A punching device for plastic production

Abstract

The invention relates to the technical field of plastic production, and discloses a punching device for plastic production, comprising a workbench, a punching device is arranged on the workbench, a plurality of conveying rollers are arranged on the workbench, two groups of support blocks are fixedly installed on the workbench, two material guide boxes are fixedly installed above the two groups of support blocks, and the punching device has a plurality of output shafts, and each punching is driven by the punching device to move downward to punch a plastic plate, and the plastic punched from the plastic plate will be stuffed into a punching knife, as the punching knife continues to punch, more and more waste material will be in the punching knife, when the waste material at the top in the material guide tube contacts the cutting knife, it will be cut, and then continue to move upward to move forward and backward through the inclined surface of the triangular block, and then the waste material will move to two lifting boxes, and finally the waste material will fall into the two material guide boxes through a material discharge chute, so that a large amount of waste material can be avoided from being stuffed into the punching knife during punching to affect subsequent punching.

Description

Technical Field

[0001] The invention relates to the technical field of plastic production, in particular to a punching device for plastic production. Background Art

[0002] Plastic refers to a plastic (flexible) material formed by processing with high molecular weight synthetic resin as the main component, or a rigid material formed by curing and cross-linking, with the addition of appropriate additives such as plasticizers, stabilizers, antioxidants, flame retardants, colorants, etc. Plastic products need to be punched during production, but in order to punch different shapes, some punching knives are hollow, which will cause the punched waste to clog the punching knife. As the punching knife continues to work, more and more waste will be blocked, which will cause the punching knife to be blocked and unusable. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention provides a punching device for plastic production, which has the advantages of preventing a large amount of waste from being stuffed into the punching knife during punching and affecting subsequent punching, and solves the problem that plastic products need to be punched during production. However, in order to punch different shapes, some punching knives are hollow, which will cause the punched waste to clog the punching knife. As the punching knife continues to work, more and more waste will be clogged, which will cause the punching knife to be clogged and cannot be used.

[0004] In order to achieve the above-mentioned purpose of avoiding a large amount of waste material from being stuffed into the punching knife during punching and affecting subsequent punching, the present invention provides the following technical solution: a punching device for plastic production, including a workbench, a punching device is arranged on the workbench, a plurality of conveying rollers are arranged on the workbench, two groups of support blocks are fixedly installed on the workbench, two material guide boxes are fixedly installed above the two groups of support blocks, the punching device has a plurality of output shafts, a lifting block is arranged at the lower end of each output shaft of the punching device, a cutting knife is fixedly installed on the lower side of each lifting block, a group of connecting strips are fixedly installed on each cutter, a material guide tube is fixedly installed on the lower side of each group of connecting strips, a punching knife is fixedly installed on the lower end of each material guide tube, there is a gap between each material guide tube and each lifting block, two lifting boxes are fixedly installed on each material guide tube, a material discharge groove is opened on the lower inner wall of each lifting box, and triangular blocks are fixedly installed on the front and rear sides of each cutter.

[0005] Preferably, a connecting frame is fixedly installed on the upper side of each lifting block, and a block is movably connected in each connecting frame. Each block is respectively fixedly connected to the lower end of each output shaft of the stamping device, and each connecting frame is movably penetrated by a bolt, and each bolt movably penetrates each block, and each bolt is threadedly connected with a nut.

[0006] Preferably, the lower walls of the two material guide boxes are provided with transverse grooves, each of which has two long rods movably passing through it, each of which has a rotating column fixedly sleeved on it, and transmission belts are provided in the two transverse grooves, and the two transmission belts are movably sleeved on the four rotating columns respectively.

[0007] Preferably, each of the long rods is fixedly sleeved with a gear a, each gear a is meshingly connected with a gear b, each gear b is fixedly penetrated by a rotating rod, and a horizontal bar is fixedly installed on the side of the two material guide boxes away from each other, and the upper end of each rotating rod is movably connected to the two horizontal bars through a bearing.

[0008] Preferably, a vertical rod is fixedly mounted on the lower end of each rotating rod, a linkage bar is fixedly mounted on each vertical rod, a lifting column is movably sleeved on each vertical rod, a linkage groove is provided on each lifting column, and each linkage bar is movably connected to each linkage groove.

