CN114769970B - Automatic assembling mechanism of steel tube bundle welding system - Google Patents
Automatic assembling mechanism of steel tube bundle welding system Download PDFInfo
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- CN114769970B CN114769970B CN202210573904.8A CN202210573904A CN114769970B CN 114769970 B CN114769970 B CN 114769970B CN 202210573904 A CN202210573904 A CN 202210573904A CN 114769970 B CN114769970 B CN 114769970B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
- B65G47/24—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles
- B65G47/248—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles by turning over or inverting them
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/82—Rotary or reciprocating members for direct action on articles or materials, e.g. pushers, rakes, shovels
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- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses an automatic assembling mechanism of a steel tube bundle welding system, wherein a fixed end surface alignment mechanism and an adjustable end surface alignment mechanism of the automatic assembling mechanism can realize the alignment function of a plurality of rectangular steel tubes with different lengths along the length direction; the feeding turnover mechanism is used for combining a plurality of rectangular steel pipes into a steel pipe bundle, and turning the steel pipe bundles from a horizontal position to a vertical position to realize the assembly of the steel pipe bundles, and each set of automatic steel pipe bundle assembly mechanism at least comprises 2 sets of feeding turnover mechanisms; the feeding mechanism advances the steel tube bundle from the tail end to the next station; the unpowered roller conveyor is positioned between two adjacent feeding turnover mechanisms and is used for supporting the steel tube bundles and preventing the steel tube bundles from being turned over during the pushing; the locking mechanism locks the U-shaped overturning arm when the U-shaped overturning arm is in a vertical state, so that the U-shaped overturning arm is prevented from being overturned accidentally. The invention realizes automatic assembly and alignment operation of the steel tube bundles, provides conditions for subsequent welding of the steel tube bundles, can effectively improve the welding efficiency of the steel tube bundles, reduces the labor cost and improves the labor productivity.
Description
Technical Field
The invention belongs to the field of automatic welding production lines of steel tube bundles of fabricated buildings, and particularly relates to an automatic assembling mechanism of a steel tube bundle welding system.
Background
The method that the building components and accessories manufactured in factories are directly assembled on the building site to form the building is one of the development trends of the future building industry because of the adoption of standardized design, industrial production, assembly construction and the like. The fabricated steel structure building is one of the main types of fabricated building, has the advantages of being light, fast and good in province, can improve building quality, is environment-friendly and energy-saving, reduces labor force, improves production efficiency and reduces construction cost, and is a direction of urban construction development in the future. Steel tube bundles are one of the main components of fabricated steel structure buildings, and are also the most used type of components.
In general, each row of steel tube bundles is formed by connecting a plurality of rectangular steel tubes, adjacent rectangular steel tubes are connected together through welding, the welding seam is very long, the welding workload is large, and the welding efficiency is a main factor influencing the production of the steel tube bundles. The assembly mechanism of steel tube bundle welding production line is the important factor that influences steel tube bundle welding efficiency, welding quality, and the production efficiency of the assembly mechanism of present steel tube bundle welding production line is lower, can't satisfy welding production line's needs, and lacks the end alignment mechanism of steel tube bundle, and then influences the welding production of steel tube bundle, adopts automatic steel tube bundle assembly mechanism, can effectively increase production efficiency, reduces the human cost.
Disclosure of Invention
In order to solve the technical problems, the invention provides an automatic assembling mechanism of a steel tube bundle welding system, which is used for improving the production efficiency of steel tube bundle assembling and reducing the production cost, and the technical scheme is as follows:
an automatic assembling mechanism of a steel tube bundle welding system is arranged at the front end of a steel tube bundle welding production line and is used for combining and aligning a plurality of rectangular steel tubes into a steel tube bundle and feeding the rear end of the steel tube bundle welding production line, and the automatic assembling mechanism specifically comprises a feeding turnover mechanism, an unpowered roller conveyor, a fixed end surface alignment mechanism, a feeding mechanism, a locking mechanism and an adjustable end surface alignment mechanism; the feeding turnover mechanism is used for feeding rectangular steel pipes, combining a plurality of rectangular steel pipes into a steel pipe bundle, clamping and turning the steel pipe bundle, and each steel pipe bundle automatic assembly mechanism is at least formed by arranging 2 feeding turnover mechanisms along the longitudinal direction (namely the length direction of the steel pipe bundle), so that the number of the feeding turnover mechanisms can be increased according to the length and the weight of the steel pipe bundle; an unpowered roller conveyor is arranged between the 2 adjacent turnover mechanisms and is used for supporting the steel tube bundles; the fixed end surface alignment mechanism is arranged at the rear end (near one side of welding production) of the steel tube bundle automatic assembly mechanism, and the adjustable end surface alignment mechanism is arranged at the front end of the steel tube bundle automatic assembly mechanism, and the fixed end surface alignment mechanism and the adjustable end surface alignment mechanism are used for aligning the 2 ends of all rectangular steel tubes; the feeding mechanism is positioned at the front end of the steel tube bundle automatic assembling mechanism and is used for pushing the steel tube bundle into a welding production line at the rear end; the locking mechanism is driven by the hydraulic cylinder, when the turnover arm of the feeding turnover mechanism is positioned at the vertical position, the locking hydraulic cylinder pushes out the lock tongue, and the lock tongue is positioned between the stop boss and the locking opening of the turnover arm, so that the turnover arm is positioned and locked, and accidental turnover of the turnover arm is prevented.
