CN111438498A - A square pipe string production line and production process - Google Patents

Abstract

The invention discloses a square pipe string production line and a production process. The square pipe string production line comprises: a flipping chamfering mechanism for realizing chamfering at both ends of the square pipe string; a tongue plate assembly mechanism for chamfering the two ends of the square pipe string Insert the tongue plate and fix it; the corbel assembly mechanism is used to position and install the corbel and flange on the square pipe column; the penetration welding mechanism is used to realize the full welding of each part on the square pipe string; the overturning chamfering mechanism , the tongue plate assembly mechanism, the corbel assembly mechanism and the penetration welding mechanism are arranged in sequence to form a fully automatic continuous production line. Compared with the prior art, the square pipe string production line and the production process realize the fully automatic production of the square pipe string, completely subvert the original production mode of segmented and discontinuous square pipe string, and greatly improve the production efficiency and the production efficiency. Product quality, save a lot of manpower, material resources, energy and space, and reduce the unsafe factors between processes to a large extent.

Description

A square pipe string production line and production process

technical field

The invention relates to the technical field of integrated profile steel processing, in particular to a square pipe string production line and a production process.

Background technique

Steel structure is a very important type of structure in modern buildings. It has many advantages such as high strength, light weight, good rigidity and strong toughness, and is widely used. At present, the square pipe column mainly adopts the mechanical assembly and production method with a low degree of manual or semi-automation, and the component logistics in the production process is a discontinuous manual operation lifting method, which has low production efficiency, high labor cost, and product quality. Unfavorable factors such as unstable quality have become the main bottleneck in the production process of integrated steel residential products; therefore, they need to be solved urgently.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the above problems, provide a square pipe string production line and production process, in order to solve the problem that the existing square pipe string mainly adopts manual or semi-automatic mechanical assembly and production methods, and the component logistics in the production process is All are discontinuous manual lifting methods, which have the problems of low production efficiency, high labor cost and unstable product quality.

The object of the present invention is to realize through the following technical solutions:

A square pipe string production line, comprising:

Flip chamfering mechanism for chamfering at both ends of the square pipe column;

The tongue plate assembly mechanism is used to insert the tongue plate at both ends of the square pipe column and fix it;

The corbel assembly mechanism is used to position and install the corbel and flange on the square pipe column;

The penetration welding mechanism is used to realize the full welding of each component on the square pipe column;

The overturning chamfering mechanism, the tongue plate assembling mechanism, the corbel assembling mechanism and the penetration welding mechanism are arranged in sequence to form a fully automatic continuous production line.

As a preferred solution of the present invention, the inversion and chamfering mechanism includes a chamfering base, at least two first movable flipping frames and two chamfering robots, and the two chamfering robots are distributed on the chamfering At both ends of the base, the first movable overturning frame is connected to the chamfered base which can move along the transfer direction of the square pipe column, and the first movable overturning frame can drive the square pipe column to be overturned.

As a preferred solution of the present invention, the tongue plate assembly mechanism includes a tongue plate assembly seat, at least two second movable flip frames, a tongue plate welding robot, and tongue plates disposed at both ends of the tongue plate assembly seat In the positioning device, the second movable overturning rack can move along the transfer direction of the square pipe column and is connected to the tongue plate assembly seat, and the second movable overturning rack can drive the square pipe column to overturn.

As a preferred solution of the present invention, the tongue plate positioning device includes a movable seat, a bracket, a support plate and a magnetic positioning plate for adsorbing the tongue plate, the magnetic positioning plate is a square structure, and the magnetic positioning plate is fixed On the support plate, the support plate can be moved up and down and connected to the bracket, the bracket is fixed on the moving seat, and the moving seat can move along the transfer direction of the square pipe column.

