Cutting bed equipment for knitted fabric processing
By using rotary cutting circular cutter and walking mechanism drive in CNC cutting bed equipment, the hooking problem in knitted fabric cutting is solved, and the safe and stable cutting of cutter and fabric is achieved, avoiding damage, and ensuring the cutting accuracy and stability.
Patent Information
- Application Number
- CN202420349999.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-26
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-02-26
AI Technical Summary
Existing CNC cutting bed equipment is prone to wire hooking when cutting knitted fabrics, resulting in damage to the cutting knife or the fabric.
The rotary cutting circular cutter is used to replace the traditional upper and lower linear motion cutter. Through the 360-degree rotation of the cutter assembly and the driving of the Y-axis and X-axis walking mechanism, the rotating movement of the cutter along the horizontal axis and the vertical axis is realized. Avoid line hooking.
It effectively avoids cutting knife damage and knitted fabric damage, ensures the stability and accuracy of the cutting process, and realizes cutting of various curves or straight lines.
Smart Images

Figure CN222275058U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of numerical control cutting machines, in particular to a cutting machine device for processing knitted fabrics. Background Art
[0002] A CNC cutting machine is a sewing device used to automatically cut fabrics. It is widely used in the clothing manufacturing industry. It uses computer-set data to control the motion trajectory of the cutting knife (i.e., the cutting trajectory) to cut out the required pieces. The cutting machine mainly includes a cutting table, a cutting knife, a knife fixing mechanism, a rotating mechanism, an operating panel, and a vacuum suction device. During the cutting process, the cutting knife moves up and down in a straight line and rotates 360 degrees. The cutting knife is installed in the knife fixing mechanism, which is connected to the rotating mechanism, so that the cutting knife can complete the cutting of various curves or straight lines. For example, the patent document with the announcement number CN110863337A discloses a "cutting knife system for a CNC cutting machine."
[0003] However, for cutting knitted fabrics, the cutting system in which the cutting knife performs vertical linear motion and 360-degree rotational motion is prone to snagging, resulting in damage to the cutting knife or the knitted fabric. Utility Model Content
[0004] The utility model aims to solve the above technical problems and provides a cutting bed device for processing knitted fabrics, which adopts a circular cutting knife for rotary cutting to replace a general cutting knife for up and down linear motion, so as to avoid damage to the cutting knife or knitted fabric caused by hooking the thread.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A cutting bed equipment for processing knitted fabrics, comprising a cutting table, a cutting knife assembly, a Y-axis walking mechanism for the cutting knife, an X-axis walking mechanism for the cutting knife, and a cloth rolling mechanism, wherein the Y-axis walking mechanism for the cutting knife is connected to the cutting knife assembly to drive the cutting knife assembly to translate along the Y-axis, the X-axis walking mechanism for the cutting knife is connected to the Y-axis walking mechanism for the cutting knife to drive the Y-axis walking mechanism for the cutting knife to translate along the X-axis, the Y-axis walking mechanism is arranged above the cutting table and a gap is provided between the cutting table and the cutting table for the knitted fabric to pass through, the cloth rolling mechanism is arranged in front of the cutting table to roll up the knitted fabric, the cutting knife assembly comprises a cutting knife, a cutting knife driving motor, a fabric pressing head, a pressing head lifting cylinder, a cutting knife mounting plate, a cutting knife rotating motor, a cutting knife lifting frame, a cutting knife lifting motor, and a cutting knife sliding seat, and the outer edge of the cutting knife The edge is provided with a circle of cutting blades, the cutter is rotatably connected to the cutter mounting plate through the cutter rotating shaft, the cutter driving motor is fixedly mounted on the cutter mounting plate and is transmission connected to the cutter rotating shaft, the pressure head lifting cylinder is fixedly mounted on the cutter mounting plate and the lower end of the pressure head lifting cylinder piston rod is fixedly connected to the fabric pressure head, the cutter mounting plate is rotatably connected to the cutter lifting frame through the cutter mounting plate rotating shaft, the cutter rotating motor is fixedly mounted on the cutter lifting frame and is transmission connected to the cutter mounting plate rotating shaft, the cutter lifting frame is slidably connected to the cutter sliding seat in the up and down directions, the cutter lifting motor is fixedly mounted on the cutter sliding seat and the upper end of the cutter lifting motor piston rod is fixedly connected to the cutter lifting frame.