Further, each feeding turnover mechanism comprises a feeding turnover mechanism base, a U-shaped turnover arm, a turnover hydraulic cylinder, a propelling mechanism and a bearing assembly. The turnover mechanism base is fixed on the ground and used for supporting other components, a pushing mechanism and a U-shaped turnover arm are arranged on the turnover mechanism base, the U-shaped turnover arm is connected with the turnover mechanism base through a bearing assembly, the U-shaped turnover arm can rotate around the bearing assembly, a piston rod of the turnover hydraulic cylinder is connected with a hinge at the lower part of the U-shaped turnover arm, a cylinder barrel of the turnover hydraulic cylinder is connected with the feeding turnover mechanism base through the hinge, and the pushing mechanism is arranged on the feeding turnover mechanism base and used for pushing a rectangular steel pipe into an opening of the U-shaped turnover arm.
Further, the main body of the feeding turnover mechanism base is a rectangular supporting frame formed by welding sectional materials, a conical height adjusting mechanism is arranged below the rectangular supporting frame, the height of the feeding turnover mechanism base can be adjusted by rotating a height adjusting screw, and a stop block is arranged on the feeding turnover mechanism base and used for supporting a U-shaped turnover arm in a horizontal state.
Further, the U-shaped turning arm consists of a left arm, a right arm, a connecting base, a clamping plate, a width adjusting screw, a jacking screw, a rolling wheel mechanism and a universal ball assembly; the connecting base is positioned at the bottom of the U-shaped overturning arm and is used for connecting the left arm with the right arm, the left arm, the right arm and the connecting base form a U-shaped structure, and an opening of the U-shaped structure is used for combining and aligning Ji Gang tube bundles; the inner sides of the left arm and the right arm (namely the inner sides of the U-shaped turning arms) are respectively provided with a clamping plate, and the distance between the clamping plates can be adjusted according to the width of the rectangular steel pipe, so that the welding requirements of steel pipe bundles with different widths are met, and the distance between the clamping plates can be adjusted through a width adjusting screw and a jacking screw; the clamping plate is used for clamping the steel tube bundle, a first universal ball assembly is arranged on the surface of the clamping plate and used for reducing friction force, and a rolling wheel mechanism is arranged at the bottom of the U-shaped turning arm, namely on the connecting base and used for supporting the steel tube bundle and reducing friction force during feeding of the steel tube bundle.
Further, the base of the propelling mechanism is a rectangular frame formed by welding sectional materials, a propelling hydraulic cylinder is designed on the base, a propelling component is designed at the front end of a piston rod of the propelling hydraulic cylinder, the propelling component is connected with 2 guide shafts through two linear bearings I respectively, the 2 guide shafts I are parallel to the propelling hydraulic cylinder, the propelling component can slide along the guide shafts I under the pushing of the propelling hydraulic cylinder, so that a rectangular steel tube bundle is pushed to enter a U-shaped opening of a U-shaped turning arm, a limiting block is designed on the base of the propelling mechanism and used for limiting the position of a rectangular steel tube, and a universal ball component II is also designed on the base of the propelling mechanism and used for reducing friction force when the rectangular steel tube enters the U-shaped turning arm.
Further, a feeding mechanism is arranged at the front end of the assembly production line and is used for pushing the assembled steel pipe bundles into the welding production line; the feeding mechanism consists of a feeding mechanism base and a feeding mechanism sliding table, the feeding mechanism base is a rectangular frame formed by welding sectional materials, 2 parallel guide rails are designed on the rectangular frame, 4 rollers are designed at the bottom of the feeding mechanism sliding table, and the rollers are matched with the guide rails, so that the feeding mechanism sliding table can slide along the guide rails, and the feeding mechanism sliding table is suitable for the requirements of steel tube bundle assembly with different lengths. The feeding mechanism sliding table is provided with a feeding hydraulic cylinder and 2 guide shafts parallel to the feeding hydraulic cylinder, the guide shafts are connected with the feeding mechanism sliding table through 4 linear bearings II, the front end of each guide shaft is provided with a push plate, and the guide shafts and the push plates can slide along the linear bearings II under the pushing of the feeding hydraulic cylinder, so that the steel pipe bundles are pushed to be fed back to the steel pipe bundle welding production line.
Further, the fixed end face alignment mechanism is used for aligning the front end face and the rear end face of the Ji Gang tube bundle together with the adjustable end face alignment mechanism, wherein the front and rear positions of the adjustable end face alignment mechanism are adjustable, so that the requirement of end face alignment of the length-free steel tube bundle is met. The fixed end alignment mechanism consists of a fixed base, an alignment hydraulic cylinder I, an alignment plate I, a linear bearing III, a guide shaft III and a guide shaft support III; the fixed base is a cuboid frame and is formed by welding sectional materials, and the two guide shafts III are arranged in parallel along the length direction of the steel tube bundle and are connected to the fixed base through the 4 guide shaft supports III; the first alignment hydraulic cylinder is arranged in parallel with the three guide shafts 2, the cylinder body is fixed on the fixed base, and the piston rod is fixedly connected with the first alignment plate; the first alignment plate is in triple connection with the guide shaft through 2 linear bearings III and can slide along the guide shaft III under the pushing of the first alignment hydraulic cylinder.
Further, the adjustable end face alignment mechanism consists of a slide rail base, a movable alignment table, an alignment hydraulic cylinder II, an alignment plate II, a linear bearing IV, a guide shaft IV, a slide rail II and a guide shaft support IV; the sliding rail base is a rectangular frame formed by welding sectional materials and is fixed on the ground; 2 parallel second slide rails are arranged on the slide rail base; 4 rollers are designed at the bottom of the movable butt-flush table, and the rollers are matched with 2 parallel sliding rails, so that the movable butt-flush table can move back and forth along the sliding rails to adapt to steel pipe bundles with different lengths; the top of the movable alignment platform is provided with 2 guide shafts four which are parallel to each other, and the 2 guide shafts four are fixed at the top of the movable alignment platform through 4 guide shaft supports four; the second alignment hydraulic cylinder is fixed at the top of the movable alignment table and is parallel to the fourth guide shaft, the top end of the piston cylinder of the second alignment hydraulic cylinder is provided with a second alignment plate, the second alignment plate is arranged on the fourth guide shaft through a fourth linear bearing, and the second alignment plate can move back and forth along the fourth guide shaft under the pushing of the second alignment hydraulic cylinder. After the steel tube bundle is placed on the pushing mechanism, the first alignment plate of the fixed end surface alignment mechanism and the second alignment plate of the adjustable end surface alignment mechanism are respectively aligned with the front end surface and the rear end surface of the rectangular steel tube under the pushing of the first alignment hydraulic cylinder and the second alignment hydraulic cylinder, so that the alignment function of the front end surface and the rear end surface of the rectangular steel tube is realized.
