CN110587319B - Automatic production line for processing forklift portal channel steel - Google Patents
Automatic production line for processing forklift portal channel steel Download PDFInfo
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- CN110587319B CN110587319B CN201910907102.4A CN201910907102A CN110587319B CN 110587319 B CN110587319 B CN 110587319B CN 201910907102 A CN201910907102 A CN 201910907102A CN 110587319 B CN110587319 B CN 110587319B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 217
- 239000010959 steel Substances 0.000 title claims abstract description 217
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000003466 welding Methods 0.000 claims abstract description 48
- 238000003754 machining Methods 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims description 74
- 210000000078 claw Anatomy 0.000 claims description 28
- 238000003825 pressing Methods 0.000 claims description 26
- 239000003638 chemical reducing agent Substances 0.000 claims description 14
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 4
- 238000005056 compaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/06—Metal-working plant comprising a number of associated machines or apparatus
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Abstract
The invention provides an automatic production line for machining channel steel of a forklift portal, which comprises a first machining center for machining screw holes of channel steel in a vertical state, a first positioning die for fixing the channel steel in the vertical state, a second machining center for machining shaft holes of the channel steel in a transverse state, a second positioning die for fixing the channel steel in the transverse state, a channel steel overturning center for converting the channel steel between the vertical state and the transverse state, a guide roller way for conveying the channel steel to the first positioning die, a roller shaft welding station for welding a roller shaft to the channel steel, and a clamping roller way for conveying the channel steel machined by the second machining center to the roller shaft welding station. According to the invention, through reasonable arrangement of the first machining center, the channel steel overturning center, the second machining center and the roller shaft welding station, four processes of channel steel screw hole machining, channel steel state overturning, channel steel shaft hole machining and roller shaft welding are completed, and channel steel machining and welding efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of channel steel machining, and particularly relates to an automatic production line for forklift portal channel steel machining.
Background
The forklift portal channel steel is divided into an inner portal channel steel and an outer portal channel steel, the cross section of the channel steel is U-shaped, two mutually perpendicular surfaces of the U-shaped channel steel are provided with surfaces to be processed, a roller shaft is welded on the processed channel steel, each portal channel steel is finished through three working procedures before a welding piece formed by welding each portal channel steel and the roller shaft, and the working procedures of middle parts are circulated, so that manpower and material resources are wasted in transportation; meanwhile, the production efficiency is low, and the processing quality is difficult to ensure.
Disclosure of Invention
The invention aims to provide an automatic production line for processing forklift mast channel steel, so as to overcome the technical problems.
The technical aim of the invention is realized by the following technical scheme:
The automatic production line for processing the channel steel of the forklift portal comprises a first processing center and a first positioning die, wherein the first processing center is used for processing screw holes of the channel steel in a vertical state, and the first positioning die is connected to a machine tool of the first processing center and used for fixing the channel steel in the vertical state; the second machining center is used for machining the shaft holes of the channel steel in the transverse state, and the second positioning position is connected to a machine tool of the second machining center and used for fixing the channel steel in the transverse state; the channel steel overturning center is positioned between the first machining center and the second machining center and is used for converting the channel steel between a vertical state and a transverse state; the guide roller way is used for guiding and conveying the channel steel in the vertical state to the first positioning die; the roller shaft is welded and is used for welding the roller shaft to the channel steel processed by the second processing center; and the clamping roller way is used for conveying the channel steel processed by the second processing center to a roller shaft welding station and clamping and fixing the channel steel.
Further, the first positioning die comprises a fixed plate fixedly connected to the machine tool of the first machining center and a plurality of hydraulic carrier rollers fixedly connected to the fixed plate along the advancing direction of the channel steel, the fixed plate is connected with side limiting pieces and clamping pieces distributed among the plurality of hydraulic carrier rollers, the side limiting pieces are used for limiting the side faces of the channel steel, the clamping pieces are used for clamping the side faces of the channel steel, an end face limiting piece used for limiting one end of the channel steel is connected to the fixed plate at the tail end of the advancing direction of the channel steel, and a pressing piece used for pressing the channel steel to the hydraulic carrier rollers is fixedly connected to the fixed plate.
Further, the side limiting piece comprises a U-shaped plate fixedly connected to the fixing plate and limiting rollers connected to two ends of the U-shaped plate and arranged transversely, and the channel steel is positioned in the U-shaped plate; the clamping piece comprises a centering vice fixedly connected to the fixing plate and clamping blocks connected to two movable ends of the centering vice; the end surface limiting piece comprises a bushing fixedly connected to the fixed plate and a sliding rod connected to the fixed plate in a sliding way through the bushing, the upper end of the sliding rod is fixedly connected with a limiting stop block, and the movable end of the fixed plate, connected with a linear cylinder, is connected to the lower end surface of the limiting stop block; the compressing piece comprises a rotary oil cylinder fixedly connected to the fixed plate and a compressing block fixedly connected to the movable end of the rotary oil cylinder.
Further, the second positioning die comprises a connecting plate connected to a machine tool of the second machining center, and a roller way group used for conveying channel steel, a vice structure used for clamping two sides of the channel steel, a rotary oil cylinder structure used for pressing the channel steel on the roller way group and an end limiting structure used for limiting one end of the channel steel are fixedly connected to the connecting plate.