[0007] As a preferred technical solution, the cutter assembly also includes a sharpener and a sharpener mounting frame, the sharpener is fixedly mounted on the sharpener mounting frame, the sharpener mounting frame and the cutter mounting plate are slidably connected via a sliding shaft, and the sliding shaft is parallel to the cutter rotation axis.
[0008] As a preferred technical solution, the cutter Y-axis walking mechanism includes a Y-axis guide rail and a Y-axis walking motor, the Y-axis walking motor is transmission-connected to a Y-axis walking synchronous belt, the cutter sliding seat is slidingly connected to the Y-axis guide rail, and the Y-axis walking synchronous belt is fixedly connected to the cutter sliding seat.
[0009] As a preferred technical solution, the cutter X-axis walking mechanism includes an X-axis walking motor, a connecting rod, an X-axis guide rail, and an X-axis guide piece. The X-axis walking motor is transmission-connected to the connecting rod, and the two ends of the Y-axis guide rail are respectively slidably connected to the X-axis guide rail and the X-axis guide piece. The two ends of the connecting rod are respectively fixedly connected with synchronous pulleys, and the synchronous pulleys at both ends of the connecting rod are respectively connected with X-axis walking synchronous belts, and two sets of X-axis walking synchronous belts are respectively fixedly connected to the two ends of the Y-axis guide rail.
[0010] As a preferred technical solution, the X-axis guide rail is arranged below the Y-axis guide rail, the X-axis guide plate is arranged above the Y-axis guide rail, one end of the Y-axis guide rail is fixedly connected with a sliding block through a Y-axis guide rail mounting plate 1, the sliding block is slidably connected to the X-axis guide rail, and the other end of the Y-axis guide rail is rotatably connected with a plurality of upper pulleys and a plurality of lower pulleys through a Y-axis guide rail mounting plate 2, the plurality of upper pulleys are slidably connected above the X-axis guide plate, and the plurality of lower pulleys are slidably connected below the X-axis guide plate.
[0011] After adopting the above technical solution, the utility model has the following advantages:
[0012] The utility model discloses a cutting bed device for processing knitted fabrics, wherein the cutter performs 360-degree rotational motion around the horizontal axis and 360-degree rotational motion around the vertical axis, and is combined with the cutter Y-axis walking mechanism and the cutter X-axis walking mechanism to drive and translate the cutter assembly, so that the cutter can complete the cutting of various curves or straight lines. The utility model discloses a cutting bed device for processing knitted fabrics, wherein the cutter is set as a circular structure with a circle of blades on the outer edge. When cutting knitted fabrics, since the knitted fabrics are cut by the curved blade of the cutter, there will be no thread or hooking, thereby avoiding damage to the cutter. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a structural schematic diagram of a cutting bed equipment for processing knitted fabrics;
[0014] Figure 2 is a structural schematic diagram of a cutter assembly;
[0015] Figure 3 A schematic diagram of the structure of the cutter assembly omitting the front cover and the rear cover;
[0016] Figure 4 It is a schematic diagram of the structure of the cutter Y-axis walking mechanism and the cutter X-axis walking mechanism. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0018] like Figure 1-4 As shown, a cutting bed equipment for knitted fabric processing includes a cutting table 1, a cutting knife assembly, a cutting knife Y-axis walking mechanism, a cutting knife X-axis walking mechanism, and a cloth rolling mechanism.
[0019] The cutter Y-axis walking mechanism is connected to the cutter assembly to drive the cutter assembly to translate along the Y-axis, the cutter X-axis walking mechanism is connected to the cutter Y-axis walking mechanism to drive the cutter Y-axis walking mechanism to translate along the X-axis, and the Y-axis walking mechanism is arranged above the cutting table and a gap is provided between the cutting table and the cutting table for knitted fabrics to pass through.
[0020] The cloth rolling mechanism is arranged in front of the cutting table to roll up the knitted fabric. The cloth rolling mechanism includes a cloth rolling roller 2 and a cloth rolling motor (the cloth rolling motor is not shown). The cloth rolling roller 2 is provided with circular baffles 3 near both ends of the cloth rolling roller for rolling up the fibers at both ends of the knitted fabric.
[0021] The cutter assembly includes a cutter 4, a cutter drive motor 5, a fabric press head 6, a press head lifting cylinder 7, a cutter mounting plate 8, a cutter rotating motor 9, a cutter lifting frame 10, a cutter lifting motor 11, a cutter sliding seat 12, a sharpener 13, a sharpener mounting frame 14, a front cover 15, and a rear cover 16.