Further, the locking mechanism is used for locking the U-shaped overturning arm in a vertical state, so that the U-shaped overturning arm is prevented from being overturned accidentally; the locking mechanism comprises a locking mechanism base, a locking hydraulic cylinder, a guide shaft five, a guide shaft fixing seat five, a linear bearing five, a lock tongue and a stop boss. The locking mechanism base is formed by welding a section bar and a steel plate, a locking hydraulic cylinder and 2 guide shafts five parallel to the locking hydraulic cylinder are designed on the locking mechanism base, the 2 guide shafts five are connected with the lock tongue through guide shaft fixing seats five, the front end of a piston rod of the locking hydraulic cylinder is connected with the lock tongue, and the lock tongue can move forwards to a stop boss along the guide shafts five under the pushing of the locking hydraulic cylinder, so that the U-shaped turning arm in a vertical state is locked.
The working principle of the automatic assembly system of the steel tube bundle welding system is as follows:
1.U the turning arm is in a horizontal state, a stop block on the base of the feeding turning mechanism supports the U-shaped turning arm, the U-shaped opening is aligned with the propelling mechanism, and a piston cylinder and a propelling component of a propelling hydraulic cylinder of the propelling mechanism retract; the fixed end surface alignment mechanism, an alignment hydraulic cylinder I, an alignment hydraulic cylinder II, an alignment plate I and an alignment plate II of the adjustable end surface alignment mechanism retract; the locking hydraulic cylinder and the lock tongue of the locking mechanism retract;
2. the rectangular steel tube is placed on a universal ball component II of the pushing mechanism, a hydraulic cylinder of the fixed end face mechanism alignment mechanism and the adjustable end face alignment mechanism pushes 2 alignment plates, so that the front end face and the rear end face of the rectangular steel tube are aligned, and after the rectangular steel tube is aligned, the alignment plates and the hydraulic cylinder retract;
3. the propelling hydraulic cylinder of the propelling mechanism pushes the rectangular steel pipe into the U-shaped opening of the U-shaped turning arm, and the piston rod of the propelling hydraulic cylinder and the propelling component retract;
4. repeating the steps 1-3, pushing a plurality of rectangular steel pipes into the U-shaped opening of the U-shaped turning arm;
5.U the turning arm rotates to the vertical position under the pushing of the turning hydraulic cylinder, the piston bar of the locking hydraulic cylinder pushes out the lock tongue, the lock tongue moves to the stop boss to be out, and the U-shaped turning arm in the vertical state is locked;
6. the feeding hydraulic cylinder pushes the push plate and the steel tube bundle to feed backwards, so that the steel tube bundle is pushed into a welding production line at the rear end, the primary steel tube bundle feeding is completed, the locking hydraulic cylinder and the lock tongue retract, the U-shaped overturning arm is restored to a horizontal state, and the preparation is made for the next steel tube bundle feeding.
Compared with the prior art, the scheme of the invention has the following advantages:
1. the automatic steel tube bundle assembling mechanism can be automatically operated, so that the production efficiency is improved, the labor intensity of workers is reduced, the personnel cost of enterprises is reduced, and the working environment of the workers is improved.
2. The automatic alignment mechanism improves the assembly precision of the steel tube bundles, and reduces the fluctuation of the quality of the steel tube bundles and the post-welding treatment operation.
Drawings
FIG. 1 is a schematic view of an automated steel tube bundle assembling mechanism (horizontal state) according to the present invention;
FIG. 2 is a schematic diagram of a feeding turnover mechanism according to the present invention;
FIG. 3 is a schematic view of a base of the feeding turnover mechanism of the present invention;
FIG. 4 is a schematic view of a U-shaped flip arm according to the present invention;
FIG. 5 is a schematic view of a propulsion mechanism according to the present invention;
FIG. 6 is a schematic view of a feed mechanism according to the present invention;
FIG. 7 is a schematic view of a fixed end-to-end alignment mechanism according to the present invention;
FIG. 8 is a schematic view of a locking mechanism according to the present invention;
FIG. 9 is a schematic view of an adjustable end-face alignment mechanism according to the present invention;
fig. 10 is a schematic view of an automated steel tube bundle assembling mechanism (vertical state) according to the present invention;
FIG. 11 is a schematic diagram of the principle of the locking mechanism locking the U-shaped flip arm;
FIG. 12 is a schematic diagram of a 12 meter long, 150 millimeter wide steel tube bundle feed;
FIG. 13 is a schematic view of a U-shaped invert arm holding a 150mm steel tube;
FIG. 14 is a schematic view of the U-shaped invert arm adjusting grip width;
fig. 15 is a partially enlarged view B.
