Chinese knot automatic production equipment

Abstract

The invention discloses Chinese knot automatic production equipment, and particularly relates to the technical field of mechanical equipment.The Chinese knot automatic production equipment comprises a fixing frame, the rear side of the fixing frame is fixedly connected with a fixing seat, three fixing grooves are formed in the front side of the fixing frame, and a limiting groove is formed in the right side of the fixing frame; and the rotating assembly comprises a servo motor fixedly connected into the fixing base, the front end of the servo motor is fixedly connected with a first rotating shaft, and two second rotating shafts are rotationally connected into the fixing frame in a penetrating mode. By carrying a single servo motor driving scheme, synchronous operation of a stretching roller, a straightening roller and a pay-off roller is achieved by means of precise transmission of a chain and a conveying belt, compared with a multi-motor driving system, energy is saved by 30% or above, an electric push rod and a mechanical transmission device are deeply fused, and according to the physical characteristics of wires made of different materials such as silk threads and nylon threads, the production efficiency is improved. The drawing force and the straightening pressure are dynamically adjusted in real time, the machining process is stable and efficient, and therefore the follow-up Chinese knot production efficiency is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of mechanical equipment, and in particular to an automatic Chinese knot production device. Background Art

[0002] As a traditional Chinese handicraft, Chinese knots have profound cultural heritage and unique artistic value. In the past, the production of Chinese knots mainly relied on manual work, using simple tools such as scissors, needles and threads, hooks, etc., and craftsmen used superb skills and rich experience to weave them. Although this manual production method can give Chinese knots delicate craftsmanship and unique charm, it has disadvantages such as low production efficiency, limited output, and difficulty in ensuring product consistency. It cannot meet the needs of large-scale commercial production. With the rapid advancement of science and technology, Chinese knot production equipment has entered the era of automation and intelligence. The continuous development and integration of computer technology, numerical control technology, sensor technology, and artificial intelligence technology have provided strong technical support for the research and development and innovation of automatic production equipment for Chinese knots; Commonly used wire materials for Chinese knots include jade wire, Korean silk, and stranded wire. Different materials have different pre-treatment requirements, and the existing technology does not eliminate the internal stress of the wire before weaving, which makes it easy to twist during the weaving process, which ultimately affects the production efficiency of the Chinese knot. Summary of the invention

[0003] The purpose of the present invention is to provide a kind of Chinese knot automatic production equipment to solve the above-mentioned shortcomings in the technology.

[0004] In order to achieve the above object, the present invention provides the following technical solution: an automatic Chinese knot production device, comprising: a fixing frame, a fixing seat is fixedly connected to the rear side of the fixing frame, three fixing grooves are opened on the front side of the fixing frame, and a limiting groove is opened on the right side of the fixing frame; A rotating assembly, wherein the rotating assembly includes a servo motor fixedly connected to a fixed seat, a front end of the servo motor is fixedly connected to a first rotating shaft, two second rotating shafts are rotatably connected through the fixed frame, a front end of the first rotating shaft is fixedly connected to a first sprocket, and front ends of two second rotating shafts are fixedly connected to second sprockets, a first transmission wheel is fixedly connected outside the first rotating shaft, the first transmission wheel is transmission-connected to another first transmission wheel through an anti-slip conveyor belt, a second transmission wheel is fixedly connected outside the second rotating shaft located on the right side, the second transmission wheel is transmission-connected to another second transmission wheel through an anti-slip conveyor belt, and the first sprocket is transmission-connected to two second sprockets through a chain; Stretching component, the stretching component includes three rotating rods fixedly connected to the front ends of the first rotating shaft and two second rotating shafts. Three swing rods are hinged to the three rotating rods through pin shafts. The tops of the three swing rods are hinged to the same moving block through pin shafts. Fixed blocks are slidably connected in the three fixed grooves. An electric push rod is fixedly connected in the moving groove. The bottom end of the electric push rod is fixedly connected with an adjusting block. A stretching roller is fixedly connected to the front side of the adjusting block; Straightening mechanism, the straightening mechanism includes a third rotating shaft fixedly connected to the second driving wheel located above. The front end of the third rotating shaft is fixedly connected with a first gear. A second gear is externally engaged with the first gear. A fourth rotating shaft is fixedly connected inside the second gear. Straightening rollers are fixedly connected to both the third rotating shaft and the fourth rotating shaft; Installation component, the installation component includes a connecting block fixedly connected to the rear side of the fixed frame. A threaded rod is threadedly connected inside the connecting block. The bottom end of the threaded rod is rotatably connected with a limiting clamping plate. The left side of the limiting clamping plate is slidably connected in the limiting groove.

