Large-step-pitch trapezoidal material sheet stacking device

Abstract

The invention discloses a large-step-pitch trapezoidal material sheet stacking device in the field of stackers, which comprises two inverted U-shaped side supports which are bilaterally symmetrical, at least two groups of longitudinal driving mechanisms which are spaced front and back are arranged between each side support and a corresponding cross beam, two extending beams which are bilaterally symmetrical are longitudinally arranged on a mounting frame; a transverse installation rod is arranged between the two extending beams, two supporting arms which are symmetrical left and right are connected to the installation rod, the ends of the two supporting arms are fixed to a transverse material supporting frame, two rows of supporting wheels which are distributed at equal intervals in the transverse direction are arranged on the transverse material supporting frame, and two longitudinal guide rods are movably connected to the installation frame. The front ends of the two guide rods are fixed to transverse side flapping arms, two worm and gear lifters are longitudinally arranged on the mounting frame, and the working ends of the worm and gear lifters are connected with the corresponding side flapping arms. According to the stacking device, trapezoidal material sheets of different sizes and specifications can be stacked, the use scene and range are wider, and the stacking device is more practical.

Description

Technical Field

[0001] The invention belongs to the field of palletizers, and in particular relates to a large-pitch trapezoidal sheet palletizing device. Background Art

[0002] A palletizer is a device that automatically stacks the sheets or other materials transported by the conveyor into stacks according to the working mode required by the customer's process, and transports the stacked materials. The palletizer can meet the production needs of medium and low output. It can complete the palletizing of various products such as sheets according to the required grouping method and number of layers, and the optimized design makes the stack shape compact and neat. At present, the palletizer in the prior art can only be used for palletizing rectangular sheets, and its disadvantage is that it cannot palletize trapezoidal sheets of different sizes and specifications, which has limitations. Summary of the invention

[0003] The purpose of the present invention is to provide a large-pitch trapezoidal sheet stacking device, which can stack trapezoidal sheets of different sizes and specifications, has a wider range of usage scenarios and scope, and can stack sheets with inclined angled bent edges on the left and right sides, making it more practical.

[0004] The object of the present invention is achieved in this way: a large-pitch trapezoidal sheet stacking device comprises two left-right symmetrical inverted U-shaped side brackets, a plurality of longitudinal beams are arranged between the tops of the two side brackets, the middle of each longitudinal beam is fixed to a cross beam, at least two groups of longitudinal drive mechanisms spaced front and back are arranged between each side bracket and the corresponding cross beam, each longitudinal drive mechanism of each side bracket is connected to a rectangular mounting frame in a transmission manner, the two mounting frames are arranged correspondingly on the left and right, two left-right symmetrical extension beams are longitudinally arranged on the mounting frame, a transverse mounting rod is arranged between the two extension beams, two left-right symmetrical support arms are connected to the mounting rod, and the ends of the two support arms are fixed to the transverse support frame The horizontal support frame is provided with two rows of support wheels which are evenly spaced laterally, and the mounting frame is movably connected with two longitudinal guide rods, and the front ends of the two guide rods are fixed to the horizontal side flapping arms, and the side flapping arms are located below the corresponding horizontal support frames, and two worm gear lifts are longitudinally arranged on the mounting frame, and the working ends of the worm gear lifts are connected to the corresponding side flapping arms; two front-to-back symmetrical longitudinal beams 2 are arranged between the two side brackets, and the height of the longitudinal beam 2 is less than the height of the longitudinal beam 1, and an air duct is arranged in the middle of the front longitudinal beam 2, and the upper part of the air duct is connected with the longitudinal support frame, and the longitudinal support frame is located above the air outlet of the air duct, and the longitudinal support frame is provided with two rows of support wheels which are evenly spaced longitudinally.