In the figure:
1. a feeding turnover mechanism; 2. an unpowered roller conveyor; 3. the fixed end surface alignment mechanism; 4. a feeding mechanism; 5. a locking mechanism; 6. an adjustable end-face alignment mechanism;
1.1, a loading turnover mechanism base; 1.2, a U-shaped turning arm; 1.3, a turnover hydraulic cylinder; 1.4, a propulsion mechanism; 1.5, a bearing assembly;
1.1.1, rectangular support frames; 1.1.2, a cone-shaped height adjusting mechanism; 1.1.3, height adjusting screw; 1.1.4, stop block;
1.2.1, left arm; 1.2.2, right arm; 1.2.3, a connection base; 1.2.4, clamping plates; 1.2.5, width adjusting screw; 1.2.6, tightly pushing the screw; 1.2.7, a first universal ball assembly; 1.2.8, a roller wheel mechanism;
1.4.1, a propulsion mechanism base; 1.4.2, pushing hydraulic cylinder; 1.4.3, propulsion assembly; 1.4.4, linear bearing one; 1.4.5, guide shaft one; 1.4.6, a guide shaft support I; 1.4.7, limiting blocks; 1.4.8, a universal ball assembly II;
4.1, a feeding mechanism base; 4.2, a feeding mechanism sliding table; 4.3, a guide rail; 4.4, idler wheels; 4.5, feeding a hydraulic cylinder; 4.6, a guide shaft II; 4.7, a linear bearing II; 4.8, pushing plate;
3.1, fixing a base; 3.2, aligning the first hydraulic cylinder; 3.3, aligning the first plate; 3.4, a linear bearing III; 3.5, a guide shaft III; 3.6, a guide shaft support saddle III;
6.1, a slide rail base; 6.2, moving the alignment table; 6.3, aligning the second hydraulic cylinder; 6.4, aligning the second plate; 6.5, a linear bearing IV; 6.6, a guide shaft IV; 6.7, a guide shaft support seat IV; 6.8, sliding rails;
5.1, a locking mechanism base; 5.2, locking the hydraulic cylinder; 5.3, a guide shaft V; fifthly, fixing the guide shaft; 5.5, a linear bearing; 5.6, a lock tongue; and 5.7, stopping bosses.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The technical solution of the present invention is further illustrated by a set of specific embodiments of steel tube bundle assembly, by way of example, which are described below with reference to the accompanying drawings, intended to illustrate the invention, but not to be construed as limiting.
As shown in fig. 1 to 15, the automated assembly mechanism of the steel tube bundle welding system of the present invention is disposed at the front end of the steel tube bundle welding line for combining, aligning a plurality of rectangular steel tubes into a steel tube bundle and feeding the welding line at the rear end. The automatic feeding and overturning mechanism comprises a feeding overturning mechanism 1, an unpowered roller conveyor 2, a fixed end surface alignment mechanism 3, a feeding mechanism 4, a locking mechanism 5 and an adjustable end surface alignment mechanism 6. The feeding turnover mechanism 1 is used for feeding rectangular steel pipes, combining a plurality of rectangular steel pipes into a steel pipe bundle, and clamping and turning the steel pipe bundle. Each automatic assembling mechanism is at least formed by arranging 2 feeding turnover mechanisms 1 along the longitudinal direction, namely the length direction of the steel tube bundle, and the number of the feeding turnover mechanisms 1 can be increased according to the length and the weight of the steel tube bundle. An unpowered roller conveyor 2 is arranged between the adjacent 2 feeding turnover mechanisms 1 and is used for supporting steel tube bundles. The fixed end face alignment mechanism 3 is arranged at the rear end of the automated assembly mechanism, i.e., near the side of the welding production. The adjustable end face alignment mechanism 6 is arranged at the front end of the automatic assembly mechanism, and the fixed end face alignment mechanism 3 and the adjustable end face alignment mechanism 6 are used for aligning the two ends of all rectangular steel pipes. The feeding mechanism 4 is positioned at the front end of the automatic assembling mechanism and is used for pushing the steel pipe bundles into a welding production line at the rear end. The locking mechanism 5 is driven by a hydraulic cylinder, when the turnover arm of the feeding turnover mechanism 1 is positioned at the vertical position, the hydraulic cylinder of the locking mechanism 5 pushes out a lock tongue, and the lock tongue is positioned between the stop boss and the locking opening of the U-shaped turnover arm 1.2, so that the U-shaped turnover arm 1.2 is positioned and locked, and accidental turnover of the U-shaped turnover arm is prevented.
Each feeding turnover mechanism 1 consists of a feeding turnover mechanism base 1.1, a U-shaped turnover arm 1.2, a turnover hydraulic cylinder 1.3, a propelling mechanism 1.4 and a bearing assembly 1.5. The feeding turnover mechanism base 1.1 is fixed on the ground and used for supporting other components, a pushing mechanism 1.4 and a U-shaped turnover arm 1.2 are arranged on the feeding turnover mechanism base 1.1, the U-shaped turnover arm 1.2 is connected with the feeding turnover mechanism base 1.1 through a bearing assembly 1.5, the U-shaped turnover arm 1.2 can rotate around the bearing assembly 1.5, a piston rod of the turnover hydraulic cylinder 1.3 is connected with a hinge at the lower part of the U-shaped turnover arm 1.2, a cylinder barrel of the turnover hydraulic cylinder 1.3 is connected with the feeding turnover mechanism base 1.1 through the hinge, and the pushing mechanism 1.4 is placed on the feeding turnover mechanism base 1.1 and used for pushing a rectangular steel pipe into an opening of the U-shaped turnover arm 1.2.
The main body of the feeding turnover mechanism base 1.1 is a rectangular supporting frame 1.1.1 formed by welding sectional materials, a conical height adjusting mechanism 1.1.2 is arranged below the rectangular supporting frame 1.1.1, the height of the feeding turnover mechanism base 1.1 can be adjusted by rotating a height adjusting screw 1.1.3, and a stop block 1.1.4 is arranged on the feeding turnover mechanism base 1.1 and used for supporting a U-shaped turnover arm 1.2 in a horizontal state.
