Fabric clamping and stepping driving mechanism
Technical Field
The invention relates to the technical field of dyeing machinery, in particular to a fabric clamping and stepping driving mechanism.
Background
Rainbow dyed yarns are usually finished by hand dyeing, the dyeing process is slow, the labor cost is high, and dyed chemicals can cause injury to operators. Along with the development of automatic dyeing and finishing technology, the inventor proposes to automatically realize the rainbow dyeing technology process by utilizing an automatic yarn dyeing device, thereby meeting the social demands on rainbow dyeing or multi-section color yarns. The yarn to be dyed is wound into a ring shape and is sleeved on the supporting rod piece in the dyeing process, and in order to automatically realize the rainbow dyeing process, a mechanism needs to be constructed so that the ring-shaped yarn can do more accurate rotary motion according to a set angle, and meanwhile, the yarn needs to be fixed in the dyeing process. Therefore, in order to meet the process requirements of rainbow dyeing, it is necessary to develop a fabric clamping and stepping driving mechanism.
Disclosure of Invention
In order to solve the above problems, a fabric clamping and stepping driving mechanism is provided, a gear-like meshing structure is constructed, a gear-like yarn hanging tube assembly is driven by a servo motor, and yarns are rotated according to a set angle; the yarn pressing mechanism is matched with the yarn hanging tube assembly to press yarns, and the connecting rod mechanism is driven by the air cylinder to open and close the yarn pressing mechanism.
The invention provides a fabric clamping and stepping driving mechanism which is realized at least by one of the following technical schemes.
A fabric clamping and stepping driving mechanism mainly comprises a yarn pressing tube assembly, a yarn hanging tube assembly, a yarn pressing tube swing arm assembly, a yarn hanging tube transmission assembly and a yarn hanging tube supporting assembly;
the yarn pressing tube assembly comprises a connecting rod, a rotating shaft, a fixed support plate, a connecting arm and a pressing tube; the pressure pipes are distributed circumferentially at equal angles, and two ends of the pressure pipes are fixed by clamping plates; the pressing pipe is fixedly connected with the rotating shaft through a connecting arm; the rotating shaft is parallel to the pressing pipe and a space is reserved between the rotating shaft and the pressing pipe; a connecting rod is fixed on the rotating shaft; the space angle formed by the connecting rod and the connecting arm is 60-120 degrees; two ends of the rotating shaft are respectively arranged on two fixed support plates through bearings, and the other ends of the fixed support plates are fixedly arranged on the cylinder body of the yarn dyeing machine; the end of the drive link enables the crimp tube to rotate about the rotational axis.
The yarn pressing tube swing arm assembly comprises a cylinder, a swing rod bearing, a swing rod, a connecting arm, a supporting arm and a cylinder support; the cylinder is fixedly arranged on a cylinder support, and the cylinder support is fixed on a cylinder body of the yarn dyeing machine; the swing rod bearing is also fixed on the cylinder body of the yarn dyeing machine; the cylinder drives the swing rod to swing, one end of the connecting rod is connected with the swing rod, the other end of the connecting rod is connected with the supporting arm, and the supporting arm is arranged on the cylinder body of the yarn dyeing machine through a bearing, so that the reciprocating motion of the cylinder can drive the connecting rod to swing; the connecting arms are connected with the connecting rods of the yarn pressing tube assembly and used for driving the yarn pressing tube assembly to move;
the yarn hanging pipe assembly comprises a yarn hanging pipe, a power input shaft and a support bearing; the yarn hanging tubes are distributed circumferentially at equal angles, and two ends of the yarn hanging tubes are fixed by clamping plates; one end of the yarn hanging tube is connected with the power input shaft, and the other end of the yarn hanging tube is connected with the support bearing; the support bearing is supported by the yarn hanging tube support assembly;
the yarn hanging tube transmission assembly comprises a rotating shaft, a worm wheel, a speed changer, a motor, a worm wheel bearing and a flange plate; the motor outputs rotary motion and is connected with the speed changer; the speed changer is connected with the rotating shaft; the rotating shaft is coaxially and fixedly provided with worm screws, and the number of the worm screws is equal to that of the yarn hanging tube assemblies; the worm is meshed with the worm wheel, and the rotary motion of the rotating shaft is transmitted to the flange plate; the flange plate is connected with a power input shaft of the yarn hanging tube assembly; the worm wheel is supported by a worm wheel bearing which is fixedly arranged on the cylinder body of the yarn dyeing machine; the rotating shaft and the speed changer are supported by the support;
the central controller sends an instruction to drive the motor to enable the rotating shaft to rotate by a set angle, the movement finally drives the yarn hanging pipe assembly to rotate by a corresponding angle according to the instruction, and the yarn to be dyed hung on the yarn hanging pipe assembly also rotates by a corresponding angle under the drive of the rotation movement; the central controller sends an instruction to drive the air cylinder to generate set displacement, and the displacement finally drives the connecting rod to swing, so that the connecting arm drives the yarn pressing tube assembly to press or separate from the yarn hanging tube assembly.
