A sheet material feeding device and a feeding method thereof

Abstract

The present invention relates to the technical field of sheet material feeding, and specifically to a sheet material feeding device and a feeding method thereof, comprising an operating table, a plurality of supporting legs are fixedly connected to the bottom of the operating table, a control box is fixedly connected to the bottom of the operating table, a support plate for supporting sheet materials is arranged above the operating table, four limit plates for limiting the position of sheet materials are fixedly connected to the top of the operating table, and a supporting feeding structure for controlling the lifting of the support plate is installed in the control box; a suction cup is arranged above the operating table, a position adjustment component for adjusting the position of the suction cup is installed on the operating table, a support table is arranged above the operating table, the support table and the operating table are connected by a plurality of second connecting plates, and a correction mechanism matched with the support table is installed on the operating table; a plurality of sheet materials can be sequentially fed to the top of the support table, thereby improving the feeding efficiency and the positioning accuracy, and reducing the possibility of damaging the sheet materials during manual feeding.

Description

Technical Field

[0001] The invention relates to the technical field of sheet material feeding, and in particular to a sheet material feeding device and a feeding method thereof. Background Art

[0002] In the production field, sheet materials are a common type of material. In the prior art, sheet materials are often loaded manually, where a stack of sheet materials is first placed at a preset position, and then the staff takes the sheet materials to the loading station from top to bottom, and finally the sheet materials at the loading station are transferred to the next station by a robot.

[0003] However, it is worth considering that manual loading is slow and does not rule out the possibility of damage to the materials. The positioning accuracy of manual loading is also relatively low and has certain limitations.

[0004] Therefore, in order to solve the above problems, a related facility that better meets the usage requirements is needed. Summary of the invention

[0005] In view of this, the purpose of the present invention is to provide a sheet material feeding device and a feeding method thereof to solve the above-mentioned problems of slow manual feeding, possibility of damage to the material, and relatively low positioning accuracy of manual feeding.

[0006] Based on the above purpose, the present invention provides a sheet material feeding device, including an operating table, a plurality of supporting legs are fixedly connected to the bottom of the operating table, a control box is fixedly connected to the bottom of the operating table, a support plate for supporting sheet materials is provided above the operating table, four limit plates for limiting the position of sheet materials are fixedly connected to the top of the operating table, and a supporting feeding structure for controlling the lifting of the support plate is installed in the control box;

[0007] A suction cup is provided above the operating table, and a position adjustment component for adjusting the position of the suction cup is installed on the operating table. A support table is provided above the operating table, and the support table and the operating table are connected by a plurality of second connecting plates. The operating table is installed with a correction mechanism adapted to the support table.

[0008] Optionally, the supporting loading structure includes a lifting seat arranged in a control box, the top of the lifting seat and the bottom of the support plate are fixedly connected by at least two connecting columns, movable frames are symmetrically provided on both sides of the lifting seat, a screw rod and a first rotating shaft are rotatably connected to the movable frame, threaded grooves matching the two screw rods are respectively provided at both ends of the lifting seat, a plurality of first guide columns pass through the movable frame, and the first guide columns are fixedly connected to the inner wall of the control box, the control box is equipped with a magnetic control unit matching the movable frame, the screw rod is equipped with a transmission positioning mechanism matching the first rotating shaft, and the control box is equipped with a sliding drive matching the two first rotating shafts.

[0009] Optionally, the transmission positioning mechanism includes a first damping disk fixedly mounted on the top end of the first rotating shaft, the bottom end of the screw rod is fixedly connected to the second damping disk, and the bottom of the second damping disk is in contact with the top of the first damping disk, baffles are respectively provided on the sides of the two screw rods away from each other, and the baffles are fixedly connected to the inner wall of the control box, and the screw rod is fixedly mounted with a support block adapted to the baffle.

[0010] Optionally, the magnetic control unit includes iron frames respectively arranged on the side away from each other of the two movable frames, the movable frames are penetrated by fixedly connected magnet blocks, the side of the magnet blocks facing the screw rod is contacted with an iron plate, and the iron frame and the iron plate are both fixedly connected to the inner wall of the control box, the sides away from each other of the two movable frames are respectively fixedly connected with first fixed columns, and the end of the first fixed column away from the movable frame is fixedly connected to a fixed disk located outside the control box.

[0011] Optionally, the sliding drive includes a second rotating shaft rotatably mounted on a control box, a servo motor is fixedly mounted on the control box, and the output end of the servo motor is fixedly connected to the second rotating shaft, an external sliding sleeve of the second rotating shaft is provided with two rotating sleeves, and the two rotating sleeves are respectively rotatably connected to the two movable frames, four guide grooves are opened on the second rotating shaft, two guide strips are fixedly connected to the inner wall of the rotating sleeve, and the guide strips are located in the corresponding guide grooves, an external fixed sleeve of the rotating sleeve is provided with a first bevel gear, and the bottom end of the first rotating shaft is fixedly connected with a second bevel gear meshing with the first bevel gear.

[0012] Optionally, the position adjustment assembly includes a movable plate fixedly mounted on the suction cup, an external sliding sleeve of the movable plate is provided with a rectangular ring, a mounting plate is fixedly connected to the top of the operating table, a second guide column is fixedly connected to the top of the rectangular ring, an external sliding sleeve of the second guide column is provided with a fixing frame, and the bottom end of the fixing frame is fixedly connected to the mounting plate, a horizontal plate is provided on the side of the mounting plate facing the movable plate, two supporting parts are fixedly mounted on the horizontal plate, the two supporting parts are fixedly connected by two third guide columns, and the two third guide columns both pass through the movable plate, the supporting part and the movable plate are connected by a reset spring, two third rotating shafts are rotatably connected to the mounting plate, a synchronous wheel is fixedly mounted on the third rotating shaft, the two synchronous wheels are connected by a synchronous belt, a swing arm is fixedly connected to the side of the synchronous wheel away from the third rotating shaft, and both ends of the horizontal plate are rotatably connected to the two swing arms, one of the third rotating shafts is fixedly mounted with a first gear, and the second rotating shaft is mounted with a reciprocating member matching the first gear.