The U-shaped overturning arm 1.2 consists of a left arm 1.2.1, a right arm 1.2.2, a connecting base 1.2.3, a clamping plate 1.2.4, a width adjusting screw 1.2.5, a tightening screw 1.2.6, a universal ball component I1.2.7 and a rolling wheel mechanism 1.2.8. The connecting base 1.2.3 is positioned at the bottom of the U-shaped overturning arm 1.2 and is used for connecting the left arm 1.2.1 and the right arm 1.2.2, the left arm 1.2.1, the right arm 1.2.2 and the connecting base 1.2.3 form a U-shaped structure, and an opening of the U-shaped structure is used for combining a Ji Gang tube bundle. The inner sides of the left arm 1.2.1 and the right arm 1.2.2, namely the inner sides of the U-shaped overturning arms 1.2, are respectively provided with a clamping plate 1.2.4, and the distance between the clamping plates 1.2.4 can be adjusted according to the width of the rectangular steel pipe, so that the welding requirements of steel pipe bundles with different widths are met, and the distance between the clamping plates 1.2.4 can be adjusted through the width adjusting screw 1.2.5 and the jacking screw 1.2.6. The clamping plate 1.2.4 is provided with a universal ball assembly 1.2.7 on the surface for clamping the steel tube bundle for reducing friction, and a rolling wheel mechanism 1.2.8 is arranged on the bottom of the U-shaped overturning arm 1.2, namely the connecting base 1.2.3 for supporting the steel tube bundle and reducing friction during feeding of the steel tube bundle.
The propelling mechanism 1.4 comprises a propelling mechanism base 1.4.1, the propelling mechanism base 1.4.1 is a rectangular frame formed by welding sectional materials, a propelling hydraulic cylinder 1.4.2 is designed on the rectangular frame, a propelling component 1.4.3 is designed at the front end of a piston rod of the propelling hydraulic cylinder 1.4.2, the propelling component 1.4.3 is respectively connected with 2 guide shafts 1.4.5 through two linear bearings 1.4.4, the 2 guide shafts 1.4.5 are parallel to the propelling hydraulic cylinder 1.4.2, the propelling component 1.4.3 can slide along the guide shafts 1.4.5 under the propelling of the propelling hydraulic cylinder 1.4.2, so that a rectangular steel tube bundle is pushed into a U-shaped opening of the U-shaped overturning arm 1.2, a limiting block 1.4.7 is designed on the propelling mechanism base 1.4.1 and used for limiting the position of a rectangular steel tube, and a universal ball component two 1.4.8 are also designed on the propelling mechanism base 1.4.1 for reducing the friction force when the steel tube enters the U-shaped overturning arm 1.2.
A feed mechanism 4 is arranged at the front end of the assembly line for advancing the assembled steel pipe bundle into the welding line. The feeding mechanism 4 consists of a feeding mechanism base 4.1 and a feeding mechanism sliding table 4.2, wherein the feeding mechanism base 4.1 is a rectangular frame formed by welding sectional materials, 2 parallel guide rails 4.3 are designed on the rectangular frame, 4 rollers 4.4 are designed at the bottom of the feeding mechanism sliding table 4.2, the rollers 4.4 are matched with the guide rails 4.3, and the feeding mechanism sliding table 4.2 can slide along the guide rails 4.3, so that the feeding mechanism is suitable for the assembly requirements of steel tube bundles with different lengths. The feeding mechanism sliding table 4.2 is provided with a feeding hydraulic cylinder 4.5 and 2 guide shafts II 4.6 parallel to the feeding hydraulic cylinder 4.5, the guide shafts II 4.6 are connected with the feeding mechanism sliding table 4.2 through 4 linear bearings II 4.7, the front end of the guide shafts II 4.6 is provided with a push plate 4.8, and the guide shafts II 4.6 and the push plate 4.8 can slide along the linear bearings II 4.7 under the pushing of the feeding hydraulic cylinder 4.5, so that the steel pipe bundle is pushed to be pushed backwards to a steel pipe bundle welding production line.
The fixed end surface alignment mechanism 3 and the adjustable end surface alignment mechanism 6 are used for aligning the front end surface and the rear end surface of the Ji Gang tube bundle, wherein the front and rear positions of the adjustable end surface alignment mechanism 6 are adjustable so as to adapt to the requirement of end surface alignment of the steel tube bundle without length. The fixed end alignment mechanism 3 consists of a fixed base 3.1, an alignment hydraulic cylinder I3.2, an alignment plate I3.3, a linear bearing III 3.4, a guide shaft III 3.5 and a guide shaft support III 3.6. The fixed base 3.1 is a cuboid frame and is formed by welding sectional materials, and the two guide shafts III.5 are arranged in parallel along the length direction of the steel tube bundle and are connected to the fixed base through the 4 guide shaft supports III.6; the first alignment hydraulic cylinder 3.2 and the second guide shafts 3.5 are arranged in parallel, the cylinder body is fixed on the fixed base 3.1, and the piston rod is fixedly connected with the first alignment plate 3.3; the first alignment plate 3.3 is connected with the third guide shaft 3.5 through 2 linear bearings three 3.4 and can slide along the third guide shaft 3.5 under the pushing of the first alignment hydraulic cylinder 3.2. The adjustable end face alignment mechanism 6 consists of a slide rail base 6.1, a movable alignment platform 6.2, an alignment hydraulic cylinder II 6.3, an alignment plate II 6.4, a linear bearing IV 6.5, a guide shaft IV 6.6, a slide rail II and a guide shaft support IV 6.7. The slide rail base 6.1 is a rectangular frame formed by welding sectional materials and is fixed on the ground; 2 parallel sliding rails 6.8 are arranged on the sliding rail base 6.1; 4 rollers are designed at the bottom of the movable butt-flush table 6.2 and matched with 2 parallel slide rails 6.8, so that the movable butt-flush table 6.2 can move back and forth along the slide rails to adapt to steel pipe bundles with different lengths; 2 guide shafts four 6.6,2 which are parallel to each other are designed at the top of the movable pair flush table 6.2, and the guide shafts are fixed at the top of the movable pair flush table 6.2 through 4 guide shaft supports four 6.7; the second alignment hydraulic cylinder 6.3 is fixed on the top of the movable alignment table 6.2 and is parallel to the guide shaft IV 6.6, the top end of the piston cylinder of the second alignment hydraulic cylinder 6.3 is provided with a second alignment plate 6.4, the second alignment plate 6.4 is arranged on the guide shaft IV 6.6 through a linear bearing IV 6.5, and the second alignment plate 6.4 can move back and forth along the guide shaft IV 6.6 under the pushing of the second alignment hydraulic cylinder 6.3. After the steel tube bundle is placed on the pushing mechanism, the first alignment plate 3.3 of the fixed end surface alignment mechanism 3 and the second alignment plate 6.4 of the adjustable end surface alignment mechanism 6 are respectively aligned with the front end surface and the rear end surface of the rectangular steel tube under the pushing of the first alignment hydraulic cylinder 3.2 and the second alignment hydraulic cylinder 6.3, so that the alignment function of the front end surface and the rear end surface of the rectangular steel tube is realized.