Further, the channel steel overturning center comprises a supporting bottom plate, a transverse moving mechanism, a vertical moving mechanism rotating mechanism and a hydraulic clamp=, wherein the transverse moving mechanism is fixedly connected to the supporting bottom plate and used for enabling the vertical moving mechanism connected with the transverse moving mechanism to transversely move, the vertical moving mechanism is used for enabling the rotating mechanism connected with the vertical moving mechanism to vertically move, the rotating mechanism is used for enabling a hydraulic clamp assembly fixedly connected with the rotating mechanism to rotationally move, and the hydraulic clamp assembly is used for clamping channel steel needing overturning.
Further, the transverse moving mechanism comprises two sliding rail supporting plates which are connected on the supporting bottom plate and are parallel to each other, a first sliding rail which is connected on the sliding rail supporting plates, a first sliding block which is connected on the first sliding rail in a sliding way, a first electric wire which is positioned between the two sliding rail supporting plates and is connected on the supporting bottom plate, a first screw rod which is connected on the first motor and is parallel to the sliding rail supporting plates, and a first screw rod nut which is connected on the first screw rod and can move back and forth, and the vertical moving mechanism is fixedly connected with the first screw rod nut and is connected with the first sliding block; the vertical moving mechanism comprises an L-shaped connecting frame connected with the horizontal moving mechanism, a second motor connected with a bottom plate of the L-shaped connecting frame, second sliding rails fixedly connected on a vertical plate of the L-shaped connecting frame and parallel to each other, second sliding blocks connected with the second sliding rails in a sliding mode, a speed reducer arranged between the two second sliding rails and connected with the second motor, a second screw rod connected with the speed reducer, and a second screw rod nut connected with the second screw rod, wherein the rotating mechanism is connected with the second screw rod nut and the vertical sliding blocks.
Further, the rotating mechanism comprises a connecting frame connected with the vertical moving mechanism, a rotating connecting plate fixedly connected with the connecting frame, a third motor fixedly connected on one side of the rotating connecting plate, a synchronous belt assembly positioned on the other side of the rotating connecting plate and connected with the third motor through a first rotating shaft, a harmonic reducer positioned on the same side of the third motor and connected with the synchronous belt assembly through a second rotating shaft, and a slewing bearing fixedly connected on the rotating connecting plate and movably connected with the harmonic reducer, wherein the hydraulic clamp assembly is fixedly connected on the slewing bearing; the hydraulic clamp assembly comprises a clamp support connected to the slewing bearing, a hydraulic centering vice fixedly connected to the clamp support, two groups of rotary clamping blocks which are oppositely arranged on the hydraulic centering vice and used for clamping channel steel, and a rotary joint fixedly connected to the rotary mechanism, and the rotary joint is connected with the hydraulic centering vice through a high-pressure rubber pipe.
Further, the guide roller way comprises a supporting frame, a conveying roller way and a plurality of guide structures, wherein the conveying roller way is connected to the supporting frame and used for conveying channel steel, the guide structures are connected to the supporting frame and used for guiding the channel steel in conveying, each guide structure comprises a transverse connecting plate fixedly connected to the supporting frame, a large-mouth mechanical clamp fixedly connected to the transverse connecting plate, clamp connecting blocks connected to two movable ends of the large-mouth mechanical clamp, and guide rollers connected to the clamp connecting blocks and arranged transversely, and the distance between the circle centers of the guide rollers of the guide structures and the circle centers of the guide rollers of the adjacent guide brackets is not greater than the length of the channel steel.
Further, the roller axle welding station includes a magazine for providing roller axles and axle protective sleeves; the conveying robot is used for conveying the roller shafts in the storage bin to the channel steel positioned on the clamping roller way and pressing the roller shafts on the channel steel; the welding robot is used for welding the roller shaft pressed by the carrying manipulator on the channel steel; the carrying manipulator comprises a supporting underframe, a manipulator connected to the supporting underframe, and a manipulator claw which is connected with the manipulator and used for grabbing a roller shaft and a shaft protection sleeve and rotates along with the manipulator, wherein the manipulator claw comprises a telescopic cylinder, a U-shaped connecting plate, a gas claw connecting plate, a pressing plate, a gas claw I, a gas claw II and a connecting rod, the gas claw connecting plate is fixedly connected to the movable end of the telescopic cylinder, one side plate of the U-shaped connecting plate is fixedly connected to the telescopic cylinder, the bottom plate of the U-shaped connecting plate is parallel to the telescopic direction of the telescopic cylinder, two gas claws II are arranged and are connected to the outer side of the bottom plate of the U-shaped connecting plate side by side, one gas claw is connected to the gas claw connecting plate and faces the other side plate of the U-shaped connecting plate, and the pressing plate is positioned in the gas claw I and fixedly connected with the gas claw connecting plate through the connecting rod.