[0005] Preferably, cams are fixedly connected to both the third rotating shaft and the fourth rotating shaft. The two cams are arranged oppositely. Two T-shaped grooves are opened on the front side of the fixed frame.

[0006] Preferably, T-shaped rods are slidably connected in the two T-shaped grooves. Pressing plates are fixedly connected to the front ends of the two T-shaped rods. Connecting plates are fixedly connected to the two opposite sides of the two T-shaped rods.

[0007] Preferably, the two connecting plates respectively abut against the corresponding cams. A spring is fixedly connected to the bottom end of the connecting plate located at the bottom. The bottom end of the spring is fixedly connected with a support block. The rear end of the support block is fixedly connected to the front side of the fixed frame.

[0008] Preferably, a handle is provided at the top end of the threaded rod. A moving groove is opened in the fixed block. Both the moving block and the adjusting block are slidably connected in the moving groove.

[0009] Preferably, the first rotating shaft is rotatably connected through the fixed frame. A fifth rotating shaft is fixedly connected inside the first driving wheel located above. Both the fourth rotating shaft and the fifth rotating shaft are rotatably connected through the fixed frame. A wire paying-off roller is fixedly clamped at the front end of the fifth rotating shaft.

[0010] In the above technical solution, the technical effects and advantages provided by the present invention: 1. By adopting a single servo motor drive solution and relying on the precise transmission of the chain and conveyor belt, the synchronous operation of the stretching roller, straightening roller, and wire pay-off roller is achieved. Compared with the multi-motor drive system, it can save more than 30% energy. The electric push rod is deeply integrated with the mechanical transmission device, which can dynamically adjust the stretching force and straightening pressure in real time according to the physical properties of different materials such as silk and nylon wires, ensuring a stable and efficient processing process, and thus guaranteeing the production efficiency of the subsequent Chinese knots.

[0011] 2. Through a unique cam-spring linkage mechanism, a periodically changing dynamic pressure can be provided during the wire straightening process, avoiding problems such as surface damage or fracture of the wire caused by traditional rigid extrusion. The precise guiding structure of the T-slot and T-bar, combined with the buffering and shock-absorbing effect of the spring, not only ensures the smooth movement of the pressure plate but also further enhances the straightening effect, thereby controlling the error of the wire straightness. Brief Description of the Drawings

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings.

[0013] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the connection structure between the fixed seat and the servo motor of the present invention; Figure 3 It is a schematic diagram of the connection structure between the spring and the support block of the present invention; Figure 4 It is a schematic diagram of the connection structure between the electric push rod and the adjustment block of the present invention; Figure 5 It is a schematic diagram of the connection structure between the third rotating shaft and the first gear of the present invention; Figure 6 It is a schematic diagram of the connection structure between the T-bar and the pressure plate of the present invention; Figure 7 It is a schematic diagram of the connection structure between the connecting block and the threaded rod of the present invention.

[0014] Description of the Reference Numerals in the Drawings: 1. Fixed frame; 2. Fixed seat; 3. Fixed groove; 4. Limit groove; 5. Servo motor; 6. First rotating shaft; 7. Second rotating shaft; 8. First sprocket; 9. Second sprocket; 10. First driving wheel; 11. Second driving wheel; 12. Rotating rod; 13. Swing rod; 14. Moving block; 15. Fixed block; 16. Electric push rod; 17. Adjusting block; 18. Tension roller; 19. Third rotating shaft; 20. First gear; 21. Second gear; 22. Fourth rotating shaft; 23. Straightening roller; 24. Connecting block; 25. Threaded rod; 26. Limit clamping plate; 27. Cam; 28. T-shaped groove; 29. T-shaped rod; 30. Pressing plate; 31. Connecting plate; 32. Spring; 33. Support block; 34. Moving groove; 35. Fifth rotating shaft; 36. Wire feeding roller. Detailed implementation mode

[0015] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further introduced in detail below in conjunction with the accompanying drawings.

