A conveyor line bundling machine

Abstract

The application discloses a conveying and connecting type bundling machine, which comprises a base frame provided with a driving shaft body, a driven shaft body and a first rotating shaft body, and a continuous conveying surface formed by a first flexible conveying belt. A suspended support and a supporting roller are arranged on one side of the conveying surface, and a double-layer supporting structure is formed by the conveying belt, and a first gap and a second gap are formed. A rocker arm mechanism connected by a shaft sleeve is controlled by a driving device, drives a penetrating sleeve to make annular motion along the first gap, and makes the bundling material surround the products in conveying. A bundling forming device located below the conveying belt is matched, and the material is synchronously wound, bundled, formed and cut off during continuous conveying. The application breaks through the limitation of traditional fixed bundling equipment which needs to interrupt the material flow, and through the collaborative design of the dynamic avoidance structure and the rotating bundling mechanism, the bundling operation is completely integrated into the continuous conveying line, the production line rhythm is effectively maintained, the automation degree is improved, and the modern assembly line non-stop operation demand is met.

Description

Technical Field

[0001] This application relates to the technical field of strapping machinery and equipment, and more specifically, it relates to a conveyor-connected strapping machine. Background Technology

[0002] Existing strapping machines mostly adopt a fixed structure (such as tabletop or vertical design), requiring products to be transferred to an independent workstation for strapping. In continuous conveyor line scenarios, such equipment requires interrupting material flow or adding transfer mechanisms, resulting in longer production line cycle times, reduced automation, and difficulty in meeting the "non-stop operation" requirements of modern assembly lines. Utility Model Content

[0003] To address the problem that existing strapping machines mostly adopt a fixed structure, which leads to longer production line cycle times, reduced automation, and difficulty in meeting the "non-stop operation" requirements of modern assembly lines, this application provides a conveyor-connected strapping machine.

[0004] A conveyor-connected strapping machine includes a base frame. First rotating shafts are rotatably mounted on opposite sides of the top of the base frame. A drive shaft and a driven shaft are rotatably mounted on opposite sides of the bottom of the base frame. The two first rotating shafts are symmetrically and parallel to each other, and both the drive shaft and the driven shaft are parallel to the first rotating shafts. A first flexible conveyor belt is fitted around the outer periphery of each shaft. The drive shaft is connected to a first rotary drive device, which drives the drive shaft to rotate.

[0005] A bracket is provided between the two first rotating shafts. A mounting base is provided on the top of the base frame on the side of the bracket away from the first flexible conveyor belt. The mounting base is provided with a connecting shaft parallel to the first rotating shaft. A first connector is provided at the end of the connecting shaft near the bracket. The first connector is connected to the bracket so that the bracket is suspended. Multiple support rollers parallel to the first rotating shaft are rotatably provided on the top of the bracket. The top surface of the support rollers is flush with the bearing surface of the first flexible conveyor belt. A first gap is formed between the first flexible conveyor belt and the bracket, and a second gap is formed between the two first rotating shafts and the bracket.

[0006] A bushing is pivotally connected to the connecting shaft at the location between the mounting base and the first connecting member. The bushing is connected to a rocker arm with an orthogonal extension. The vertical extension of the rocker arm extends to the bottom of the bracket, and the horizontal extension of the rocker arm extends to the first gap. A insertion sleeve for binding material to pass through is provided on the horizontal extension of the rocker arm corresponding to the position of the first gap. A second rotation drive device is provided on the base frame. The second rotation drive device is connected to the bushing to drive the bushing to rotate. The first gap is used to avoid binding material, and the two second gaps are used to avoid the rocker arm.

[0007] The basic frame is provided with a bundling and forming device below the bearing section of the first flexible conveyor belt. The bundling and forming device is used to fix, form knots and cut the bundling material passing through the insert sleeve.

[0008] Preferably, the basic frame has an upwardly extending extension frame on the side of the first flexible conveyor belt away from the support. A lifting drive device is fixed at the top of the extension frame. The lifting drive device is connected to a second connector, which drives the second connector to rise and fall. A mounting plate is connected to the bottom of the second connector. The mounting plate is side-mounted, and two symmetrical and parallel third rotating shafts are rotatably mounted on one side of the mounting plate. Both third rotating shafts are parallel to the first rotating shaft, and the second flexible conveyor belt is sleeved around the outer periphery of both third rotating shafts. A third rotation drive device is also provided on the mounting plate. The third rotation drive device is connected to one of the third rotating shafts to drive the third rotating shaft to rotate.