The locking mechanism 5 is used for locking the U-shaped overturning arm 1.2 in a vertical state and preventing the U-shaped overturning arm 1.2 from being overturned accidentally; the locking mechanism 5 comprises a locking mechanism base 5.1, a locking hydraulic cylinder 5.2, a guide shaft five 5.3, a guide shaft fixing seat five 5.4, a linear bearing five 5.5, a lock tongue 5.6 and a stop boss 5.7. The locking mechanism base 5.1 is formed by welding a section bar and a steel plate, a locking hydraulic cylinder 5.2 and 2 guide shafts five 5.3,2 which are parallel to the locking hydraulic cylinder 5.1 are designed on the locking mechanism base 5.1, the guide shafts five 5.3 are connected with the lock tongue 5.6 through guide shaft fixing seats five 5.4, the front end of a piston rod of the locking hydraulic cylinder 5.2 is connected with the lock tongue 5.6, and the lock tongue 5.6 can move forwards to a stop boss 5.7 along the guide shafts five 5.3 under the pushing of the locking hydraulic cylinder 5.2, so that the U-shaped overturning arm 1.2 in a vertical state is locked.
The present invention will be described in detail with reference to the following examples.
Example 1
As shown in fig. 1 to 10, the automated assembly line of the steel pipe bundle welding system of the present invention is used for assembling 6 rectangular steel pipes having a width of 130mm and a length of 9m and feeding the assembled steel pipes to a rear end welding line. This automatic change assemblage production line includes: 3 feeding turnover mechanisms 1, 2 unpowered roller conveyors 2, 1 fixed end alignment mechanism 3, 1 feeding mechanism 4, 3 locking mechanisms 5 and an adjustable end alignment mechanism 6, wherein 3 feeding turnover mechanisms 1 are arranged along the length direction of an automatic assembly production line, unpowered rolling conveyor belts 2 are arranged between adjacent feeding turnover mechanisms 1, the fixed end alignment mechanism 3 is placed at the rear end of the automatic assembly production line, the adjustable end alignment mechanism 6 is placed at the front end of the assembly production line, and the feeding mechanism sliding table 4.2 of the feeding mechanism 4 and the moving alignment table 6.2 of the adjustable end alignment mechanism 6 are adjusted to the position shown in fig. 1 so as to adapt to the feeding requirement of a 9m long steel tube bundle. The steel tube bundle feeding process is as follows:
1. as shown in fig. 1, the U-shaped turning arm 1.2 is in a horizontal state, the stop block 1.1.4 on the base 1.1 of the feeding turning mechanism supports the U-shaped turning arm 1.2, the U-shaped opening is aligned with the pushing mechanism 1.4, at this time, a rectangular steel pipe is pushed in by the pushing mechanism 1.4, and the assembling mechanism prepares to complete the feeding of a second rectangle; the piston rod of the pushing hydraulic cylinder 1.4.2 of the pushing mechanism 1.4 and the pushing component 1.4.3 retract; the fixed end surface alignment mechanism 3, an alignment hydraulic cylinder I3.2, an alignment hydraulic cylinder II 6.3, an alignment plate I3.3 and an alignment plate II 6.4 of the adjustable end surface alignment mechanism 6 retract; the piston rod machine of the locking hydraulic cylinder 5.2 and the lock tongue 5.6 of the locking mechanism 5 retract;
2. the second rectangular steel tube is placed on a universal ball assembly II 1.4.8 of the pushing mechanism 1.4, a hydraulic cylinder of the fixed end face aligning mechanism 3 and a hydraulic cylinder of the adjustable end face aligning mechanism 6 respectively push 2 aligning plates I3.3 and 6.4 so as to align the front end face and the rear end face of the rectangular steel tube, and after the rectangular steel tube is aligned, the aligning plates I3.3 and 6.4 retract;
3. the pushing hydraulic cylinder 1.4.2 of the pushing mechanism 1.4 pushes the rectangular steel pipe into the U-shaped opening of the U-shaped overturning arm 1.2, and then the piston rod of the pushing hydraulic cylinder 1.4.2 and the pushing assembly 1.4.2 retract;
4. repeating the steps 1-3, pushing the remaining 4 rectangular steel pipes into the U-shaped opening of the U-shaped overturning arm 1.2;
5. as shown in fig. 9-10, the U-shaped turning arm 1.2 is rotated to a vertical position under the pushing of the turning hydraulic cylinder 1.3, the piston rod of the locking hydraulic cylinder 5.2 pushes out the lock tongue 5.6, the lock tongue 5.6 moves to the stop boss 5.7, and the U-shaped turning arm 1.2 in a vertical state is locked;
6. the piston rod of the feeding hydraulic cylinder 4.5 pushes the push plate 4.8 and the steel tube bundle to feed backwards, so that the steel tube bundle is pushed into a welding production line at the rear end, and the primary steel tube bundle feeding is completed; after that, the locking hydraulic cylinder 5.2 and the lock tongue 5.6 are retracted, the U-shaped overturning arm 1.2 is restored to the horizontal state, and the preparation is made for the next steel tube bundle feeding and assembling.
