, a first sliding block 332 and limiting clamping columns 333, the two groups of first limiting sliding rails 331 are arranged on the first welding workbench 31 and fixedly arranged in parallel, the first sliding block 332 is connected between the two groups of first limiting sliding rails 331 in a sliding mode, the limiting clamping columns 333 are fixedly arranged on the first sliding block 332, a first object placing table 344 is fixedly connected to one side, close to the first limiting assembly, of the upper surface of the first sliding block 332, the first object placing table 344 is used for placing flanges, the flanges move on the first limiting sliding rails 331 through the first sliding block 332, and the flange welding device is suitable for performing flattening spot welding on the flanges of different types and sizes;

the first limiting assembly comprises a first limiting cylinder 341, a limiting arm 342, a flattening block 343 and a first object placing table 344, the first object placing table 344 is fixedly arranged on the first welding workbench 31, one side of the first object placing table 344, which is far away from the first limiting slide rail, is provided with a limiting frame 345, the limiting arm 342 is rotatably connected to the limiting frame 345, the bottom of the limiting arm is provided with the flattening block 343, and the flattening block 343 is positioned at the upper part of the first object placing table 344; one end of the limiting arm 342, which is far away from the first object placing table, is rotatably connected to the output end of the first limiting cylinder 341 through a connecting frame, and the first limiting cylinder 341 is fixedly arranged between the first welding workbench 31 and the first welding robot 32;

preferably, two groups of first limiting assemblies are arranged, the first object placing tables 344 in the two groups of first limiting assemblies are placed in a horizontal structure, and the two groups of first limiting cylinders 341 are placed at an included angle of 120 degrees, so that flanges at two ends of a groove can be conveniently subjected to spot welding and flattening; conveying mechanism transports the flange back on first welding set with the flange, place it on three first thing platforms 344 of putting of group, open first spacing cylinder 341, first spacing cylinder 341 drives the one end up motion of spacing arm 342, because spacing arm 342 rotates the joint on spacing frame 345, make spacing arm 342 be provided with the one end downstream of flattening piece 343, flatten the flange of ring flange slope department, then open first welding robot 32, the welding head carries out preliminary spot welding to ring flange slope department, the ring flange that makes the groove both ends is in same height, make things convenient for next production station to carry out welded fastening to the ring flange.

The second welding device includes a second limit mechanism and a second welding robot 42; the second limiting mechanism is arranged on the second welding workbench 41, the second welding robot 42 is located at one side of the second welding workbench 41, it should be noted here that the second welding robot and the first welding robot are welding robots of the same type, both are in the prior art, specific principles and structures are not described herein, and a top welding head of the second welding robot 32; the second limiting mechanism comprises a second sliding limiting component and a second limiting component;

the second welding robot 32 is movably disposed at the rear side of the second welding table 41 through a welding driving mechanism, specifically, the welding driving mechanism includes a welding motor 461, an expansion link 462 and a sliding plate 463, the welding motor 461 is fixedly disposed at one side of the second welding table 41, the output end of the welding motor 461 is connected to the expansion link 462, a connecting member is sleeved on the expansion link 462, one end of the connecting member is fixedly connected to the sliding plate 463, the sliding plate 463 can slide on the truss 6, the second welding robot 32 is driven by the welding driving mechanism to move back and forth relative to the second welding table 41, so that the relative position between the two changes, the purpose of setting is to accelerate the transportation speed of the transportation mechanism, and the transportation efficiency of the transportation mechanism is not affected by the height reason of the second welding robot 32.

