A leaf twisting device

Abstract

The present application relates to the field of screwing device, especially to a kind of screwing device, including bottom plate, both sides of the bottom plate are provided with pulley, two pulleys are connected by synchronous belt, one pulley is fixed with the output end of positioning motor, the bottom plate is also provided with sliding table with the sliding connection of bottom plate, the sliding table is fixed with synchronous belt, the end of the sliding table is also uniformly fixed with multiple screwing mechanisms, the screwing mechanism includes the rotating tube being set on the sliding table and being rotatably connected with the sliding table, the rotating tube is driven to rotate by screwing motor, the end of the rotating tube is also symmetrically provided with screwing claw, the screwing mechanism also includes the cylinder being fixed on the sliding table, the piston rod end of the cylinder is fixed with connecting block, the end of the connecting block is provided with connecting shaft rotatably connected with the connecting block, the connecting shaft is slidably connected with the rotating tube, the end of the connecting shaft is also fixed with horizontal push rod.The device can meet the production demand of any size PVC loose straw leaf.

Description

Technical Field

[0001] This invention relates to the field of screwing devices, and more particularly to a blade screwing device. Background Technology

[0002] During the production of PVC pine needles, PVC blades are evenly formed on the surface of iron wire. After the PVC blades are formed, both ends of the PVC blades are on both sides of the iron wire. Then, the iron wire is twisted by a twisting machine to achieve an even distribution of PVC around the iron wire. However, the existing PVC pine needles are generally produced in sizes of 3 meters or more to ensure normal production. This results in the PVC pine needle twisting machine being too large. Furthermore, when producing shorter PVC pine needles, it is impossible to guarantee that the shorter iron wires can be twisted properly.

[0003] This invention was proposed in response to the shortcomings of existing technologies. Summary of the Invention

[0004] The purpose of this invention is to overcome the shortcomings of the prior art and provide a blade twisting device.

[0005] This invention can be achieved through the following technical solutions: This invention discloses a blade-twisting device, comprising a base plate, on both sides of which are provided with pulleys. Two pulleys are connected by a synchronous belt, and one pulley is fixed to the output end of a positioning motor. The base plate is also provided with a slide table slidably connected to the base plate, and the slide table is fixed to the synchronous belt. Multiple twisting mechanisms are uniformly fixed to the upper end of the slide table. Each twisting mechanism includes a rotating tube disposed on the slide table and rotatably connected to the slide table. Each rotating tube is driven to rotate by a twisting motor. Twisting claws are symmetrically arranged on both sides of the upper end of each rotating tube. The twisting mechanism also includes a cylinder fixed to the slide table. A connecting block is fixed to the end of the piston rod of each cylinder. A connecting shaft is rotatably connected to the end of each connecting block. The connecting shaft is slidably connected to the rotating tube. A horizontal push rod is fixed to the end of the connecting shaft. Both ends of the horizontal push rod are connected to the corresponding twisting claws through push-pull rods. The product to be twisted is conveyed to one side of each twisting mechanism. After the product is fixed, the positioning motor drives the synchronous belt to rotate. Since the slide table is slidably connected to the base plate and fixed to the synchronous belt, the slide table slides on the base plate when the synchronous belt rotates. Each twisting mechanism moves closer to the product, and the end of the product is between the two twisting claws of the twisting mechanism. The cylinder is activated, and each connecting block pushes the connecting shaft to move. The horizontal push rod moves, and the horizontal push rod pushes the push-pull rod to move. The push-pull rod pushes the twisting claw to rotate around the contact position between the twisting claw and the rotating tube. After the two twisting claws clamp the product, the twisting motor drives each rotating tube to rotate. The two twisting claws drive the end of the product to rotate, and when the twisting claws rotate, the positioning motor drives the product to rotate again. The synchronous belt rotates in the opposite direction, and the twisting claw moves away from the product, uniformly twisting the end of the product into shape. Then, the product at the twisted position is cut off to form short PVC pine branches. The product to be twisted is then moved to the designated position again, and the end of the product is twisted again. This process is repeated. This device can twist a section of the formed wire, and the wire at the twisted position is twisted evenly. This allows the PVC blades at the twisted position to be evenly distributed around the wire. The movement distance of the slide can be adjusted according to the size of the wire to be twisted. After twisting, the wire at the twisted position is cut off, which meets the production needs of PVC pine branches of any size. Multiple products can be twisted at once, which greatly improves the twisting efficiency.

[0006] Preferably, each of the rotating tubes is fixed with a slave sprocket, and the output end of the turning motor is fixed with a master sprocket, the master sprocket being connected to the slave sprocket via a chain.

[0007] Preferably, one end of the push-pull rod is hinged to the screw claw, and the other end of the push-pull rod is hinged to the horizontal push rod.

[0008] Preferably, a positioning plate is fixed on the slide, and the positioning plate is fixed to the timing belt. Multiple hydraulic buffers are fixed on the base plates on both sides of the positioning plate. The hydraulic buffers act as a buffer, slowing the slide to a stop through hydraulic damping, thus providing a protective function.