Further, the yarn hanging tube supporting component and the supporting bearing of the yarn hanging tube component can be separated according to the requirement, the separation action can be realized manually or driven by a motor, and after separation, the yarn is conveniently loaded on the yarn hanging tube.
Further, the number of yarn hanging tubes of the yarn hanging tube assembly is odd in number with the number of pressing tubes of the yarn pressing tube assembly.
Further, the yarn pressing tube assembly is provided with 4-8 yarn pressing tubes.
Further, the yarn hanging pipe assembly comprises 3-7 yarn hanging pipes.
Compared with the prior art, the invention has the following advantages:
the invention discloses a fabric clamping and stepping driving mechanism, which skillfully utilizes the motion form of a gear meshing mechanism, and constructs a gear-like meshing structure by a rod piece, wherein the gear-like meshing structure comprises a yarn hanging tube assembly and a yarn pressing tube assembly, and the yarn hanging tube assembly and the yarn pressing tube assembly can be meshed or separated through the driving mechanism. The yarn hanging tube assembly is driven by a servo motor, and the yarn can rotate according to a set angle through the central controller; the yarn pressing tube assembly drives the connecting rod mechanism through the air cylinder to realize meshing or separating movement between the yarn pressing tube assembly and the yarn hanging tube assembly. The invention can realize the rotary motion of the annular yarn fabric, and can realize the motion according to the set angle through the central controller, thereby meeting the technical process requirements of the yarn for realizing automatic rainbow dyeing or multi-section dyeing.
Drawings
Fig. 1 is a structural perspective view of a fabric gripping and stepping drive mechanism in an example.
Fig. 2 is a side view of the structure of a fabric gripping and stepper driving mechanism as shown in fig. 1.
Fig. 3 is a left side view of the structure of one of the fabric gripping and stepping drive mechanisms shown in fig. 2.
Fig. 4 is a right side view of the structure of one of the fabric gripping and stepping drive mechanisms shown in fig. 2.
Fig. 5 is a top plan view of the fabric gripping and stepper driving mechanism of fig. 1.
Figure 6 is a schematic structural view of the yarn pressing tube assembly in the example.
Figure 7 is a schematic structural view of the yarn hanging tube assembly in the example.
Fig. 8 is a schematic structural view of a bobbin swing arm assembly in an example.
Figure 9 is a schematic structural view of a yarn hanging tube drive assembly in an example.
Fig. 10 is a schematic structural view of a fabric gripping and stepping drive mechanism (only one set of yarn pressing and yarn hanging tubes is left) in the example.
Fig. 11 is a schematic structural view of a yarn pressing tube pressing yarn hanging tube assembly.
Fig. 12 is a schematic view of the installation position in the yarn dyeing machine system.
Fig. 13 is a partial interior view of the yarn dyeing machine system of fig. 12.
In the figure: 1-pressing a spool assembly; 2-a yarn hanging tube assembly; 3-a yarn pressing tube swing arm assembly; 4-a yarn hanging tube transmission assembly; 5-a yarn hanging tube supporting component; 11-connecting rod; 12-rotating shaft; 13-fixing the support plate; 14-a connecting arm; 15-pressing a pipe; 21-hanging a yarn tube; 22-a power input shaft; 23-supporting bearings; 31-cylinder; 32-a swing rod bearing; 33-swinging rod; 34-connecting rod; 35-a connecting arm; 36-a support arm; 37-cylinder support; 41-a rotating shaft; 42-worm; 43-worm gear; 44-a transmission; 45-motor; 46-worm bearings; 47-flange plate.
Detailed Description
Specific implementations of the invention will be further described with reference to examples and drawings, but the implementation of the invention is not limited thereto.
As shown in fig. 1 to 5, a fabric clamping and stepping driving mechanism mainly comprises a yarn pressing tube assembly 1, a yarn hanging tube assembly 2, a yarn pressing tube swing arm assembly 3, a yarn hanging tube transmission assembly 4, a yarn hanging tube supporting assembly 5 and other components. Fig. 12 and 13 are schematic views of the installation position of the fabric clamping and stepping driving mechanism in the yarn dyeing machine system.
