CN106006049A - Automatic steel pipe stacking device based on magnetic attraction - Google Patents

Abstract

The invention discloses an automatic stacking device for steel pipes based on magnetic suction, which includes a column frame, a swing arm mechanism is installed on the top of the column frame, and a lifting mechanism for layer-by-layer stacking is fixed on the swing arm mechanism , the lifting mechanism is equipped with an adjustable magnetic suction device for transporting steel pipes, and the column frame is also provided with an odd-even layer limit adjustment mechanism for limit adjustment of the horizontal movement of the steel pipes, and the column A material frame is provided at the bottom of the frame, and a transitional material rack is provided on one side of the material frame. The above-mentioned automatic palletizing device for steel pipes based on magnetic suction has the advantages of simple structure, good mechanism continuity, high work efficiency, high degree of automation and strong versatility, and is suitable for palletizing and packaging of modern steel pipe production enterprises.

Description

An automatic palletizing device for steel pipes based on magnetic suction

technical field

The invention belongs to the technology of automatic stacking of steel pipes, in particular to an automatic stacking device for steel pipes based on magnetic suction.

Background technique

After the steel pipes pass the sampling inspection, bundling and packaging is the last process before leaving the factory. In the national standard GB2102-88, there are four types of steel pipe bundled packages: round, rectangular, frame and hexagonal. Compared with the other three packages, the hexagonal package has stable shape, economical packaging and easy operation. , neat and beautiful appearance, and large stress area when stacked, so in actual production and application, steel pipe manufacturers often choose hexagonal packaging. At present, domestically, manual palletizing is still mainly used for hexagonal packages. The workers' work intensity is high and the work efficiency is low, which cannot meet the production needs of modern steel pipe enterprises. Although the current market has an independent and complete steel pipe baler system, all of them have disadvantages such as complex structure, loud noise and high cost.

Contents of the invention

The purpose of the present invention is to provide an automatic palletizing device for steel pipes based on magnetic force, which has the characteristics of improving work efficiency, reducing labor intensity, simple structure and low cost, so as to solve the above-mentioned problems existing in the steel pipe palletizing process in the prior art question.

For reaching this purpose, the present invention adopts following technical scheme:

An automatic palletizing device for steel pipes based on magnetic force absorption, which includes a column frame, a swing arm mechanism is installed on the top of the column frame, and a lifting mechanism for layer-by-layer stacking is fixed on the swing arm mechanism. An adjustable magnetic suction device for transporting steel pipes is installed on the mechanism, and an odd-even layer limit adjustment mechanism for limit adjustment of the lateral movement stop position of the steel pipes is also provided on the column frame, and the bottom of the column frame is set There is a material frame, and a transitional material rack is arranged on one side of the material frame.

In particular, the swing arm mechanism includes a hinge block, a crank and a rotating cylinder, and the hinge block and the rotating cylinder are both installed on the column frame; one end of the crank forms an articulated rotation with the hinge block, and the other end is connected with the lifting mechanism; The piston rod of the rotating cylinder is hinged to the crank, and the rotating cylinder drives the crank to rotate and move the steel pipe from the transition material frame to the material frame.

In particular, the lifting mechanism includes a linear guide rail, a lifting upper slider, a lifting lower slider, a lifting left cylinder, a lifting right cylinder and a linear guide rail frame, and the linear guide rail is installed on the linear guide rail frame; The lifting right cylinder is all connected and fixed on the lifting upper slider, and the piston rod of the lifting left cylinder is connected and fixed with the linear guide frame, and the piston rod of the lifting right cylinder is connected and fixed with the lifting lower slider.

In particular, the lifting mechanism also includes an upper slider connecting plate, a lower slider connecting plate, a left cylinder piston rod adapter plate, a left cylinder installation adapter plate, a right cylinder piston rod adapter plate and a right cylinder installation adapter plate The connecting plate of the upper slider is connected with the upper and lower sliders on the linear guide rails on both sides by screws; the connecting plate of the lower slider is connected with the lower sliders on the linear guide rails on both sides by screws; The flange type installation method is installed on the left cylinder installation adapter plate, the left cylinder installation adapter plate is installed on the upper slider connecting plate through screws, and the piston rod of the lifting left cylinder is connected and fixed on the left cylinder piston rod adapter plate. On the linear guide rail frame; the lifting right cylinder is installed on the right cylinder installation adapter plate through the tail end flange type installation method, and the right cylinder installation adapter plate is installed on the upper slider connecting plate through screws, and the lifting right cylinder The piston rod is connected and fixed on the lower slider connecting plate through the right cylinder piston rod adapter plate.