As a preferred solution of the present invention, the first movable turning frame and the second movable turning frame have the same structure, and specifically include a first outer frame, a first turning frame and a clamping conveying device, and the first outer frame has an inner frame. A first turret is rotatably assembled, and the first turret is driven to rotate by a first overturning drive device. The first turret is provided with a through slot for the pipe string to pass through, and the clamping and conveying The device includes a first clamping roller group and a second clamping roller group, the first clamping roller group includes a first fixed roller and a first movable roller, and the first fixed roller is parallel to the first movable roller , the first movable roller can move relative to the first fixed roller to be close to or away from the first fixed roller, the second clamping roller group includes a second fixed roller and a second movable roller, the first Two fixed rollers are parallel to the second movable roller, and the second movable roller can move relative to the second fixed roller to be close to or away from the second fixed roller; in the working state, the first fixed roller , the first movable roller, the second fixed roller and the second movable roller are arranged in a square shape.

As a preferred solution of the present invention, the corbel assembling mechanism includes a corbel assembling seat, at least two third movable turning frames, a corbel welding robot and a corbel positioning device for locating the corbel position. The three movable overturning frames are connected to the corbel assembly seat which can move along the transfer direction of the square pipe column, and the third movable overturning frame can drive the square pipe column to be overturned.

As a preferred solution of the present invention, the corbel positioning device includes a base, a support and a support arm, the support can be moved left and right and connected to the base, and the support arm can be moved up and down and connected to the base. A positioning seat is installed on the support and can move back and forth on the support arm, and a positioning assembly for positioning the corbel is installed on the positioning seat, and the positioning assembly includes a first positioning arm and a second positioning arm, The first positioning arm is perpendicular to the second positioning arm, and the first positioning arm and the second positioning arm cooperate to form a positioning notch with an opening downward, and the side end surface of the first positioning arm A first positioning block for positioning is provided on it, a second positioning block for positioning is provided on the side end surface of the second positioning arm, and the first positioning block protrudes from the side of the first positioning arm The second positioning block protrudes from the side end surface of the second positioning arm.

As a preferred solution of the present invention, the penetration welding mechanism includes a penetration welding seat, at least two fourth movable overturning frames and a penetration welding robot, and the fourth movable overturning frame can move along the transfer direction of the square pipe string is connected to the penetration welding seat, and the fourth movable overturning frame can drive the square pipe column to overturn.

As a preferred solution of the present invention, the third movable flip frame and the fourth movable flip frame have the same structure, and specifically include a second outer frame, a second turret and a clamping assembly, the second outer frame A second turret is internally rotatably assembled, and the second turret is driven to rotate by the second turning drive device, the second turret is provided with an opening, and the clamping assembly includes a support plate located inside the opening and a pressure plate, the support plate and the pressure plate are arranged oppositely, and the pressure plate is movably connected to the second turret to be close to or away from the support plate, and the pressure plate is adjacent to the end face of one end of the support plate There are pressure grooves matching with the corners of the square pipe column.

A method for producing a square pipe string using the above-mentioned square pipe string production line, comprising the following steps:

a. Chamfer both ends of the opposite pipe string;

b. Insert tongue plates at both ends of the square pipe column and fix them by spot welding;

c. Positioning spot welding corbels and flanges on the square pipe column;

d. Full welding of the opposite pipe string.

The beneficial effect of the present invention is that, compared with the prior art, the square pipe string production line and the production process realize the fully automated production of the square pipe string, and completely overturn the original production mode of the square pipe string segmented discontinuously. , greatly improve production efficiency and product quality, save a lot of manpower, material resources, energy and space, and greatly reduce the unsafe factors between processes.

Description of drawings

Fig. 1 is the structural block diagram of a kind of square pipe string production line of the present invention;

Fig. 2 is the structural representation of the overturning chamfering mechanism of the present invention;

3 is a schematic structural diagram of the tongue plate positioning device of the present invention;

4 is a schematic structural diagram of the tongue plate assembly mechanism of the present invention;

5 is a schematic structural diagram of a first movable flip frame and a second movable flip frame;

Fig. 6 is the structural representation of corbel assembly mechanism;

Fig. 7 is the structural representation of the corbel positioning device;

8 is a schematic structural diagram of a penetration welding mechanism;

FIG. 9 is a schematic structural diagram of a third movable flip frame and a fourth movable flip frame.