[0013] Optionally, the reciprocating member includes a lifting frame arranged under the operating table, the top of the lifting frame passes through the operating table, and the top of the lifting frame is fixedly connected to a first gear plate meshing with the first gear, the second rotating shaft is fixedly installed with a first connecting plate located outside the control box, a rectangular hole is opened on the lifting frame, a second fixing column is slidably provided in the rectangular hole, and the first connecting plate and the second fixing column are fixedly connected.

[0014] Optionally, the correction mechanism includes a first movable column arranged under the support platform, a slide groove is provided at the bottom of the first movable column, a prism is slidably provided in the slide groove, the bottom end of the prism is fixedly connected to the top of the operating table, the top of the prism and the inner wall of the slide groove are connected by a first compression spring, the four side surfaces of the first movable column are fixedly connected to the second tooth plate, four fourth rotating shafts are rotatably connected above the operating table, the external fixed sleeve of the fourth rotating shaft is provided with a second gear, the four second gears are respectively meshed with the four second tooth plates, at least one correction frame for correcting the position of the sheet material is fixedly installed on the fourth rotating shaft, and the first movable column is installed with an elastic member adapted to the movable plate.

[0015] Optionally, the elastic member includes a support plate fixedly mounted on the first movable column, the support plate having a second movable column located below the movable plate passing through the support plate, the second movable column passing through the support plate, an external fixed sleeve of the second movable column having a fixed ring located above the support plate, and the fixed ring and the support plate being connected by a second compression spring.

[0016] The present invention also provides a method for feeding sheet materials, comprising the sheet material feeding device as described above, comprising the following steps:

[0017] Step 1: The staff places a stack of sheet materials on the top of the pallet, limits the four sides of the sheet materials through four limiting plates, connects the suction cup to the external air pump through a hose, and drives the suction cup to move to the top of the pallet through the position adjustment component;

[0018] Step 2: Drive a plurality of sheet materials upward by supporting the feeding structure, so that the bottom horizontal position of the sheet material at the top is higher than the top horizontal position of the limit plate, and the sheet material at the top is adsorbed by the suction cup;

[0019] Step 3: The position adjustment component drives the suction cup to move to the top of the support table, and the suction cup no longer absorbs the sheet material. The sheet material is supported by the support table so that the sheet material is located at the preset loading position;

[0020] Step 4: Drive the suction cup to move to the top of the pallet again through the position adjustment component, return to step 2, and correct the position of the sheet material on the top of the support table through the correction mechanism, and then use the external robot to pick up the sheet material on the support table to the next station until the sheet material on the top of the pallet is taken away.

[0021] The beneficial effects of the present invention are as follows: a worker places a stack of sheet materials on the top of a support plate, limits the four sides of the sheet materials respectively through four limiting plates, a suction cup is connected to an external air pump through a hose, a position adjustment component drives the suction cup to move to the top of the support plate, and a plurality of sheet materials are driven upward by a supporting loading structure, so that the bottom horizontal position of a sheet material located at the top is higher than the top horizontal position of the limiting plate, a sheet material located at the top is adsorbed by the suction cup, and then the position adjustment component drives the suction cup to move to the top of the support table, and the suction cup no longer adsorbs the sheet material The sheet material is supported by a support table so that the sheet material is located at a preset loading station, and then the position adjustment component drives the suction cup to move to the top of the pallet again to pick up the next sheet material, and the position of the sheet material located on the top of the support table is corrected by the correction mechanism, and then the sheet material located on the support table is taken to the next station by an external manipulator, without manual loading, and several sheet materials can be loaded to the top of the support table in turn, thereby improving the loading efficiency and positioning accuracy, and reducing the possibility of damaging the sheet material during manual loading. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 This is one of the overall structural diagrams of an embodiment of the present invention;

[0024] Figure 2 This is the second schematic diagram of the overall structure of an embodiment of the present invention;

[0025] Figure 3 It is a structural schematic diagram of the assembled positions of the support platform, the prism and the first movable column according to an embodiment of the present invention;

[0026] Figure 4 This is a schematic diagram of the structure of a horizontal plate according to an embodiment of the present invention;

[0027] Figure 5 This is a schematic diagram of the structure of the first movable column and the prism separated according to an embodiment of the present invention;

[0028] Figure 6 This is a schematic diagram of the structure inside the control box of an embodiment of the present invention;

[0029] Figure 7 It is a schematic diagram of the structure of a part of the movable frame of an embodiment of the present invention;

[0030] Figure 8 It is a structural schematic diagram of a lifting seat according to an embodiment of the present invention.