Further, the clamping roller way comprises a roller way support frame, a roller way conveying group connected to the roller way support frame, a driving assembly for driving the roller way conveying group to rotate, a lifting limiting part fixedly connected to the roller way support frame and positioned at the tail end of the conveying direction of the roller way conveying group, and a channel steel clamping part connected to the roller way support frame and used for clamping channel steel limited by the lifting limiting part, wherein the roller axle welding station is used for welding a roller axle to the clamped channel steel.
The beneficial effects are that:
1. According to the invention, through the action of the guide roller way, the channel steel in the vertical state can enter the first positioning die along the fixed moving track, so that the first positioning die can better limit and clamp the channel steel;
2. According to the invention, the limit and the clamping of the channel steel in the vertical state and the channel steel in the horizontal state are respectively realized through the first positioning die and the second positioning die;
3. According to the invention, the channel steel placing state is automatically turned over through the set channel steel turning center;
4. According to the invention, the welding of the roller shaft is rapidly completed through the welding robot and the carrying robot which are respectively arranged at the two sides of the clamping roller way;
5. According to the invention, through reasonable arrangement of the first machining center, the channel steel overturning center, the second machining center and the roller shaft welding station, four technological processes of channel steel screw hole machining, channel steel state overturning, channel steel shaft hole machining and roller shaft welding are sequentially completed, and channel steel machining and welding efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the guiding roller table in FIG. 1;
FIG. 3 is a schematic view of the first positioning mold in FIG. 1;
FIG. 4 is a schematic view of a second positioning mold in FIG. 1;
fig. 5 is a schematic structural view of the channel steel turning center in fig. 1;
FIG. 6 is a schematic view of the lateral shifting mechanism of FIG. 5;
FIG. 7 is a schematic view of the vertical movement mechanism of FIG. 5;
FIG. 8 is a schematic view of the rotary mechanism of FIG. 5;
FIG. 9 is a schematic view of the roller axle welding station of FIG. 1;
fig. 10 is a schematic view of the transfer robot of fig. 9;
FIG. 11 is a schematic view of the manipulator claw of FIG. 10;
FIG. 12 is a schematic view of the structure of the clamping roller table in FIGS. 1 and 9;
In the figure: 100. a first machining center; 200. a first positioning die; 210. a fixing plate; 220. a hydraulic carrier roller; 230. a side limiting member; 231. a U-shaped plate; 232. limiting idler wheels; 240. a clamping member; 241. centering vice; 242. a clamping block; 250. an end surface limiting piece; 251. a bushing; 252. a slide bar; 253. a limit stop; 254. a linear cylinder; 260. a pressing member; 261. a rotary cylinder; 262. a compaction block; 300. a second machining center; 400. a second positioning die; 410. a connecting plate; 420. a roller way group; 430. a vice structure; 440. a rotary cylinder structure; 450. an end limiting structure; 500. channel steel overturning centers; 510. a support base plate; 520. a lateral movement mechanism; 521. a slide rail support plate; 522. a first slide rail; 523. a first slider; 524. a first motor; 525. a first screw rod; 530. a vertical movement mechanism; 531. an L-shaped connecting frame; 531-1, bottom plate; 531-2, risers; 531-3, a screw rod connecting seat; 532. a second motor; 533. a second slide rail; 534. a second slider; 535. a speed reducer; 536. a second screw rod; 537. a second lead screw nut; 540. a rotation mechanism; 541. a connecting frame; 541-1, a nut seat; 541-2, slider connecting bars; 542. rotating the connecting plate; 543. a third motor; 544. a timing belt assembly; 544-1, pinion; 544-2, a rack; 544-3, a large gear; 545. a harmonic speed reducer; 546. a slewing bearing; 550. a hydraulic clamp assembly; 600. a guide roller way; 610. a support frame; 620. a conveying roller way; 630. a guide structure; 631. a transverse connection plate; 632. a large mouth mechanical clamp; 633. a clamp connecting block; 634. a guide roller; 700. a roller axle welding station; 710. a storage bin; 720. a carrying manipulator; 721. a support chassis; 722. a mechanical arm; 723. a mechanical gripper; 723-1, a telescopic cylinder; 723-2, U-shaped connection plates; 723-3, a gas claw connecting plate; 723-4, a pressing plate; 723-5, first pneumatic claw; 723-6, gas claw two; 723-7, connecting rods; 730. a welding robot; 800. clamping a roller way; 810. a roller way support frame; 820. a roller way conveying group; 830. lifting limiting pieces; 840. a channel steel clamping piece; 900. and (5) conveying the roller way.
Detailed Description
In the description of the present invention, unless otherwise indicated, the terms "upper," "lower," "left," "right," "front," "rear," and the like are merely for the purpose of describing the present invention and simplifying the description, and do not indicate or imply that the devices or structures being referred to must have a particular orientation and are not to be construed as limiting the invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The invention discloses an automatic production line for processing forklift portal channel steel, which comprises a first processing center, a first positioning die, a second processing center, a second positioning die, a channel steel overturning center, a guide roller way, a roller shaft welding station and a clamping roller way, wherein the first processing center is used for processing a screw hole of the channel steel in a vertical state, the first positioning die is connected to a machine tool of the first processing center and is used for fixing the channel steel in the vertical state, the second processing center is used for processing a shaft hole of the channel steel in a transverse state, the second positioning die is connected to the machine tool of the second processing center and is used for fixing the channel steel in the transverse state, the channel steel overturning center is positioned between the first processing center and the second processing center and is used for converting the channel steel between the vertical state and the transverse state, the guide roller way is used for conveying the channel steel in the vertical state to the first positioning die, the clamping roller way is used for conveying the channel steel processed by the second processing center to the roller shaft welding station and clamping and fixing the channel steel in the transverse state, and the roller shaft welding station is used for welding the channel steel in the transverse state. It should be noted that, as shown in fig. 3, the compressed channel steel is a channel steel in a vertical state, and as shown in fig. 4, the compressed channel steel is a channel steel in a horizontal state.