[0009] Preferably, the mounting plate is further rotatably provided with a plurality of first pressure rollers, which are located between the two third rotating shafts and arranged along the line connecting the two third rotating shafts. The plurality of first pressure rollers are parallel to the third rotating shafts and are offset from the third rotating shafts to press down on the lower section of the second flexible conveyor belt.

[0010] Preferably, the mounting plate is further rotatably provided with a plurality of second pressure rollers, which are located between the two third rotating shafts and arranged along the line connecting the two third rotating shafts. The plurality of second pressure rollers are parallel to the third rotating shafts, and are offset from the third rotating shafts and press down on the upper section of the second flexible conveyor belt.

[0011] Preferably, the lifting drive device is a cylinder.

[0012] Preferably, the base frame is provided with a first side plate on the side of the first flexible conveyor belt away from the support, and the support is provided with a second side plate on the side of the support roller away from the first flexible conveyor belt, and both the first side plate and the second side plate are side-mounted.

[0013] Preferably, the binding and forming device is a bird's beak knotter.

[0014] Preferably, the first rotary drive device, the second rotary drive device, and the third rotary drive device are all servo motors. The second rotary drive device is connected to the bushing through a sprocket transmission structure. The sprocket transmission structure includes a first sprocket disposed on the bushing, a second sprocket disposed on the drive shaft of the second rotary drive device, and a chain sleeved on the first sprocket and the second sprocket.

[0015] The beneficial technical effects of this application are as follows: The first flexible conveyor belt is driven to rotate by a first rotary drive device, allowing the bundled product to be placed on the first flexible conveyor belt and support rollers for material transfer. A first gap allows the bundled material to pass through, and two second gaps allow the rocker arm to pass through. This allows the second rotary drive device's drive shaft to rotate, causing the horizontal extension of the rocker arm to move in a circular trajectory around the support. The bundled material passes through the insertion sleeve and is fixed to the bundling forming device. The horizontal extension of the rocker arm moves in a circular trajectory around the support, causing the insertion sleeve to pull the bundled material in a closed-loop circular trajectory, wrapping it around the product in the first gap. After the bundled material is wrapped around the product, it is bound together by the bundling forming device and then cut at the knot, completing the bundling process. The material is bundled on the conveyor belt, which connects to other conveying equipment on the production line, meeting the requirements of a connected conveyor line scenario. This eliminates the need to interrupt material flow, thus improving the overall production efficiency of the production line. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of a conveyor-type strapping machine according to this embodiment.

[0017] Figure 2 This is a schematic diagram of the connection structure between the bushing and the rocker arm in this embodiment.

[0018] Reference numerals: 1. Basic frame; 2. First rotating shaft; 3. Drive shaft; 4. Driven shaft; 5. First flexible conveyor belt; 6. First rotary drive device; 7. Bracket; 8. Mounting base; 9. Connecting shaft; 10. Connector; 11. Support roller; 12. First gap; 13. Second gap; 14. Bushing; 15. Rocker arm; 16. Vertical extension; 17. Horizontal extension; 18. Insertion sleeve; 19. Second rotary drive device; 20. First sprocket; 21. Second sprocket; 22. Chain; 23. Bundling and forming device; 24. Extension frame; 25. Lifting drive device; 26. Second connector; 27. Mounting plate; 28. Third rotating shaft; 29. ​​Second flexible conveyor belt; 30. Third rotary drive device; 31. First pressure roller; 32. Support plate; 33. Second pressure roller; 34. First side plate; 35. Second side plate; Detailed Implementation

[0019] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0020] Reference Figure 1 A conveyor-type strapping machine includes a base frame 1. First rotating shafts 2 are rotatably mounted on opposite sides of the top of the base frame 1. A drive shaft 3 and a driven shaft 4 are rotatably mounted on opposite sides of the bottom of the base frame 1. The two first rotating shafts 2 are supported and parallel to each other. Both the drive shaft 3 and the driven shaft 4 are parallel to the first rotating shafts 2, and a first flexible conveyor belt 5 is sleeved around the outer periphery of each shaft. A first rotary drive device 6, which is a servo motor, drives the drive shaft 3 to rotate. The rotation of the drive shaft 3 drives the first flexible conveyor belt 5 for conveying.