The second sliding limiting assembly comprises a second sliding rail 431, a second sliding block 432, a limiting cylinder 43 and a second limiting block 44, the second sliding rail 431 is provided with two groups which are arranged on the second welding workbench 41 in parallel, the second sliding block 432 is connected between the two groups of second sliding rails 431 in a sliding manner, the limiting cylinder 43 is fixedly connected onto the second sliding block 432, the output end of the limiting cylinder 43 is connected with the second limiting block 44, the limiting table 45 is further fixedly arranged on one side, close to the second welding robot, of the second sliding block 432, the second sliding block 432 moves on the second sliding rail 431, and the second sliding limiting assembly is suitable for welding flanges of different types and sizes;

the second limiting assembly comprises a limiting cylinder 43, a second limiting block 44 and a limiting table 45, the limiting cylinder 43 is fixedly arranged on the second welding workbench 41, the output end of the limiting cylinder 43 is fixedly connected with the second limiting block 44, and the limiting table 45 is fixedly arranged beside the limiting cylinder 43 close to one side of the second slide rail;

preferably, two groups of second limiting assemblies are arranged, the limiting cylinders 43 in the two groups of second limiting assemblies are arranged at an included angle of 120 degrees, and the limiting cylinders 43 in the second sliding limiting assemblies and the limiting cylinders 43 in the adjacent second limiting assemblies are arranged at an included angle of 120 degrees; conveying mechanism transports the flange on the second welding set back, places it on three spacing platforms 45 of group, opens spacing cylinder 43 and adjusts the height of second stopper 44, carries out the joint to the ring flange, conveniently welds, then opens second welding robot 42, welds the ring flange at groove both ends, and then accomplishes the production of flange.

Preferably, the conveying mechanisms are connected with the truss 6 in a sliding mode, three groups of conveying mechanisms are arranged, two adjacent groups of conveying mechanisms are fixedly connected through a synchronizing rod 51, and each conveying mechanism comprises a height adjusting assembly, a width adjusting assembly and a grabbing assembly; the width adjusting component is arranged at the lower part of the height adjusting component, and the grabbing component is arranged at the lower part of the width adjusting component.

The height adjusting component comprises a sliding plate 51 and a connecting plate 52, the sliding plate 51 is arranged at the upper part of the truss 6 in a sliding manner, a height adjusting cylinder 53 is fixedly arranged on the sliding plate 51, and the output end of the height adjusting cylinder 53 penetrates through the sliding plate 51 and then is fixedly connected with the connecting plate 52; the height of the connecting plate 52 and the width adjusting assembly and the grabbing assembly at the lower part of the connecting plate can be adjusted through the extension and contraction of the height adjusting air cylinder 53;

the width adjusting assembly comprises a width adjusting cylinder 54 and a width adjusting plate 55, the width adjusting cylinder 54 is fixedly arranged in the middle of the connecting plate 52 through a corresponding frame body, it should be noted that the width adjusting cylinder 54 drives the driving cylinder in two directions, two ends of the width adjusting cylinder 54 are fixedly connected with the width adjusting plate 55 respectively, the width adjusting plate 55 is driven to horizontally move through adjusting the width adjusting cylinder 54, and therefore the width adjusting plate 55 and the grabbing assembly at the lower part of the width adjusting cylinder are driven to horizontally move left and right.

The grabbing component comprises a grabbing connecting plate 56, a grabbing limiting frame 57 and a grabbing air cylinder 58; snatch connecting plate 56 and width adjustment plate 55 fixed linking to each other, snatch and be equipped with two sets of spacing frames 57 of snatching on the connecting plate 56 altogether, the top of snatching the limiting plate is connected with snatchs cylinder 58, snatchs cylinder 58 and passes to be connected with after snatching spacing frame 57 and snatch the stopper, through snatching the stopper and reciprocating in snatching spacing frame 57, adjusts the thickness of the flange that can snatch to adapt to the use of different thickness flanges. The grabbing connection plates 56 are provided with two groups, and are oppositely arranged on the two groups of width adjustment plates 55.