[0005] The present invention is used in conjunction with a conveyor, the conveyor belt of the conveyor is arranged at the front side of the longitudinal support rack, and after the sheet product enters the palletizer, the transverse support racks on both sides jointly support the product, and each support rack has a set of screw mechanisms on the left and right sides. After the product completely enters the support rack, the screw rotates to drive the transverse support rack to open, so that the product falls onto the lifting platform of the mobile vehicle, and the side slapping arms on both sides are connected to the worm gear elevators. After the product falls onto the lifting trolley, the worm gear elevators on both sides or the side slapping arms driven by the cylinders respectively slap the stack of materials, so that the falling product is flush with the stack of materials, and the worm gear elevators are lifted by the worm gears. The machine drives the side flapping arms on both sides to shrink inward or open outward at the same time, and adjust according to the width of the product; the air duct is connected to the blower externally, which plays a certain role in supporting the material. The longitudinal support rack and the two transverse support racks form a U shape to stably support the material pieces; the telescopic block adjusts the front and rear positions through the internal adjustment screw to provide positioning when stacking and receiving materials. The rear baffle is installed on the second screw and is driven by the rear baffle motor to move forward and backward, cooperating with the telescopic block to limit the front and rear stacking positions of the product; the rear baffle connected to the rotating screw of the worm gear box is controlled by a handwheel to adjust the angle of the rear baffle to fit the inclined edge of the trapezoidal material piece. Compared with the prior art, the beneficial effects of the present invention are: it can stack trapezoidal materials of different sizes and specifications, with a wider range of usage scenarios and scope, and it can stack materials with inclined angle bent edges on the left and right sides, which is more practical.

[0006] As a further improvement of the present invention, the longitudinal drive mechanism includes two supports 1 respectively arranged on the cross beam and the upper part of the corresponding side bracket, a screw rod 1 connected to the motor transmission is rotatably arranged between the two corresponding left and right supports 1, a screw rod nut is sleeved on the screw rod 1, and the screw rod nuts on each screw rod 1 of the two side brackets are respectively connected to the corresponding mounting frame. The screw rod 1 is connected to the motor, and the screw rod 1 rotates to drive the mounting frame to move longitudinally through the screw rod nut.

[0007] As a further improvement of the present invention, a guide rod is longitudinally arranged between the two corresponding left and right support seats, located on the left and right sides of the screw rod, and a guide seat is arranged on the upper side of the mounting frame corresponding to each guide rod, and the guide rod is arranged to pass through the guide hole of the corresponding guide seat. The two guide seats on the mounting frame move along the guide rod to play a guiding and supporting role for the mounting frame.

[0008] As a further improvement of the present invention, an installation box is provided below the air duct on the second longitudinal beam. A movable box is movably connected to the upper side of the installation box. A front air cylinder is arranged inside the movable box. The piston rod of the front air cylinder is arranged horizontally and a telescopic stop block is provided at the end. A screw rod assembly is arranged horizontally inside the installation box. The screw nut of the screw rod assembly is in transmission connection with the movable box. The upper part of the installation box is provided with an opening corresponding to the movable box. A hand wheel is arranged on the front side of the installation box. The wheel shaft of the hand wheel is arranged longitudinally. The front end of the screw rod of the screw rod assembly is meshed and connected with the bevel gear at the end of the wheel shaft of the hand wheel through a bevel gear. The hand wheel controls the rotation of the wheel shaft. The bevel gear pair drives the rotation of the screw rod of the screw rod assembly. The movable box is driven to move through the screw nut. The front air cylinder moves back and forth, and the front and back positions of the sheet are adjusted through the telescopic stop block.

[0009] As a further improvement of the present invention, two corresponding supports II are provided on the lower side of the cross beam, one in front of the other. A screw rod II connected to the motor is rotatably arranged between the two supports II. The screw nut of the screw rod II is connected to the worm and gear box. A worm and gear assembly is arranged inside the worm and gear box. A rotating screw rod is fixedly installed on the worm of the worm and gear assembly through a keyway. The rotating screw rod extends downward out of the worm and gear box and is connected with a rear baffle. One end of the worm of the worm and gear assembly extends out of the worm and gear box and is connected with a hand wheel. The rear baffle is arranged corresponding to the telescopic stop block. The longitudinal sheet support is arranged corresponding to the two transverse sheet supports. When the screw rod II rotates, the worm and gear box is driven to move back and forth through the screw nut. The hand wheel controls the rear baffle connected to the rotating screw rod of the worm and gear box to adjust the angle of the rear baffle, so as to match the inclined side of the trapezoidal sheet.