[0031] The markings in the figure are:

[0032] 1. Operating table; 2. Support legs; 3. Movable plate; 4. Suction cup; 5. Support plate; 6. Limit plate; 7. Sheet material; 8. Control box; 9. Lifting seat; 10. Connecting column; 11. Movable frame; 12. Screw rod; 13. First guide column; 14. First rotating shaft; 15. First damping disk; 16. Second damping disk; 17. Support block; 18. Baffle; 19. Magnet block; 20. Iron plate; 21. Iron frame; 22. First fixed column; 23. Fixed disk; 24. Second rotating shaft; 25. Servo motor; 26. Guide groove; 27. Rotating sleeve; 28. First bevel gear; 29. ​​Second bevel gear; 30. Guide strip; 31. Threaded groove; 32. Rectangular ring; 33. Second guide column ; 34. Fixed frame; 35. Horizontal plate; 36. Third guide column; 37. Support part; 38. Reset spring; 39. Swing arm; 40. Third rotating shaft; 41. First gear; 42. Lifting frame; 43. First tooth plate; 44. Rectangular hole; 45. First connecting plate; 46. Second fixed column; 47. Support platform; 48. Second connecting plate; 49. First movable column; 50. Slide groove; 51. Prism; 52. First compression spring; 53. Second tooth plate; 54. Fourth rotating shaft; 55. Second gear; 56. Correction frame; 57. Second movable column; 58. Fixed ring; 59. Support plate; 60. Second compression spring; 61. Mounting plate; 62. Synchronous wheel; 63. Synchronous belt. DETAILED DESCRIPTION

[0033] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0034] This embodiment provides a sheet material feeding device, such as Figure 1 As shown, it includes an operating table 1, a plurality of supporting legs 2 are fixedly connected to the bottom of the operating table 1, a control box 8 is fixedly connected to the bottom of the operating table 1, a support plate 5 for supporting a sheet material 7 is arranged above the operating table 1, four limiting plates 6 for limiting the position of the sheet material 7 are fixedly connected to the top of the operating table 1, and a supporting and feeding structure for controlling the lifting of the support plate 5 is installed in the control box 8;

[0035] A suction cup 4 is provided above the operating table 1, and a position adjustment component for adjusting the position of the suction cup 4 is installed on the operating table 1. A support table 47 is provided above the operating table 1, and the support table 47 and the operating table 1 are connected by a plurality of second connecting plates 48. The operating table 1 is installed with a correction mechanism adapted to the support table 47; the staff places a stack of sheet materials 7 on the top of the support plate 5, and limits the four sides of the sheet materials 7 respectively through four limiting plates 6, the suction cup 4 is connected to the external air pump through a hose, and the suction cup 4 is driven to move to the top of the support plate 5 through the position adjustment component, and a plurality of sheet materials 7 are driven to move up by the supporting feeding structure, so that the bottom horizontal position of the sheet material 7 located at the top is higher than the top horizontal position of the limiting plate 6, and the sheet material 7 located at the top is adsorbed by the suction cup 4. The sheet material 7 is then taken out of the carrier plate 5 and the position adjustment mechanism is used to adjust the position of the sheet material 7. The suction cup 4 is then driven by the position adjustment component to move to the top of the support table 47. The suction cup 4 no longer absorbs the sheet material 7 and the support table 47 is used to support the sheet material 7 so that the sheet material 7 is located at the preset loading station. The suction cup 4 is then driven by the position adjustment component to move to the top of the support plate 5 again to take out the next sheet material 7. The position of the sheet material 7 located on the top of the support table 47 is corrected by the correction mechanism. The sheet material 7 located on the support table 47 is then taken to the next station by an external manipulator. Manual loading is not required and several sheet materials 7 can be loaded onto the top of the support table 47 in turn, thereby improving loading efficiency and positioning accuracy and reducing the possibility of damaging the sheet material 7 during manual loading.

[0036] In some optional specific embodiments, such as Figure 1 , Figure 2 , Figure 6 , Figure 7 and Figure 8As shown, the supporting feeding structure includes a lifting seat 9 arranged in the control box 8, the top of the lifting seat 9 and the bottom of the support plate 5 are fixedly connected by at least two connecting columns 10, and movable frames 11 are symmetrically arranged on both sides of the lifting seat 9, and screw rods 12 and first rotating shafts 14 are rotatably connected to the movable frames 11, and thread grooves 31 adapted to the two screw rods 12 are respectively opened at both ends of the lifting seat 9, and a plurality of first guide columns 13 are passed through the movable frame 11, and the first guide columns 13 are fixedly connected to the inner wall of the control box 8, and the control box 8 is equipped with a magnetic control unit adapted to the movable frame 11, and the screw rods 12 are connected to the first rotating shaft 14. 2 is equipped with a transmission positioning mechanism adapted to the first rotating shaft 14, and the control box 8 is equipped with a sliding driver adapted to the two first rotating shafts 14. The transmission positioning mechanism includes a first damping plate 15 fixedly installed on the top of the first rotating shaft 14, and the bottom of the screw rod 12 is fixedly connected to the second damping plate 16, and the bottom of the second damping plate 16 is in contact with the top of the first damping plate 15. The two screw rods 12 are separated from each other and are respectively provided with baffles 18. The baffles 18 are fixedly connected to the inner wall of the control box 8. The screw rod 12 is fixedly equipped with a support block 17 adapted to the baffle 18. The magnetic control The unit includes an iron frame 21 respectively arranged on the side away from the two movable frames 11, a magnet block 19 is passed through the movable frame 11, and an iron plate 20 is provided on the side of the magnet block 19 facing the screw rod 12, and the iron frame 21 and the iron plate 20 are fixedly connected to the inner wall of the control box 8, and the side away from the two movable frames 11 is respectively fixedly connected with a first fixed column 22, and the end of the first fixed column 22 away from the movable frame 11 is fixedly connected with a fixed plate 23 located outside the control box 8, and the sliding drive includes a second rotating shaft 24 rotatably mounted on the control box 8, and the control box 8 is fixed A servo motor 25 is installed, and the output end of the servo motor 25 is fixedly connected to the second rotating shaft 24. The external sliding sleeve of the second rotating shaft 24 is provided with two rotating sleeves 27, and the two rotating sleeves 27 are respectively rotatably connected to the two movable frames 11. Four guide grooves 26 are opened on the second rotating shaft 24. Two guide bars 30 are fixedly connected to the inner wall of the rotating sleeve 27, and the guide bars 30 are located in the corresponding guide grooves 26. The external fixed sleeve of the rotating sleeve 27 is provided with a first bevel gear 28. The bottom end of the first rotating shaft 14 is fixedly connected with a second bevel gear 29 meshing with the first bevel gear 28.