[0009] Preferably, each of the lifting columns is fixedly sleeved with a gear c, each gear c is meshingly connected with a gear d, a mounting block is provided on the side of the two material guide boxes away from each other, each rotating rod movably passes through each mounting block, a small block is fixedly installed on the lower side of each mounting block, a rotating shaft is fixedly installed on the side of the two material guide boxes away from each other, a connecting column is fixedly sleeved on the two rotating shafts, the two rotating shafts are fixedly penetrated by four gears d respectively, and the two ends of the two rotating shafts are movably connected to the four small blocks through bearings.

[0010] Preferably, each of the lifting columns is sleeved with a movable bearing, the inner ring of each movable bearing is fixedly connected to the lower side of each mounting block, a ring plate is fixedly installed on the lower side of the outer ring of each movable bearing, and each ring plate is respectively fitted with the upper side of each gear c.

[0011] Preferably, each of the mounting blocks is movably provided with a limit rod, each limit rod is movably sleeved with a pressure spring, the upper end of each pressure spring is respectively fixedly connected to the lower sides of the two horizontal bars, and the lower end of each pressure spring is respectively fixedly connected to the upper side of each mounting block.

[0012] Compared with the prior art, the present invention provides a punching device for plastic production, which has the following beneficial effects:

[0013] 1. The punching device for plastic production places the plastic plate to be punched on the workbench, and then drives the plastic plate to move on the workbench through the conveyor roller, and at the same time drives each punch to move downward to punch the plastic plate through the punching device, and the plastic punched from the plastic plate will be stuffed into the punching knife. As the punching knife continues to punch, more and more waste will be in the punching knife. When the waste at the top of the guide tube contacts the cutter, it will be cut, and then continue to move upward to move forward and backward through the inclined surface of the triangular block. Then the waste will move to two lifting boxes, and finally the waste will fall into the two guide boxes through the discharge chute, so that a large amount of waste can be avoided from being stuffed into the punching knife during punching, affecting subsequent punching.

[0014] 2. The punching device for plastic production can remove each bolt by removing the nut on each bolt, so that each punching knife can be removed, which makes it convenient for subsequent staff to replace punching knives of different shapes and sizes according to punching requirements.

[0015] 3. The punching device for plastic production can drive the two connecting columns to rotate by rubbing the two linkage columns against the plastic plate moving on the workbench, thereby driving the rotating shaft to rotate, so that each gear d can be driven to rotate, so that each gear c can be driven to rotate, so that each rotating rod can be driven to rotate, so that each gear b can be driven to rotate, so that each long rod can be driven to rotate through each gear a, so that each rotating column can be driven to rotate, so that the two transmission belts can be driven to rotate and move, so that the waste material falling into the material guide box can be discharged.

[0016] 4. The punching device for plastic production can continuously apply pressure downward through four pressure springs, so that each mounting block can apply force downward, so that each small block can apply pressure downward, thereby driving the two linkage columns to apply pressure downward, so that the two linkage columns can fit with plastic plates of different thicknesses, so that the linkage columns can be driven by the movement of the plastic plates.

[0017] 5. The punching device for plastic production can make the lifting column rotate and drive the rotating rod to rotate at the same time through the linkage bar and the linkage groove, and then cooperate with the mounting block limit gear c, so that the lifting column can move up and down and drive the rotating rod to rotate at the same time.

[0018] 6. The punching device for plastic production can reduce the friction between the mounting block and the gear C when the mounting block is limited by the movable bearing and the ring plate, thereby preventing the gear C from being unable to rotate due to excessive friction. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the front three-dimensional structure of the present invention;

[0020] Figure 2 For the present invention Figure 1 Schematic diagram of the three-dimensional structure of the middle lifting block;

[0021] Figure 3 For the present invention Figure 1 Schematic diagram of the three-dimensional structure of the middle guide box;

[0022] Figure 4 For the present invention Figure 1 Schematic diagram of the three-dimensional structure of the middle punch cutter;

[0023] Figure 5 For the present invention Figure 4 Schematic diagram of the three-dimensional structure of the middle material guide pipe;

[0024] Figure 6 For the present invention Figure 1 Schematic diagram of the three-dimensional structure of the middle linkage column;

[0025] Figure 7 For the present invention Figure 6 Schematic diagram of the three-dimensional structure of the middle rotating rod;

[0026] Figure 8 For the present invention Figure 6 Schematic diagram of the three-dimensional structure of the middle lifting column;

[0027] Fig. 9 For the present invention Figure 4 Schematic diagram of the three-dimensional structure of the middle lifting box.