As shown in fig. 1, in the preferred arrangement mode of the present invention, a first machining center, a channel steel turning center, a second machining center, a clamping roller way and a roller shaft welding station are sequentially arranged from a guiding roller way, the guiding roller way is used for conveying channel steel in a vertical state to a first positioning die of the first machining center, two sides of the channel steel turning center are respectively provided with a conveying roller way 900, the channel steel machined by the first machining center is conveyed to the channel steel turning center through the conveying roller way on one side of the channel steel turning center, the channel steel turning center turns the channel steel from the vertical state to a transverse state, the channel steel is conveyed to a second positioning die of the second machining center through the conveying roller way on the other side of the channel steel turning center, the channel steel machined by the second machining center is conveyed to the vicinity of the roller shaft welding station through the clamping roller way, at this time, the clamping roller way clamps and fixes the channel steel, and the roller shaft welding station places the roller shaft on the channel steel, and assembles the channel steel and the roller shaft.
As shown in fig. 2, the guiding roller way comprises a supporting frame on the ground, the supporting frame is connected with a conveying roller way for conveying channel steel and a plurality of guiding structures for guiding channel steel in conveying along the conveying direction of the conveying roller way, the guiding structures are fixedly connected with the supporting frame, wherein the conveying roller way comprises a row of roller groups connected with the supporting frame and roller group driving pieces connected with the supporting frame and used for driving the roller groups to rotate, one end of each roller group is connected with two gears, the two gears are respectively connected with gears on the adjacent roller groups through racks, and the gears on the two roller groups on one row of roller groups are connected with a motor through chains, so that the roller groups are rotated; the guide structure comprises a transverse connecting plate fixedly connected to the supporting frame, a large-mouth mechanical clamp arranged between the supporting frame is connected to the transverse connecting plate, two movable ends of the large-mouth mechanical clamp are respectively connected with a clamp connecting block, each clamp connecting block is transversely connected with a guide roller, the channel steel in the vertical state is located between the two guide rollers, the two guide rollers move towards the channel steel under the action of the large-mouth mechanical clamp, the purpose of guiding the channel steel in the vertical state is achieved through the combined action of the two guide rollers, based on the purpose, the distance between the circle centers of the guide rollers of the guide structure and the circle centers of the guide rollers of the adjacent guide brackets is not greater than the length of the channel steel, and therefore the channel steel is continuously guided through the guide structure arranged in a row.
As shown in fig. 3, the first positioning mold comprises a fixing plate fixedly connected to the first machining center machine tool, and a plurality of hydraulic carrier rollers fixedly connected to the fixing plate side by side along the advancing direction of the channel steel, wherein the hydraulic carrier rollers are used for conveying the channel steel in a vertical state forwards, the fixing plate is connected with side limiting pieces and clamping pieces distributed among the hydraulic carrier rollers, the side limiting pieces are used for limiting the side surfaces of the channel steel, the fixing plate comprises a U-shaped plate fixedly connected to the fixing plate, and a pair of limiting rollers connected to two ends of the U-shaped plate and transversely arranged, the channel steel is positioned in the U-shaped plate, and the pair of limiting rollers are used for limiting and guiding the channel steel in the U-shaped plate; the clamping piece is used for clamping the side face of the channel steel and comprises a pair of centering vices fixedly connected to the fixing plate and a pair of clamping blocks connected to two movable ends of the centering vices, and the movable ends of the centering vices move inwards to enable the pair of clamping blocks to clamp the channel steel in a vertical state; the end face limiting part is connected to the tail end of the fixed plate along the channel steel in the advancing direction and comprises a bushing fixedly connected to the fixed plate and a sliding rod connected to the fixed plate in a sliding manner through the bushing, a limiting stop is fixedly connected to the upper end of the sliding rod, the fixed plate is connected with a linear cylinder, the movable end of the linear cylinder is connected to the lower end face of the limiting stop, therefore, the limiting stop can move up and down through the linear cylinder, when the channel steel in the vertical state advances to the end face limiting part along the conveying direction of the hydraulic carrier roller, the limiting stop prevents the channel steel from advancing, limiting is achieved, and after the processing of the vertical channel steel on the first positioning die is completed, the limiting stop moves downwards under the action of the linear cylinder, and the limiting channel steel can continue advancing; the fixed plate is fixedly connected with a compressing piece for compressing the channel steel on the hydraulic carrier roller, the compressing piece comprises a rotary oil cylinder fixedly connected to the fixed plate and a compressing block fixedly connected to the movable end of the rotary oil cylinder, and the compressing block can apply downward acting force to the channel steel through rotation and downward pressing of the rotary oil cylinder. In summary, the channel steel in the vertical state moves along the hydraulic carrier roller, the position of the channel steel is limited through the side limiting piece and the end surface limiting piece, and the channel steel is transversely fixed and vertically fixed through the clamping piece and the pressing piece.