[0009] Compared with existing technologies, the present invention has the following advantages: This device can twist a section of formed iron wire, ensuring that the wire is twisted evenly at the twisting point. This allows PVC blades to be evenly distributed around the wire. The movement distance of the slide can be adjusted according to the size of the wire to be twisted. After twisting, the wire is cut off at the twisting point, meeting the production needs of PVC pine needles of any size. Furthermore, multiple products can be twisted at once, greatly improving the twisting efficiency. Attached Figure Description

[0010] The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings, wherein: Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the structure of the present invention from another angle; Figure 3 This is a schematic diagram of the third angle structure of the present invention; Figure 4 for Figure 3 Sectional view at point AA; In the diagram: 1. Base plate; 2. Pulley; 3. Synchronous belt; 4. Positioning motor; 5. Slide table; 6. Twisting mechanism; 7. Rotary tube; 8. Driven sprocket; 9. Twisting motor; 10. Main sprocket; 11. Chain; 12. Twisting claw; 13. Cylinder; 14. Connecting block; 15. Connecting shaft; 16. Horizontal push rod; 17. Push-pull rod; 18. Buffer; 19. Positioning plate; Detailed Implementation

[0011] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings: Example

[0012] like Figures 1 to 4As shown, this embodiment discloses a blade twisting device, including a base plate 1. Two pulleys 2 are provided on both sides of the base plate 1, and two pulleys 2 are connected by a synchronous belt 3. One pulley 2 is fixed to the output end of a positioning motor 4. A slide table 5 is also provided on the base plate 1 and slidably connected to it. The slide table 5 is fixed to the synchronous belt 3. Multiple twisting mechanisms 6 are evenly fixed to the upper end of the slide table 5. Each twisting mechanism 6 includes a rotating tube 7 disposed on the slide table 5 and rotatably connected to it. Each rotating tube 7 is driven to rotate by a twisting motor 9. Twisting claws 12 are symmetrically arranged on both sides of the end of each rotating tube 7. The twisting mechanism 6 also includes a cylinder 13 fixed to the slide table 5. A connecting block 14 is fixed to the end of the piston rod of each cylinder 13. A connecting shaft 15 is rotatably connected to the end of each connecting block 14. The connecting shaft 15 is slidably connected to the rotating tube 7. A horizontal push rod 16 is fixed to the end of the connecting shaft 15. Both ends of the horizontal push rod 16 are connected to the corresponding twisting claws 12 via push-pull rods 17. The product to be twisted is conveyed to one side of each twisting mechanism 6. The positioning motor 4 drives the synchronous belt 3 to rotate. Since the slide table 5 is slidably connected to the base plate 1 and the slide table 5 is fixed to the synchronous belt 3, when the synchronous belt 3 rotates, the slide table 5 slides on the base plate 1. Each twisting mechanism 6 moves closer to the product, and the end of the product is between the two twisting claws 12 of the twisting mechanism 6. The cylinder 13 is activated, and each connecting block 14 pushes the connecting shaft 15 to move. The horizontal push rod 16 moves, and the horizontal push rod 16 pushes the push-pull rod 17 to move. The push-pull rod 17 pushes the twisting claw 12 to rotate around the contact position between the twisting claw 12 and the rotating tube 7. After the two twisting claws 12 clamp the product, the twisting motor 9 drives each rotating tube 7 to rotate. The twisting claw 12 drives the end of the product to rotate. When the twisting claw 12 rotates, the positioning motor 4 drives the synchronous belt 3 to rotate in the opposite direction. The twisting claw 12 moves away from the product, and the end of the product is evenly twisted and shaped. Then the product at the twisted position is cut off. After that, the product is moved to the designated position again. This device can twist a section of the shaped iron wire. The iron wire at the twisted position is evenly twisted, which can make the PVC blades evenly distributed around the iron wire. The moving distance of the slide table 5 can be adjusted according to the size of the iron wire to be twisted. After twisting, the iron wire at the twisted position is cut off, which can meet the production needs of PVC pine needles of any size. Multiple products can be twisted at one time, which greatly improves the twisting efficiency of the product.

[0013] Each of the rotating tubes 7 is fixed with a sprocket 8, and the output end of the rotating motor 9 is fixed with a main sprocket 10. The main sprocket 10 is connected to the sprocket 8 via a chain 11.

[0014] One end of the push-pull rod 17 is hinged to the screw claw 12, and the other end of the push-pull rod 17 is hinged to the horizontal push rod 16. Example

[0015] This embodiment discloses a blade-twisting device. Based on the structure and principle of Embodiment 1, this embodiment has a positioning plate 19 fixed on the slide table 5. The positioning plate 19 is fixed to the timing belt 3, and multiple hydraulic buffers 18 are fixed on the base plates 1 on both sides of the positioning plate 19. By blocking the hydraulic buffers 18, the slide table 5 is buffered and decelerated to a stop through hydraulic damping, thus playing a protective role.

[0016] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A blade twisting device, characterized in that, The device includes a base plate with pulleys on both sides. Two pulleys are connected by a synchronous belt, and one pulley is fixed to the output end of a positioning motor. The base plate also has a slide table slidably connected to it and fixed to the synchronous belt. Multiple screwing mechanisms are evenly fixed to the upper end of the slide table. Each screwing mechanism includes a rotating tube mounted on and rotatably connected to the slide table. The rotating tubes are all driven to rotate by a screwing motor. Screwing claws are symmetrically arranged on both sides of the ends of the rotating tubes. The screwing mechanism also includes a cylinder fixed to the slide table. A connecting block is fixed to the end of the piston rod of each cylinder. A connecting shaft is rotatably connected to the end of each connecting block and slidably connected to the rotating tube. A horizontal push rod is fixed to the end of the connecting shaft. Both ends of the horizontal push rod are connected to the screwing claws at corresponding positions via push-pull rods.

2. The blade-twisting device according to claim 1, characterized in that: Each rotating tube is fixed with a slave sprocket, and the output end of the turning motor is fixed with a master sprocket. The master sprocket is connected to the slave sprocket by a chain.

3. The blade-twisting device according to claim 1, characterized in that: One end of the push-pull rod is connected to the screw claw hinge, and the other end of the push-pull rod is connected to the horizontal push rod hinge.

4. The blade-twisting device according to claim 1, characterized in that: A positioning plate is fixed on the slide, and the positioning plate is fixed to the timing belt. Multiple hydraulic buffers are fixed on the base plates on both sides of the positioning plate.

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