Example two
As shown in fig. 11 to 12, this example is for explaining the process of assembling 6 rectangular steel pipes having a width of 150mm and a length of 12m and feeding them to a welding line at the rear end in the automated steel pipe bundle assembling line according to the present invention; the arrangement of the production line is the same as that of the first embodiment, and the width of the U-shaped opening of the U-shaped turning arm 1.2, the moving alignment platform 6.2 of the adjustable end surface alignment mechanism 6 and the position of the feeding mechanism sliding table 4.2 of the feeding mechanism 4 in the embodiment 1 are mainly adjusted to adapt to the change of the size of the rectangular steel pipe. The specific operation process is as follows:
step one
The feeding mechanism sliding table 4.2 of the feeding mechanism 4 is moved forward for 3m along the guide rail, and the movable alignment table 6.2 of the adjustable end surface alignment mechanism 6 is moved forward for 3m along the guide rail, so that the feeding and feeding requirements of the steel pipe with the length of 12 meters are met;
step two
As shown in fig. 10, 11 and 12, the tightening screw 1.2.6 on the left arm 1.2.1 is loosened, the width adjusting screw 1.2.5 is rotated, the width adjusting screw 1.2.5 is withdrawn 10mm towards the outer side of the U-shaped opening, and the clamping plate 1.2.4 and the universal ball assembly 1.2.7 are further moved outwards 10mm; the clamping plate 1.2.4 on the right arm 1.2.2 and the first universal ball component 1.2.7 are moved outwards by 10mm according to the same method, so that the clamping width of the U-shaped turning arm 1.2 is adjusted to be increased by 10mm, and the requirement of 150mm rectangular steel tube bundle assembly is met.
Step three
After the adjustment operation is completed, 6 steel tube bundles with the length of 12 meters and the width of 150 millimeters can be assembled, and the feeding, assembling, overturning and feeding processes of the subsequent steel tube bundles are the same as those in the first step to the sixth step in the embodiment.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (9)
1. An automatic assemblage mechanism of steel pipe bundle welding system which characterized in that: the automatic assembling mechanism is arranged at the front end of the steel tube bundle welding production line and is used for combining and aligning a plurality of rectangular steel tubes into a steel tube bundle and feeding the steel tube bundle into the welding production line at the rear end; the device comprises a feeding turnover mechanism, an unpowered roller conveyor, a fixed end surface alignment mechanism, a feeding mechanism, a locking mechanism and an adjustable end surface alignment mechanism; the automatic assembling mechanism is at least formed by arranging 2 feeding turnover mechanisms along the length direction of the steel tube bundles, and the number of the feeding turnover mechanisms is increased according to the length and the weight of the steel tube bundles; an unpowered roller conveyor is arranged between the adjacent 2 feeding turnover mechanisms and used for supporting the steel tube bundles; the fixed end surface alignment mechanisms are respectively arranged at the rear ends of the automatic assembly mechanisms, the adjustable end surface alignment mechanisms are arranged at the front ends of the automatic assembly mechanisms, and the fixed end surface alignment mechanisms and the adjustable end surface alignment mechanisms are used for aligning the two ends of all rectangular steel pipes; the feeding mechanism is positioned at the front end of the automatic assembling mechanism and is used for pushing the steel tube bundles into a welding production line at the rear end; the locking mechanism is driven by the hydraulic cylinder, and when the U-shaped overturning arm of the feeding overturning mechanism is positioned at the vertical position, the U-shaped overturning arm is locked, so that the U-shaped overturning arm is prevented from being overturned accidentally.
2. An automated assembly mechanism for a steel pipe bundle welding system according to claim 1, wherein: each feeding turnover mechanism consists of a feeding turnover mechanism base, a U-shaped turnover arm, a turnover hydraulic cylinder, a propelling mechanism and a bearing assembly; the feeding turnover mechanism base is fixed on the ground, the feeding turnover mechanism base is provided with a propelling mechanism and a U-shaped turnover arm, the U-shaped turnover arm is connected with the feeding turnover mechanism base through a bearing assembly, the U-shaped turnover arm rotates around the bearing assembly, a piston rod of the turnover hydraulic cylinder is connected with a hinge at the lower part of the U-shaped turnover arm, a cylinder barrel of the turnover hydraulic cylinder is connected with the feeding turnover mechanism base through the hinge, and the propelling mechanism is arranged on the feeding turnover mechanism base and used for pushing a rectangular steel pipe into the U-shaped turnover arm.
3. An automated assembly mechanism for a steel pipe bundle welding system according to claim 2, wherein: the main part of material loading tilting mechanism base is by the rectangular braced frame of section bar welding shaping, rectangular braced frame below is provided with toper height adjustment mechanism, through rotating height adjustment screw height adjustment material loading tilting mechanism base, is provided with the stop block on the material loading tilting mechanism base for support the U-shaped tilting arm that is in the horizontality.