In the picture:

1. Overturning chamfering mechanism; 2. Tongue plate assembly mechanism; 3. Corbel assembly mechanism; 4. Penetration welding mechanism; 5. Transition roller conveyor line;

101, a chamfered base; 102, a first movable flip frame;

201, mobile seat; 202, bracket; 203, magnetic positioning plate; 204, support plate; 205, jacking cylinder; 206, mobile cylinder; 207, tongue plate assembly seat; 208, second movable flip frame; 209, tongue plate Positioning means;

301, corbel assembly seat; 302, the third movable flip frame; 303, corbel welding robot; 304, corbel positioning device; 305, base; 306, support; 307, support arm; 308, positioning seat; 309, 310, the second positioning arm; 311, the positioning slot; 312, the first positioning block; 313, the second positioning block; 314, the first motor; 315, the first gear; 316, the first guide rail; 317, the first slider; 318, the second rack; 319, the second motor; 320, the second gear; 321, the screw; 322, the third motor;

401, penetration welding seat; 402, the fourth movable flip frame; 403, penetration welding robot;

501, the first outer frame; 502, the first turret; 503, the through groove; 504, the first fixed roller; 505, the first movable roller; 506, the second fixed roller; 507, the second movable roller; 508, the deceleration Motor; 509, movable seat; 510, moving rod; 511, cylinder seat; 512, movable cylinder; 513, linear guide rail; 514, limit block; 515, first drive motor; 516, first drive arc rack; 517, the first support wheel; 518, the first limit wheel;

601, the second outer frame; 602, the second turret; 603, the opening; 604, the support plate; 605, the pressure plate; 606, the pressing cylinder; 607, the second drive motor; 608, the second transmission arc rack; 609, the second support wheel; 610, the second limit wheel.

Detailed ways

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the related drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that a thorough and complete understanding of the present disclosure is provided. It should be noted that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to FIGS. 1 to 9. FIG. 1 is a structural block diagram of a square pipe column production line of the present invention; FIG. 2 is a structural schematic diagram of a flip-chamfering mechanism of the present invention; FIG. 3 is a structural schematic diagram of a tongue plate positioning device of the present invention. Fig. 4 is the structural representation of the tongue plate assembly mechanism of the present invention; Fig. 5 is the structural representation of the first movable overturning frame and the second movable overturning frame; Fig. 6 is the structural representation of the corbel assembly mechanism; Fig. 7 is the corbel positioning device Figure 8 is a schematic structural diagram of the penetration welding mechanism; Figure 9 is a schematic structural diagram of the third movable flip frame, the fourth movable flip frame.

In this embodiment, a square pipe string production line includes:

Flip chamfering mechanism 1, used to realize the chamfering of both ends of the square pipe column;

Tongue plate assembly mechanism 2, for inserting and fixing tongue plates at both ends of the square pipe column;

The corbel assembly mechanism 3 is used to position and install the corbel and flange on the square pipe column;

The penetration welding mechanism 4 is used to realize full welding of each component on the square pipe column;

A transition roller conveying line 5 is arranged between the tongue assembly mechanism 2 and the corbel assembly mechanism 3;

The overturning chamfering mechanism 1, the tongue plate assembly mechanism 2, the corbel assembly mechanism 3, the transition roller conveying line 5 and the penetration welding mechanism 4 are arranged in sequence to form a fully automatic continuous production line .

Specifically, in this embodiment, the inverting chamfering mechanism 1 includes a chamfering base 101 , two first movable flipping frames 102 and two chamfering robots (not shown in the figure). Corner robots are distributed at both ends of the chamfering base 101 , the first movable flip frame 102 is connected to the chamfering base 101 movably along the transfer direction of the square pipe column, and the first movable flip The frame 102 can drive the square pipe column to turn over.