[0022] The outer edge of the cutter 4 is provided with a circle of blades. The cutter 4 is rotatably connected to the cutter mounting plate 8 via a cutter rotating shaft, and the cutter drive motor 5 is fixedly mounted on the cutter mounting plate 8 and is in transmission connection with the cutter rotating shaft. Specifically, the cutter rotating shaft is fixedly connected to a synchronous pulley 17 at the rear side of the cutter mounting plate 8, and the output shaft of the cutter drive motor 5 is fixedly connected to a synchronous pulley 2 18, and the synchronous pulley 1 17 and the synchronous pulley 2 18 are connected via a synchronous belt transmission. The diameters of the synchronous pulley 1 17 and the synchronous pulley 2 18 are equal.
[0023] The pressure head lifting cylinder 7 is fixedly mounted on the cutter mounting plate 8 and the lower end of the piston rod of the pressure head lifting cylinder 7 is fixedly connected to the fabric pressure head 6 .
[0024] The cutter mounting plate 8 is rotationally connected to the cutter lifting frame 10 via the cutter mounting plate rotating shaft. The cutter rotary motor 9 is fixedly mounted on the cutter lifting frame 10 and is transmission-connected to the cutter mounting plate rotating shaft. Specifically, the cutter mounting plate rotating shaft is fixedly connected to a synchronous pulley 3 19, and the output shaft of the cutter rotary motor 9 is fixedly connected to a synchronous pulley 4 20, and the synchronous pulley 3 19 and the synchronous pulley 4 20 are connected via a synchronous belt transmission. The diameter of the synchronous pulley 4 20 is larger than the diameter of the synchronous pulley 3 19, which plays a deceleration role.
[0025] The cutter lifting frame 10 is slidably connected to the cutter sliding seat 12 along the up-down direction, the cutter lifting motor 11 is fixedly installed on the cutter sliding seat 12 and the upper end of the piston rod of the cutter lifting motor 11 is fixedly connected to the cutter lifting frame 10 .
[0026] The sharpening knife 13 is fixedly mounted on the sharpening knife mounting frame 14. The sharpening knife mounting frame 14 and the cutter mounting plate 8 are slidably connected via a sliding shaft, and the sliding shaft is parallel to the cutter rotation axis.
[0027] The rear cover 16 is disposed at the rear of the cutter assembly, and the front cover 15 is disposed at the front of the cutter assembly. The top of the front cover 15 and the top of the rear cover 16 are rotatably connected via a hinge.
[0028] The cutter Y-axis walking mechanism includes a Y-axis guide rail 21 and a Y-axis walking motor. The Y-axis walking motor is connected to a Y-axis walking synchronous belt. The cutter sliding seat 12 is slidably connected to the Y-axis guide rail 21. The Y-axis walking synchronous belt is fixedly connected to the cutter sliding seat 12.
[0029] The cutter X-axis walking mechanism includes an X-axis walking motor, a connecting rod 22, an X-axis guide rail 23, and an X-axis guide piece 24. The X-axis walking motor is connected to the connecting rod 22 in a transmission manner, and the two ends of the Y-axis guide rail 21 are respectively slidably connected to the X-axis guide rail 23 and the X-axis guide piece 24, and the two ends of the connecting rod 22 are respectively fixedly connected to synchronous pulleys, and the synchronous pulleys at the two ends of the connecting rod 22 are respectively connected to X-axis walking synchronous belts, and two sets of X-axis walking synchronous belts are respectively fixedly connected to the two ends of the Y-axis guide rail.
[0030] The X-axis guide rail 23 is arranged below the Y-axis guide rail 21, and the X-axis guide piece 24 is arranged above the Y-axis guide rail 21. One end of the Y-axis guide rail 21 is fixedly connected with a sliding block 25 through the Y-axis guide rail mounting plate 1, and the sliding block 25 is slidably connected to the X-axis guide rail 23. The other end of the Y-axis guide rail 21 is rotatably connected with two upper pulleys 26 and two lower pulleys 27 through the Y-axis guide rail mounting plate 2. The two upper pulleys 26 are slidably connected above the X-axis guide piece 23, and the two lower pulleys 27 are slidably connected below the X-axis guide piece 24. This structure allows one end of the Y-axis guide rail 21 connected to the sliding block 25 to be pushed up, so that one end of the Y-axis guide rail 21 connected to the upper pulley 26 and the lower pulley 27 is pressed down due to the lever action, so that the upper pulley 26 and the X-axis guide piece 24 are in good contact.