[0016] The present invention provides an automatic production equipment for Chinese knots as shown in Figures 1 to 7 Figure 10, including: a fixed frame 1, a fixed seat 2 is fixedly connected to the rear side of the fixed frame 1, three fixed grooves 3 are opened on the front side of the fixed frame 1, and a limit groove 4 is opened on the right side of the fixed frame 1; A rotating assembly, the rotating assembly includes a servo motor 5 fixedly connected in the fixed seat 2, the front end of the servo motor 5 is fixedly connected with a first rotating shaft 6, two second rotating shafts 7 are rotatably connected through the fixed frame 1, the front end of the first rotating shaft 6 is fixedly connected with a first sprocket 8, the front ends of the two second rotating shafts 7 are fixedly connected with second sprockets 9, a first driving wheel 10 is fixedly connected to the outside of the first rotating shaft 6, the first driving wheel 10 is connected to another first driving wheel 10 through an anti-slip conveyor belt, a second driving wheel 11 is fixedly connected to the outside of the second rotating shaft 7 on the right side, the second driving wheel 11 is connected to another second driving wheel 11 through an anti-slip conveyor belt, and the first sprocket 8 is connected to the two second sprockets 9 through a chain; A multi-layer composite transmission system composed of sprockets, anti-slip conveyor belts and gears is adopted to integrate multiple processes such as wire feeding, stretching and straightening in a limited space, effectively reducing the volume of the equipment, and saving more than 40% of the installation space compared with traditional split equipment.

[0017] Stretching component, the stretching component includes three rotating rods 12 fixedly connected to the front ends of the first rotating shaft 6 and two second rotating shafts 7. Three swinging rods 13 are hinged to the three rotating rods 12 through pin shafts. The tops of the three swinging rods 13 are hinged to the same moving block 14 through pin shafts. Fixed blocks 15 are slidably connected in the three fixed slots 3. An electric push rod 16 is fixedly connected in the moving slot 34. The bottom end of the electric push rod 16 is fixedly connected to an adjusting block 17. A stretching roller 18 is fixedly connected to the front side of the adjusting block 17. By converting rotational motion into linear motion, the periodic stretching of the wire is finally realized; Straightening mechanism, the straightening mechanism includes a third rotating shaft 19 fixedly connected inside the second driving wheel 11 located above. A first gear 20 is fixedly connected to the front end of the third rotating shaft 19. A second gear 21 is externally engaged with the first gear 20. A fourth rotating shaft 22 is fixedly connected inside the second gear 21. Straightening rollers 23 are fixedly connected to both the third rotating shaft 19 and the fourth rotating shaft 22; Installation component, the installation component includes a connecting block 24 fixedly connected to the rear side of the fixed frame 1. A threaded rod 25 is threadedly connected inside the connecting block 24. The bottom end of the threaded rod 25 is rotatably connected to a limit clamping plate 26. The left side of the limit clamping plate 26 is slidably connected in the limit slot 4; Both the third rotating shaft 19 and the fourth rotating shaft 22 are fixedly connected with cams 27. The two cams 27 are arranged oppositely. Two T-shaped slots 28 are opened on the front side of the fixed frame 1. T-shaped rods 29 are slidably connected in the two T-shaped slots 28. Pressure plates 30 are fixedly connected to the front ends of the two T-shaped rods 29. Connecting plates 31 are fixedly connected to the opposite sides of the two T-shaped rods 29.

[0018] The two connecting plates 31 are respectively abutted against the corresponding cams 27. A spring 32 is fixedly connected to the bottom end of the connecting plate 31 located at the bottom. The bottom end of the spring 32 is fixedly connected to a support block 33. The rear end of the support block 33 is fixedly connected to the front side of the fixed frame 1. A handle is provided at the top end of the threaded rod 25. A moving slot 34 is opened in the fixed block 15. Both the moving block 14 and the adjusting block 17 are slidably connected in the moving slot 34.

[0019] The first rotating shaft 6 penetrates and is rotatably connected in the fixed frame 1. A fifth rotating shaft 35 is fixedly connected inside the first driving wheel 10 located above. Both the fourth rotating shaft 22 and the fifth rotating shaft 35 penetrate and are rotatably connected in the fixed frame 1. A wire feeding roller 36 is fixedly clamped at the front end of the fifth rotating shaft 35.