Specifically, in this embodiment, the tongue assembling mechanism 2 includes a tongue assembling seat 207 , two second movable flip frames 208 , a tongue welding robot, and a tongue assembling seat 207 disposed at both ends of the tongue assembling seat 207 . Tongue plate positioning device 209, the second movable overturning frame 208 is connected to the tongue plate assembly base 207 so as to move along the transfer direction of the square pipe column, and the second movable overturning frame 208 can drive the square pipe column to overturn, The tongue plate positioning device 209 includes a movable seat 201, a bracket 202, a support plate 204 and a magnetic positioning plate 203 for adsorbing the tongue plate. The column can pass through the bracket 202, the magnetic positioning plate 203 is a square structure, and the magnetic positioning plate 203 is fixed on the supporting plate 204, and the supporting plate 204 is driven by the lifting cylinder 205 to realize the up and down movement , and the support plate 204 is slidably connected to the bracket 202 that can move up and down, the bracket 202 is fixed on the movable seat 201, and the movable seat 201 is driven by the movable cylinder 206 to realize the movement along the square pipe column. Move in the transfer direction.

Specifically, in this embodiment, the first movable turning frame 102 and the second movable turning frame 208 have the same structure, and specifically include a first outer frame 501 , a first turret 502 and a clamping and conveying device. A first turret 502 is rotatably assembled in the outer frame 501, and the first turret 502 is driven to rotate by a first inversion driving device, the first inversion driving device includes a first driving motor 515, a first driving gear and the first drive circular arc rack 516, the first drive motor 515 is fixedly mounted on the first outer frame 501, the first drive gear is fixed on the output shaft of the first drive motor 515, so The first transmission arc rack 516 is fixed on the outer ring of the first turret 502, the first drive gear meshes with the first transmission arc rack 516, the first outer frame 501 The first outer frame 501 includes a first arc frame and a second arc frame, and the first arc frame The frame and the second arc frame are arranged in parallel at intervals, and the first arc frame and the second arc frame are fixedly connected, and the first arc frame and the second arc frame are correspondingly arranged There are several first support wheels 517 , and each first support wheel 517 is provided with a first limit wheel 518 , and both sides of the outer ring of the first turret 502 are respectively disposed on the first support wheels 517 Between the first limit wheel 518 and the first turret 502, there is a through slot 503 for the square pipe column to pass through. The through slot 503 is a square structure. The clamping and conveying device includes a first A pinch roller group and a second pinch roller group, the first pinch roller group includes a first fixed roller 504 and a first movable roller 505 , the first fixed roller 504 is the same as the first movable roller 505 In parallel, the first movable roller 505 can move relative to the first fixed roller 504 to be close to or away from the first fixed roller 504, and the second clamping roller set includes a second fixed roller 506 and a second movable roller Roller 507, the second fixed roller 506 is parallel to the second movable roller 507, the second movable roller 507 can move relative to the second fixed roller 506 to be close to or away from the second fixed roller 506 , the first fixed roller 504, the first movable roller 505, the second fixed roller 506, and the second movable roller 507 are all equipped with an independent deceleration motor 508 to realize rotation, and then can drive the square pipe column Moving; in the working state, the first fixed roller 504 , the first movable roller 505 , the second fixed roller 506 , and the second movable roller 507 are arranged in a square shape.

Further, the first movable roller 505 and the second movable roller 507 are both fixed on the movable seat 509, the movable seat 509 is connected with the moving rod 510, and the first turret 502 is fixedly installed with a cylinder seat 511, a movable cylinder 512 is hinged on the cylinder base 511, and the output end of the movable cylinder 512 is hinged to one end of the moving rod 510; in the initial state, the moving rod 510 is arranged horizontally, and the first Linear guide rails 513 are arranged on the turret 502 along the up-down direction, and a linear slider slidably matched with the linear guide rails 513 is fixed on the movable seat 509 .

In order to limit the movable distance of the first movable roller 505 and the second movable roller 507 , in this embodiment, a limiting block 514 is installed on the first turret 502 , and the middle of the moving rod 510 has a limited opening. The limit block 514 is located in the limit groove, and the length of the limit groove in the up-down direction is greater than the length of the limit block 514 in the up-down direction.

