A rope-cutting device for a knot-making machine

Abstract

This utility model relates to a knot-making machine, and more particularly to a rope-cutting device for the knot-making machine, solving the automation problem of rope cutting in knot-making machines. It includes a machine base, on which are provided a material guiding mechanism, a material placement rack, a material conveying mechanism, and a rope-cutting mechanism for cutting and transferring materials. The rope-cutting mechanism includes a support, a transverse guide rail, a slide, and a pneumatic clamp. The transverse guide rail is fixedly mounted on the machine base via the support. The slide and the transverse guide rail, and the pneumatic clamp and the slide, are in a limited sliding fit, with the movement directions of the pneumatic clamp and the slide perpendicular. A linkage lifting mechanism is also provided between the pneumatic clamp and the slide. The lifting mechanism includes a lifting motor, a crank, and a connecting rod. The lifting motor is fixedly mounted on the slide, and the output shaft of the lifting motor is fixedly assembled to one end of the crank. The design is simple and reliable, with a high level of automation. Through pneumatic clamping and transfer and cutting with a blade, the rope cutting is stable and efficient, meeting the user's production needs and possessing practicality and economy.

Description

Technical Field

[0001] This utility model relates to a knotting machine, and more particularly to a rope cutting device for the knotting machine. Background Technology

[0002] A button-attaching machine is a device used for attaching various metal buttons, decorative buttons, T-buttons, and eyelets.

[0003] Button-attaching machines (also known as snap-on machines, button-pressing machines, or button-installing machines) are simple in structure, have a single action, are easy to operate, and are inexpensive. Larger button-attaching machines require rope cutting and auxiliary material processing; traditionally, they are semi-automatic, requiring manual assistance. Due to the large volume of demand, actual production still struggles to meet the needs. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a rope-cutting device for a knotting machine.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is: a rope cutting device for a knotting machine, comprising a machine base, wherein the machine base is equipped with a material guiding mechanism for guiding materials, a material holding rack for placing materials, a material conveying mechanism for discharging materials, and a rope cutting mechanism for cutting and transferring materials. The rope cutting mechanism includes a bracket, a transverse guide rail, a slide block, and a pneumatic clamp. The transverse guide rail is fixedly mounted on the machine base via the bracket. The slide block and the transverse guide rail are in a limited sliding fit, and the pneumatic clamp and the slide block are in a limited sliding fit. The moving directions of the pneumatic clamp and the slide block are perpendicular. A lifting mechanism is also provided between the air clamp and the slide. The lifting mechanism includes a lifting motor, a crank, and a connecting rod. The lifting motor is fixedly mounted on the slide. The output shaft of the lifting motor is fixedly assembled to one end of the crank, and the other end of the crank is hinged to the connecting rod. The connecting rod is hinged to the air clamp. The slide is provided with a slide rail for the air clamp to slide. The crank is driven by the lifting motor to rotate circumferentially at the relative connection point. The crank drives the connecting rod to pull the air clamp to move back and forth along the slide rail. The air clamp is also provided with a cutting tool and a chuck.

[0006] The slide consists of a vertical plate, a rib plate, and a base plate. The vertical plate is perpendicular to the base plate, and the rib plate has a right-angled triangular structure. The two ends of the rib plate are fixedly connected to the vertical plate and the base plate, respectively.

[0007] The rib has a through-hole groove in the middle, and the through-hole groove has a triangular structure.

[0008] The material guiding mechanism includes a guide roller, a clamping roller, and a driven roller arranged sequentially along the same horizontal line.

[0009] The clamping roller includes a roller shaft, an inner clamping cover, an outer clamping cover, and a spring. The inner clamping cover, the outer clamping cover, and the spring are sequentially sleeved on the roller shaft. The roller shaft is provided with a fixedly connected nut at its end. The two ends of the spring elastically abut against the outer clamping cover and the nut, respectively.

[0010] The discharge mechanism includes a conveyor belt, a drive wheel, a discharge motor, and baffles, with the baffles located on both sides of the conveyor belt.

[0011] The conveyor belt is equipped with a strapping mechanism at its end.