In particular, the adjustable magnetic suction device includes a multi-link mechanism, a rotary cylinder, a magnetic device, a limit plate and a frame, and the frame is connected and fixed on the lifting mechanism; the rotary cylinder and the magnetic device are installed in the frame, The rotary cylinder is connected to the magnetic device through a guide rod, and the multi-link mechanism is connected to the magnetic device; the limiting plates are installed on both sides of the frame.

In particular, the adjustable magnetic suction device also includes an adapter plate and a threaded guide rod, the magnetic device is installed and fixed on the adapter plate, and the rotary cylinder is installed on the adapter plate through the tail end flange. There are threaded holes on the magnetic device, and the threaded guide rod is threadedly connected to the magnetic device, and the connecting rod of the multi-link mechanism is sleeved on the threaded guide rod to form a hinged rotation to realize the position adjustment of the magnetic device.

In particular, the frame includes an installation box, a cover plate and connecting square steel, a magnetic device and a rotary cylinder are installed in the installation box, and the installation box is fixed on the cover plate by screw connection; the cover plate is connected by screw It is fixed on the connecting square steel; the connecting square steel is fixed on the lifting mechanism through screw connection.

In particular, the odd-even layer limit adjustment mechanism includes a limit cylinder, a stopper and an adjustment plate, and the adjustment plate is installed and fixed on the beam of the column frame; the limit cylinder and the stopper are all installed on the adjustment plate, The limiting cylinder is adjustably mounted on the adjusting plate.

The beneficial effect of the present invention is that, compared with the prior art, the automatic palletizing device for steel pipes based on magnetic force has the following advantages:

1) The pneumatic swing arm mechanism and the two-stage pneumatic lifting mechanism are used to realize the lifting and lateral movement of the steel pipe through the action of multiple cylinders, and complete the hexagonal packaging and stacking of the steel pipe. The mechanism has good continuity, simple operation and convenient control;

2) The odd-even layer limit adjustment mechanism adopted solves the problem of the difference of one steel pipe radius in the lateral movement distance of steel pipes when stacking odd-numbered layers and even-numbered layers, and solves the stacking problem of steel pipes of different specifications at the same time, with a simple structure;

3) The adjustable magnetic suction device adopted can realize the automatic palletizing of steel pipes of different specifications by adjusting the relative position of the magnetic device and changing the specification of the limit plate, which has strong versatility;

4) The two-stage pneumatic lifting structure adopted reduces the overall height of the steel pipe automatic palletizing device, making the structure more rational, and the layer-by-layer stacking of steel pipes is completed under the action of two-stage pneumatic;

5) Overall, it has the advantages of simple operation, easy automation, high production efficiency, and low work intensity of workers, and has a broad market application prospect.

Description of drawings

Fig. 1 is a front view of an automatic palletizing device for steel pipes based on magnetic suction provided in Embodiment 1 of the present invention;

Fig. 2 is a side view of the automatic palletizing device for steel pipes based on magnetic suction provided in Embodiment 1 of the present invention;

Fig. 3 is a schematic diagram of the three-dimensional structure of the automatic palletizing device for steel pipes based on magnetic suction provided in Embodiment 1 of the present invention;

Fig. 4 is a structural schematic diagram of the pneumatic swing arm mechanism of the automatic palletizing device for steel pipes based on magnetic suction provided in Embodiment 1 of the present invention;

Fig. 5 is a structural schematic diagram of a two-stage pneumatic lifting mechanism of a steel pipe automatic palletizing device based on magnetic suction provided in Embodiment 1 of the present invention;

Fig. 6 is a schematic structural view of the odd-even layer limit adjustment mechanism of the steel pipe automatic palletizing device based on magnetic force suction provided in Embodiment 1 of the present invention;

7 is a front view of the adjustable magnetic suction device of the automatic palletizing device for steel pipes based on magnetic suction provided in Embodiment 1 of the present invention;

Fig. 8 is a side view of the adjustable magnetic suction device of the automatic palletizing device for steel pipes based on magnetic suction provided in Embodiment 1 of the present invention;

Fig. 9 is a schematic structural diagram of the multi-link mechanism of the adjustable magnetic suction device of the automatic palletizing device for steel pipes based on magnetic suction provided in Embodiment 1 of the present invention.