Specifically, in this embodiment, the corbel assembling mechanism 3 includes a corbel assembling seat 301, two third movable turning frames 302, a corbel welding robot 303, and a corbel positioning device 304 for locating the corbel position. The third movable overturning frame 302 is connected to the corbel mounting seat 301 so as to move along the transfer direction of the square pipe column, and the third movable overturning rack 302 can drive the square pipe string to overturn, and the corbel positioning device 304 includes a base 305, a support 306 and a support arm 307. The support 306 is connected to the base 305 so as to move left and right, and the support arm 307 is connected to the support 306 to move up and down. A positioning seat 308 is installed on the support arm 307 that can move back and forth, and a positioning assembly for positioning the corbel is installed on the positioning seat 308. The positioning assembly includes a first positioning arm 309 and a second positioning arm 310. The first positioning arm 309 is perpendicular to the second positioning arm 310, and the first positioning arm 309 and the second positioning arm 310 cooperate to form a positioning slot 311 with an opening downward. A first positioning block 312 for positioning is provided on the side end surface of 309, and a second positioning block 313 for positioning is provided on the side end surface of the second positioning arm 310. On the side end surface of the first positioning arm 309 , the second positioning block 313 protrudes from the side end surface of the second positioning arm 310 .

Further, a first rack is arranged on the support 306 in the up-down direction, a first motor 314 and a first reducer are installed on the support arm 307 , and the output shaft of the first motor 314 is connected to the first motor 314 . The input shaft of a reducer is connected in a drive, the output shaft of the first reducer is fixedly connected with a first gear 315 that meshes with the first rack, and a first gear 315 is arranged on the support 306 in the up-down direction. The guide rail 316, the support arm 307 is fixedly connected with a first sliding block 317 that slides with the first guide rail 316; the base 305 is arranged with a second rack 318 along the left-right direction, and the support 306 A second motor 319 and a second reducer are installed, the output shaft of the second motor 319 is drivingly connected with the input shaft of the second reducer, and the output shaft of the second reducer is fixedly connected with the input shaft of the second reducer. A second gear 320 meshing with the second rack 318, a second guide rail is arranged on the base 305 along the left-right direction, and a second slider slidably matched with the second guide rail is fixedly connected to the support 306; A lead screw 321 is arranged on the support arm 307 in the front-rear direction, and the lead screw 321 is driven to rotate by the third motor 322. The positioning seat 308 is fixedly connected with a lead screw nut, and the lead screw nut is threadedly connected to the On the screw rod 321 , the support arm 307 is provided with a third guide rail along the front-rear direction, and the positioning seat 308 is fixedly connected with a third sliding block slidingly matched with the third guide rail.

Specifically, in this embodiment, the penetration welding mechanism 4 includes a penetration welding seat 401 , two fourth movable overturning frames 402 and a penetration welding robot 403 , and the fourth movable overturning frame 402 can move along the square pipe column The moving in the transfer direction is connected to the penetration welding seat 401 , and the fourth movable overturning frame 402 can drive the square pipe column to overturn.

Further, the third movable overturning frame 302 and the fourth movable overturning frame 402 have the same structure, and specifically include a second outer frame 601 , a second rotating frame 602 and a clamping assembly. A second turret 602 is rotatably assembled, and the second turret 602 is driven to rotate by a second inversion driving device, which includes a second driving motor 607, a second driving gear and a second transmission Arc rack 608, the second drive motor 607 is fixedly mounted on the second outer frame 601, the second drive gear is fixed on the output shaft of the second drive motor 607, the second drive The arc rack 608 is fixed on the outer ring of the second turret 602, the second drive gear meshes with the second transmission arc rack 608, and the second outer frame 601 serves as the first The supporting and positioning bases of the two turrets 602 are arranged at the bottom of the second turret 602 , and the second outer frame 601 includes a third arc frame and a fourth arc frame. The third arc frame and the The fourth arc frame is arranged in parallel at intervals, and the third arc frame is fixedly connected to the fourth arc frame, and several Two support wheels 609, and each second support wheel 609 is provided with a second limit wheel 610, and the two sides of the outer ring of the second turret 602 are respectively disposed on the second support wheel 609 and the second support wheel 609. Between the two limiting wheels 610 , an opening 603 is formed on the second turret 602 , and the clamping assembly includes a support plate 604 and a pressure plate 605 located inside the opening 603 . The support plate 604 and the pressure plate 605 are opposite to each other. set, and the pressing plate 605 is driven by the pressing cylinder 606, and is movably connected to the second turret 602 to be close to or away from the supporting plate 604, and the pressing plate 605 is adjacent to one end of the supporting plate 604. The end face is provided with pressure grooves which are matched with the corners of the square pipe column.