Preferably, in order to make the transportation mechanism better convey the flange, a transportation driving device is further provided in the present application, the transportation driving device includes a rack 71, a gear 72 and a transportation driving motor 73, wherein the rack 71 is disposed on the upper portion of the second welding device, the gear 72 is rotatably connected with the rack 71, the gear 72 is sleeved on an output shaft of the transportation driving motor 73, the transportation driving motor 73 is disposed on one side of the transportation mechanism close to the second welding device, the transportation mechanism referred to herein refers to a third group of transportation mechanisms from left to right, and the transportation mechanism is disposed on the upper portion of the first welding device when the transportation mechanism is stationary; the transportation driving motor 73 drives the gear 72 to move on the rack 71, so that the three transportation mechanisms are driven to horizontally slide, the three transportation mechanisms can move together, and when the stations on the whole production line are in a working state, the transportation mechanisms can convey the flanges to the next station quickly, so that the flanges are conveniently produced.

Example 2

A production method of a hot-rolled flange uses the full-automatic hot-rolled flange production line in the embodiment 1 to produce, and comprises the following steps,

s1, a flange blank is placed on a positioning workbench, a second positioning cylinder is used for driving a positioning plate to perform telescopic motion, the positioning plate is driven to be clamped at a saw cut at the top of a flange plate blank roll, then a driving cylinder is driven to drive a driving sliding block to move on a driving sliding rail, so that the positioning plate drives the flange blank to rotate, and after a preset position is reached, a conveying mechanism conveys the flange blank to a production station where a milling device is located;

s2, a milling process, namely placing the flange blank on a milling workbench, respectively starting an upper milling motor and a lower milling motor after a milling sensor senses the position of a kerf, driving the upper milling cutter and the lower milling cutter to rotate, and cutting the kerf of the flange blank into a groove with a certain inclination angle;

s3, spot welding, namely, arranging the flange on a first object placing table, opening a first limiting cylinder, enabling one end, close to the limiting cylinder, of a limiting arm to move upwards, enabling one end, provided with a flattening block, of the limiting arm to move downwards, and flattening the flange at the position of a flange groove; opening the first welding robot, and performing primary spot welding on the flange groove by the welding head;

s4, a welding procedure, namely placing the flange on the first object placing table, opening a limiting cylinder to adjust the height of the second limiting block, and clamping the flange plate; and opening the second welding robot to weld the flange plates at the two ends of the groove.

The working principle is as follows: the full-automatic hot-rolling flange production line conveys flanges to a positioning device, a milling device and a welding device in sequence through a conveying mechanism, so that the flanges are produced;

when the flange plate blank is placed in the positioning circular truncated cone 12, the saw cut position of the flange plate blank approximately faces the inside of the positioning workbench 11, but is not at the preset position, at this time, the second positioning cylinder 151 drives the positioning plate 152 to perform telescopic motion, the positioning plate 152 is driven to be clamped at the saw cut position at the top of the flange plate blank roll, then the driving cylinder 141 drives the driving slider 143 to move on the driving slide rail 142, so that the positioning plate 152 drives the flange blank to rotate, if the seam-finding sensor 153 senses the saw cut, the saw cut reaches the preset position, at this time, the driving cylinder 141 stops working, the conveying mechanism conveys the flange blank to the production station where the milling device is located, and the milling process is performed;

after milling work platform 21 is arranged in to the flange blank, mill after inductor 24 senses the top kerf position, start milling motor 221 and milling motor 231 down, drive milling cutter 222 and milling cutter 232 down respectively and rotate, the kerf that cuts the flange blank becomes the groove that has certain inclination, accomplish the cutting back, the ring flange of groove both sides is owing to be the state of lapping before, can cause the height that highly is higher than the groove opposite side of groove one side, form the difference in height, cause inconveniently for subsequent welding, consequently need use conveying mechanism to transport the ring flange to first welding set on, the spot welding process flattens.

