A multifunctional small fully automatic sample weaving machine

Abstract

The present invention designs a multifunctional small-sized fully automatic sample weaving machine, which includes a three-axis independent warp feeding mechanism, a cloth tension detection system, a mouth opening system, a weft beating mechanism, a weft insertion mechanism, a weft selection mechanism, a weft cutting mechanism, a pile cutting mechanism, an independent cloth rolling mechanism, and a digital control system with a computer display as an operation interface. The multifunctional sample weaving machine is characterized in that it can weave spacer fabrics, towel fabrics and cut pile fabrics.

Description

Technical Field

[0001] The invention relates to a textile machine, in particular to a multifunctional small-sized fully automatic sample weaving machine which can manufacture spacer fabrics, cut pile fabrics and towel fabrics. Background Art

[0002] Traditional small sample looms can only weave fabrics with a single shed. However, with the development of the times, this traditional small sample loom can no longer meet the needs of universities and scientific research institutions. However, due to the limitations of funds and laboratory space, it is not suitable to purchase multiple devices to meet the needs. Therefore, there is an urgent need for a multifunctional loom to weave multiple fabrics on one machine, thereby saving funds and laboratory space for universities and scientific research institutions. Summary of the invention

[0003] In view of the characteristics of the prior art, the technical problem to be solved by the present invention is to provide a multifunctional small-sized fully automatic sample weaving machine, including a three-axis independent warp feeding mechanism, a cloth tension detection system, an opening system, a weft beating mechanism, a weft insertion mechanism, a weft selection mechanism, a weft cutting mechanism, a pile cutting mechanism, an independent cloth winding mechanism, and a digital control system with a computer display as an operation interface. The three-axis independent warp feeding mechanism includes three independent warp feeding systems, a warp feeding stepping motor in each warp feeding system is installed on a frame, an output shaft of the warp feeding stepping motor is mechanically connected to an input hole of a warp feeding reducer, and an output shaft of the warp feeding reducer is mechanically connected to a warp shaft;

[0004] The fabric tension detection mechanism includes three independent units, one end of the S-shaped tension and compression sensor in each independent unit is connected to the wall panel by bolts, the other end of the S-shaped tension and compression sensor is connected to the rear beam bracket by bolts, the rear beam bracket is mechanically connected to the rear beam, and the rear beam bracket is installed on the frame through a bearing seat;

[0005] The described opening system comprises nine groups of upper opening mechanisms, nine groups of lower opening mechanisms and two groups of three-position opening mechanisms. In each group of upper opening mechanisms, the upper opening cylinder is mounted on the opening upper cylinder mounting plate, the wire rope connecting piece is mounted on the extension shaft of the upper opening cylinder, the wire rope connecting piece is connected to the upper opening heald frame through the wire rope via the guide wheel, and the upper opening heald frame is connected to the frame through the return heald spring, in each group of lower opening mechanisms, the lower opening cylinder is mounted on the lower opening cylinder mounting plate, the wire rope connecting piece is mounted on the extension shaft of the lower opening cylinder, the wire rope connecting piece is connected to the lower opening heald frame through the wire rope via the guide wheel, and the lower opening heald frame is connected to the frame through the return heald spring, in each group of three-position opening mechanisms, the lower cylinder is mounted on the lower cylinder mounting plate, the upper cylinder is connected to the lower cylinder through the cylinder connecting sleeve, the wire rope connecting piece is mounted on the extension shaft of the upper cylinder, the wire rope connecting piece is connected to the upper end of the three-position heald frame through the wire rope via the guide wheel, and the lower end of the three-position heald frame is connected to the frame through the return heald spring;

[0006] In the beating mechanism, the beating motor is mounted on the beating motor seat, the beating motor wheel is mounted on the beating motor shaft, the beating pulley is mounted on the beating eccentric wheel shaft, the beating eccentric wheel shaft is connected to the frame through a bearing seat, the beating pulley and the beating motor wheel are connected through a beating synchronous belt, the eccentric wheel shaft is mechanically connected to the eccentric wheel, a bearing is mounted on the outer side of the eccentric wheel, an eccentric wheel bearing seat is mounted on the outer side of the bearing, the eccentric wheel bearing seat is connected to the sley through a joint bearing, the sley is connected to the frame through a bearing seat, and the sley is mechanically connected to the reed;

[0007] In the weft insertion mechanism, two weft insertion cylinders are installed one above and one below on a weft insertion cylinder bracket, and a weft insertion rapier is installed on the output rod of each cylinder;