As shown in fig. 4, the second positioning mold comprises a connecting plate connected to a machine tool of the second machining center, and a roller way group for conveying channel steel, a vice structure for clamping two sides of the channel steel, a rotary oil cylinder structure for pressing the channel steel on the roller way group, and an end limiting structure for limiting one end of the channel steel are fixedly connected to the connecting plate, wherein the roller way group is identical to a hydraulic carrier roller structure of the first positioning mold; the vice structure is the same as the structure of the clamping piece, and the first positioning die and the second positioning die are respectively used for processing the channel steel in the vertical state and the transverse state, so that the clamping blocks respectively arranged on the vice structure and the clamping piece are adjusted to be in proper shapes according to the state of the channel steel; the rotary oil cylinder structure and the pressing piece adopt the same structure, and the proper shape of the pressing blocks respectively arranged on the rotary oil cylinder structure and the pressing piece is adjusted according to the state of the channel steel based on the same originality as the vice structure; the end limiting structure is identical to the end surface limiting part in structure. In summary, the second positioning die carries out the transportation of the channel steel of horizontal state through the bearing roller group, and end limit structure carries out spacingly to the position of channel steel, rotatory hydro-cylinder structure and vice structure compress tightly fixedly on horizontal and the vertical of channel steel respectively.
As shown in fig. 5, the channel steel overturning center comprises a supporting bottom plate, a transverse moving mechanism, a vertical moving mechanism, a rotating mechanism and a hydraulic clamp assembly, wherein the transverse moving mechanism is fixedly connected to the supporting bottom plate and used for enabling the vertical moving mechanism connected with the transverse moving mechanism to transversely move, the vertical moving mechanism is used for enabling the rotating mechanism connected with the vertical moving mechanism to vertically move, the rotating mechanism is used for enabling the hydraulic clamp assembly fixedly connected with the rotating mechanism to rotationally move, the hydraulic clamp assembly is used for clamping channel steel to be overturned, the channel steel is clamped through the hydraulic clamp assembly, the rotating mechanism drives the hydraulic clamp assembly and the channel steel to rotate, and transverse and vertical movement of the rotating mechanism is achieved through the transverse moving mechanism and the vertical moving mechanism.
As shown in fig. 6, the lateral movement mechanism includes two parallel slide rail supporting plates connected to the supporting base plate, a first slide rail connected to the slide rail supporting plates, a first slide block slidingly connected to the first slide rail, a first motor positioned between the two slide rail supporting plates and connected to the supporting base plate, a first screw rod connected to the first motor and parallel to the slide rail supporting plates, and a first screw rod nut connected to the first screw rod and capable of moving back and forth, and the vertical movement mechanism is fixedly connected with the first screw rod nut and fixedly connected with the first slide block, so that the first screw rod nut is driven to rotate by the first motor, and the vertical movement mechanism moves laterally along the first slide rail under the action of the first slide block, thereby driving the vertical movement mechanism, the rotation mechanism and the hydraulic clamp assembly to move laterally; as shown in fig. 7, the vertical moving mechanism comprises an L-shaped connecting frame connected with a first sliding block and a first screw nut, the L-shaped connecting frame 531 comprises a bottom plate 531-1, a vertical plate 531-2 and a screw rod connecting seat 531-3 positioned below the bottom plate, the screw rod connecting seat is fixedly connected with the first screw nut, the bottom plate is fixedly connected with the first sliding block, a second motor is connected to the bottom plate, second sliding rails parallel to each other are fixedly connected to the vertical plate of the L-shaped connecting frame, a second sliding block is connected to the second sliding rails in a sliding manner, a speed reducer connected with the second motor is arranged between the two second sliding rails, a vertical second screw rod is connected to the speed reducer, a second screw rod nut is connected to the second screw rod, and the rotating mechanism is connected with the second screw rod nut and the second sliding block, so that the second screw rod nut is driven to rotate through the second motor, and then the rotating mechanism is driven to vertically move along the second sliding rails, and the hydraulic clamp assembly is driven to vertically move.