[0028] In the figure: 1. workbench; 2. conveyor roller; 3. support block; 4. material guide box; 5. punching knife; 6. lifting block; 7. punching device; 8. movable bearing; 9. connecting strip; 10. material guide tube; 11. lifting box; 12. material discharge chute; 13. horizontal strip; 14. linkage column; 15. transmission belt; 16. rotating shaft; 17. horizontal groove; 18. bolt; 19. nut; 20. square; 21. connecting frame; 22. triangular block; 23. gear b; 24. rotating rod; 25. gear a; 26. long rod; 27. rotating column; 28. limit rod; 29. ​​pressure spring; 30. mounting block; 31. small block; 32. gear d; 33. gear c; 34. ring plate; 35. lifting column; 36. vertical rod; 37. linkage groove; 38. linkage strip; 39. cutting knife. DETAILED DESCRIPTION

[0029] The present invention is further described in detail below in conjunction with the accompanying drawings, wherein the same components are represented by the same figure numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower", "bottom surface" and "top surface" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] See also Figure 1-Figure 9The present invention provides a technical solution: a blanking device for plastic production, comprising a workbench 1, a punching device 7 is arranged on the workbench 1, a plurality of conveying rollers 2 are arranged on the workbench 1, two groups of support blocks 3 are fixedly installed on the workbench 1, two guide boxes 4 are fixedly installed above the two groups of support blocks 3, the punching device 7 has a plurality of output shafts, a lifting block 6 is arranged at the lower end of each output shaft of the punching device 7, a cutter 39 is fixedly installed at the lower side of each lifting block 6, a group of connecting strips 9 is fixedly installed on each cutter 39, a material guide tube 10 is fixedly installed at the lower side of each group of connecting strips 9, a blanking knife 5 is fixedly installed at the lower end of each material guide tube 10, there is a gap between each material guide tube 10 and each lifting block 6, and two material guide boxes 4 are fixedly installed on each material guide tube 10. There are a lifting box 11, each lifting box 11 has a feeding groove 12 on the lower inner wall, and each cutter 39 is fixedly installed with a triangular block 22 on both sides of the front and rear. The plastic plate to be punched is placed on the workbench 1, and then the plastic plate is driven to move on the workbench 1 by the conveyor roller 2. At the same time, each punching knife 5 is driven to move downward to punch the plastic plate through the punching device 7, and the plastic punched from the plastic plate will be stuffed into the punching knife 5. As the punching knife 5 continues to punch, more and more waste will be in the punching knife 5. When the top waste in the guide tube 10 contacts the cutter 39, it will be cut, and then continue to move upward to be squeezed to move to the front and rear sides through the inclined surface of the triangular block 22, and then the waste will move to the two lifting boxes 11, and finally the waste The material will fall into the two material guide boxes 4 through the material discharge chute 12, so that a large amount of waste material can be avoided from being stuffed into the punching knife 5 during punching and affecting the subsequent punching. A connecting frame 21 is fixedly installed on the upper side of each lifting block 6, and a block 20 is movably connected in each connecting frame 21. Each block 20 is respectively fixedly connected to the lower end of each output shaft of the punching device 7, and a bolt 18 is movably penetrated on each connecting frame 21. Each bolt 18 movably penetrates each block 20, and each bolt 18 is threadedly connected with a nut 19. After removing the nut 19 on each bolt 18, each bolt 18 can be pulled out, so that each punching knife 39 can be removed, so that the subsequent staff can replace punching knives of different shapes and sizes according to the punching requirements. 39. The lower walls of the two material guide boxes 4 are provided with transverse grooves 17, and two long rods 26 are movably penetrated in each transverse groove 17, and a rotating column 27 is fixedly sleeved on each long rod 26. A transmission belt 15 is provided in the two transverse grooves 17, and the two transmission belts 15 are movably sleeved on the four rotating columns 27 respectively. A gear a25 is fixedly sleeved on each long rod 26, and a gear b23 is meshed and connected on each gear a25. A rotating rod 24 is fixedly penetrated on each gear b23. A transverse bar 13 is fixedly installed on the side of the two material guide boxes 4 away from each other, and the upper end of each rotating rod 24 is movably connected to the two transverse bars 13 through a bearing, and a vertical rod 36 is fixedly installed on the lower end of each rotating rod 24, and a linkage bar 38 is fixedly installed on each vertical rod 36.A lifting column 35 is movably sleeved on each vertical rod 36, and a linkage groove 37 is provided on each lifting column 35. Each linkage bar 38 is movably connected with each linkage groove 37. A gear c33 is fixedly sleeved on each lifting column 35, and a gear d32 is meshed and connected on each gear c33. A mounting block 30 is provided on the side away from each other of the two material guide boxes 4. Each rotating rod 24 movably penetrates each mounting block 30, and a small block 31 is fixedly installed on the lower side of each mounting block 30. A rotating shaft 16 is fixedly installed on the side away from each other of the two material guide boxes 4. The linkage column 14 is fixedly sleeved on the two rotating shafts 16. The two rotating shafts 16 are fixedly penetrated by four gears d 32, the two ends of the two rotating shafts 16 are movably connected to the four small blocks 31 through bearings, each lifting column 35 is sleeved with a movable bearing 8, the inner ring of each movable bearing 8 is fixedly connected to the lower side of each mounting block 30, and the lower side of the outer ring of each movable bearing 8 is fixedly installed with a ring plate 34, and each ring plate 34 is respectively fitted with the upper side of each gear c33. By rubbing the two linkage columns 14 on the plastic plate moving on the workbench 1, the two connecting columns 14 can be driven to rotate, thereby driving the rotating shaft 16 to rotate, so that each gear d32 can be driven to rotate, thereby driving each gear c33 to rotate, so that the rotating rod 24 can be driven to rotate, so that Each gear b23 is driven to rotate, so that each long rod 26 can be driven to rotate through each gear a25, thereby driving each rotating column 27 to rotate, so that the two transmission belts 15 can be driven to rotate and move, so that the waste material falling into the material guide box 4 can be discharged, and each mounting block 30 is movably penetrated by a limit rod 28, and each limit rod 28 is movably sleeved with a pressure spring 29, and the upper end of each pressure spring 29 is respectively fixedly connected to the lower side of the two horizontal bars 13, and the lower end of each pressure spring 29 is respectively fixedly connected to the upper side of each mounting block 30, and pressure can be continuously applied downward by four pressure springs 29, so that each mounting block 30 can apply force downward, so that Each small block 31 can apply downward pressure, thereby driving the two linkage columns 14 to apply downward pressure, so that the two linkage columns 14 can fit with plastic plates of different thicknesses, so that the linkage columns 14 can be driven by the movement of the plastic plates, and the lifting column 35 can be rotated by the linkage bar 38 and the linkage groove 37 while driving the rotating rod 24 to rotate, and then cooperate with the mounting block 30 to limit the gear c33, so that the lifting column 35 can move up and down while driving the rotating rod 24 to rotate, and the movable bearing 8 can be used with the ring plate 34 to reduce the friction between the mounting block 30 and the gear c33 when limiting, so that the gear c33 can be prevented from rotating due to excessive friction.