[0037] The second rotating shaft 24 is driven to rotate by the servo motor 25, and the second rotating shaft 24 drives the rotating sleeve 27 and the first bevel gear 28 to rotate through the guide bar 30. The first bevel gear 28 drives the first rotating shaft 14 and the first damping plate 15 to rotate through the second bevel gear 29. The first damping plate 15 drives the second damping plate 16 and the screw rod 12 to rotate through friction. Through the cooperation of the screw rod 12 and the threaded groove 31, the lifting seat 9 drives the supporting plate 5 to move up through the connecting column 10, and the supporting plate 5 drags the sheet material 7 to move up. When the lifting seat 9 and the supporting plate 5 move up to the highest height, the magnet block 19 is in contact with the iron plate 20, and the magnet block 19 is fixed relative to the iron plate 20 and the control box 8, and the staff drives the movable frame 11 to move through the fixed plate 23 and the first fixed column 22, so that the two movable frames 11 move away from each other, and the movable frame 11 drives the guide bar 30 to slide in the guide groove 26 through the rotating sleeve 27, and the thread on the screw rod 12 is no longer in contact with the thread on the thread groove 31, the magnet block 19 is no longer in contact with the iron plate 20, and the magnet block 19 is in contact with the iron frame 21, the movable frame 11 is fixed relative to the iron plate 20 and the control box 8, and the thread on the screw rod 12 no longer supports the thread groove 31 and the lifting seat 9, and the lifting seat 9 and the support plate 5 fall to In the initial position, the bottom of the support plate 5 is in contact with the top of the operating table 1, and the staff can place a stack of sheet materials 7 on the top of the support plate 5 again. As the movable frame 11 moves, the distance between the screw rod 12 and the baffle 18 becomes smaller, and the second rotating shaft 24 is driven to rotate by the servo motor 25, so that the first rotating shaft 14 drives the first damping disc 15 and the second damping disc 16 to rotate again, and the second damping disc 16 drives the support block 17 to rotate through the screw rod 12. When the support block 17 abuts against the baffle 18, as the first damping disc 15 continues to rotate, the first damping disc 15 cannot drive the second damping disc 16 by friction. , the screw rod 12 and the support block 17 rotate, so that the screw rod 12 rotates to the preset position and then stops, ensuring that the thread on the screw rod 12 and the thread on the thread groove 31 are aligned. At this time, the staff pushes the two movable frames 11 to move closer together again through the fixed disk 23 and the first fixed column 22, and the magnet block 19 contacts the iron plate 20 again. The magnet block 19 and the movable frame 11 are fixed relative to the control box 8, and the movable frame 11 is reset to the initial position. The thread on the screw rod 12 supports the thread groove 31 and the lifting seat 9 again. When the screw rod 12 rotates, the screw rod 12 can drive the lifting seat 9, the connecting column 10 and the support plate 5 to move up again.

[0038] In some optional specific embodiments, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, the position adjustment assembly includes a movable plate 3 fixedly mounted on the suction cup 4, the outer sliding sleeve of the movable plate 3 is provided with a rectangular ring 32, the top of the operating table 1 is fixedly connected with a mounting plate 61, the top of the rectangular ring 32 is fixedly connected with a second guide column 33, the outer sliding sleeve of the second guide column 33 is provided with a fixing frame 34, and the bottom end of the fixing frame 34 is fixedly connected to the mounting plate 61, and the mounting plate 61 is provided with a horizontal plate 35 on the side facing the movable plate 3, and the horizontal plate 35 is fixedly installed with two supporting parts 37, and the two supporting parts 37 are fixedly connected by two third guide columns 36, and the two third guide columns 36 both penetrate the movable plate 3, and the supporting part 37 and the movable plate 3 are fixedly connected by a return spring 3. 8 connection, two third rotating shafts 40 are rotatably connected on the mounting plate 61, and a synchronous wheel 62 is fixedly installed on the third rotating shaft 40. The two synchronous wheels 62 are connected by a synchronous belt 63. A swing arm 39 is fixedly connected to the side of the synchronous wheel 62 away from the third rotating shaft 40, and the two ends of the horizontal plate 35 are rotatably connected to the two swing arms 39 respectively, one of the third rotating shafts 40 is fixedly installed with a first gear 41, and the second rotating shaft 24 is installed with a reciprocating member adapted to the first gear 41, and the reciprocating member includes a lifting frame 42 arranged under the operating table 1, the top of the lifting frame 42 passes through the operating table 1, and the top of the lifting frame 42 is fixedly connected with a first toothed plate 43 meshing with the first gear 41, and the second rotating shaft A first connecting plate 45 located outside the control box 8 is fixedly installed on the lifting frame 42, a rectangular hole 44 is opened on the lifting frame 42, a second fixing column 46 is slidably arranged in the rectangular hole 44, and the first connecting plate 45 and the second fixing column 46 are fixedly connected, and the correction mechanism includes a first movable column 49 arranged below the support platform 47, a slide groove 50 is opened at the bottom of the first movable column 49, a prism 51 is slidably arranged in the slide groove 50, the bottom end of the prism 51 is fixedly connected to the top of the operating table 1, the top of the prism 51 and the inner wall of the slide groove 50 are connected by a first compression spring 52, the four sides of the first movable column 49 are fixedly connected to the second toothed plate 53, and the top of the operating table 1 is rotatably connected to four fourth rotating plates. The fourth rotating shaft 54 ​​is provided with a second gear 55 on its outer fixed sleeve, and the four second gears 55 are respectively meshed with the four second tooth plates 53. The fourth rotating shaft 54 ​​is fixedly installed with at least one correction frame 56 for correcting the position of the sheet material 7. The first movable column 49 is installed with an elastic member adapted to the movable plate 3. The elastic member includes a support plate 59 fixedly installed on the first movable column 49, and the support plate 59 is penetrated by a second movable column 57 located below the movable plate 3. The second movable column 57 penetrates the support plate 59, and the outer fixed sleeve of the second movable column 57 is provided with a fixing ring 58 located above the support plate 59. The fixing ring 58 and the support plate 59 are connected by a second compression spring 60.