[0008] In the weft selection mechanism, four upper weft selection cylinders are mounted on the weft selection cylinder support curved plate, and an upper weft selection rod is mounted on each upper weft selection cylinder, and four lower weft selection cylinders are mounted on the weft selection cylinder support curved plate, and a lower weft selection rod is mounted on each lower weft selection cylinder;

[0009] In the weft cutting mechanism, the cylinder body of the weft cutting cylinder is mechanically connected to the weft cutting base, the fixed weft cutting blade is installed on the weft cutting base, the output rod of the weft cutting cylinder is mechanically connected to the weft cutting slider, and the movable weft cutting blade is installed on the weft cutting slider;

[0010] In the pile cutting mechanism, the pile cutting cylinder is mounted on a cutter mounting plate, the cutter plate is mechanically connected to the piston rod of the pile cutting cylinder, the cutter plate is mounted on two linear guide sliders, the two linear guide sliders are mounted on the linear guide, the linear guide is mounted on the cutter mounting plate, and the cutter is mounted on the cutter plate;

[0011] The independent cloth winding mechanism comprises two pairs of independent cloth winding rollers, the upper cloth winding motor is mounted on the frame, the upper cloth winding motor shaft is mechanically connected to the upper reducer input hole, the upper reducer output shaft is mechanically connected to the upper cloth winding active roller, the upper cloth winding driven roller is tightly pressed on the upper cloth winding active roller under the action of the upper spring, the lower cloth winding motor is mounted on the frame, the lower cloth winding motor shaft is mechanically connected to the lower reducer input hole, the lower reducer output shaft is mechanically connected to the lower cloth winding active roller, and the lower cloth winding driven roller is tightly pressed on the lower cloth winding active roller under the action of the lower spring.

[0012] According to the multifunctional small-scale fully automatic weaving machine described in claim 1, it is characterized in that the three-axis independent warp feeding mechanism includes a warp feeding stepper motor, a reducer and a warp beam, and the three sets of warp beams are driven and controlled by independent stepper motors, and the warp feeding amount of each axis can be accurately controlled according to the characteristics of the fabric.

[0013] According to the multifunctional small-scale fully automatic weaving machine described in claim 1, it is characterized in that the fabric tension detection system includes three groups of S-shaped tension and compression sensors, a rear beam bracket and a rear beam, which can independently detect the fabric tension of three warp let-off shafts, and the warp let-off amount of each weaving shaft can be adjusted by comparing the relationship between the warp let-off amount and the fabric tension, thereby stabilizing the fabric tension on each warp let-off shaft.

[0014] According to the multifunctional small-sized fully automatic sample weaving machine described in claim 1, it is characterized in that the three-position opening mechanism includes an upper cylinder, a lower cylinder, a heald frame and a return heald spring, so that the heald frame has three working positions, so that the equipment can weave spacer fabrics.

[0015] According to the multifunctional small-scale fully automatic sample weaving machine described in claim 1, it is characterized in that the pile cutting mechanism includes a cutter mounting plate, a pile cutting cylinder, a cutter plate, a cutter and a linear guide rail group, which can enable the equipment to weave cut pile fabrics, and the device can be completely removed when other fabrics need to be woven.

[0016] According to the multifunctional small-sized fully automatic sample weaving machine described in claim 1, it is characterized in that the multifunctional small-sized fully automatic sample weaving machine can weave towel fabrics. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure (front view) of an embodiment of the multifunctional small-sized fully automatic sample weaving machine of the present invention;

[0018] Figure 2 It is a schematic diagram of the overall structure (axonometric view) of an embodiment of the multifunctional small-sized fully automatic sample weaving machine of the present invention;

[0019] Figure 3 A schematic diagram of a cloth tension detection mechanism of an embodiment of a multifunctional small-sized fully automatic sample weaving machine of the present invention;

[0020] Figure 4 A schematic diagram of a three-position opening mechanism of an embodiment of a multifunctional small-sized fully automatic sample weaving machine of the present invention;

[0021] Figure 5 A schematic diagram of a lower opening mechanism of an embodiment of a multifunctional small-sized fully automatic sample weaving machine of the present invention;

[0022] Figure 6 A schematic diagram of an upper opening mechanism of an embodiment of a multifunctional small-sized fully automatic sample weaving machine of the present invention;

[0023] Figure 7 A schematic diagram of a beating mechanism of a multifunctional small-sized fully automatic sample weaving machine according to an embodiment of the present invention;