[0012] The beneficial effects of this utility model are as follows: The rope cutting device of the knotting machine provided by this utility model is simple and reliable in design, with a high level of automation. Through air clamping and transfer and cutting by blade, the rope cutting is stable and efficient, meeting the needs of users' production and use, and is practical and economical. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall front structure of this utility model;

[0014] Figure 2 This is a top view of a partial structure of the present invention;

[0015] Figure 3 This is a schematic diagram of the rope-cutting mechanism of this utility model;

[0016] Figure 4 This is a schematic diagram of the material guiding mechanism of this utility model. Detailed Implementation

[0017] like Figures 1-4 As shown, a rope-cutting device for a knotting machine includes a machine base 1. The machine base 1 is equipped with a material guiding mechanism 2, a material holding rack 3, a material discharging mechanism 4, and a rope-cutting mechanism 5 for cutting and transferring materials. The material guiding mechanism 2 introduces the material, which stops at the holding rack 3. The material is then transferred and cut by the rope-cutting mechanism 5, and finally, when a certain amount is accumulated, it is conveyed by the discharging mechanism 4. It should be noted that the rope-cutting mechanism 5 can be either shearing or cutting, depending on the actual needs, which involves changes in the cutting tool 15. Regardless of whether it is shearing or cutting, the corresponding cutting tool 15 is a mature technology, and will not be elaborated or limited further here.

[0018] The rope-cutting mechanism 5 includes a bracket 6, a transverse guide rail 7, a slide 8, and a pneumatic clamp 9. The transverse guide rail 7 is fixedly mounted on the machine base 1 via the bracket 6. The slide 8 and the transverse guide rail 7 are in a limited sliding fit, and the pneumatic clamp 9 and the slide 8 are in a limited sliding fit. The movement directions of the pneumatic clamp 9 and the slide 8 are perpendicular. A linkage lifting mechanism 10 is also provided between the pneumatic clamp 9 and the slide 8. The pneumatic clamp 9 has degrees of freedom for lateral and longitudinal movement. The lifting mechanism 10 is designed to improve the driving force in the longitudinal direction. The transverse guide rail 7 can be pneumatic or electric, or it can be a tracked or cylinder-type structure. All of these are mature technologies, and no excessive restrictions are imposed.

[0019] The lifting mechanism 10 includes a lifting motor 11, a crank 12, and a connecting rod 13. The lifting motor 11 is fixedly mounted on a slide block 8. The output shaft of the lifting motor 11 is fixedly assembled to one end of the crank 12, and the other end of the crank 12 is hinged to the connecting rod 13. The connecting rod 13 is hinged to the air clamp seat 9. The slide block 8 is provided with a slide rail 14 for the air clamp seat 9 to slide. The crank 12 is driven by the lifting motor 11 to rotate circumferentially at its connection point. The crank 12 drives the connecting rod 13 to pull the air clamp seat 9 to reciprocate along the slide rail 14. The air clamp seat 9 is also provided with a cutter 15 and a chuck 16. In this embodiment, the crank 12 is driven to rotate by the motor, and then the end of the crank 12 drives the connecting rod 13 to swing synchronously. The movement trajectory of the connecting rod 13 is similar to an ellipse. At the same time, the air clamp seat 9 is restricted by the displacement of the slide rail 14 and is driven by the connecting rod 13 to reciprocate in a relatively longitudinal direction.

[0020] The slide block 8 consists of a vertical plate 17, ribs 18, and a base plate 19. The vertical plate 17 is perpendicular to the base plate 19. The ribs 18 have a right-angled triangular structure, and both ends of the ribs 18 are fixedly connected to the vertical plate 17 and the base plate 19, respectively. The slide block 8 structure cleverly utilizes the force characteristics of a triangle to improve structural stability and ensure its own structural reliability and sturdiness. At the same time, it reduces weight, avoids excessive load on the transverse guide rail 7, and also ensures smooth use. The ribs 18 have a through-hole groove in the middle, and the through-hole groove has a triangular structure. In this embodiment, two symmetrical ribs 18 are designed to further improve structural sturdiness and also avoid excessive thickness of a single rib 18.