As shown in fig. 6, the yarn pressing tube assembly 1 is composed of a connecting rod 11, a rotating shaft 12, a fixed support plate 13, a connecting arm 14, a pressing tube 15 and other components; the assembly comprises 4-8 pressing pipes 15 which are circumferentially distributed at equal angles, and clamping plates are arranged at two ends of each pressing pipe to fix all the pressing pipes; the pressing pipe is fixedly connected with the rotating shaft 12 through a connecting arm 14; the rotating shaft 12 is parallel to the pressing pipe 15 and is arranged at a certain distance; the connecting rod 11 is fixed on the rotating shaft 12; the link 11 forms an angle with the connecting arm 14, which is typically in the range of 60 to 120 degrees. Two ends of the rotating shaft 12 are respectively arranged on two fixed support plates 13 through bearings, and the other ends of the fixed support plates 13 are fixedly arranged on the cylinder body of the yarn dyeing machine; the end of the drive link 11 can rotate the crimp tube 15 about the rotation axis 12.
As shown in fig. 8, the yarn pressing tube swing arm assembly 3 is composed of an air cylinder 31, a swing rod bearing 32, a swing rod 33, a connecting rod 34, a connecting arm 35, a supporting arm 36, an air cylinder support 37 and other components; the cylinder 31 is fixedly mounted on a cylinder support 37 which is fixed on the dyeing machine cylinder; the cylinder 31 drives the swing rod 33 to swing, one end of the connecting rod 34 is connected with the swing rod 33, the other end is connected with the supporting arm 36, and the supporting arm is arranged on the cylinder body of the yarn dyeing machine through a bearing, so that the reciprocating motion of the cylinder 31 can drive the connecting rod 34 to swing; the connecting rods 34 are provided with connecting arms 35 with the same number according to the number of the yarn pressing tube assemblies 1, and the connecting arms 35 are connected with the connecting rods 11 of the yarn pressing tube assemblies 1 and used for driving the yarn pressing tube assemblies to move.
As shown in fig. 7, the yarn hanging tube assembly 2 is composed of a yarn hanging tube 21, a power input shaft 22 and a support bearing 23; the assembly generally comprises 3-7 yarn hanging tubes 21, and the yarn hanging tubes are circumferentially distributed at equal angles, and clamping plates are arranged at two ends of each tube to fix all the tubes; one end of the yarn hanging tube 21 is connected with a power input shaft 22, and the other end is connected with a support bearing 23; the support bearing 23 is supported by a yarn hanging tube support assembly 5;
as shown in fig. 9, the yarn hanging tube transmission assembly 4 is composed of a rotating shaft 41, a worm 42, a worm wheel 43, a speed changer 44, a motor 45, a worm wheel bearing 46, a flange 47 and other assemblies; the motor 45 outputs a rotary motion and is connected with the transmission 44; the speed changer is connected with the rotating shaft 41; the rotating shaft 41 is coaxially and fixedly provided with worm screws 42, and the number of the worm screws is equal to that of the yarn hanging tube assemblies 2; the worm 42 is meshed with the worm wheel 43, and the rotary motion of the rotary shaft 42 is transmitted to the flange 47; the flange 47 is connected with the power input shaft 22 of the yarn hanging tube assembly 2; the worm wheel 43 is supported by a worm wheel bearing 46, and the worm wheel bearing 46 is fixedly installed on the cylinder body of the yarn dyeing machine; the shaft 41 and the transmission 44 are supported by a pedestal 48.
The central controller can send an instruction to drive the motor 45 to rotate the rotating shaft 41 by a certain angle, and the movement finally drives the yarn hanging tube assembly 2 to rotate by a certain angle according to the instruction, so that the yarn to be dyed hung on the yarn hanging tube assembly also rotates by a set angle under the drive of the rotating movement. The central controller can send an instruction to drive the air cylinder 31 to perform set displacement, and the displacement finally drives the connecting rod 34 to swing, so that the connecting arm 35 drives the yarn pressing tube assembly 1 to press or separate from the yarn hanging tube assembly 2, as shown in fig. 10 and 11.
Further, the yarn hanging tube supporting component 5 and the supporting bearing 23 of the yarn hanging tube component 2 can be separated according to the requirement, and the separation action can be realized manually or driven by a motor; after the two components are separated, the yarn is conveniently loaded on the yarn hanging tube.
Further, the number of yarn hanging tubes of the yarn hanging tube assembly 2 and the number of pressing tubes of the yarn pressing tube assembly 1 are often different by an odd number.
Variations and modifications to the above would be obvious to persons skilled in the art to which the invention pertains from the foregoing description and teachings. Therefore, the invention is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the invention should be also included in the scope of the claims of the invention.