High speed transmission device for flat end zipper tape machine cutter

Abstract

The application relates to a flat-end zipper tape machine cutter high-speed transmission device, and belongs to the technical field of tape machines. The device comprises a transmission group fixing plate, a transmission bottom plate is bolted to the transmission group fixing plate, two transmission bearing plates are fixedly arranged on the transmission bottom plate, two transmission rods are rotationally arranged between the two transmission bearing plates, the transmission rods are arranged perpendicularly to the transmission bearing plates, and the two transmission rods are parallel to each other. Two double eccentric wheel groups are connected to the two ends of one of the transmission rods, the double eccentric wheel group is composed of two eccentric wheels, the two eccentric wheels are arranged staggeredly, and a cutter connecting rod is connected to the four eccentric wheels of the two double eccentric wheel groups. A single eccentric wheel is connected to the two ends of the other transmission rod, the single eccentric wheel is eccentrically connected with the cutter connecting rod, a driving assembly for driving the two transmission rods to synchronously rotate is arranged between the two transmission bearing plates, and the application has the effect of improving the working efficiency of the tape.

Description

Technical Field

[0001] This application relates to the technical field of ribbon weaving machines, and in particular to a high-speed transmission device for a flat-head zipper ribbon weaving machine. Background Technology

[0002] The flat-head zipper webbing machine is a specialized piece of equipment that meshes zipper teeth with webbing, and it is widely used in the zipper manufacturing industry. The locking mechanism is a key component for tightening and releasing the webbing; its stability and response speed directly affect the webbing quality and the overall machine production efficiency.

[0003] In the existing technology, the driving method of the switch blade mostly adopts a cam and spring structure. Specifically, the cam is mounted on the drive shaft and pushes the switch blade down to press the webbing when the drive shaft rotates. One end of the spring is connected to the switch blade and the other end is fixed to the frame. It is used to drive the switch blade up to reset after the cam disengages, thereby realizing the periodic lifting and lowering action of the switch blade.

[0004] Regarding the aforementioned technologies, cam drives generate significant impact and noise, limiting further increases in equipment operating speed. The shut-off action is intermittent, single-sided drive, making efficient alternating movements difficult and impacting overall webbing efficiency. Therefore, webbing exhibits low working efficiency. Summary of the Invention

[0005] To improve the working efficiency of webbing, this application provides a high-speed transmission device for the flat-head zipper webbing mechanism knife.

[0006] The high-speed transmission device for a flat-head zipper webbing mechanism knife provided in this application adopts the following technical solution: A high-speed transmission device for a flat-head zipper webbing mechanism includes a transmission assembly fixing plate. A transmission base plate is bolted to the transmission assembly fixing plate. Two transmission bearing plates are fixedly mounted on the transmission base plate. Two transmission rods are rotatably mounted between the two transmission bearing plates. The transmission rods are perpendicular to the transmission bearing plates and parallel to each other. One of the transmission rods has a double eccentric wheel set connected to both ends. The double eccentric wheel set consists of two eccentric wheels, which are staggered. Each of the four eccentric wheels in the two double eccentric wheel sets is connected to a knife-removing connecting rod. The other transmission rod has a single eccentric wheel connected to both ends. The single eccentric wheel is eccentrically connected to a knife-removing connecting rod. A drive assembly for driving the two transmission rods to rotate synchronously is provided between the two transmission bearing plates.

[0007] By adopting the above technical solution, the two transmission rods rotate synchronously under the drive of the drive assembly. One transmission rod drives four knife-connecting rods to alternately rise and fall via a double eccentric wheel set, while the other transmission rod drives two knife-connecting rods to rise and fall synchronously via a single eccentric wheel, forming a coordinated action of multiple sets of knife-connecting rods. Compared with the traditional cam and spring drive method, the eccentric wheel transmission structure is more compact, moves more smoothly, and has less impact. It can maintain the accuracy and consistency of knife-connecting action at high speeds, significantly improving the efficiency of webbing processing.

[0008] Optionally, the eccentric angles of the two eccentric wheels in the double eccentric wheel set differ by 180 degrees.

[0009] By adopting the above technical solution, the eccentric angle difference of 180 degrees can make the two gate connecting rods in the same group form an alternating action of rising and falling, realize the seamless connection of gate pressing and releasing, avoid the action idle stroke, and further improve the continuity and efficiency of webbing.

[0010] Optionally, both ends of the transmission rod are connected to a transmission shaft core, and the double eccentric wheel set is connected to the transmission shaft cores corresponding to both ends of the transmission rod; the single eccentric wheel is rotatably connected to the transmission shaft core corresponding to the transmission rod.