[0032] When in use, the first step is: placing the plastic plate to be punched on the workbench 1, and then driving the plastic plate to move on the workbench 1 through the conveyor roller 2, and at the same time driving each punching 5 to move downward through the punching device 7 to punch the plastic plate, and the plastic punched from the plastic plate will be stuffed into the punching knife 5. As the punching knife 5 continues to punch, more and more waste will be in the punching knife 5. When the top waste in the guide tube 10 contacts the cutter 39, it will be cut, and then continue to move upward and will be squeezed to the front and rear sides by the inclined surface of the triangular block 22, and then the waste will move to the two lifting boxes 11, and finally the waste will fall into the two guide boxes 4 through the discharge chute 12, so that a large amount of waste can be avoided from being stuffed into the punching knife 5 during punching, affecting subsequent punching.

[0033] Step 2: After removing the nut 19 on each bolt 18, each bolt 18 can be pulled out, so that each punching knife 39 can be removed, so that subsequent staff can easily replace the punching knife 39 of different shapes and sizes according to punching requirements.

[0034] Step 3: By rubbing the two linkage columns 14 with the plastic plate moving on the workbench 1, the two connecting columns 14 can be driven to rotate, thereby driving the rotating shaft 16 to rotate, so that each gear d32 can be driven to rotate, thereby driving each gear c33 to rotate, so that the rotating rod 24 can be driven to rotate, thereby driving each gear b23 to rotate, so that each long rod 26 can be driven to rotate through each gear a25, thereby driving each rotating column 27 to rotate, so that the two transmission belts 15 can be driven to rotate and move, so that the waste material falling into the material guide box 4 can be discharged.

[0035] Step 4: Pressure can be continuously applied downwards through the four pressure springs 29, so that each mounting block 30 can apply force downwards, so that pressure can be applied downwards through each small block 31, thereby driving the two linkage columns 14 to apply pressure downwards, so that the two linkage columns 14 can fit with plastic plates of different thicknesses, so that the linkage columns 14 can be driven by the movement of the plastic plates.