[0024] Figure 8A schematic diagram of a weft insertion mechanism of an embodiment of a multifunctional small-sized fully automatic weaving machine of the present invention;

[0025] Fig. 9 A schematic diagram of a weft selection mechanism of an embodiment of a multifunctional small-sized fully automatic sample weaving machine of the present invention;

[0026] Fig.10 A schematic diagram of a weft cutting mechanism of an embodiment of a multifunctional small-sized fully automatic sample weaving machine of the present invention;

[0027] Fig.11 A schematic diagram of a pile cutting mechanism of an embodiment of a multifunctional small-sized fully automatic sample weaving machine of the present invention;

[0028] Fig.12 A schematic diagram of an independent cloth rolling mechanism of an embodiment of the multifunctional small-sized fully automatic sample weaving machine of the present invention; DETAILED DESCRIPTION

[0029] The present invention is described in more detail below in conjunction with specific embodiments and accompanying drawings:

[0030] Embodiment 1

[0031] When weaving cut pile fabrics

[0032] The multifunctional small-sized fully automatic sample weaving machine of the present invention (see Figure 1-12 ), including a three-axis independent warp feeding mechanism 1, a cloth tension detection system 2, an opening system 3, a weft beating mechanism 4, a weft insertion mechanism 4, a weft selection mechanism 6, a weft cutting mechanism 7, a pile cutting mechanism 8, an independent cloth winding mechanism 9, and a digital control system with a computer as a host computer.

[0033] The three-axis independent warp-feeding mechanism includes three independent warp-feeding systems. In each warp-feeding system, a warp-feeding stepper motor 11 is installed on a frame. The output shaft of the warp-feeding stepper motor 11 is mechanically connected to the input hole of the warp-feeding reducer 12, and the output shaft of the warp-feeding reducer 12 is mechanically connected to the warp shaft 13. The three groups of independent warp-feeding mechanisms are driven by independent stepper motors and driven and controlled by three independent warp-feeding stepper motor drivers in a digital control system. In each group, the warp-feeding stepper motor 11 drives the warp shaft 13 via the warp-feeding reducer 12. When weaving cut pile fabrics, three warp shafts need to be used at the same time, and the warp shafts to be used are selected in the upper computer and the warp-feeding amount of each warp shaft is set.

[0034] The cloth tension detection mechanism includes three independent units, in each independent unit, one end of the S-type tension and compression sensor 21 is connected to the wall panel by bolts, and the other end of the S-type tension and compression sensor 21 is connected to the rear beam bracket 23 by bolts, the rear beam bracket 23 is mechanically connected to the rear beam 22, the rear beam bracket 23 is installed on the frame through a bearing seat, and the rear beam support 24 is installed on the bracket; the three S-type tension and compression sensors 21 are all detected independently, and each group of cloth tension detection mechanisms 2 corresponds to a group of independent warp feeding mechanisms 1. When weaving cut pile fabrics, the user presets a cloth tension and warp feeding amount for each warp beam used through the host computer before weaving begins. During the weaving process, the S-type tension and compression sensor 21 will continuously detect the cloth tension of the corresponding warp beam and transmit the data to the digital control system. The digital control system compares the data with the preset cloth tension and controls the warp feeding amount of the warp beam corresponding to the S-type tension and compression sensor 21, thereby maintaining uniform cloth tension throughout the weaving process.

[0035] The opening system includes nine groups of upper opening mechanisms, nine groups of lower opening mechanisms and two groups of three-position opening mechanisms. In each group of upper opening mechanisms, the upper opening cylinder 311 is installed on the opening upper cylinder mounting plate, and the wire rope connector 312 is installed on the extension shaft of the upper opening cylinder 311. The wire rope connector 312 is connected to the upper opening heald frame 314 through the wire rope via the guide wheel. The upper opening heald frame 314 is connected to the frame through the return heald spring 316. All heald frames of the equipment use healds 315 with asymmetric heald eyes up and down. When using the upper opening mechanism, a certain number of required healds 315 are installed on the upper opening heald frame 314, and the installation direction is the long side at the bottom and the short side at the top; in each group of lower opening mechanisms, the lower opening cylinder 321 is installed on the lower opening cylinder mounting plate, and the wire rope connector 312 is installed on the extension shaft of the lower opening cylinder 321. The lower opening heald frame 324 is connected to the lower opening heald frame 324 through a steel wire rope via a guide wheel, and the lower opening heald frame 324 is connected to the frame through a return heald spring 316. When the lower opening mechanism is used, a certain number of healds 315 required are installed on the lower opening heald frame 324, and the installation direction is the method of long side on top and short side on the bottom; in each group of three-position opening mechanism, the lower cylinder 331 is installed on the lower cylinder mounting plate, the upper cylinder 333 is connected to the lower cylinder 331 through a cylinder connecting sleeve 332, the steel wire rope connecting piece 312 is installed on the extending shaft of the upper cylinder 333, the steel wire rope connecting piece 312 is connected to the upper end of the three-position heald frame 336 through a steel wire rope via a guide wheel, and the lower end of the three-position heald frame 336 is connected to the frame through a return heald spring 316. When the three-position opening mechanism is used, a certain number of healds 315 required are installed on the three-position heald frame 336, and the installation direction is the method of long side on top and short side on the bottom. In the opening system, each heald frame is driven by an independent cylinder and controlled by an independent electromagnetic valve.