When the flanges are placed on the three groups of first object placing tables 344, the first limiting cylinder 341 is opened, the first limiting cylinder 341 drives one end of the limiting arm 342 to move upwards, the limiting arm 342 is rotationally clamped on the limiting frame 345, so that one end of the limiting arm 342 provided with the flattening block 343 moves downwards to flatten the flange at the groove of the flange, then the first welding robot 32 is opened, the welding head performs primary spot welding on the groove of the flange, the flanges at two ends of the groove are positioned at the same height, and the flange can be conveniently welded and fixed by the next production station;

on placing three spacing platforms 45 of group with the flange, open the height of spacing cylinder 43 adjustment second stopper 44, carry out the joint to the ring flange, conveniently weld, then open second welding robot 42, weld the ring flange at groove both ends, accomplish the welding production of flange.

The above detailed description of the embodiments of the present invention is only the preferred embodiments of the present invention, and the embodiments of the present invention should not be considered as limiting the scope of the present invention, and all the equivalent changes and improvements made in the application scope of the present invention should still belong to the scope of the present invention.

Claims (8)

1. The utility model provides a full-automatic hot rolling flange production line, includes truss (6), its characterized in that: the device also comprises a conveying mechanism arranged at the top of the truss (6) and a flange production station arranged at the lower part of the conveying mechanism; the flange production station sequentially comprises a positioning device for positioning a saw cut of a flange plate blank, a milling device for milling the saw cut of the flange plate and a welding device for welding the flange;

the welding device sequentially comprises a first welding device for flattening and spot welding of the flange plate and a second welding device for welding the groove of the flange plate.

2. The full-automatic hot-rolling flange production line according to claim 1, characterized in that: the positioning device is arranged on the positioning workbench (11) and comprises a positioning component, a driving component and a seam searching component; the middle part of the positioning workbench (11) is fixedly provided with three positioning round tables (12), and the positioning assemblies are distributed along the center of the positioning round tables (12); the driving assembly is arranged on the positioning workbench (11) and located between two groups of positioning assemblies close to one side of the milling device, and the seam searching assembly is arranged on the upper portion of the driving assembly.

3. The full-automatic hot-rolling flange production line according to claim 2, characterized in that: the positioning assembly comprises a positioning air cylinder (131), a positioning slide rail (132), a positioning slide block (133) and a positioning column (134), the positioning slide rail (132) is fixedly arranged on the positioning workbench (11), the positioning slide block (133) is connected to the positioning slide rail (132) in a sliding manner, the positioning column (134) is fixedly arranged at one end, close to the positioning circular truncated cone, of the positioning slide block (133), the positioning air cylinder (131) is further fixedly arranged on the positioning circular truncated cone (12), and the output end of the positioning air cylinder (131) is fixedly connected with the positioning slide block (133);

the driving assembly comprises a driving air cylinder (141), a driving sliding rail (142) and a driving sliding block (143), the driving sliding rail (142) and the driving air cylinder (141) are arranged on the positioning workbench (11) in parallel, the output end of the driving air cylinder (141) is fixedly connected with the driving sliding block (143), the bottom of the driving sliding block (143) is connected to the driving sliding rail (142) in a sliding mode, and the top of the driving sliding block (143) is connected with the seam searching assembly;

the seam searching assembly comprises a second positioning cylinder (151) and a positioning plate (152), the second positioning cylinder (151) is fixedly connected with the top of the driving sliding block (143) through a connecting frame, and the output end of the second positioning cylinder (151) is fixedly connected with the positioning plate (152).

4. The full-automatic hot-rolling flange production line according to claim 1, characterized in that: the milling device is arranged on a milling workbench (21) and comprises an upper milling assembly, a lower milling assembly and a milling inductor (24); the milling inductor is fixedly arranged on a truss at the upper part of the milling workbench (21), and an induction part of the milling inductor (24) is positioned above an opening (25) on the milling workbench (21).