[0010] As a further improvement of the present invention, an adjusting mounting sleeve is arranged on the upper part of the support arm. The adjusting mounting sleeve is rotatably sleeved on the corresponding mounting rod. A adjusting air cylinder is longitudinally arranged on the mounting frame corresponding to the adjusting mounting sleeve of each support arm. The extending end of the piston rod of the adjusting air cylinder is hinged to the connecting seat on the corresponding adjusting mounting sleeve through a hinge seat. The adjusting air cylinder or the adjusting oil cylinder drives the adjusting mounting sleeve to rotate to an angular position, and adjusts the angular position of the transverse sheet support, so as to adapt to the sheets with inclined angle bending edges on both the left and right sides.

[0011] As a further improvement of the present invention, a moving cart is correspondingly arranged below the longitudinal sheet support and the two transverse sheet supports. A lifting platform is arranged on the moving cart, and a plurality of guiding rails are arranged below the moving cart. The sheets are stacked on the lifting platform, and the sheets can be transported away through the moving cart. Description of the Drawings

[0012] Figure 1 It is the front view of the present invention.

[0013] Figure 2 It is Figure 1 the partial enlarged view of

[0014] Figure 3 It isFigure 1 Partial enlarged view.

[0015] Figure 4 Top view of the present invention.

[0016] Figure 5 Side view of the present invention.

[0017] Figure 6 Stereo structure diagram of the present invention.

[0018] Figure 7 Stereo structure diagram of the present invention.

[0019] Figure 8 is Figure 7 Enlarged view of the U position in

[0020] Figure 9 Stereo structure diagram of the installation box and the moving box.

[0021] Figure 10 Schematic diagram of the lifting platform below the present invention.

[0022] Among them, 1 side bracket, 2 first longitudinal beam, 3 cross beam, 4 first support, 5 first lead screw, 6 lead screw nut, 7 mounting bracket, 8 guide rod, 9 guide seat, 10 extending beam, 11 mounting rod, 12 support arm, 13 transverse material support, 14 supporting wheel, 15 guide rod, 16 side flapping arm, 17 worm gear lift, 18 second longitudinal beam, 19 air duct, 20 longitudinal material support, 21 installation box, 22 moving box, 23 front cylinder, 24 telescopic stop block, 25 lead screw assembly, 26 hand wheel, 26a wheel shaft, 27 bevel gear, 28 second support, 29 second lead screw, 30 worm gear box, 31 worm gear assembly, 32 rotating screw, 33 rear baffle, 34 hand wheel, 35 adjusting mounting sleeve, 36 adjusting cylinder, 37 hinge seat, 38 connecting seat, 39 moving vehicle, 40 lifting platform, 41 guide track. Detailed implementation manner