detailed description

The technical solution of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

Please refer to Figures 1 to 9. In this embodiment, an automatic palletizing device for steel pipes based on magnetic force absorption includes a column frame 1, a pneumatic swing arm mechanism 2, a two-stage pneumatic lifting mechanism 3, and an odd and even layer limit adjustment mechanism. 4 and adjustable magnetic suction device 5. The pneumatic swing arm mechanism 2 is installed on the column frame 1, and the steel pipe is moved laterally from the transition material rack 6 to the hexagonal material frame 7 through the rotation of the crank 22; the two-stage pneumatic lifting mechanism 3 is connected and fixed on the pneumatic swing arm On the mechanism 2, the layer-by-layer stacking of steel pipes in the material frame 7 is realized; the odd-even layer limit adjustment mechanism 4 is installed on the column frame 1, and it acts as a limit adjustment for the horizontal movement of the steel pipes to realize the even-even layer stacking of the steel pipes. The palletizing; the adjustable magnetic suction device 5 is installed on the two-stage pneumatic lifting mechanism 3, and the mutual position between the magnetic devices 53 is adjusted through a multi-link mechanism to adapt to the suction of steel pipes of different specifications.

The pneumatic swing arm mechanism 2 includes a hinge block 21 , a crank 22 and a rotary cylinder 23 . The hinge block 21 is installed on the top of both sides of the column frame 1 through screw connection; the rotating cylinder 23 is installed on the crossbeam of the column frame 1 in the form of a double-ear fixing seat; 21 forms a hinged rotation, and the other end forms a hinged rotation with the linear guide rail frame 36 through the pin shaft. The crank 22 is arranged on the inner side of the column frame 1. While meeting the requirements for the steel pipe’s lateral movement distance, the length of the crank is reduced, so that the automatic stacking device for steel pipes The overall height of the cylinder is reduced, and the structure is more rationalized; the piston rod of the rotating cylinder 23 is hinged with the crank 22 through the Y joint, and the crank 22 rotates under the action of the rotating cylinder 23 to move the steel pipe from the transition material rack 6 to the hexagonal material frame 7 in. The sliding bearings of the same specification are installed on both sides of the crank 22 and the hinge block 21. The sliding bearings can bear heavy loads. Connection limit. The lower end of the hinge block 21 and the top end of the column frame 1 are welded with steel plates, connected by screws, and the contact surfaces are all processed surfaces.

The structure of the hinged block 21: first weld the steel plate to the lower end surface of the square steel, then process the two hinged blocks 21 together with the lower end surface of the hole and the steel plate to ensure the coaxiality of the upper hinge point of the parallelogram structure crank 22 on both sides, Finally, weld the bearing sleeve through the processing hole on the square steel;

The structure of the column frame 1: first, the steel plate is welded on the top of the column, and then the upper end surface of the steel plate is processed together by the two columns. The cooperation between the lower end surface of the steel plate of the hinge block 21 and the top surface of the column frame 1 can ensure the parallelism requirement of the parallelogram mechanism.

The two-stage pneumatic lifting mechanism 3 includes a linear guide rail 31 , a lifting upper slider 32 , a lifting lower slider 33 , a lifting left cylinder 34 , a lifting right cylinder 35 and a linear guide rail frame 36 . The linear guide rail 31 is installed on the linear guide rail frame 36; the lifting left cylinder 34 and the lifting right cylinder 35 are all connected and fixed on the lifting upper slider 32, and the piston rod of the lifting left cylinder 34 is connected and fixed with the linear guide rail frame 31, The piston rod of the lifting right cylinder 35 is connected and fixed with the lifting slider 33. The two-stage pneumatic structure reduces the overall height of the steel pipe automatic palletizing device and optimizes the overall structural design. When the steel pipe is moving up and down, it is necessary to use the throttle valve to make the cylinder move smoothly. At the same time, it cooperates with the pressure sensor on the adjustable magnetic suction device 5. When the steel pipe reaches or approaches the material level during the material loading process, the air intake valve of the air cylinder is closed. , pressure-holding and slow release to complete the layer-by-layer palletizing of steel pipes.

The linear guide rail frame 36 is formed by welding two U-shaped frames. The first U-shaped frame is first welded into a U-shape by square steel. After welding, two holes are processed, and the bearing sleeve is welded on the U-shaped frame through the processed holes to ensure the coaxiality of the hinge points at the lower ends of the parallelogram structure crank 22 on both sides. degree, the bearing sleeve on the U-shaped frame and the sliding bearing, the crank 22 and the sliding bearing are all interference fit, and then connected to the limit through the pin shaft; the second U-shaped frame is also welded into a U shape by square steel, and then the straight line The connecting plate of the guide rail mounting plate and the piston rod adapter plate is welded. After the welding is completed, the mounting surface of the linear guide rail and the connecting surface of the piston rod adapter plate are processed as a whole to ensure the parallelism of the two linear guide rails and the two-stage pneumatic movement. reliability.