Since the volume of the pipe column behind the installation of the corbel will change, it is impossible to use the structure of the first movable overturning frame 102 to perform fixed overturning. The opening 603 is convenient for the square pipe string to be removed, and the transfer of the square pipe string between the transition roller conveying line 5 and the corbel assembly mechanism 3, and the transfer of the square pipe string between the corbel assembly mechanism 3 and the penetration welding mechanism 4 are all the same. Transported by truck hoisting.

During operation, the square pipe string is conveyed by the front-end conveyor line and passes through the through groove 503 on the first turret 502. During the process of conveying through the through groove 503, the first movable roller 505 is in a state away from the first fixed roller 504. , the second movable roller 507 is in a state away from the second fixed roller 506, and then, the movable cylinder 512 drives the moving rod 510 to move down, thereby causing the first movable roller 505 and the second movable roller 507 to move down, thereby realizing the opposite side of the pipe string. After clamping, the first drive motor 515 is started, and the first turret 502 is driven to rotate and turn over by the first drive gear and the first transmission arc rack 516 to cooperate with the chamfering robot to perform the chamfering operation. After the chamfering is completed , the movable cylinder 512 drives the moving rod 510 to reset, and the square pipe column is transported into the tongue plate assembly mechanism 2, and is moved by the two second movable overturning frames 208 of the tongue plate assembly mechanism 2. Specifically, due to the second movable overturning The frame 208 can move on the tongue plate assembly seat 207, so as long as one second movable flip frame 208 is in a loosened state, the other second movable flip frame 208 is in a clamped state, thereby pulling the square pipe column on the tongue. plate mounting base 207, and in this embodiment, the first fixed roller 504, the first movable roller 505, the second fixed roller 506, and the second movable roller 507 are equipped with independent deceleration The motor 508 can greatly improve the transfer capacity. After the square pipe column is moved to the position, the tongue plate is installed on the magnetic positioning plate 203. After the jacking cylinder 205 drives the support plate 204 to move up to the position, the moving cylinder 206 drives the movable seat 201 to face the square. The pipe string is moved so that the tongue plate adsorbed on the magnetic positioning plate 203 is inserted into the square pipe string, and then the tongue plate welding robot performs spot welding to realize the reliable connection between the tongue plate and the square pipe string; after the tongue plate is assembled, two The second movable overturning frame 208 transfers the square pipe string into the transition roller conveying line 5, and then transfers the square pipe string on the transition roller conveying line 5 to the opening 603 of the third movable overturning frame 302 by traveling. , the pressing cylinder 606 drives the pressing plate 605 to move down to press the square pipe string, then the electric cylinder drives the third movable flip frame 302 to move on the corbel assembly seat 301 to drive the square pipe string to move until one end of the square pipe string The end abuts on the limit stop at the front end, then, the corbel positioning device 304 starts to work, the second motor 319 drives the support 306 to move to the designated position in the left-right direction, and the first motor 314 drives the support arm 307 to move upward , then, the third motor 322 drives the positioning seat 308 to move backward to just above the square pipe column, and then the first motor 314 drives the support arm 307 to move downward until the inner side of the first positioning arm 309 presses against the square pipe column On the inclined surface of the front side, and the inner side of the second positioning arm 310 is pressed against the inclined surface of the rear side of the square pipe column, at this time, the corbel can be installed, because the first positioning block 312 protrudes out of the second A side end face of the positioning arm 309, the second positioning block 313 protrudes from the side end face of the second positioning arm 310, and the first positioning block 312, the second positioning block 313 The position of the corbel is designed according to the installation position of the corbel. When installing the corbel on the inclined surface of the front side of the square pipe column, the inner side of the corbel is pressed on the square pipe column, and the side of the corbel in the left and right direction is against On the side end surface of the first positioning arm 309, one end of the corbel in the front-rear direction is pressed against the first positioning block 312. When the corbel is installed on the inclined surface of the rear side of the square pipe column, the inner side of the corbel Pressed on the square pipe column, one side of the corbel in the left-right direction is against the side end surface of the second positioning arm 310, and one end of the corbel in the front-rear direction is against the second positioning block 313. After the corbel is positioned, spot welding is performed by the corbel welding robot 303 to realize the fixing of the corbel. Then, the second motor 319 drives the support 306 to move to the next position in the left-right direction to install the corbel. After the legs are installed, a flange is installed at the end of the square pipe column. Then, the pressing plate 605 of the third movable overturning frame 302 is moved upward and released, and the square pipe column is hoisted into the opening 603 of the fourth movable overturning frame 402 by traveling. Then, the pressing cylinder 606 drives the pressing plate 605 to move down to press the square pipe column, the second driving motor 607 starts, and the second driving gear and the second driving arc rack 608 are used to drive the second turret 602 to turn over. At the same time, the penetration welding robot 403 performs full welding. After the full welding is completed, the processing and production of the entire square pipe string is completed.