[0023] Such as Figure 1 - 10As shown in the figure, it is a trapezoidal sheet stacking device with a large step distance, including two left and right symmetrically arranged inverted U-shaped side brackets 1. Between the tops of the two side brackets 1, a number of first longitudinal beams 2 are provided. The middle of each first longitudinal beam 2 is fixed to a cross beam 3. At least two sets of longitudinally driving mechanisms spaced front and back are provided between each side bracket 1 and the corresponding cross beam 3. The longitudinally driving mechanisms of each side bracket 1 are all in transmission connection with a rectangular mounting frame 7. The two mounting frames 7 are arranged corresponding to each other left and right. The longitudinally driving mechanism includes two first supports 4 respectively arranged on the cross beam 3 and the upper part of the corresponding side bracket 1. A first lead screw 5 in transmission connection with a motor is rotatably arranged between the two left and right corresponding first supports 4. A lead screw nut 6 is sleeved on the first lead screw 5. The lead screw nuts 6 on the first lead screws 5 of the two side brackets 1 are respectively in transmission connection with the corresponding mounting frames 7. The first lead screw 5 is connected to the motor. When the first lead screw 5 rotates, the mounting frame 7 is driven to move longitudinally through the lead screw nut 6. A guide rod 8 is longitudinally arranged on the left and right sides of the first lead screw 5 between the two left and right corresponding first supports 4. A guide seat 9 is provided on the upper side of the mounting frame 7 corresponding to each guide rod 8. The guide rod 8 is arranged through the guide hole of the corresponding guide seat 9 in a matching manner. The two guide seats 9 on the mounting frame 7 move along the guide rod 8, playing a role of guiding and supporting the mounting frame 7. Two left and right symmetrically arranged extending beams 10 are longitudinally arranged on the mounting frame 7. A transverse mounting rod 11 is arranged between the two extending beams 10. Two left and right symmetrically arranged support arms 12 are connected to the mounting rod 11. The ends of the two support arms 12 are both fixed to a transverse sheet supporting frame 13. Two rows of support wheels 14 evenly spaced transversely are provided on the transverse sheet supporting frame 13. An adjusting mounting sleeve 35 is arranged on the upper part of the support arm 12. The adjusting mounting sleeve 35 is rotatably sleeved on the corresponding mounting rod 11. A longitudinal adjusting cylinder 36 is provided on the mounting frame 7 corresponding to the adjusting mounting sleeve 35 of each support arm 12. The extending end of the piston rod of the adjusting cylinder 36 is hinged to the connecting seat 38 on the corresponding adjusting mounting sleeve 35 through a hinge seat 37. The adjusting cylinder 36 or the adjusting oil cylinder drives the adjusting mounting sleeve 35 to rotate the angular position, adjusting the angular position of the transverse sheet supporting frame 13, so as to adapt to sheets with inclined bending edges on the left and right sides. Two longitudinal guide rods 15 are movably connected to the mounting frame 7. The front ends of the two guide rods 15 are fixed to a transverse side flapping arm 16. The side flapping arm 16 is located below the corresponding transverse sheet supporting frame 13. Two worm gear and worm elevators 17 are longitudinally arranged on the mounting frame 7. The working ends of the worm gear and worm elevators 17 are connected to the corresponding side flapping arms 16. Two second longitudinal beams 18 symmetrically arranged front and back are provided between the two side brackets 1. The height of the second longitudinal beam 18 is less than that of the first longitudinal beam 2. A wind pipe 19 is arranged in the middle of the front second longitudinal beam 18. The upper part of the wind pipe 19 is connected to a longitudinal sheet supporting frame 20. The longitudinal sheet supporting frame 20 is located above the air outlet of the wind pipe 19. Two rows of support wheels 14 evenly spaced longitudinally are provided on the longitudinal sheet supporting frame 20.

[0024] There is an installation box 21 arranged below the air duct 19 on the longitudinal beam two 18. A moving box 22 is movably connected to the upper side of the installation box 21. A front air cylinder 23 is arranged inside the moving box 22. The piston rod of the front air cylinder 23 is arranged horizontally and a telescopic stop block 24 is provided at the end. A lead screw assembly 25 is arranged horizontally inside the installation box 21. The lead screw nut 6 of the lead screw assembly 25 is in transmission connection with the moving box 22. The upper part of the installation box 21 is provided with an opening corresponding to the moving box 22. A hand wheel 26 is arranged on the front side of the installation box 21. The wheel shaft 26a of the hand wheel 26 is arranged longitudinally. The front end of the lead screw of the lead screw assembly 25 is meshed and connected with the bevel gear 27 at the end of the hand wheel shaft 26a through a bevel gear 27. The hand wheel controls the rotation of the wheel shaft 26a. The bevel gear 27 pair drives the rotation of the lead screw of the lead screw assembly 25. The moving box 22 is driven to move through the lead screw nut 6. The front air cylinder 23 moves back and forth, and the front and back positions of the sheet are adjusted through the telescopic stop block 24.