[0039] When the second rotating shaft 24 rotates, the second rotating shaft 24 drives the second fixed column 46 to slide back and forth in the rectangular hole 44 through the first connecting plate 45, and the second fixed column 46 can push the lifting frame 42 to reciprocate in the vertical direction. The lifting frame 42 drives the first gear 41 and one of the third rotating shafts 40 to periodically rotate forward and reverse through the first tooth plate 43. Through the design of the synchronous wheel 62 and the synchronous belt 63, when one of the third rotating shafts 40 rotates, the third rotating shaft 40 can drive the synchronous belt 63 to rotate through a corresponding synchronous wheel 62, and the synchronous belt 63 can drive the other synchronous wheel 62 and the third rotating shaft 40 to rotate synchronously. The synchronous wheel 62 drives the swing arm 39 to swing, and the two swing arms 39 can drive the horizontal plate 35 to keep parallel and swing left and right at the same time. The horizontal plate The movable plate 3 moves synchronously through the support portion 37, the third guide column 36 and the return spring 38. The movable plate 3 drives the rectangular ring 32 and the second guide column 33 to reciprocate in the vertical direction relative to the fixed frame 34, and the movable plate 3 slides in the rectangular ring 32. When the movable plate 3 moves to the top of the support plate 5, the movable plate 3 abuts against the inner wall of the rectangular ring 32. As the swing arm 39 continues to swing, the horizontal plate 35 and the third guide column 36 slide relative to the movable plate 3, the return spring 38 deforms, the movable plate 3 remains stationary in the horizontal direction, and the horizontal plate 35 drives the movable plate 3 and the rectangular ring 32 to move downward. At this time, the bottom of the movable plate 3 contacts the second movable column 57. As the movable plate 3 moves downward, the movable plate 3 is moved by the second movable column 57 and the fixed ring 58. , the second compression spring 60 and the support plate 59 drive the first movable column 49 to move downward, the first movable column 49 moves downward relative to the prism 51, the first compression spring 52 is in a compressed state, and the first movable column 49 drives the second gear 55 and the fourth shaft 54 ​​to rotate through the second tooth plate 53, and the fourth shaft 54 ​​drives the correction frame 56 to rotate. If a sheet material 7 is placed on the top of the support platform 47, as the correction frame 56 continues to rotate, the correction frame 56 located on the four sides of the support platform 47 respectively abuts against the four sides of the sheet material 7. As the movable plate 3 continues to move downward, the movable plate 3 pushes the second movable column 57 and the fixing ring 58 to move downward relative to the support plate 59, and the second compression spring 60 is in a compressed state. At this time, the correction frame 56 remains stationary relative to the support platform 47 The movable plate 3 is stopped to ensure that when the movable plate 3 moves down above the support plate 5, the sheet material 7 is placed centered relative to the support platform 47, and the sheet material 7 is corrected to be centered. When the suction cup 4 drops to the preset position, the suction cup 4 and the sheet material 7 are adsorbed together, and the swing arm 39 swings in the opposite direction, the horizontal plate 35 moves up first, and the third guide column 36 and the horizontal plate 35 slide in the opposite direction to the initial position relative to the movable plate 3. As the swing arm 39 continues to swing, the movable plate 3 then slides in the opposite direction in the rectangular ring 32. At this time, the movable plate 3 no longer presses the second movable column 57, and the first compression spring 52 drives the first movable column 49 to move up, so that the correction frame 56 no longer contacts the sheet material 7, and the second compression spring 60 pushes the fixed ring 58 and the second movable column 57 to move up relative to the support plate 59.Finally, the second movable column 57 is reset to the initial position relative to the operating table 1, and the sheet material 7 located on the top of the support table 47 can be taken to the next station by the external manipulator. With the continuous swing of the swing arm 39, when the movable plate 3 and the suction cup 4 move to the top of the support table 47, the movable plate 3 abuts against the inner wall of the rectangular ring 32 again. With the continuous swing of the swing arm 39, the horizontal plate 35 and the third guide column 36 slide relative to the movable plate 3 again, and the horizontal plate 35 drives the movable plate 3 and the rectangular ring 32 to move downward through the third guide column 36. Finally, the suction cup 4 places the sheet material 7 on the top of the support table 47, completing the loading and slicing of the sheet material 7.