[0020] Select high-precision anti-slip conveyor belts and chains as transmission components, combined with an optimized tension adjustment system, the power transmission error is controlled within ±0.2%, effectively avoiding slipping and ensuring the consistency of processing accuracy. All key rotating shafts are equipped with high-rigidity bearing support structures, combined with wear-resistant materials with low friction coefficients, significantly reducing the resistance loss during transmission. The equipment can operate continuously and stably for more than 8,000 hours, significantly extending its service life.

[0021] Working principle; Rotating assembly: The core of power distribution The servo motor 5 drives the first rotating shaft 6 to rotate, causing the first sprocket 8 to rotate with the first rotating shaft 6, and driving the two second sprockets 9 to rotate synchronously through the chain, and causing the two second rotating shafts 7 to rotate in the same direction as the first rotating shaft 6; Function: Divide a single power source into three outputs to drive the three rotating rods 12 of the stretching assembly. Secondary transmission (conveyor belt): The first transmission wheel 10 rotates with the first rotating shaft 6, drives another first transmission wheel 10 through the anti-slip conveyor belt, and drives the fifth rotating shaft 35 (connected to the wire pay-off reel 36) to unwind. The second transmission wheel 11 on the right second rotating shaft 7 drives another second transmission wheel 11 through the anti-slip conveyor belt, and drives the third rotating shaft 19 (connected to the straightening mechanism); Function: Transmit power in different planes to achieve multi-task synchronization.

[0022] Stretching assembly: Wire tension control Crank-slider mechanism: The three rotating rods 12 make circular motions with the first and second rotating shafts 7, drive the swing rod 13 to swing through the pin shaft, and the moving block 14 hinged at the top of the swing rod 13 makes a linear reciprocating motion in the moving groove 34 of the fixed block 15.

[0023] Tension adjustment: The electric push rod 16 pushes the adjustment block 17 to change the position of the stretching roller 18, thereby adjusting the stretching force of the wire. Adaptive mechanism: When the wire tension changes, the electric push rod 16 can adjust in real time to ensure stable stretching effect.

[0024] Straightening mechanism: Bending correction Roll straightening: The third and fourth rotating shafts 22 rotate in opposite directions through gear meshing, driving the straightening rollers 23 on them to rotate towards each other. When the wire passes between the two rollers, it is subjected to opposite pressures to eliminate bending deformation.

[0025] Dynamic pressure compensation: The cam 27 rotates synchronously with the third and fourth rotating shafts 22, pushing the connecting plate 31 to make the T-shaped rod 29 slide in the T-shaped groove 28, driving the pressure plate 30 to reciprocate up and down. The spring 32 provides a buffering force, causing the pressure plate 30 to apply a periodically changing pressure to the wire, enhancing the straightening effect.

[0026] Advantages: Avoid wire breakage caused by rigid extrusion and are applicable to wires of different hardnesses.

[0027] Installation component: Quick positioning and fixation Thread transmission: Rotate the handle at the top of the threaded rod 25, and drive the limit clamping plate 26 to slide along the limit groove 4 through the thread pair. Effect: Firmly clamp the device at the edge of the workbench to achieve quick installation and disassembly.

[0028] Guiding and stability: The cooperation between the T-shaped groove 28 and the T-shaped rod 29 ensures the precise movement track of the pressure plate 30, preventing uneven straightening caused by deviation. The connecting plate 31 supported by the spring 32 ensures that the cam 27 and the pressure plate 30 are always in contact, transmitting a stable pressure.

[0029] Linkage cooperation mechanism Wire pay-off and stretching synchronization: The fifth rotating shaft 35 drives the wire pay-off reel 36 to unwind, and at the same time the stretching component applies a pulling force to the wire. The matching of their speeds ensures the smooth conveying of the wire.

[0030] Stretching and straightening linkage: The same power source drives the stretching roller 18 and the straightening roller 23 to ensure that their linear speeds are the same, avoiding wire accumulation or breakage during the processing.

[0031] Dynamic pressure balance: When the electric push rod 16 adjusts the stretching force, the change in the wire tension will be feedback to the straightening mechanism, and the cam 27-spring 32 system automatically adjusts the pressure of the pressure plate 30 to maintain the overall processing stability.

[0032] Only some exemplary embodiments of the present invention are described by way of illustration above. Undoubtedly, for those of ordinary skill in the art, without departing from the spirit and scope of the present invention, the described embodiments can be modified in various different ways. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the protection scope of the claims of the present invention.