As shown in fig. 8, the rotating mechanism includes a connecting frame connected with a second screw nut and a second slider, a rotating connecting plate fixedly connected with the connecting frame, a third motor fixedly connected on one side of the rotating connecting plate, a synchronous belt assembly positioned on the other side of the rotating connecting plate and connected with the third motor through a first rotating shaft, a harmonic speed reducer positioned on the same side of the third motor and connected with the synchronous belt assembly through a second rotating shaft, and a slewing bearing fixedly connected with the rotating connecting plate and movably connected with the harmonic speed reducer, the connecting frame 541 includes a nut seat 541-1 for connecting with the second screw nut and a slider connecting strip 541-2 positioned on two sides of the nut seat and used for connecting with the second slider, the nut seat and the slider connecting strip are fixedly connected with the rotating connecting plate, the synchronous belt assembly 544 includes a pinion 544-1, a large gear 544-3 and a rack 544-2, the pinion is connected with the first rotating shaft, the large gear is connected with the second rotating shaft, and the hydraulic clamp assembly is fixedly connected with the slewing bearing; as shown in fig. 5, the hydraulic clamp assembly comprises a clamp support connected to a slewing bearing, a hydraulic centering vice fixedly connected to the clamp support, two sets of rotary clamping blocks connected to the hydraulic centering vice and used for clamping channel steel, and a rotary joint fixedly connected to a rotary mechanism, wherein the rotary joint is connected with the hydraulic centering vice through a high-pressure rubber pipe, and therefore clamping of the channel steel is achieved through the two sets of rotary clamping blocks on the hydraulic centering vice.
As shown in fig. 9, the roller shaft welding station comprises a bin, a carrying robot and a welding robot, wherein the bin is used for providing roller shafts and shaft protection sleeves, the carrying robot is used for carrying the roller shafts in the bin onto the channel steel positioned on the clamping roller way and pressing the roller shafts on the channel steel, and the welding robot is used for welding the roller shafts pressed by the carrying robot on the channel steel; as shown in fig. 10, the handling manipulator includes a support chassis, a manipulator connected to the support chassis and rotatable in any direction, and a gripper connected to the manipulator and rotatable with the manipulator for gripping the roller shaft and the shaft protection sleeve; as shown in fig. 11, the mechanical gripper includes a telescopic cylinder, a U-shaped connecting plate, a gas-gripper connecting plate, a pressing plate, a gas-gripper first, a gas-gripper second and a connecting rod, wherein the gas-gripper connecting plate is fixedly connected to the movable end of the telescopic cylinder, one side plate of the U-shaped connecting plate is fixedly connected to the telescopic cylinder, the bottom plate of the U-shaped connecting plate is parallel to the telescopic direction of the telescopic cylinder, at this time, a certain distance exists between the other side plate of the U-shaped connecting plate and the movable end of the telescopic cylinder, the gas-gripper second is provided with two gas-grippers and is connected to the outer side of the bottom plate of the U-shaped connecting plate side by side, one gas-gripper first is connected to the gas-gripper connecting plate and faces the other side plate of the U-shaped connecting plate, and the pressing plate is positioned in the gas-gripper first and is fixedly connected with the gas-gripper connecting plate through the connecting rod. From this, gas claw two can be used to press from both sides the epaxial protective sheath of feed bin and get to place the epaxial protective sheath of roller of feed bin in, gas claw one pair of roller shaft that has the axle protective sheath presss from both sides and gets, and through robotic arm effect, gas claw one places the roller shaft of getting of pressing from both sides on the channel-section steel, flexible cylinder removes this moment, realizes the compaction of roller shaft on the channel-section steel under the interact of clamp plate and U type connecting plate, carries out so far, can begin to weld processing to the channel-section steel.
As shown in fig. 12, the clamping roller way comprises a roller way supporting frame, a roller way conveying group connected to the roller way supporting frame, a driving assembly for driving the roller way conveying group to rotate, a lifting limiting piece fixedly connected to the roller way supporting frame and positioned at the tail end of the conveying direction of the roller way conveying group, and a channel steel clamping piece connected to the roller way supporting frame and used for clamping channel steel limited by the lifting limiting piece, wherein a roller shaft welding station is used for welding a roller shaft to the clamped channel steel; in the above, the driving assembly can refer to the structure of the roller way driving piece in the guiding roller way, the lifting type limiting piece can refer to the end face limiting piece in the first positioning die, the channel steel clamping piece can refer to the vice structure in the second positioning die, so that the welding position of the channel steel can be limited through the lifting type limiting piece, the channel steel clamping piece can clamp the limited channel steel, and then the step of the welding robot can be started.
The using process comprises the following steps:
The manual work or machinery arranges the channel-section steel in the direction roll table with vertical state, the channel-section steel removes along the direction roll table, and remove to first positioning die along the guide track of guide structure, first positioning die is with the channel-section steel on the processing position, first machining center carries out screw processing to the channel-section steel, the processing is accomplished the channel-section steel and is moved to channel-section steel upset center direction under the transfer roller way effect, set for the rotary mechanism of channel-section steel upset center, vertical moving mechanism and transverse moving mechanism's travel distance and rotation angle, make hydraulic clamp subassembly press from both sides the channel-section steel in channel-section steel forward direction, rotary mechanism, vertical moving mechanism and transverse moving mechanism start again, make the channel-section steel upset to transverse state, and make the channel-section steel after the upset follow the travel track before the upset through the transfer roller way and continue to move forward, until the channel-section steel moves to on the second positioning die, the second positioning die is with the channel-section steel on processing station, the second machining center carries out the shaft hole processing to the channel-section steel, the channel-section steel of accomplishing the shaft hole processing is carried to the vicinity of roll welding station through pressing from both sides, press from both sides tightly fixed to the channel-section steel welding robot, the roller shaft on the channel-section steel of the channel-section steel is placed on the channel-section steel through pressing from both sides, and the roller shaft welding robot is put together with the roller shaft on the roller shaft and is welded through the roller shaft, and is assembled together with the roller shaft and is accomplished and the roller.