The two-stage pneumatic lifting mechanism 3 also includes an upper slider connecting plate 321, a lower slider connecting plate 331, a left cylinder piston rod adapter plate 341, a left cylinder installation adapter plate 342, a right cylinder piston rod adapter plate 351 And the right cylinder is installed adapter plate 352. The upper slider connecting plate 321 connects the lifting upper slider 32 on the linear guide rails 31 on both sides by screws; the lower slider connecting plate 331 connects the lifting lower sliders 33 on the linear guide rails 31 on both sides by screws; The lifting left cylinder 34 is installed on the left cylinder installation adapter plate 342 through the front flange type installation method, and the left cylinder installation adapter plate 342 is installed on the upper slider connecting plate 321 through screws, and the piston rod of the lifting left cylinder 34 passes through The left cylinder piston rod adapter plate 341 is connected and fixed on the linear guide rail frame 36; the lifting right cylinder 35 is installed on the right cylinder installation adapter plate 352 through the tail end flange type installation method, and the right cylinder installation adapter plate 352 Installed on the upper slider connecting plate 321 by screws, the piston rod of the lifting right cylinder 35 is connected and fixed on the lower slider connecting plate 331 through the right cylinder piston rod adapter plate 351 .

The odd-even layer limit adjustment mechanism 4 includes a limit cylinder 41 , a stopper 42 and an adjustment plate 43 . The adjusting plate 43 is installed and fixed on the crossbeam of the column frame 1; the limiting cylinder 41 and the block 42 are all installed on the adjusting plate 43, and the installation position of the limiting cylinder 41 on the adjusting plate 43 is adjustable. It is an axial tripod type, and the length dimension of the stopper 42 needs to be replaced according to steel pipes of different specifications, and the installation position is fixed. By adjusting the installation position of the limit cylinder 41 and the length of the stopper 42, the problem of the difference of one steel pipe radius in the lateral movement distance of steel pipes when stacking odd-numbered layers and even-numbered layers can be solved, and the stacking problem of steel pipes of different specifications can be solved at the same time.

The adjustable magnetic suction device 5 includes a multi-link mechanism 51 , a rotary cylinder 52 , a magnetic device 53 , a limiting plate 54 and a frame 55 . The frame 55 is connected and fixed on the two-stage pneumatic lifting mechanism 3; the rotary cylinder 52 and the magnetic device 53 are installed in the frame 55, and the rotary cylinder 52 is connected with the magnetic device 53 through a guide rod to control the switch of the magnetic device 53; The multi-link mechanism 51 is connected with the magnetic device 53; the limiting plate 54 is installed on both sides of the frame 55. The position of the magnetic device 53 is adjusted through the multi-link mechanism 51 and the specification of the limit plate 54 is replaced to complete the suction and transportation of steel pipes with different specifications.

The frame 55 includes an installation box 551 , a cover plate 552 and a connecting square steel 553 . The installation box 551 is used to install the magnetic device 53 and the rotary cylinder 52. The installation box 551 is fixed on the cover plate 552 by screw connection; the cover plate 552 is fixed on the connection square steel 553 by screw connection; the connection square steel 553 is fixed on the lower slider connecting plate 331 of the two-stage pneumatic lifting mechanism 3 by screw connection.

The adjustable magnetic suction device 5 further includes an adapter plate 56 and a threaded guide rod 57 . The magnetic device 53 is installed and fixed on the adapter plate 56), and the rotary cylinder 52 is installed on the adapter plate 56 in a flange-type installation manner at the tail end. The adapter plate 56 is arranged in the installation box 551, except for the leftmost The position of the adapter plate 56 is fixed, and the positions of other adapter plates 56 are adjustable; threaded holes are arranged on the magnetic device 53, and the threaded guide rod 57 is threaded on the magnetic device 53, and the connecting rod of the multi-link mechanism 51 is sleeved on the magnetic device 53. The threaded guide rod 57 forms an articulated rotation to complete the multi-link mechanism, and realizes the position adjustment of the magnetic device.