[0036] In the beating mechanism, the beating motor 42 is mounted on the beating motor seat 41, the beating motor wheel 43 is mounted on the shaft of the beating motor 42, the beating pulley 44 is mounted on the beating eccentric wheel shaft 48, the beating eccentric wheel shaft 48 is connected to the frame through a bearing seat, the beating pulley 44 and the beating motor wheel 43 are connected through a beating synchronous belt, the eccentric wheel shaft 48 is mechanically connected to the eccentric wheel 45, a bearing is mounted on the outer side of the eccentric wheel 45, an eccentric wheel bearing seat 46 is mounted on the outer side of the bearing, and the eccentric wheel bearing The seat 46 is connected to the reed seat 47 through a joint bearing, the reed seat 47 is connected to the frame through a bearing seat, and the reed seat 47 is mechanically connected to the reed 49; the beating motor is an independent servo motor, which is driven and controlled by the beating servo driver in the digital control system. When the equipment is running, the beating motor 42 drives the reed 49 to perform reciprocating beating motion via the beating motor wheel 43, the beating pulley 44, the beating eccentric wheel shaft 48, the eccentric wheel 45, the eccentric wheel bearing seat 46, and the reed seat 47.

[0037] In the weft insertion mechanism, the upper weft insertion cylinder 52 is installed on the weft insertion cylinder bracket 53, an upper weft insertion rapier 55 is installed on the output rod of the upper weft insertion cylinder 52, the lower weft insertion cylinder 51 is installed on the weft insertion cylinder bracket 53, and a lower weft insertion rapier 54 is installed on the output rod of the lower weft insertion cylinder 51. When weaving cut pile fabrics, the upper weft insertion rapier 55 and the lower weft insertion rapier 54 perform weft insertion work simultaneously. The upper weft insertion cylinder 52 and the lower weft insertion cylinder 51 are both independent cylinders, which are driven and controlled by the upper weft insertion solenoid valve and the lower weft insertion solenoid valve in the digital control system.

[0038] In the weft selection mechanism, four upper weft selection cylinders 64 are installed on the weft selection cylinder support bent plate 62, and an upper weft selection rod 65 is installed on each upper weft selection cylinder 64. Four lower weft selection cylinders 63 are installed on the weft selection cylinder support bent plate 65, and a lower weft selection rod 61 is installed on each lower weft selection cylinder 63. When weaving cut pile fabrics, the upper and lower weft selection mechanisms work simultaneously. All the upper weft selection cylinders 64 and lower weft selection cylinders 63 are driven and controlled by independent weft selection solenoid valves.

[0039] In the weft cutting mechanism, the cylinder body of the weft cutting cylinder 71 is mechanically connected to the weft cutting base 72, the weft cutting fixed blade 74 is installed on the weft cutting base 72, the output rod of the weft cutting cylinder 71 is mechanically connected to the weft cutting slider 75, and the weft cutting movable blade 73 is installed on the weft cutting slider 75. The weft cutting cylinder 71 drives the weft cutting movable blade 73 to perform linear reciprocating motion through the weft cutting slider 75, and cooperates with the weft cutting fixed blade 74 fixed on the weft cutting base 72 to complete the weft cutting work. The weft cutting cylinder is an independent cylinder, which is driven and controlled by the weft cutting solenoid valve in the digital control system;