[0040] This embodiment also provides a sheet material feeding method, including the sheet material feeding device as described above, comprising the following steps:

[0041] Step 1: The staff places a stack of sheet materials 7 on the top of the support plate 5, and limits the four sides of the sheet materials 7 through four limiting plates 6 respectively. The suction cup 4 is connected to the external air pump through a hose, and the suction cup 4 is driven to move to the top of the support plate 5 through the position adjustment component;

[0042] Step 2: Drive a plurality of sheet materials 7 upward by supporting the feeding structure, so that the bottom horizontal position of the sheet material 7 located at the top is higher than the top horizontal position of the limit plate 6, and the sheet material 7 located at the top is adsorbed by the suction cup 4;

[0043] Step 3: The suction cup 4 is driven to move to the top of the support platform 47 by the position adjustment component, and the suction cup 4 no longer absorbs the sheet material 7, and the sheet material 7 is supported by the support platform 47 so that the sheet material 7 is located at the preset loading position;

[0044] Step 4: Drive the suction cup 4 to move to the top of the pallet 5 again through the position adjustment component, return to execute step 2, and correct the position of the sheet material 7 located on the top of the support table 47 through the correction mechanism, and then use the external manipulator to take the sheet material 7 located on the support table 47 to the next workstation until the sheet material 7 located on the top of the pallet 5 is taken.

[0045] Working principle: the staff puts a stack of sheet materials 7 on the top of the support plate 5, and limits the four sides of the sheet materials 7 respectively through four limiting plates 6. The suction cup 4 is connected to the external air pump through a hose, and the position adjustment component drives the suction cup 4 to move to the top of the support plate 5. The feeding structure drives several sheet materials 7 to move up, so that the bottom horizontal position of the sheet material 7 at the top is higher than the top horizontal position of the limiting plate 6, and the sheet material 7 at the top is adsorbed by the suction cup 4, and then the position adjustment component drives the suction cup 4 to move to the top of the support platform 47, and the suction cup 4 no longer adsorbs the sheet material 7. The sheet material 7 is supported by the support platform 47 so that the sheet material 7 is located at the preset loading position, and then the suction cup 4 is driven by the position adjustment component to move to the top of the support plate 5 again, and the next sheet material 7 is taken again, and the position of the sheet material 7 located on the top of the support platform 47 is corrected by the correction mechanism, and then the sheet material 7 located on the support platform 47 is taken to the next position by the external manipulator, without manual loading, and several sheet materials 7 can be sequentially loaded to the top of the support platform 47, thereby improving the loading efficiency and positioning accuracy, and reducing the possibility of damaging the sheet material 7 during manual loading;

[0046] The second rotating shaft 24 is driven to rotate by the servo motor 25, and the second rotating shaft 24 drives the rotating sleeve 27 and the first bevel gear 28 to rotate through the guide bar 30. The first bevel gear 28 drives the first rotating shaft 14 and the first damping plate 15 to rotate through the second bevel gear 29. The first damping plate 15 drives the second damping plate 16 and the screw rod 12 to rotate through friction. Through the cooperation of the screw rod 12 and the threaded groove 31, the lifting seat 9 drives the supporting plate 5 to move up through the connecting column 10, and the supporting plate 5 drags the sheet material 7 to move up. When the lifting seat 9 and the supporting plate 5 move up to the highest height, the magnet block 19 is in contact with the iron plate 20, and the magnet block 19 is fixed relative to the iron plate 20 and the control box 8. The staff The movable frame 11 is driven to move by the fixed plate 23 and the first fixed column 22, so that the two movable frames 11 move away from each other. The movable frame 11 drives the guide bar 30 to slide in the guide groove 26 through the rotating sleeve 27, and the thread on the screw rod 12 is no longer in contact with the thread on the thread groove 31, the magnet block 19 is no longer in contact with the iron plate 20, and the magnet block 19 is in contact with the iron frame 21. The movable frame 11 is fixed relative to the iron plate 20 and the control box 8, and the thread on the screw rod 12 no longer supports the thread groove 31 and the lifting seat 9. The lifting seat 9 and the support plate 5 drop to the initial position due to gravity. Before the support plate 5 automatically falls, the staff can drag the support plate 5. When the thread on the screw rod 12 is no longer in contact with the thread on the screw rod 12, the staff can drag the support plate 5. When the threads on the groove 31 come into contact with each other, the staff member drives the pallet 5 to move down manually to prevent the pallet 5 from hitting the surface of the operating table 1. The bottom of the pallet 5 comes into contact with the top of the operating table 1, and the staff member can place a stack of sheet materials 7 on the top of the pallet 5 again. As the movable frame 11 moves, the distance between the screw rod 12 and the baffle 18 becomes smaller, and the second rotating shaft 24 is driven to rotate by the servo motor 25, so that the first rotating shaft 14 drives the first damping disc 15 and the second damping disc 16 to rotate again, and the second damping disc 16 drives the support block 17 to rotate through the screw rod 12. When the support block 17 abuts against the baffle 18, as the first damping disc 15 continues to rotate, the first damping disc 15 is rotated. The disk 15 cannot drive the second damping disk 16, the screw rod 12 and the support block 17 to rotate by friction, so that the screw rod 12 stops after rotating to the preset position, ensuring that the thread on the screw rod 12 is aligned with the thread on the thread groove 31. At this time, the staff pushes the two movable frames 11 to move closer together again through the fixed disk 23 and the first fixed column 22, and the magnet block 19 contacts the iron plate 20 again. The magnet block 19 and the movable frame 11 are fixed relative to the control box 8, and the movable frame 11 is reset to the initial position. The thread on the screw rod 12 supports the thread groove 31 and the lifting seat 9 again. When the screw rod 12 rotates, the screw rod 12 can drive the lifting seat 9, the connecting column 10 and the support plate 5 to move up again;