Claims

1. An automatic production device for Chinese knots, characterized in that, Comprising: A fixing frame (1), a fixing seat (2) is fixedly connected to the rear side of the fixing frame (1), three fixing grooves (3) are opened on the front side of the fixing frame (1), and a limiting groove (4) is opened on the right side of the fixing frame (1); A rotating assembly, the rotating assembly includes a servo motor (5) fixedly connected in the fixing seat (2), a first rotating shaft (6) is fixedly connected to the front end of the servo motor (5), two second rotating shafts (7) are rotatably connected through the fixing frame (1), a first sprocket (8) is fixedly connected to the front end of the first rotating shaft (6), second sprockets (9) are fixedly connected to the front ends of the two second rotating shafts (7), a first transmission wheel (10) is fixedly connected to the outside of the first rotating shaft (6), the first transmission wheel (10) is in transmission connection with another first transmission wheel (10) through a non-slip conveyor belt, a second transmission wheel (11) is fixedly connected to the outside of the second rotating shaft (7) on the right side, the second transmission wheel (11) is in transmission connection with another second transmission wheel (11) through a non-slip conveyor belt, and the first sprocket (8) is in transmission connection with the two second sprockets (9) through a chain; A stretching assembly, the stretching assembly includes three rotating rods (12) fixedly connected to the front ends of the first rotating shaft (6) and the two second rotating shafts (7), three swing rods (13) are hinged to the three rotating rods (12) through pin shafts, a moving block (14) is hinged to the tops of the three swing rods (13) through pin shafts, fixing blocks (15) are slidably connected in the three fixing grooves (3), an electric push rod (16) is fixedly connected in the moving groove (34), a adjusting block (17) is fixedly connected to the bottom end of the electric push rod (16), and a stretching roller (18) is fixedly connected to the front side of the adjusting block (17); A straightening mechanism, the straightening mechanism includes a third rotating shaft (19) fixedly connected in the second transmission wheel (11) located above, a first gear (20) is fixedly connected to the front end of the third rotating shaft (19), a second gear (21) is externally engaged with the first gear (20), a fourth rotating shaft (22) is fixedly connected in the second gear (21), and straightening rollers (23) are fixedly connected to the outside of the third rotating shaft (19) and the fourth rotating shaft (22); An installation assembly, the installation assembly includes a connecting block (24) fixedly connected to the rear side of the fixing frame (1), a threaded rod (25) is threadedly connected in the connecting block (24), a limiting clamping plate (26) is rotatably connected to the bottom end of the threaded rod (25), and the left side of the limiting clamping plate (26) is slidably connected in the limiting groove (4).

2. The automatic production equipment for Chinese knots according to claim 1, characterized in that: Cam (27) is fixedly connected to the outside of the third rotating shaft (19) and the fourth rotating shaft (22), the two cams (27) are arranged oppositely, and two T-shaped grooves (28) are opened on the front side of the fixing frame (1).

3. The automatic production equipment for Chinese knots according to claim 2, wherein: T-shaped rods (29) are slidably connected in the two T-shaped grooves (28), pressing plates (30) are fixedly connected to the front ends of the two T-shaped rods (29), and connecting plates (31) are fixedly connected to the two sides of the two T-shaped rods (29) away from each other.

4. The automatic production equipment for Chinese knots according to claim 3, characterized in that: The two connecting plates (31) are respectively abutted against the corresponding cams (27). A spring (32) is fixedly connected to the bottom end of the bottom connecting plate (31). The bottom end of the spring (32) is fixedly connected to a support block (33). The rear end of the support block (33) is fixedly connected to the front side of the fixing frame (1).

5. The automatic production equipment for Chinese knots according to claim 1, characterized in that: A handle is provided at the top of the threaded rod (25). A moving groove (34) is formed in the fixing block (15). The moving block (14) and the adjusting block (17) are both slidably connected in the moving groove (34).

6. The automatic production equipment for Chinese knots according to claim 1, characterized in that: The first rotating shaft (6) is rotatably connected through the fixing frame (1). A fifth rotating shaft (35) is fixedly connected inside the upper first transmission wheel (10). The fourth rotating shaft (22) and the fifth rotating shaft (35) are both rotatably connected through the fixing frame (1). The front end of the fifth rotating shaft (35) is fixedly clamped with a wire paying-off roller (36).

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