[0025] There are two corresponding supports two 28 arranged front and back on the lower side of the cross beam 3. A lead screw two 29 connected to the motor is rotatably arranged between the two supports two 28. The lead screw nut of the lead screw two 29 is connected to the worm and gear box 30. A worm and gear assembly 31 is arranged inside the worm and gear box 30. A rotating screw 32 is fixedly installed on the worm of the worm and gear assembly 31 through a keyway. The rotating screw 32 extends downward out of the worm and gear box 30 and is connected with a rear baffle 33. One end of the worm of the worm and gear assembly 31 extends out of the worm and gear box 30 and is connected with a hand wheel 34. The rear baffle 33 is arranged corresponding to the telescopic stop block 24. The longitudinal sheet support 20 is arranged corresponding to the two transverse sheet supports 13. The lead screw two 29 rotates, drives the worm and gear box 30 to move back and forth through the lead screw nut, and the hand wheel controls the rear baffle 33 connected to the rotating screw 32 of the worm and gear box 30 to adjust the angle of the rear baffle 33 to match the inclined side of the trapezoidal sheet.

[0026] A moving cart 39 is correspondingly arranged below the longitudinal sheet support 20 and the two transverse sheet supports 13. A lifting platform 40 is arranged on the moving cart 39. A number of guide rails 41 are arranged below the moving cart 39. The sheets are stacked on the lifting platform 40, and the sheets can be transported away through the moving cart 39.

[0027] The present invention is used in cooperation with a conveyor. The conveyor belt of the conveyor is arranged on the front side of the longitudinal material support frame 20. After the sheet products enter the palletizer, they are jointly supported by the lateral material support frames 13 on both sides. There is a set of screw mechanisms on the left and right sides of each material support frame. After the products completely enter the material support frames, the screw 5 rotates to drive the lateral material support frames 13 to open, so that the products fall onto the lifting platform 40 of the mobile cart 39. The lateral flapping arms 16 on both sides are connected to the worm gear and worm elevator 17. After the products fall onto the lifting cart, the worm gear and worm elevators 17 on both sides or drive the lateral flapping arms 16 through cylinders to respectively flap the pallet, so that the falling products are flush with the pallet. The worm gear and worm elevator 17 drives the lateral flapping arms 16 on both sides to contract inward or expand outward simultaneously, and adjust according to the width of the products. The air duct 19 is externally connected to a blower, which plays a certain role in supporting the materials. The longitudinal material support frame 20 and the two lateral material support frames 13 form a U shape to stably support the sheet materials. The telescopic stop block 24 adjusts its front and rear positions through the internal adjustment screw rod to provide positioning during palletizing and receiving. The rear baffle 33 is installed on the screw 29 and is driven by the rear baffle 33 motor to move forward and backward, cooperating with the telescopic stop block 24 to limit the front and rear palletizing positions of the products. The rear baffle 33 controlled by the handwheel and connected to the rotating screw 32 of the worm gear box 30 adjusts the angle of the rear baffle 33 to fit the inclined side of the trapezoidal sheet. The advantages of the present invention are as follows: it can palletize trapezoidal sheets of different sizes and specifications, has a wider range of use scenarios, and can palletize sheets with inclined angle bending edges on both the left and right sides, making it more practical.

[0028] The present invention is not limited to the above embodiments. Based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and deformations to some of the technical features without creative labor according to the disclosed technical content, and these substitutions and deformations are all within the protection scope of the present invention.

Claims

1. A trapezoidal sheet stacking device with a large step distance, characterized in that, It includes two left - and - right symmetric inverted U - shaped side brackets. Between the tops of the two side brackets, several first longitudinal beams are arranged. The middle of each first longitudinal beam is fixed to a cross beam. At least two sets of longitudinally - spaced - front - and - rear longitudinal driving mechanisms are arranged between each side bracket and the corresponding cross beam. Each longitudinal driving mechanism of each side bracket is drivingly connected to a rectangular mounting frame. The two mounting frames are arranged left - and - right corresponding. Two left - and - right symmetric extending beams are longitudinally arranged on the mounting frame. A transverse mounting rod is arranged between the two extending beams. Two left - and - right symmetric supporting arms are connected to the mounting rod. The ends of the two supporting arms are both fixed to a transverse material - supporting frame. Two rows of evenly - spaced - transversely - distributed supporting wheels are arranged on the transverse material - supporting frame. Two longitudinal guide rods are movably connected to the mounting frame. The front ends of the two guide rods are fixed to a transverse side flapping arm. The side flapping arm is located below the corresponding transverse material - supporting frame. Two worm - gear lifts are longitudinally arranged on the mounting frame. The working ends of the worm - gear lifts are connected to the corresponding side flapping arms; Two front - and - rear symmetric second longitudinal beams are arranged between the two side brackets. The height of the second longitudinal beam is less than that of the first longitudinal beam. An air duct is arranged in the middle of the front second longitudinal beam. The upper part of the air duct is connected to a longitudinal material - supporting frame. The longitudinal material - supporting frame is located above the air outlet of the air duct. Two rows of evenly - spaced - longitudinally - distributed supporting wheels are arranged on the longitudinal material - supporting frame.