[0011] By adopting the above technical solution, the transmission shaft core provides stable rotational support for the eccentric wheel and the connecting rod of the gate knife, reduces transmission friction, and ensures the action accuracy and structural reliability under high-speed operation.

[0012] Optionally, one end of the knife connecting rod on the double eccentric wheel assembly is rotatably connected to the double eccentric wheel assembly, and the other end is hinged to the knife; one end of the knife connecting rod on the single eccentric wheel is rotatably connected to the single eccentric wheel, and the other end is also hinged to the knife.

[0013] By adopting the above technical solution, the rotational connection and hinge can be combined to smoothly convert the rotational motion of the eccentric wheel into the linear lifting motion of the blade, reducing jamming and impact, and adapting to high-speed operating conditions.

[0014] Optionally, the transmission base plate is provided with several adjustment slots, and the transmission base plate is bolted to the transmission assembly fixing plate through the adjustment slots.

[0015] By adopting the above technical solution, the adjustment groove facilitates the adjustment of the installation position of the transmission base plate, thereby fine-tuning the overall position of the switch transmission mechanism and improving assembly adaptability and action alignment accuracy.

[0016] Optionally, the drive assembly includes a first synchronous pulley and a second synchronous pulley. The first synchronous pulley is sleeved and fixed on a transmission rod connecting the double eccentric pulley set, and the second synchronous pulley is fixedly sleeved on another transmission rod. A synchronous belt is sleeved on the first synchronous pulley and the second synchronous pulley.

[0017] By adopting the above technical solution, the synchronous pulley and the synchronous belt work together to achieve strict synchronous rotation of the two transmission rods, ensuring that the timing of multiple sets of knife-handling actions is consistent, avoiding misalignment interference, and improving operational stability.

[0018] Optionally, the radius of the first synchronous pulley is larger than the radius of the second synchronous pulley.

[0019] By adopting the above technical solution, synchronous pulleys of different radii can realize differential transmission between two transmission rods, match the action rhythm of double eccentric wheel sets and single eccentric connecting rods, optimize the lifting and lowering sequence of the knife, and improve the overall transmission efficiency.

[0020] Optionally, a bearing seat fixing plate is provided above the two transmission bearing plates, and the opposite ends of the bearing seat fixing plate overlap the two transmission bearing plates and are bolted to the transmission bearing plates.

[0021] By adopting the above technical solution, the bearing housing fixing plate reinforces and limits the two transmission bearing plates to prevent shaking or deformation during high-speed operation and ensure the concentricity of the transmission rod rotation.

[0022] Optionally, the two transmission bearing plates are provided with an embedding groove on the side opposite to the first synchronous pulley and corresponding to the position of the transmission shaft core. The transmission shaft core is placed in the embedding groove and is rotatably connected to the transmission bearing plate.

[0023] By adopting the above technical solution, the embedded groove provides precise positioning and rotational support for the drive shaft core, simplifies the assembly process, and improves the structural rigidity during high-speed transmission.

[0024] In summary, this application includes at least one of the following beneficial technical effects: 1. The double eccentric wheel set is arranged in an alternating manner and driven by a synchronous wheel to replace the traditional cam spring structure. The closing action is continuous, with less impact and lower noise, which can significantly improve the operating speed of the equipment and improve the efficiency of weaving. 2. The two eccentric wheels in the double eccentric wheel set are staggered at 180 degrees, so that the knife connecting rod rises and falls alternately, avoiding interference from the knife action and improving the continuity and fitting quality of the webbing conveyor. 3. The drive assembly consisting of a synchronous belt and a synchronous pulley has a compact structure and smooth transmission. With the addition of adjustment grooves and embedded grooves, the assembly and debugging difficulty is reduced, and the overall reliability and maintenance convenience of the device are improved. Attached Figure Description

[0025] Figure 1 This is a schematic diagram illustrating the structure above the transmission assembly fixing plate in the embodiments of this application; Figure 2This is a cross-sectional view of the structure at the transmission rod in the embodiment of this application.

[0026] In the diagram, 1. Transmission assembly fixing plate; 2. Transmission base plate; 21. Adjustment groove; 3. Transmission bearing plate; 31. Embedded groove; 4. Transmission rod; 41. Single eccentric wheel; 42. Transmission shaft core; 5. Double eccentric wheel set; 6. Knife connecting rod; 7. Drive assembly; 71. First synchronous pulley; 72. Second synchronous pulley; 8. Synchronous belt; 9. Bearing seat fixing plate. Detailed Implementation

[0027] The following is in conjunction with the appendix Figures 1-2 This application will be described in further detail.