The present embodiment also discloses a square pipe string production process using the above-mentioned square pipe string production line, comprising the following steps:

a. Chamfer both ends of the opposite pipe string;

b. Insert tongue plates at both ends of the square pipe column and fix them by spot welding;

c. Positioning spot welding corbels and flanges on the square pipe column;

d. Full welding of the opposite pipe string.

The above-mentioned square pipe string production line and production process realize the fully automated production of square pipe strings, completely subvert the original square pipe string segmented discontinuous production mode, greatly improve production efficiency and product quality, and save a lot of manpower and material resources , energy and site, and to a large extent reduce the insecurity factor between processes.

The above embodiments only illustrate the basic principles and characteristics of the present invention, and the present invention is not limited by the above embodiments. Without departing from the spirit and scope of the present invention, the present invention also has various changes and changes. These changes and changes are all fall within the scope of the claimed invention. The claimed scope of the invention is defined by the appended claims.

Claims (10)

1. a square pipe string production line, is characterized in that: comprise: Flip chamfering mechanism for chamfering at both ends of the square pipe column; The tongue plate assembly mechanism is used to insert the tongue plate at both ends of the square pipe column and fix it; The corbel assembly mechanism is used to position and install the corbel and flange on the square pipe column; The penetration welding mechanism is used to realize the full welding of each component on the square pipe column; The overturning chamfering mechanism, the tongue plate assembling mechanism, the corbel assembling mechanism and the penetration welding mechanism are arranged in sequence to form a fully automatic continuous production line. 2 . The square pipe string production line according to claim 1 , wherein the turning and chamfering mechanism comprises a chamfering base, at least two first movable turning frames and two chamfering robots. 2 . Two chamfering robots are distributed at both ends of the chamfering base, the first movable flip frame is connected to the chamfering base movably along the transfer direction of the square pipe column, and the first movable flipping frame is connected to the chamfering base. The frame can drive the square pipe column to turn over. 3 . The square pipe string production line according to claim 2 , wherein the tongue plate assembly mechanism comprises a tongue plate assembly seat, at least two second movable overturning frames, a tongue plate welding robot, and a tongue plate welding robot. 4 . The tongue plate positioning device at both ends of the tongue plate assembly seat, the second movable overturning frame is connected to the tongue plate assembly seat so as to move along the transfer direction of the square pipe column, and the second movable overturning frame can drive the The square column is flipped. 4 . The production line for square pipe strings according to claim 3 , wherein the tongue plate positioning device comprises a movable seat, a bracket, a support plate and a magnetic positioning plate for adsorbing the tongue plate, and the magnetic positioning plate It is a square structure, and the magnetic positioning plate is fixed on the support plate, the support plate can move up and down and is connected to the bracket, the bracket is fixed on the movable seat, and the movable seat can move along the The square string moves in the transfer direction. 5 . The square pipe string production line according to claim 4 , wherein the first movable overturning frame and the second movable overturning frame have the same structure, and specifically include a first outer frame, a first turret and a clamp. 