[0021] Reference Figure 1A bracket 7 is provided between the two first rotating shafts 2. A mounting base 8 is provided on the top of the base frame 1 on the side of the bracket 7 away from the first flexible conveyor belt 5. The mounting base 8 is provided with a connecting shaft 9 parallel to the first rotating shaft 2. A first connector 10 is provided at the end of the connecting shaft 9 near the bracket 7. The first connector 10 is connected to the bracket 7, so that the bracket 7 is suspended. Multiple support rollers 11 parallel to the first rotating shaft 2 are rotatably provided on the top of the bracket 7. The support rollers 11 are arranged along the line connecting the two first rotating shafts 2. The top surface of the support rollers 11 is flush with the bearing surface of the first flexible conveyor belt 5. A first gap 12 is formed between the first flexible conveyor belt 5 and the bracket 7. A second gap 13 is formed between the two first rotating shafts 2 and the bracket 7. The material is conveyed by the first flexible conveyor belt 5 and the support rollers 11. The first gap 12 avoids the binding material, so that the binding material has a space to wrap around the material in a circular trajectory.

[0022] Reference Figure 1 and Figure 2A bushing 14 is pivotally connected to the connecting shaft 9 at the position between the mounting base 8 and the first connecting member 10. The bushing 14 is connected to a rocker arm 15 with an orthogonal extension. The vertical extension 16 of the rocker arm 15 extends to the bottom of the bracket 7, and the horizontal extension of the rocker arm 15 extends to the first gap 12. A insertion sleeve 18 for binding material is provided on the horizontal extension 17 of the rocker arm 15 corresponding to the position of the first gap 12. A second rotary drive device 19 is provided on the base frame 1, located below the rocker arm 15 and... It is connected to the bushing 14 to drive the bushing 14 to rotate. The second rotary drive device 19 is a servo motor, which is connected to the bushing 14 through a sprocket transmission structure to drive the bushing 14 to rotate. The sprocket transmission structure includes a first sprocket 20 disposed on the bushing 14, a second sprocket 21 disposed on the drive shaft of the second rotary drive device 19, and a chain 22 (not shown in the figure) sleeved on the first sprocket 20 and the second sprocket 21. The servo motor drives the second sprocket 21 to rotate, and the second sprocket 21 drives the first sprocket 20 through the chain 22. A sprocket 20 and bushing 14 rotate. Through the rotation of bushing 14 and the two second gaps 13, the horizontal extension 17 of the rocker arm 15 avoids obstruction, allowing the horizontal extension 17 of the rocker arm 15 to rotate in a circular trajectory around the support 7. A bundling and forming device 23 is provided below the receiving section of the first flexible conveyor belt 5 on the base frame 1. The bundling and forming device 23 is used to fix, cut, and connect the end-to-end bundling material passing through the insert sleeve 18. In this embodiment, the bundling and forming device 23 adopts a bird's beak knotter, which includes a knotter... The invention comprises a knotting nozzle, a rope clamp, a knotting mechanism, a cutter, and a cam drive structure. The knotting nozzle is used to clamp and guide the rope to complete the looping and knotting actions. The rope clamp, located near the knotting nozzle, is used to fix one end of the rope to ensure that the rope does not loosen during the knotting process. The knotting mechanism includes a rotating shaft or gear set, which drives the knotting nozzle to rotate through mechanical power to form a knot. The cutter is used to cut off excess rope after knotting, and the rope segments are separated after knotting. The cam drive structure is used to drive the coordinated operation of each component. The bird beak knotter is a known technology and will not be described in detail in this application.

[0023] In the above structure, PP rope is used as the binding material. During the preparation process, the PP rope is wound on a drum, which is sleeved on an external rotating roller. The PP rope is passed through the insert sleeve 18 and fixed to the rope clamp of the bird beak knotter. During the knotting process, the material is conveyed on the first flexible conveyor belt 5 and the support 7. When the material is completely on the support 7, the horizontal extension 17 of the rocker arm 15 rotates around the support 7 in a circular trajectory to stretch and unwind the PP rope and drive it to move in a circular trajectory to wrap around the material. After the PP rope is wrapped around the material, it is clamped and fixed by the rope clamp. The cam drive structure drives the twisting mechanism to operate so that the knotting nozzle can knot the PP rope. After the knotting is completed, the cam drive structure drives the cutter to cut the PP rope to complete the binding of the material. The material is conveyed forward by the first flexible conveyor belt 5. This application completes the binding of the material on the conveyor belt. The conveyor belt can connect to other conveying equipment on the production line, which meets the needs of the connected conveyor line scenario. It does not require interruption of material flow and facilitates the improvement of the overall production efficiency of the production line.