[0028] This application discloses a high-speed transmission device for a flat-head zipper webbing mechanism.

[0029] refer to Figure 1 A high-speed transmission device for a flat-head zipper webbing mechanism includes a transmission group fixing plate 1, a transmission base plate 2 is bolted to the transmission group fixing plate 1, and multiple adjustment slots 21 are provided on the transmission base plate 2. The transmission base plate 2 is bolted to the transmission group fixing plate 1 through the adjustment slots 21, which can realize the fine adjustment of the installation position.

[0030] refer to Figure 1 and Figure 2 Two transmission bearing plates 3 are fixedly mounted on the transmission base plate 2. The two transmission bearing plates 3 are parallel to each other, and two transmission rods 4 are rotatably mounted between them. The transmission rods 4 are perpendicular to the transmission bearing plates 3 and are parallel to each other. One end of one transmission rod 4 is connected to a double eccentric wheel set 5, which consists of two eccentric wheels arranged alternately. Each of the four eccentric wheels in the two double eccentric wheel sets 5 is connected to a knife-handling connecting rod 6. The other end of the transmission rod 4 is connected to a single eccentric wheel 41, which consists of a single eccentric wheel. Each of the two single eccentric wheels 41 is eccentrically connected to a knife-handling connecting rod 6. One end of the knife-handling connecting rod 6, which connects the double eccentric wheel set 5 and the single eccentric wheel 41, is rotatably connected to the eccentric wheel set, and the other end is hinged to the knife, which is used to drive the knife to achieve the lifting and lowering action.

[0031] A drive assembly 7 for driving the two transmission rods 4 to rotate synchronously is provided between the two transmission bearing plates 3. The drive assembly 7 includes a first synchronous pulley 71 and a second synchronous pulley 72. The first synchronous pulley 71 is sleeved and fixed on the transmission rod 4 connected to the double eccentric wheel set 5, and the second synchronous pulley 72 is fixedly sleeved on the other transmission rod 4. A synchronous belt 8 is sleeved on the first synchronous pulley 71 and the second synchronous pulley 72. The radius of the first synchronous pulley 71 is twice the radius of the second synchronous pulley 72 to achieve speed matching and phase adjustment of the two transmission rods 4.

[0032] When the equipment starts, the synchronous belt 8 drives the first synchronous pulley 71 and the second synchronous pulley 72 to rotate synchronously. Since the radius of the first synchronous pulley 71 is twice the radius of the second synchronous pulley 72, the rotation speed of the transmission rod 4 connecting the double eccentric wheel set 5 is half the rotation speed of the other transmission rod 4. The first synchronous pulley 71 drives the double eccentric wheel set 5 to rotate through the transmission rod 4. The two eccentric wheels in the double eccentric wheel set 5, which are staggered at 180 degrees, drive the corresponding gate knife connecting rods 6 respectively, so that the four gate knife connecting rods 6 present an alternating lifting and lowering motion mode, driving the gate knife to alternately press and release the webbing. At the same time, the second synchronous pulley 72 drives the other transmission rod 4 to rotate at twice the speed, and drives the two gate knife connecting rods 6 to rise and fall synchronously through the eccentric structure at both ends, realizing the coordinated cooperation of the two gate knives. The speed matching and phase adjustment of the two transmission rods 4 make the gate knife driven by the double eccentric wheel set 5 and the gate knife driven by the other eccentric wheel coordinated in timing, forming a continuous and stable webbing pressing and releasing cycle.

[0033] refer to Figure 1 and Figure 2 A bearing seat fixing plate 9 is provided above the two transmission bearing plates 3. The opposite ends of the bearing seat fixing plate 9 overlap the two transmission bearing plates 3 and are bolted to them, thereby enhancing the overall rigidity of the transmission mechanism. In high-speed operation, the bearing seat fixing plate 9 connects the two transmission bearing plates 3 into one unit, effectively suppressing the vibration and deformation of the transmission mechanism, ensuring the relative position accuracy of each transmission component, and improving the stability of the shut-off knife action.

[0034] refer to Figure 1 and Figure 2 Two transmission bearing plates 3 are provided with an embedding groove 31 on the side opposite to the first synchronous pulley 71 and corresponding to the position of the transmission shaft core 42. The transmission shaft core 42 is placed in the embedding groove 31 and is rotatably connected to the transmission bearing plate 3, which facilitates disassembly and maintenance. When maintenance or replacement of parts is required, the operator can directly remove or install the transmission shaft core 42 from the embedding groove 31 without disassembling the entire transmission structure, which greatly improves the convenience of maintenance.