[0036] Step 5: The lifting column 35 can be rotated by the linkage bar 38 and the linkage groove 37, and the rotating rod 24 can be driven to rotate at the same time. Then, the mounting block 30 and the limiting gear c33 are cooperated, so that the lifting column 35 can be moved up and down and the rotating rod 24 can be driven to rotate at the same time.

[0037] Step 6: By using the movable bearing 8 in conjunction with the ring plate 34, the friction between the mounting block 30 and the gear c33 can be reduced when the mounting block 30 is limited, thereby preventing the gear c33 from being unable to rotate due to excessive friction.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A punching device for plastic production, comprising a workbench (1), a punching device (7) being arranged on the workbench (1), and a plurality of conveying rollers (2) being arranged on the workbench (1), characterized in that: The workbench (1) is fixedly mounted with two groups of support blocks (3), two material guide boxes (4) are fixedly mounted above the two groups of support blocks (3), the punching device (7) has a plurality of output shafts, a lifting block (6) is arranged at the lower end of each output shaft of the punching device (7), a cutter (39) is fixedly mounted at the lower side of each lifting block (6), a group of connecting strips (9) is fixedly mounted on each cutter (39), a material guide tube (10) is fixedly mounted at the lower side of each group of connecting strips (9), a punching knife (5) is fixedly mounted at the lower end of each material guide tube (10), a gap exists between each material guide tube (10) and each lifting block (6), two lifting boxes (11) are fixedly mounted on each material guide tube (10), and each lifting box (11) has a lower inner wall formed thereon. A material discharge trough (12) is provided, triangular blocks (22) are fixedly installed on both the front and rear sides of each cutter (39), a connecting frame (21) is fixedly installed on the upper side of each lifting block (6), a square block (20) is movably connected in each connecting frame (21), each square block (20) is respectively fixedly connected to the lower end of each output shaft of the punching device (7), a bolt (18) is movably penetrated on each connecting frame (21), each bolt (18) movably penetrates each square block (20), each bolt (18) is threadedly connected with a nut (19), a transverse groove (17) is provided on the lower wall of the two material guide boxes (4), two long rods (26) are movably penetrated in each transverse groove (17), and a rotating column (27) is fixedly sleeved on each long rod (26), A transmission belt (15) is provided in each of the two transverse grooves (17), and the two transmission belts (15) are movably sleeved on the four rotating columns (27) respectively. A gear a (25) is fixedly sleeved on each long rod (26), and each gear a (25) is meshingly connected with a gear b (23), and a rotating rod (24) is fixedly passed through each gear b (23). A transverse bar (13) is fixedly installed on the side of the two material guide boxes (4) away from each other, and the upper end of each rotating rod (24) is movably connected to the two transverse bars (13) through a bearing, and a vertical rod (36) is fixedly installed on the lower end of each rotating rod (24), and a linkage bar (38) is fixedly installed on each vertical rod (36), and a lifting column (35) is movably sleeved on each vertical rod (36). Each lifting column (35) is provided with a linkage groove (37), each linkage bar (38) is movably connected to each linkage groove (37), each lifting column (35) is fixedly sleeved with a gear c (33), each gear c (33) is meshingly connected with a gear d (32), a mounting block (30) is provided on the side away from each other of the two material guide boxes (4), each rotating rod (24) movably penetrates each mounting block (30), a small block (31) is fixedly installed on the lower side of each mounting block (30), a rotating shaft (16) is fixedly installed on the side away from each other of the two material guide boxes (4), a linkage column (14) is fixedly sleeved on the two rotating shafts (16), and the two rotating shafts (16) are fixedly penetrated by four gears d (32), respectively.The two ends of the two rotating shafts (16) are movably connected to the four small blocks (31) through bearings, respectively; each lifting column (35) is sleeved with a movable bearing (8); the inner ring of each movable bearing (8) is fixedly connected to the lower side of each mounting block (30); the lower side of the outer ring of each movable bearing (8) is fixedly installed with a ring plate (34); each ring plate (34) is respectively fitted with the upper side of each gear c (33); each mounting block (30) is movably penetrated by a limit rod (28); each limit rod (28) is movably sleeved with a pressure spring (29); the upper end of each pressure spring (29) is respectively fixedly connected to the lower sides of the two horizontal bars (13); and the lower end of each pressure spring (29) is respectively fixedly connected to the upper side of each mounting block (30).

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