[0024] Reference Figure 1 Furthermore, the basic frame 1 has an upwardly extending extension frame 24 on the side of the first flexible conveyor belt 5 away from the support 7. A lifting drive device 25 is fixed to the top of the extension frame 24. The lifting drive device 25 is connected to a second connecting member 2610, which is driven to rise and fall. A mounting plate 27 is connected to the bottom of the second connecting member 2610. The mounting plate 27 is side-mounted, and two symmetrical and parallel third rotating shafts 28 are rotatably mounted on one side of the mounting plate 27. Both third rotating shafts 28 are parallel to the first rotating shaft 2, and the second flexible conveyor belt is fitted around the outer periphery of both third rotating shafts 28. A third rotation drive device 30 (not shown in the figure) is also mounted on the mounting plate 27. 0 is connected to a third rotating shaft 28 to drive the third rotating shaft 28 to rotate. The rotation of the third rotating shaft 28 drives the second flexible conveyor belt. The transmission direction of the second flexible conveyor belt is the same as that of the first flexible conveyor belt 5 and at the same speed. The lifting drive device 25 drives the second connecting piece 2610 to descend, thereby driving the mounting plate 27 and the second flexible conveyor belt on the mounting plate 27 to descend. This enables the first flexible conveyor belt 5 and the second flexible conveyor belt to clamp and convey materials, making the material conveying stable. Furthermore, due to the clamping of the first flexible conveyor belt 5 and the second flexible conveyor belt, stacked materials are less likely to scatter during the bundling operation. In this embodiment, the lifting drive device 25 is a cylinder, and the third rotating drive device 30 is a servo motor.

[0025] Reference Figure 1Furthermore, a plurality of first pressure rollers 31 are rotatably mounted on the mounting plate 27. The plurality of first pressure rollers 31 are located between two third rotating shafts 28 and arranged along the line connecting the two third rotating shafts 28. The plurality of first pressure rollers 31 are parallel to the third rotating shafts 28. The plurality of first pressure rollers 31 are offset from the third rotating shafts 28 and press down on the lower section of the second flexible conveyor belt. The pressure of the lower section of the second flexible conveyor belt by the third rotating shafts 28 makes the second flexible conveyor belt less prone to deformation when pressing down on the material. A support plate 32 is also provided below the upper section of the first flexible conveyor belt 5 on the base frame 1. The support plate 32 extends to the two first rotating shafts 2. The support plate 32 supports the upper section of the first flexible conveyor belt 5, making the first flexible conveyor belt 5 more resistant to deformation and more capable of bearing load. The first flexible conveyor belt 5 and the second flexible conveyor belt, which are less prone to deformation under stress, make the material transmission more stable when clamping and conveying materials.

[0026] Reference Figure 1 Furthermore, a plurality of second pressure rollers 33 are rotatably mounted on the mounting plate 27. The plurality of second pressure rollers 33 are located between two third rotating shafts 28 and arranged along the line connecting the two third rotating shafts 28. The plurality of second pressure rollers 33 are parallel to the third rotating shafts 28. The plurality of second pressure rollers 33 are offset from the third rotating shafts 28 and press down on the upper section of the second flexible conveyor belt. The second flexible conveyor belt is tightened by the second pressure rollers 33 pressing down on the lower section of the second flexible conveyor belt and the first pressure rollers 31 pressing down on the lower section of the second flexible conveyor belt, so that the transmission of the second flexible conveyor belt is stable.

[0027] Reference Figure 1 Furthermore, the base frame 1 is provided with a first side plate 34 on the side of the first flexible conveyor belt 5 away from the support 7, and the support 7 is provided with a second side plate 35 on the side of the support roller 11 away from the first flexible conveyor belt 5. Both the first side plate 34 and the second side plate 35 are side-mounted, and the material deviation is limited by the first side plate 34 and the second side plate 35, so that the material is conveyed accurately.