The foregoing embodiments of the present invention have been described in some detail for purposes of clarity of understanding, and are not to be construed as limiting the scope of the invention. It should be noted that any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (6)
1. An automatic production line for processing forklift mast channel steel is characterized by comprising,
The device comprises a first machining center (100) and a first positioning die (200), wherein the first machining center is used for machining screw holes of channel steel in a vertical state, and the first positioning die is connected to a machine tool of the first machining center and used for fixing the channel steel in the vertical state;
The second machining center (300) is used for machining the shaft holes of the channel steel in the transverse state, and the second positioning position is connected to a machine tool of the second machining center and used for fixing the channel steel in the transverse state;
The channel steel overturning center (500) is positioned between the first machining center and the second machining center and is used for converting the channel steel between a vertical state and a transverse state;
the guide roller way (600) is used for guiding and conveying the channel steel in the vertical state to the first positioning die;
A roller shaft welding station (700) for welding the roller shaft to the channel steel finished by the second machining center;
The clamping roller way (800) is used for conveying the channel steel processed by the second processing center to a roller shaft welding station and clamping and fixing the channel steel;
The first positioning die comprises a fixedly connected plate (210) fixedly connected to a machine tool of the first machining center and a plurality of hydraulic carrier rollers (220) fixedly connected to the fixedly connected plate along the channel steel advancing direction, the fixedly connected plate is connected with side limiting pieces (230) and clamping pieces (240) distributed among the hydraulic carrier rollers, the side limiting pieces are used for limiting the side surfaces of the channel steel, the clamping pieces are used for clamping the side surfaces of the channel steel, an end face limiting piece (250) used for limiting one end of the channel steel is connected to the fixedly connected plate at the tail end of the fixedly connected plate along the channel steel advancing direction, and a pressing piece (260) used for pressing the channel steel on the hydraulic carrier rollers is fixedly connected to the fixedly connected plate;
The second positioning die comprises a connecting plate (410) connected to a machine tool of the second machining center, and a roller way group (420) for conveying channel steel, a vice structure (430) for clamping two sides of the channel steel, a rotary oil cylinder structure (440) for pressing the channel steel on the roller way group, and an end limiting structure (450) for limiting one end of the channel steel are fixedly connected to the connecting plate;
The channel steel overturning center comprises a supporting bottom plate (510), a transverse moving mechanism (520), a vertical moving mechanism (530), a rotating mechanism (540) and a hydraulic clamp assembly (550), wherein the transverse moving mechanism is fixedly connected to the supporting bottom plate, the transverse moving mechanism is used for enabling the vertical moving mechanism connected with the transverse moving mechanism to transversely move, the vertical moving mechanism is used for enabling the rotating mechanism connected with the vertical moving mechanism to vertically move, the rotating mechanism is used for enabling the hydraulic clamp assembly fixedly connected with the rotating mechanism to rotationally move, and the hydraulic clamp assembly is used for clamping channel steel to be overturned;
The roller axle welding station comprises,
-A magazine (710) for providing roller shafts and shaft protection sleeves;
The conveying mechanical arm (720) is used for conveying the roller shafts in the storage bin to the channel steel positioned on the clamping roller way and pressing the roller shafts on the channel steel;
A welding robot (730) for welding the roller shaft pressed by the carrying manipulator to the channel steel;
The carrying manipulator comprises a supporting underframe (721), a manipulator (722) connected to the supporting underframe, and a manipulator claw (723) connected with the manipulator arm and used for grabbing a roller shaft and a shaft protection sleeve and rotating with the manipulator arm, wherein the manipulator claw comprises a telescopic cylinder (723-1), a U-shaped connecting plate (723-2), a gas claw connecting plate (723-3), a pressing plate (723-4), a gas claw I (723-5), a gas claw II (723-6) and a connecting rod (723-7), the gas claw connecting plate is fixedly connected to the movable end of the telescopic cylinder, one side plate of the U-shaped connecting plate is fixedly connected to the telescopic cylinder, the bottom plate of the U-shaped connecting plate is parallel to the telescopic direction of the telescopic cylinder, two gas claws II are arranged on the outer side of the bottom plate of the U-shaped connecting plate, one gas claw connecting plate faces the other side plate of the U-shaped connecting plate, and the pressing plate is positioned in the gas claw I and fixedly connected with the gas claw connecting plate through the connecting rod.
2. An automated production line for processing forklift mast channel steel according to claim 1, wherein the side limiting member comprises a U-shaped plate (231) fixedly connected to the fixing plate, and limiting rollers (232) connected to two ends of the U-shaped plate and arranged transversely, and the channel steel is positioned in the U-shaped plate; the clamping piece comprises a centering vice (241) fixedly connected to the fixing plate and clamping blocks (242) connected to two movable ends of the centering vice; the end surface limiting piece comprises a bushing (251) fixedly connected to the fixed plate and a sliding rod (252) connected to the fixed plate in a sliding manner through the bushing, the upper end of the sliding rod is fixedly connected with a limiting stop (253), the fixed plate is connected with a linear cylinder (254), and the movable end of the linear cylinder is connected to the lower end surface of the limiting stop; the compressing piece comprises a rotary oil cylinder (261) fixedly connected to the fixed plate and a compressing block (262) fixedly connected to the movable end of the rotary oil cylinder.