The above embodiments have only set forth the basic principles and characteristics of the present invention, the present invention is not limited by the above-mentioned examples, and on the premise of not departing from the spirit and scope of the present invention, the present invention also has various changes and changes, and these changes and changes all fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. An automatic palletizing device for steel pipes based on magnetic force absorption, characterized in that it comprises a column frame, and a swing arm mechanism is installed on the top of the column frame, and is fixed on the swing arm mechanism for layer-by-layer stacking. The lifting mechanism is equipped with an adjustable magnetic suction device for carrying steel pipes, and the column frame is also provided with an odd-even layer limit adjustment mechanism for limit adjustment of the horizontal movement of the steel pipes. A material frame is provided at the bottom of the column frame, and a transitional material rack is provided on one side of the material frame. 2. The automatic stacking device for steel pipes based on magnetic suction according to claim 1, wherein the swing arm mechanism includes a hinge block, a crank and a rotating cylinder, and the hinge block and the rotating cylinder are all installed on the column frame One end of the crank is hinged with the hinge block, and the other end is connected with the lifting mechanism; the piston rod of the rotating cylinder is hinged with the crank, and the rotating cylinder drives the crank to move the steel pipe from the transition material rack to the material frame . 3. The automatic palletizing device for steel pipes based on magnetic suction according to claim 1, wherein the lifting mechanism includes linear guide rails, lifting upper sliders, lifting lower sliders, lifting left cylinders, lifting right cylinders, and linear guide rails. The guide rail frame, the linear guide rail is installed on the linear guide rail frame; the lifting left cylinder and the lifting right cylinder are both connected and fixed on the lifting upper slider, and the piston rod of the lifting left cylinder is connected and fixed with the linear guide rail frame. The piston rod of the lift right cylinder is connected and fixed with the lift lower slider. 4. The automatic palletizing device for steel pipes based on magnetic suction according to claim 3, wherein the lifting mechanism also includes an upper slider connecting plate, a lower slider connecting plate, a left cylinder piston rod adapter plate, a left The cylinder is installed with an adapter plate, the right cylinder piston rod adapter plate, and the right cylinder is installed with an adapter plate. The upper slider connecting plate is connected with the upper and lower sliders on the linear guide rails on both sides through screws; the lower slider connecting plate is passed through Screws connect the lifting and lower sliders on the linear guide rails on both sides; the lifting left cylinder is installed on the left cylinder installation adapter plate through the front flange type installation method, and the left cylinder installation adapter plate is installed on the upper slider through screws On the board, the piston rod of the lifting left cylinder is connected and fixed on the linear guide rail frame through the piston rod adapter plate of the left cylinder; The cylinder installation adapter plate is installed on the upper slider connecting plate by screws, and the piston rod of the lifting right cylinder is connected and fixed on the lower slider connecting plate through the right cylinder piston rod adapter plate. 5. The automatic palletizing device for steel pipes based on magnetic suction according to claim 1, wherein the adjustable magnetic suction device includes a multi-link mechanism, a rotary cylinder, a magnetic device, a limit plate and a frame, and the The frame is connected and fixed on the lifting mechanism; the rotary cylinder and the magnetic device are installed in the frame, the rotary cylinder is connected to the magnetic device through a guide rod, and the multi-link mechanism is connected to the magnetic device; the limit plate is installed on frame sides. 6. The automatic palletizing device for steel pipes based on magnetic suction according to claim 5, wherein the adjustable magnetic suction device also includes an adapter plate and a threaded guide rod, and the magnetic device is fixed on the adapter plate On the above, the rotary cylinder is installed on the adapter plate through the tail end flange, there are threaded holes on the magnetic device, the threaded guide rod is connected to the magnetic device through threads, and the connecting rod sleeve of the multi-link mechanism A hinged rotation is formed on the threaded guide rod to realize the position adjustment of the magnetic device. 7. The automatic stacking device for steel pipes based on magnetic suction according to claim 5, wherein the frame includes an installation box, a cover plate and connecting square steel, a magnetic device and a rotary cylinder are installed in the installation box, and The installation box is fixed on the cover plate through screw connection; the cover plate is fixed on the connection square steel through screw connection; the connection square steel is fixed on the lifting mechanism through screw connection. 8. The automatic palletizing device for steel pipes based on magnetic suction according to claim 1, wherein the odd and even layer limit adjustment mechanism includes a limit cylinder, a stopper and an adjustment plate, and the adjustment plate is installed and fixed on the column On the beam of the frame; the limit cylinder and the stopper are installed on the adjustment plate, and the limit cylinder is adjustably installed on the adjustment plate.