[0047] When the second rotating shaft 24 rotates, the second rotating shaft 24 drives the second fixed column 46 to slide back and forth in the rectangular hole 44 through the first connecting plate 45, and the second fixed column 46 can push the lifting frame 42 to reciprocate in the vertical direction. The lifting frame 42 drives the first gear 41 and one of the third rotating shafts 40 to periodically rotate forward and reverse through the first tooth plate 43. Through the design of the synchronous wheel 62 and the synchronous belt 63, when one of the third rotating shafts 40 rotates, the third rotating shaft 40 can drive the synchronous belt 63 to rotate through a corresponding synchronous wheel 62, and the synchronous belt 63 can drive the other synchronous wheel 62 and the third rotating shaft 40 to rotate synchronously. The synchronous wheel 62 drives the swing arm 39 to swing, and the two swing arms 39 can drive the horizontal plate 35 to keep parallel and swing left and right at the same time. The horizontal plate The movable plate 3 moves synchronously through the support portion 37, the third guide column 36 and the return spring 38. The movable plate 3 drives the rectangular ring 32 and the second guide column 33 to reciprocate in the vertical direction relative to the fixed frame 34, and the movable plate 3 slides in the rectangular ring 32. When the movable plate 3 moves to the top of the support plate 5, the movable plate 3 abuts against the inner wall of the rectangular ring 32. As the swing arm 39 continues to swing, the horizontal plate 35 and the third guide column 36 slide relative to the movable plate 3, the return spring 38 deforms, the movable plate 3 remains stationary in the horizontal direction, and the horizontal plate 35 drives the movable plate 3 and the rectangular ring 32 to move downward. At this time, the bottom of the movable plate 3 contacts the second movable column 57. As the movable plate 3 moves downward, the movable plate 3 is moved by the second movable column 57 and the fixed ring 58. , the second compression spring 60 and the support plate 59 drive the first movable column 49 to move downward, the first movable column 49 moves downward relative to the prism 51, the first compression spring 52 is in a compressed state, and the first movable column 49 drives the second gear 55 and the fourth shaft 54 ​​to rotate through the second tooth plate 53, and the fourth shaft 54 ​​drives the correction frame 56 to rotate. If a sheet material 7 is placed on the top of the support platform 47, as the correction frame 56 continues to rotate, the correction frame 56 located on the four sides of the support platform 47 respectively abuts against the four sides of the sheet material 7. As the movable plate 3 continues to move downward, the movable plate 3 pushes the second movable column 57 and the fixing ring 58 to move downward relative to the support plate 59, and the second compression spring 60 is in a compressed state. At this time, the correction frame 56 remains stationary relative to the support platform 47 The movable plate 3 is stopped to ensure that when the movable plate 3 moves down above the support plate 5, the sheet material 7 is placed centered relative to the support platform 47, and the sheet material 7 is corrected to be centered. When the suction cup 4 drops to the preset position, the suction cup 4 and the sheet material 7 are adsorbed together, and the swing arm 39 swings in the opposite direction, the horizontal plate 35 moves up first, and the third guide column 36 and the horizontal plate 35 slide in the opposite direction to the initial position relative to the movable plate 3. As the swing arm 39 continues to swing, the movable plate 3 then slides in the opposite direction in the rectangular ring 32. At this time, the movable plate 3 no longer presses the second movable column 57, and the first compression spring 52 drives the first movable column 49 to move up, so that the correction frame 56 no longer contacts the sheet material 7, and the second compression spring 60 pushes the fixed ring 58 and the second movable column 57 to move up relative to the support plate 59.Finally, the second movable column 57 is reset to the initial position relative to the operating table 1, and the sheet material 7 located on the top of the support table 47 can be taken to the next station by the external manipulator. With the continuous swing of the swing arm 39, when the movable plate 3 and the suction cup 4 move to the top of the support table 47, the movable plate 3 abuts against the inner wall of the rectangular ring 32 again. With the continuous swing of the swing arm 39, the horizontal plate 35 and the third guide column 36 slide relative to the movable plate 3 again, and the horizontal plate 35 drives the movable plate 3 and the rectangular ring 32 to move downward through the third guide column 36. Finally, the suction cup 4 places the sheet material 7 on the top of the support table 47, completing the loading and slicing of the sheet material 7.