[0035] The implementation principle of the high-speed transmission device for the flat-head zipper webbing mechanism in this embodiment is as follows: When the equipment is running, the power input drives one of the transmission rods 4 to rotate, which in turn drives the other transmission rod 4 to rotate synchronously and differentially via the first synchronous pulley 71, the synchronous belt 8, and the second synchronous pulley 72. The double eccentric wheel set 5 rotates with the transmission rod 4, and because the eccentric angles differ by 180 degrees, it drives the corresponding knife connecting rod 6 to alternately rise and fall; the other transmission rod 4 drives the auxiliary knife connecting rod 6 to move synchronously, and multiple sets of knives form a continuous and efficient pressing and releasing coordination. Compared with the traditional cam spring structure, the impact of the action is small, the noise is low, and the running speed is faster, thereby greatly improving the working efficiency and product quality of the webbing.

[0036] The embodiments described in this specific implementation are preferred embodiments of this application and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A high-speed transmission device for a flat-head zipper webbing cutter, characterized in that: The system includes a transmission assembly fixing plate (1), a transmission base plate (2) is bolted to the transmission assembly fixing plate (1), two transmission bearing plates (3) are fixedly installed on the transmission base plate (2), and two transmission rods (4) are rotatably arranged between the two transmission bearing plates (3). The transmission rods (4) are perpendicular to the transmission bearing plates (3) and the two transmission rods (4) are parallel to each other. One of the transmission rods (4) is connected to a double eccentric wheel set (5) at both ends. The double eccentric wheel set (5) consists of two eccentric wheels, which are staggered. Each of the four eccentric wheels of the two double eccentric wheel sets (5) is connected to a knife connecting rod (6). The other transmission rod (4) is connected to a single eccentric wheel (41) at both ends. The single eccentric wheel (41) is eccentrically connected to the knife connecting rod (6). A drive assembly (7) for driving the two transmission rods (4) to rotate synchronously is provided between the two transmission bearing plates (3).

2. The high-speed transmission device for the flat-head zipper webbing mechanism knife according to claim 1, characterized in that: The two eccentric wheels in the double eccentric wheel set (5) have an eccentric angle difference of 180 degrees.

3. The high-speed transmission device for the flat-head zipper webbing mechanism knife according to claim 1, characterized in that: Both ends of the transmission rod (4) are connected to transmission shaft cores (42), and the double eccentric wheel set (5) is connected to the transmission shaft cores (42) at the corresponding ends of the transmission rod (4); the single eccentric wheel (41) is rotatably connected to the transmission shaft core (42) corresponding to the transmission rod (4).

4. The high-speed transmission device for the flat-head zipper webbing mechanism knife according to claim 1, characterized in that: One end of the knife connecting rod (6) on the double eccentric wheel assembly (5) is rotatably connected to the double eccentric wheel assembly (5), and the other end is hinged to the knife; one end of the knife connecting rod (6) on the single eccentric wheel (41) rotates with the single eccentric wheel (41), and the other end is also hinged to the knife.

5. The high-speed transmission device for the flat-head zipper webbing mechanism knife according to claim 1, characterized in that: The transmission base plate (2) is provided with several adjustment slots (21), and the transmission base plate (2) is bolted to the transmission assembly fixing plate (1) through the adjustment slots (21).

6. The high-speed transmission device for the flat-head zipper webbing mechanism knife according to claim 1, characterized in that: The drive assembly (7) includes a first synchronous pulley (71) and a second synchronous pulley (72). The first synchronous pulley (71) is sleeved and fixed on the transmission rod (4) that connects to the double eccentric wheel set (5). The second synchronous pulley (72) is fixedly sleeved on another transmission rod (4). A synchronous belt (8) is sleeved on the first synchronous pulley (71) and the second synchronous pulley (72).

7. The high-speed transmission device for the flat-head zipper webbing mechanism knife according to claim 6, characterized in that: The radius of the first synchronous pulley (71) is greater than the radius of the second synchronous pulley (72).

8. The high-speed transmission device for the flat-head zipper webbing mechanism knife according to claim 1, characterized in that: A bearing seat fixing plate (9) is provided above the two transmission bearing plates (3). The two ends of the bearing seat fixing plate (9) overlap the two transmission bearing plates (3) respectively and are bolted to the transmission bearing plates (3).

9. The high-speed transmission device for the flat-head zipper webbing mechanism knife according to claim 6, characterized in that: The two transmission bearing plates (3) are provided with an embedding groove (31) on the side opposite to the first synchronous pulley (71) and corresponding to the position of the transmission shaft core (42). The transmission shaft core (42) is placed in the embedding groove (31) and is rotatably connected to the transmission bearing plate (3).

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