[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0032] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A cutting bed equipment for processing knitted fabrics, comprising a cutting table, a cutting knife assembly, a cutting knife Y-axis walking mechanism, a cutting knife X-axis walking mechanism, and a cloth rolling mechanism, wherein the cutting knife Y-axis walking mechanism is connected to the cutting knife assembly to drive the cutting knife assembly to translate along the Y-axis, the cutting knife X-axis walking mechanism is connected to the cutting knife Y-axis walking mechanism to drive the cutting knife Y-axis walking mechanism to translate along the X-axis, the Y-axis walking mechanism is arranged above the cutting table and a gap is provided between the cutting table and the cutting table for knitted fabrics to pass through, the cloth rolling mechanism is arranged in front of the cutting table to roll up the knitted fabrics, characterized in that: The cutter assembly comprises a cutter, a cutter drive motor, a fabric pressure head, a pressure head lifting cylinder, a cutter mounting plate, a cutter rotating motor, a cutter lifting frame, a cutter lifting motor, and a cutter sliding seat. The outer edge of the cutter is provided with a circle of blades, and the cutter is rotatably connected to the cutter mounting plate through a cutter rotating shaft. The cutter drive motor is fixedly mounted on the cutter mounting plate and is transmission-connected to the cutter rotating shaft. The pressure head lifting cylinder is fixedly mounted on the cutter mounting plate and the lower end of the pressure head lifting cylinder piston rod is fixedly connected to the fabric pressure head. The cutter mounting plate is rotationally connected to the cutter lifting frame through the cutter mounting plate rotating shaft. The cutter rotating motor is fixedly mounted on the cutter lifting frame and is transmission-connected to the cutter mounting plate rotating shaft. The cutter lifting frame is slidably connected to the cutter sliding seat in the up and down directions. The cutter lifting motor is fixedly mounted on the cutter sliding seat and the upper end of the cutter lifting motor piston rod is fixedly connected to the cutter lifting frame.
2. The cutting machine for knitted fabric processing according to claim 1, characterized in that: The cutter assembly also includes a sharpener and a sharpener mounting frame, the sharpener is fixedly mounted on the sharpener mounting frame, the sharpener mounting frame and the cutter mounting plate are slidably connected via a sliding shaft, and the sliding shaft is parallel to the cutter rotation axis.
3. The cutting machine for knitted fabric processing according to claim 1, characterized in that: The cutter Y-axis walking mechanism includes a Y-axis guide rail and a Y-axis walking motor. The Y-axis walking motor is connected to a Y-axis walking synchronous belt. The cutter sliding seat is slidably connected to the Y-axis guide rail, and the Y-axis walking synchronous belt is fixedly connected to the cutter sliding seat.
4. The cutting machine for knitted fabric processing according to claim 3, characterized in that: The cutter X-axis walking mechanism includes an X-axis walking motor, a connecting rod, an X-axis guide rail, and an X-axis guide piece. The X-axis walking motor is drivingly connected to the connecting rod, and the two ends of the Y-axis guide rail are respectively slidably connected to the X-axis guide rail and the X-axis guide piece. The two ends of the connecting rod are respectively fixedly connected with synchronous pulleys, and the synchronous pulleys at the two ends of the connecting rod are respectively connected with X-axis walking synchronous belts, and two sets of X-axis walking synchronous belts are respectively fixedly connected to the two ends of the Y-axis guide rail.
5. The cutting machine for knitted fabric processing according to claim 4, characterized in that: The X-axis guide rail is arranged below the Y-axis guide rail, the X-axis guide plate is arranged above the Y-axis guide rail, one end of the Y-axis guide rail is fixedly connected with a sliding block through a Y-axis guide rail mounting plate 1, the sliding block is slidably connected to the X-axis guide rail, and the other end of the Y-axis guide rail is rotatably connected with a plurality of upper pulleys and a plurality of lower pulleys through a Y-axis guide rail mounting plate 2, the plurality of upper pulleys are slidably connected above the X-axis guide plate, and the plurality of lower pulleys are slidably connected below the X-axis guide plate.