6 . A tight conveying device, a first turret is rotatably assembled in the first outer frame, and the first turret is driven to rotate by a first turning drive device, and a supply pipe column is opened on the first turret Through the through groove, the clamping and conveying device includes a first clamping roller group and a second clamping roller group, the first clamping roller group includes a first fixed roller and a first movable roller, the first clamping roller The fixed roller is parallel to the first movable roller, the first movable roller can move relative to the first fixed roller to be close to or away from the first fixed roller, and the second clamping roller group includes a second A fixed roller and a second movable roller, the second fixed roller is parallel to the second movable roller, and the second movable roller can move relative to the second fixed roller to be close to or away from the second fixed roller ; In the working state, the first fixed roller, the first movable roller, the second fixed roller and the second movable roller are arranged in a square shape. 6. A square pipe string production line according to any one of claims 1 to 5, wherein the corbel assembling mechanism comprises a corbel assembling seat, at least two third movable turning frames, and a corbel welding robot and a corbel positioning device for locating the position of the corbel, the third movable overturning frame can move along the transfer direction of the square pipe string and is connected to the corbel assembly seat, and the third movable overturning rack can drive the square pipe string flip. 7 . The square pipe string production line according to claim 6 , wherein the corbel positioning device comprises a base, a support and a support arm, and the support is connected to the base so as to be movable left and right, 8 . The support arm can move up and down and is connected to the support, and a positioning seat is installed on the support arm that can move back and forth, and a positioning assembly for positioning the corbel is installed on the positioning seat. It includes a first positioning arm and a second positioning arm, the first positioning arm is perpendicular to the second positioning arm, and the first positioning arm and the second positioning arm cooperate to form a positioning groove with an opening downward A first positioning block for positioning is provided on the side end surface of the first positioning arm, and a second positioning block for positioning is provided on the side end surface of the second positioning arm. The second positioning block protrudes from the side end face of the first positioning arm, and the second positioning block protrudes from the side end face of the second positioning arm. 8 . The square pipe string production line according to claim 7 , wherein the penetration welding mechanism comprises a penetration welding seat, at least two fourth movable overturning frames and a penetration welding robot, and the fourth The movable overturning rack can move along the transfer direction of the square pipe string and is connected to the penetration welding seat, and the fourth movable overturning rack can drive the square pipe string to overturn. 9 . The square pipe string production line according to claim 8 , wherein the third movable overturning frame and the fourth movable overturning frame have the same structure, and specifically include a second outer frame and a second turret. 10 . and a clamping assembly, a second turret is rotatably assembled in the second outer frame, and the second turret is driven to rotate by a second turning drive device, and an opening is provided on the second turret, so The clamping assembly includes a support plate and a pressure plate located inside the opening, the support plate and the pressure plate are arranged oppositely, and the pressure plate is movably connected to the second turret to be close to or away from the support plate, An end surface of the pressing plate adjacent to one end of the supporting plate is provided with a pressing groove which is adapted to the angle of the square pipe column. 10. a square pipe string production process using the square pipe string production line as described in any one of claims 1 to 9, is characterized in that: comprise the following steps: a. Chamfer both ends of the opposite pipe string; b. Insert tongue plates at both ends of the square pipe column and fix them by spot welding; c. Positioning spot welding corbels and flanges on the square pipe column; d. Full welding is performed on the opposite column.

Images