2. The trapezoidal sheet stacking device with a large step distance according to claim 1, characterized in that, The longitudinal driving mechanism includes two first supports respectively arranged on the cross beam and the upper part of the corresponding side bracket. A first lead screw drivingly connected to a motor is rotatably arranged between the two left - and - right corresponding first supports. A lead - screw nut is sleeved on the first lead screw. The lead - screw nuts on the first lead screws of the two side brackets are respectively drivingly connected to the corresponding mounting frame.

3. The trapezoidal sheet stacking device with a large step distance according to claim 2, characterized in that, A guide rod is longitudinally arranged on each of the left - and - right sides of the first lead screw between the two left - and - right corresponding first supports. A guide seat is provided on the upper side of the mounting frame corresponding to each guide rod. The guide rod is arranged through the guide hole of the corresponding guide seat in a matching manner.

4. A trapezoidal sheet stacking device with a large step distance according to any one of claims 1-3, characterized in that, An installation box is arranged on the second longitudinal beam below the air duct. A moving box is movably connected to the upper side of the installation box. A front cylinder is arranged in the moving box. The piston rod of the front cylinder is arranged transversely and a telescopic stop block is provided at the end. A lead - screw assembly is transversely arranged in the installation box. The lead - screw nut of the lead - screw assembly is drivingly connected to the moving box. The upper part of the installation box is arranged corresponding to the opening of the moving box. A hand wheel is arranged on the front side of the installation box. The axle of the hand wheel is arranged longitudinally. The front end of the lead screw of the lead - screw assembly is meshed and connected to the axle end of the hand wheel through bevel gears.

5. A trapezoidal sheet stacking device with a large step distance according to any one of claims 1-3, characterized in that, Two second supports are arranged on the lower side of the cross beam in a front - and - rear corresponding manner. A second lead screw connected to a motor is rotatably arranged between the two second supports. The lead - screw nut of the second lead screw is connected to a worm - gear box. A worm - gear assembly is arranged inside the worm - gear box. A rotating screw is fixedly installed on the worm of the worm - gear assembly through a keyway. The rotating screw extends downward out of the worm - gear box and is connected to a rear baffle. One end of the worm of the worm - gear assembly extends out of the worm - gear box and is connected to a hand wheel. The rear baffle is arranged corresponding to the telescopic stop block. The longitudinal material - supporting frame is arranged corresponding to the two transverse material - supporting frames.

6. A stepped trapezoidal sheet stacking device according to any one of claims 1 to 3, characterized in that, An adjusting mounting sleeve is arranged on the upper part of the support arm. The adjusting mounting sleeve is rotatably sleeved on the corresponding mounting rod. A adjusting air cylinder is longitudinally arranged on the mounting frame corresponding to the adjusting mounting sleeve of each support arm. The extending end of the piston rod of the adjusting air cylinder is hinged to the connecting seat on the corresponding adjusting mounting sleeve through a hinge seat.

7. A trapezoidal sheet stacking device with a large step distance according to any one of claims 1-3, characterized in that A moving cart is correspondingly arranged below the longitudinal material supporting frame and the two transverse material supporting frames. A lifting platform is arranged on the moving cart, and a plurality of guiding tracks are arranged below the moving cart.

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