4. An automated assembly mechanism for a steel pipe bundle welding system according to claim 2, wherein: the U-shaped overturning arm consists of a left arm, a right arm, a connecting base, a clamping plate, a width adjusting screw, a jacking screw, a rolling wheel mechanism and a universal ball assembly I; the connecting base is positioned at the bottom of the U-shaped overturning arm and is used for connecting the left arm with the right arm, the left arm, the right arm and the connecting base form a U-shaped structure, and a notch of the U-shaped structure is used for combining and aligning Ji Gang tube bundles; the inner sides of the left arm and the right arm of the U-shaped turning arm are respectively provided with a clamping plate, and the distance between the clamping plates is adjusted according to the width of the rectangular steel pipe, so that the welding requirements of steel pipe bundles with different widths are met, and the distance between the clamping plates is adjusted through a width adjusting screw and a jacking screw; the clamping plate is used for clamping the steel tube bundle, a first universal ball assembly is arranged on the surface of the clamping plate, friction force is reduced, a rolling wheel mechanism is arranged on a connecting base at the bottom of the U-shaped turning arm, and the rolling wheel mechanism is used for supporting the steel tube bundle and reducing friction force during feeding of the steel tube bundle.
5. An automated assembly mechanism for a steel pipe bundle welding system according to claim 2, wherein: the propelling mechanism comprises a propelling mechanism base, wherein the propelling mechanism base is a rectangular frame formed by welding sectional materials, a propelling hydraulic cylinder is arranged on the propelling mechanism base, a propelling component is designed at the front end of a piston rod of the propelling hydraulic cylinder, the propelling component is connected with 2 guide shafts through two linear bearings I respectively, the 2 guide shafts I are parallel to the propelling hydraulic cylinder, the propelling component can slide back and forth along the guide shafts I under the pushing of the propelling hydraulic cylinder, so that a rectangular steel tube bundle is pushed to enter an opening of a U-shaped turning arm, a limiting block is designed on the propelling mechanism base and used for limiting the position of a rectangular steel tube, and a universal ball component II is also designed on the propelling mechanism base and used for reducing friction force when the rectangular steel tube moves.
6. An automated assembly mechanism for a steel pipe bundle welding system according to claim 1, wherein: the feeding mechanism consists of a feeding mechanism base and a feeding mechanism sliding table, wherein the feeding mechanism base is a rectangular frame formed by welding sectional materials, 2 parallel guide rails are designed on the rectangular frame, 4 idler wheels are designed at the bottom of the feeding mechanism sliding table, and the idler wheels are matched with the feeding sliding rail, so that the feeding mechanism sliding table slides along the guide rails, and the feeding mechanism sliding table is suitable for the requirements of steel tube bundles with different lengths for assembly; the steel tube bundle welding production line is characterized in that a feeding hydraulic cylinder and 2 guide shafts II parallel to the feeding hydraulic cylinder are arranged on the feeding mechanism sliding table, the guide shafts II are connected with the feeding mechanism sliding table through 4 linear bearings II, a push plate is arranged at the front end of the guide shafts II, the guide shafts II and the push plate slide along the linear bearings II under the pushing of the feeding hydraulic cylinder, and therefore the steel tube bundle is pushed to be fed back to the steel tube bundle welding production line.
7. An automated assembly mechanism for a steel pipe bundle welding system according to claim 1, wherein: the fixed end alignment mechanism consists of a fixed base, an alignment hydraulic cylinder I, an alignment plate I, a linear bearing III, a guide shaft III and a guide shaft support III; the fixed base is a cuboid frame and is formed by welding sectional materials; the two guide shafts III are arranged in parallel along the length direction of the steel tube bundle and are connected to the fixed base through the 4 guide shaft supports III; the first alignment hydraulic cylinder and the third guide shafts are arranged in parallel, the cylinder body of the first alignment hydraulic cylinder is fixed on the fixed base, and the piston rod is fixedly connected with the first alignment plate; the first alignment plate is also in triple connection with the guide shaft through 2 linear bearings III and can slide back and forth along the guide shaft III under the pushing of the first alignment hydraulic cylinder.
8. The automated assembly mechanism of a steel pipe bundle welding system according to claim 1, wherein the adjustable end face alignment mechanism is composed of a slide rail base, a movable alignment table, an alignment hydraulic cylinder two, an alignment plate two, a linear bearing four, a guide shaft four, a slide rail and a guide shaft support four; the sliding rail base is a rectangular frame formed by welding sectional materials and is fixed on the ground; 2 parallel sliding rails are arranged on the sliding rail base; 4 rollers are designed at the bottom of the movable butt-flush table and matched with 2 parallel sliding rails, so that the movable butt-flush table moves back and forth along the sliding rails to adapt to steel pipe bundles with different lengths; 2 guide shafts four which are parallel to each other are arranged at the top of the movable alignment platform, and the 2 guide shafts are fixed at the top of the movable alignment platform through 4 guide shaft supports four; the second alignment hydraulic cylinder is fixed at the top of the movable alignment table and is parallel to the fourth guide shaft, the top end of the piston cylinder of the second alignment hydraulic cylinder is provided with a second alignment plate, the second alignment plate is arranged on the fourth guide shaft through a fourth linear bearing, and the second alignment plate can move back and forth along the fourth guide shaft under the pushing of the second alignment hydraulic cylinder, so that the front end face and the rear end face of the steel tube bundle are pushed to be aligned.
9. An automated assembly mechanism for a steel pipe bundle welding system according to claim 1, wherein: the locking mechanism comprises a locking mechanism base, a locking hydraulic cylinder, a guide shaft five, a guide shaft fixing seat five, a linear bearing five, a lock tongue and a stop boss; the locking mechanism base is formed by welding a section bar and a steel plate, a locking hydraulic cylinder and 2 guide shafts five parallel to the locking hydraulic cylinder are designed on the locking mechanism base, the 2 guide shafts five are connected with the lock tongue through guide shaft fixing seats five, the front end of a piston rod of the locking hydraulic cylinder is connected with the lock tongue, and the lock tongue moves forwards to a stop boss along the guide shafts five under the pushing of the locking hydraulic cylinder, so that the U-shaped turning arm in a vertical state is locked.
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