[0028] Although embodiments of this application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A conveyor-connected strapping machine, characterized in that: The system includes a basic frame, with a first rotating shaft rotatably mounted on each of the opposite sides of the top of the basic frame, and a driving shaft and a driven shaft rotatably mounted on each of the opposite sides of the bottom of the basic frame. The two first rotating shafts are symmetrically and parallel to each other, and the driving shaft and the driven shaft are both parallel to the first rotating shaft. A first flexible conveyor belt is sleeved around the outer periphery of each shaft. The driving shaft is connected to a first rotary driving device, which drives the driving shaft to rotate. A bracket is provided between the two first rotating shafts. A mounting base is provided on the top of the base frame on the side of the bracket away from the first flexible conveyor belt. The mounting base is provided with a connecting shaft parallel to the first rotating shaft. A first connector is provided at the end of the connecting shaft near the bracket. The first connector is connected to the bracket so that the bracket is suspended. Multiple support rollers parallel to the first rotating shaft are rotatably provided on the top of the bracket. The top surface of the support rollers is flush with the bearing surface of the first flexible conveyor belt. A first gap is formed between the first flexible conveyor belt and the bracket, and a second gap is formed between the two first rotating shafts and the bracket. A bushing is pivotally connected to the connecting shaft at the location between the mounting base and the first connecting member. The bushing is connected to a rocker arm with an orthogonal extension. The vertical extension of the rocker arm extends to the bottom of the bracket, and the horizontal extension of the rocker arm extends to the first gap. A insertion sleeve for binding material to pass through is provided on the horizontal extension of the rocker arm corresponding to the position of the first gap. A second rotation drive device is provided on the base frame. The second rotation drive device is connected to the bushing to drive the bushing to rotate. The first gap is used to avoid binding material, and the two second gaps are used to avoid the rocker arm. The basic frame is provided with a bundling and forming device below the bearing section of the first flexible conveyor belt. The bundling and forming device is used to fix, form knots and cut the bundling material passing through the insert sleeve.

2. The conveyor-connected strapping machine according to claim 1, characterized in that: The basic frame has an upwardly extending extension frame on the side of the first flexible conveyor belt away from the support. A lifting drive device is fixed at the top of the extension frame. The lifting drive device is connected to a second connector, which drives the second connector to rise and fall. A mounting plate is connected to the bottom of the second connector. The mounting plate is side-mounted, and two symmetrical and parallel third rotating shafts are rotatably mounted on one side of the mounting plate. Both third rotating shafts are parallel to the first rotating shaft, and the second flexible conveyor belt is sleeved around the outer periphery of both third rotating shafts. A third rotation drive device is also provided on the mounting plate. The third rotation drive device is connected to one of the third rotating shafts to drive the third rotating shaft to rotate.

3. The conveyor-connected strapping machine according to claim 2, characterized in that: The mounting plate is also rotatably provided with a plurality of first pressure rollers, which are located between the two third rotating shafts and arranged along the line connecting the two third rotating shafts. The plurality of first pressure rollers are parallel to the third rotating shafts and are offset from the third rotating shafts to press down on the lower section of the second flexible conveyor belt.

4. A conveyor-connected strapping machine according to claim 3, characterized in that: The mounting plate is also rotatably provided with a plurality of second pressure rollers, which are located between the two third rotating shafts and arranged along the line connecting the two third rotating shafts. The plurality of second pressure rollers are parallel to the third rotating shafts and are offset from the third rotating shafts and press down on the upper section of the second flexible conveyor belt.

5. A conveyor-connected strapping machine according to claim 2, characterized in that: The lifting drive device is a cylinder.

6. A conveyor-connected strapping machine according to claim 1, characterized in that: The basic frame has a first side plate on the side of the first flexible conveyor belt away from the support, and the support has a second side plate on the side of the support roller away from the first flexible conveyor belt. Both the first side plate and the second side plate are side-mounted.

7. A conveyor-connected strapping machine according to claim 1, characterized in that: The binding and forming device is a bird's beak knotter.

8. A conveyor-connected strapping machine according to claim 2, characterized in that: The first rotary drive device, the second rotary drive device, and the third rotary drive device are all servo motors. The second rotary drive device is connected to the bushing through a sprocket transmission structure. The sprocket transmission structure includes a first sprocket disposed on the bushing, a second sprocket disposed on the drive shaft of the second rotary drive device, and a chain sleeved on the first sprocket and the second sprocket.

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