5. The full-automatic hot-rolling flange production line according to claim 4, characterized in that: the upper milling assembly is arranged above the milling workbench (21) and comprises an upper milling motor (221) and an upper milling cutter (222), the upper milling motor (221) is fixedly arranged on the milling workbench (21), and the upper milling motor (221) is connected with the upper milling cutter (222) through a transmission piece;

the lower milling assembly is arranged below the milling workbench (21) and comprises a lower milling motor (231) and a lower milling cutter (232), the lower milling motor (231) is fixedly arranged on the milling workbench (21), and the lower milling motor (231) is connected with the lower milling cutter (232) through a transmission part;

the cutting head of the upper milling cutter (222) is located between the opening (25) and the milling inductor (24); the cutter head of the lower milling cutter (232) is kept in a parallel state with the cutter head of the upper milling cutter (222) after passing through the opening (25).

6. The full-automatic hot-rolling flange production line according to claim 1, characterized in that: the first welding device comprises a first limiting mechanism and a first welding robot (32), the first limiting mechanism is positioned on the first welding workbench (31), and the first welding robot (32) is positioned on one side of the first welding workbench (31); the first limiting mechanism comprises a first sliding limiting assembly and a first limiting assembly;

the first sliding limiting assembly comprises first limiting slide rails (331), first slide blocks (332) and limiting clamping columns (333), the first limiting slide rails (331) are provided with two groups and are fixedly arranged on the first welding workbench (31) in parallel, the first slide blocks (332) are connected between the two groups of first limiting slide rails (331) in a sliding mode, and the limiting clamping columns (333) are fixedly arranged on the first slide blocks (332);

the first limiting assembly comprises a first limiting cylinder (341), a limiting arm (342), a flattening block (343) and a first object placing table (344), the first object placing table (344) is fixedly arranged on the first welding workbench (31), a limiting frame (345) is arranged on one side, away from a first limiting sliding rail, of the first object placing table (344), the limiting arm (342) is rotatably connected to the limiting frame (345), the flattening block (343) is arranged at the bottom of the limiting arm, and the flattening block (343) is located at the upper part of the first object placing table (344); one end, far away from the first object placing table, of the limiting arm (342) is rotatably connected to the output end of the first limiting cylinder (341) through a connecting frame, and the first limiting cylinder (341) is fixedly arranged between the first welding workbench (31) and the first welding robot (32); the first limiting assemblies are provided with two groups.

7. The full-automatic hot-rolling flange production line according to claim 1, characterized in that: the second welding device comprises a second limiting mechanism and a second welding robot (42); the second limiting mechanism is arranged on a second welding workbench (41), the second welding robot (42) is located on one side of the second welding workbench (41), and the second limiting mechanism comprises a second sliding limiting assembly and a second limiting assembly;

the second sliding limiting assembly comprises a second sliding rail (431), a second sliding block (432), a limiting air cylinder (43) and a second limiting block (44), the second sliding rail (431) is provided with two groups which are arranged on the second welding workbench (41) in parallel, the second sliding block (432) is connected between the two groups of second sliding rails (431) in a sliding mode, the limiting air cylinder (43) is fixedly connected onto the second sliding block (432), the output end of the limiting air cylinder (43) is connected with the second limiting block (44), and one side, close to the welding robot, of the second sliding block (432) is also fixedly provided with the limiting table (45);

the second limiting assembly comprises a limiting cylinder (43), a second limiting block (44) and a limiting table (45), the limiting cylinder (43) is fixedly arranged on the second welding workbench (41), the output end of the limiting cylinder (43) is fixedly connected with the second limiting block (44), and the limiting table (45) is fixedly arranged beside the limiting cylinder (43) close to one side of the second sliding rail; the second limiting assemblies are provided with two groups.

8. The full-automatic hot-rolling flange production line according to claim 1, characterized in that: conveying mechanism with truss (6) slide and link to each other, conveying mechanism is equipped with three groups altogether, and adjacent two sets of link to each other through synchronizing bar (51) between the conveying mechanism, conveying mechanism includes height adjusting part, width adjusting part and snatchs the subassembly.

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