3. An automated production line for processing forklift mast channel steel as claimed in claim 1, wherein the lateral movement mechanism comprises two slide rail support plates (521) connected to the support base plate in parallel with each other, a first slide rail (522) connected to the slide rail support plates, a first slider (523) slidingly connected to the first slide rail, a first motor (524) located between the two slide rail support plates and connected to the support base plate, a first screw rod (525) connected to the first motor and in parallel with the slide rail support plates, a first screw nut (526) connected to the first screw rod and movable back and forth; the vertical moving mechanism comprises an L-shaped connecting frame (531) connected with a first screw nut and fixedly connected with a first sliding block, a second motor (532) connected with a bottom plate of the L-shaped connecting frame, second sliding rails (533) fixedly connected with vertical plates of the L-shaped connecting frame and mutually parallel, second sliding blocks (534) connected with the second sliding rails in a sliding mode, a speed reducer (535) located between the two second sliding rails and connected with the second motor, a second screw rod (536) connected with the speed reducer, and a second screw rod nut (537) connected with the second screw rod, wherein the rotating mechanism is connected with the second screw rod nut and the second sliding blocks.
4. An automated production line for processing forklift mast channel steel according to claim 1, wherein the rotating mechanism comprises a connecting frame (541) connected with the vertical moving mechanism, a rotating connecting plate (542) fixedly connected with the connecting frame, a third motor (543) fixedly connected on one side of the rotating connecting plate, a synchronous belt assembly (544) positioned on the other side of the rotating connecting plate and connected with the third motor through a first rotating shaft, a harmonic reducer (545) positioned on the same side as the third motor and connected with the synchronous belt assembly through a second rotating shaft, and a slewing bearing (546) fixedly connected on the rotating connecting plate and movably connected with the harmonic reducer, wherein the hydraulic clamp assembly is fixedly connected on the slewing bearing; the hydraulic clamp assembly comprises a clamp support (551) connected to the slewing bearing, a hydraulic centering vice (552) fixedly connected to the clamp support, two groups of rotary clamping blocks (553) which are oppositely arranged on the hydraulic centering vice and are used for clamping channel steel, and a rotary joint (554) fixedly connected to the rotary mechanism, and the rotary joint is connected with the hydraulic centering vice through a high-pressure rubber tube (555).
5. An automated production line for processing forklift mast channel steel according to claim 1, wherein the guide roller way comprises a support frame (610), a conveying roller way (620) connected to the support frame for conveying channel steel, and a plurality of guide structures (630) connected to the support frame for guiding channel steel in conveying, wherein the guide structures comprise a transverse connecting plate (631) fixedly connected to the support frame, a large-mouth mechanical clamp (632) fixedly connected to the transverse connecting plate, clamp connecting blocks (633) connected to two movable ends of the large-mouth mechanical clamp, and guide rollers (634) connected to the clamp connecting blocks and transversely arranged, and the distance between the circle centers of the guide rollers of the guide structures and the circle centers of the guide rollers of the adjacent guide brackets is not greater than the length of the channel steel.
6. An automated production line for forklift mast channel steel processing as claimed in claim 1, wherein the clamping roller way comprises a roller way support frame (810), a roller way conveying group (820) connected to the roller way support frame, a driving assembly for driving the roller way conveying group to rotate, a lifting limiting member (830) fixedly connected to the roller way support frame and positioned at the tail end of the conveying direction of the roller way conveying group, and a channel steel clamping member (840) connected to the roller way support frame for clamping channel steel limited by the lifting limiting member, wherein the roller axle welding station welds a roller axle to the clamped channel steel.
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| CN111015059B (en) * | 2019-12-29 | 2024-06-21 | 陕西建工第三建设集团有限公司 | Pipeline and groove box mounting bracket die and mounting method |
| CN111515699B (en) * | 2020-04-22 | 2021-11-05 | 杭州叉车门架有限公司 | Automatic processing production line for channel steel |
| CN111633436B (en) * | 2020-07-08 | 2021-11-30 | 四川省富兴电力金具制造有限公司 | Automatic processing equipment and method for flat iron channel steel combination |
| CN113146112A (en) * | 2021-05-07 | 2021-07-23 | 孙桂玉 | Automatic production line for superposition welding of channel steel |
| CN114905277B (en) * | 2022-06-24 | 2024-04-16 | 济南莱米特金属制品有限公司 | Automatic assembling equipment for radiation-proof products |
| CN115385137B (en) * | 2022-09-01 | 2023-07-21 | 湖南鑫永生科技发展有限公司 | Automatic channel steel production line |
| CN115420081B (en) * | 2022-09-09 | 2023-10-03 | 杭州叉车门架有限公司 | Fork truck portal channel-section steel drainage device |
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