[0021] The material guiding mechanism 2 includes a guide roller 20, a clamping roller 21, and a driven roller 22 arranged sequentially along the same horizontal line. The clamping roller 21 includes a roller shaft, an inner clamping cover, an outer clamping cover 23, and a spring 24. The inner clamping cover, outer clamping cover 23, and spring 24 are sequentially sleeved on the roller shaft. A nut is fixedly connected to the end of the roller shaft, and the two ends of the spring 24 elastically abut against the outer clamping cover 23 and the nut, respectively. The guide roller 20 is introduced and adjusted to a reference orientation, and then clamped and positioned relative to the material by the clamping roller 21, ensuring that the material being processed subsequently is relatively tensioned during cutting or trimming. The spring 24 maintains elastic clamping, avoiding structural design complexity and meeting design and usage requirements.

[0022] The discharge mechanism 4 includes a conveyor belt 25, a drive wheel, a discharge motor, and baffles 26, with the baffles 26 located on both sides of the conveyor belt 25. The belt conveyor, in conjunction with the baffles 26, restricts material from falling out. A bundling mechanism is provided at the end of the conveyor belt 25. In this embodiment, the bundling mechanism allows for the packaging of materials for storage, but it is not limited to this.

[0023] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. At the same time, the basic principles, main features, and advantages of this utility model have been shown and described above, which should be understood by those skilled in the art.

Claims

1. A rope-cutting device for a knot-making machine, characterized in that, The system includes a machine base equipped with a material guiding mechanism, a material placement rack, a material conveying mechanism, and a rope cutting mechanism for cutting and transferring materials. The rope cutting mechanism includes a support, a transverse guide rail, a slide, and a pneumatic clamp. The transverse guide rail is fixedly mounted on the machine base via the support. The slide and the transverse guide rail, and the pneumatic clamp and the slide, are in a limited sliding fit, with the movement directions of the pneumatic clamp and the slide perpendicular. A linkage lifting mechanism is also provided between the pneumatic clamp and the slide. The lifting mechanism includes a lifting motor, a crank, and a connecting rod. The lifting motor is fixedly mounted on the slide. The output shaft of the lifting motor is fixedly assembled to one end of the crank, and the other end of the crank is hinged to the connecting rod. The connecting rod is hinged to the pneumatic clamp. The slide has a slide rail for the pneumatic clamp to slide on. The crank is driven by the lifting motor to rotate circumferentially at the connection point. The crank drives the connecting rod to pull the pneumatic clamp to move reciprocally along the slide rail. The pneumatic clamp also has a cutting tool and a chuck.

2. The rope cutting device of the knot-making machine as described in claim 1, characterized in that, The slide consists of a vertical plate, a rib plate, and a base plate. The vertical plate is perpendicular to the base plate, and the rib plate has a right-angled triangular structure. The two ends of the rib plate are fixedly connected to the vertical plate and the base plate, respectively.

3. The rope cutting device of the knot-making machine as described in claim 2, characterized in that, The rib has a through-hole groove in the middle, and the through-hole groove has a triangular structure.

4. The rope cutting device of the knot-making machine as described in claim 1, characterized in that, The material guiding mechanism includes a guide roller, a clamping roller, and a driven roller arranged sequentially along the same horizontal line.

5. The rope cutting device of the knot-making machine as described in claim 4, characterized in that, The clamping roller includes a roller shaft, an inner clamping cover, an outer clamping cover, and a spring. The inner clamping cover, the outer clamping cover, and the spring are sequentially sleeved on the roller shaft. The roller shaft is provided with a fixedly connected nut at its end. The two ends of the spring elastically abut against the outer clamping cover and the nut, respectively.

6. The rope cutting device of the knot-making machine as described in claim 1, characterized in that, The discharge mechanism includes a conveyor belt, a drive wheel, a discharge motor, and baffles, with the baffles located on both sides of the conveyor belt.

7. The rope cutting device of the knot-making machine as described in claim 6, characterized in that, The conveyor belt is equipped with a strapping mechanism at its end.

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