[0048] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

Claims

1. A sheet material feeding device, comprising an operating table, a plurality of supporting legs are fixedly connected to the bottom of the operating table, a control box is fixedly connected to the bottom of the operating table, a support plate for supporting sheet materials is arranged above the operating table, four limit plates for limiting the position of sheet materials are fixedly connected to the top of the operating table, and a supporting feeding structure for controlling the lifting of the support plate is installed in the control box; A suction cup is provided above the operating table, and a position adjustment component for adjusting the position of the suction cup is installed on the operating table. A support table is provided above the operating table, and the support table and the operating table are connected by a plurality of second connecting plates. The operating table is installed with a correction mechanism adapted to the support table; The supporting feeding structure includes a lifting seat arranged in a control box, the top of the lifting seat and the bottom of the supporting plate are fixedly connected by at least two connecting columns, movable frames are symmetrically arranged on both sides of the lifting seat, a screw rod and a first rotating shaft are rotatably connected to the movable frame, thread grooves adapted to the two screw rods are respectively opened at both ends of the lifting seat, a plurality of first guide columns are passed through the movable frame, and the first guide columns are fixedly connected to the inner wall of the control box, the control box is installed with a magnetic control unit adapted to the movable frame, the screw rod is installed with a transmission positioning mechanism adapted to the first rotating shaft, and the control box is installed with a sliding driver adapted to the two first rotating shafts; The magnetic control unit comprises an iron frame respectively arranged on the side away from the two movable frames, a fixedly connected magnet block penetrates the movable frame, an iron plate is contacted with the side of the magnet block facing the screw rod, and the iron frame and the iron plate are fixedly connected to the inner wall of the control box, and the first fixed column is fixedly connected to the side away from the two movable frames, and the end of the first fixed column away from the movable frame is fixedly connected to a fixed plate located outside the control box; The sliding driver comprises a second rotating shaft rotatably mounted on a control box, a servo motor is fixedly mounted on the control box, and an output end of the servo motor is fixedly connected to the second rotating shaft, an external sliding sleeve of the second rotating shaft is provided with two rotating sleeves, and the two rotating sleeves are respectively rotatably connected to the two movable frames, four guide grooves are opened on the second rotating shaft, two guide bars are fixedly connected to the inner wall of the rotating sleeve, and the guide bars are located in the corresponding guide grooves, an external fixed sleeve of the rotating sleeve is provided with a first bevel gear, and a second bevel gear meshing with the first bevel gear is fixedly connected to the bottom end of the first rotating shaft; The position adjustment assembly includes a movable plate fixedly mounted on the suction cup, an outer sliding sleeve of the movable plate is provided with a rectangular ring, a mounting plate is fixedly connected to the top of the operating table, a second guide column is fixedly connected to the top of the rectangular ring, an outer sliding sleeve of the second guide column is provided with a fixing frame, and the bottom end of the fixing frame is fixedly connected to the mounting plate, a horizontal plate is provided on the side of the mounting plate facing the movable plate, two supporting parts are fixedly mounted on the horizontal plate, the two supporting parts are fixedly connected by two third guide columns, and the two third guide columns both penetrate the movable plate, the supporting part and the movable plate are connected by a reset spring, two third rotating shafts are rotatably connected to the mounting plate, a synchronous wheel is fixedly mounted on the third rotating shaft, the two synchronous wheels are connected by a synchronous belt, a swing arm is fixedly connected to the side of the synchronous wheel away from the third rotating shaft, and the two ends of the horizontal plate are respectively rotatably connected to the two swing arms, one of the third rotating shafts is fixedly mounted with a first gear, and the second rotating shaft is mounted with a reciprocating member matched with the first gear.

2. According to the sheet material feeding device according to claim 1, the transmission positioning mechanism includes a first damping disk fixedly installed on the top of the first rotating shaft, the bottom end of the screw rod is fixedly connected to the second damping disk, and the bottom of the second damping disk is in contact with the top of the first damping disk, and baffles are respectively provided on the sides of the two screw rods away from each other, and the baffles are fixedly connected to the inner wall of the control box, and the screw rod is fixedly installed with a support block adapted to the baffle.

3. According to the sheet material feeding device according to claim 1, the reciprocating part includes a lifting frame arranged under the operating table, the top end of the lifting frame passes through the operating table, and the top end of the lifting frame is fixedly connected to a first tooth plate meshing with the first gear, the second rotating shaft is fixedly installed with a first connecting plate located outside the control box, a rectangular hole is opened on the lifting frame, a second fixing column is slidably provided in the rectangular hole, and the first connecting plate and the second fixing column are fixedly connected.

4. The sheet material feeding device according to claim 1, wherein the correction mechanism comprises a first movable column arranged under the support platform, a slide groove is provided at the bottom of the first movable column, a prism is slidably provided in the slide groove, the bottom end of the prism is fixedly connected to the top of the operating table, the top of the prism and the inner wall of the slide groove are connected by a first compression spring, the four side surfaces of the first movable column are fixedly connected to the second tooth plate, four fourth rotating shafts are rotatably connected above the operating table, the external fixed sleeve of the fourth rotating shaft is provided with a second gear, the four second gears are respectively meshed with the four second tooth plates, and at least one correction frame for correcting the position of the sheet material is fixedly installed on the fourth rotating shaft, and the first movable column is installed with an elastic member adapted to the movable plate.

5. According to the sheet material feeding device of claim 4, the elastic member includes a support plate fixedly mounted on the first movable column, the support plate is penetrated by a second movable column located below the movable plate, the second movable column penetrates the support plate, the external fixing sleeve of the second movable column is provided with a fixing ring located above the support plate, and the fixing ring and the support plate are connected by a second compression spring.

6. A method for feeding sheet materials, comprising the sheet material feeding device according to claim 1, comprising the following steps: Step 1: The staff places a stack of sheet materials on the top of the pallet, limits the four sides of the sheet materials through four limiting plates, connects the suction cup to the external air pump through a hose, and drives the suction cup to move to the top of the pallet through the position adjustment component; Step 2: Drive a plurality of sheet materials upward by supporting the feeding structure, so that the bottom horizontal position of the sheet material at the top is higher than the top horizontal position of the limit plate, and the sheet material at the top is adsorbed by the suction cup; Step 3: The position adjustment component drives the suction cup to move to the top of the support table, and the suction cup no longer absorbs the sheet material. The sheet material is supported by the support table so that the sheet material is located at the preset loading position; Step 4: Drive the suction cup to move to the top of the pallet again through the position adjustment component, return to step 2, and correct the position of the sheet material on the top of the support table through the correction mechanism, and then use the external robot to pick up the sheet material on the support table to the next station until the sheet material on the top of the pallet is taken away.

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