[0040] In the pile cutting mechanism, the pile cutting cylinder 84 is mounted on the cutter mounting plate 86, the cutter plate 85 is mechanically connected to the piston rod of the pile cutting cylinder 84, the cutter plate 85 is mounted on two linear guide sliders 87, the two linear guide sliders 87 are mounted on the linear guide 82, the linear guide 82 is mounted on the cutter mounting plate 86, and the cutter 81 is mounted on the cutter plate 85. The pile cutting cylinder 84 drives the cutter 81 through the cutter plate 85, the linear guide slider 87, and the linear guide 82 to perform the pile cutting work. The pile cutting cylinder 84 is an independent cylinder, which is driven and controlled by the pile cutting solenoid valve in the digital control system;

[0041] The independent cloth winding mechanism comprises two pairs of independent cloth winding rollers, the upper cloth winding motor 91 is mounted on the frame, the shaft of the upper cloth winding motor 91 is mechanically connected to the input hole of the upper reducer 92, the output shaft of the upper reducer 92 is mechanically connected to the upper cloth winding active roller 94, the upper cloth winding driven roller 93 is pressed against the upper cloth winding active roller 94 under the action of the upper spring, the lower cloth winding motor 98 is mounted on the frame, the shaft of the lower cloth winding motor 98 is mechanically connected to the input hole of the lower reducer 97, the output shaft of the lower reducer 97 is connected to the lower cloth winding motor 98, and the lower cloth winding motor 98 is connected to the lower cloth winding motor 98. The active roller 96 is mechanically connected, and the lower layer cloth winding driven roller 95 is pressed tightly on the lower layer cloth winding active roller 96 under the action of the lower layer spring. The upper layer cloth winding motor 91 is driven by the upper layer reducer 92, the upper layer cloth winding active roller 94, and the lower layer cloth winding motor 98 is driven by the lower layer cloth winding active roller 96 via the lower layer reducer 97. The upper layer cloth winding motor 91 and the lower layer cloth winding motor 98 are both independent stepper motors, which are driven and controlled by the upper layer cloth winding stepper motor driver and the lower layer cloth winding stepper motor driver in the digital control system.

[0042] The digital control system of the multifunctional small-sized fully automatic weaving machine of the present invention comprises a computer, a programmable controller, a solenoid valve, a stepper motor driver and a servo driver. The programmable controller transmits data with the frequency converter and the servo driver according to the weaving parameters pre-set in the computer, and drives each motor and the solenoid valve to operate according to the required rotation speed and action. The computer is used to complete the human-computer dialogue function, which is convenient and fast. Various weaving process parameters can be set on the computer: including pattern pattern, weft yarn rule, weaving speed, weft density, weaving type, cloth tension, pile cutting height, etc., and then these process parameters are transmitted to the programmable controller to control the weaving process. At the same time, the programmable controller transmits the real-time status of the detection or calculation to the computer for display.

[0043] Embodiment 2

[0044] When weaving spacer fabrics

[0045] The multifunctional small-sized fully automatic sample weaving machine of the present invention (see Figure 1-12), including a three-axis independent warp feeding mechanism 1, a cloth tension detection system 2, a mouth opening system 3, a weft beating mechanism 4, a weft insertion mechanism 4, a weft selection mechanism 6, a weft cutting mechanism 7, an independent cloth winding mechanism 9, and a digital control system with a computer as the upper computer.

[0046] The three-axis independent warp-feeding mechanism includes three independent warp-feeding systems. In each warp-feeding system, a warp-feeding stepper motor 11 is installed on a frame. The output shaft of the warp-feeding stepper motor 11 is mechanically connected to the input hole of the warp-feeding reducer 12, and the output shaft of the warp-feeding reducer 12 is mechanically connected to the warp shaft 13. The three groups of independent warp-feeding mechanisms are driven by independent stepper motors and driven and controlled by three independent warp-feeding stepper motor drivers in a digital control system. In each group, the warp-feeding stepper motor 11 drives the warp shaft 13 via the warp-feeding reducer 12. When weaving spacer fabrics, three warp shafts need to be used at the same time, and the warp shafts to be used are selected in the host computer and the warp-feeding amount of each warp shaft is set.

[0047] The cloth tension detection mechanism includes three independent units, in each independent unit, one end of the S-type tension and compression sensor 21 is connected to the wall panel by bolts, and the other end of the S-type tension and compression sensor 21 is connected to the rear beam bracket 23 by bolts, the rear beam bracket 23 is mechanically connected to the rear beam 22, the rear beam bracket 23 is installed on the frame through a bearing seat, and the rear beam support 24 is installed on the bracket; the three S-type tension and compression sensors 21 are all detected independently, and each group of cloth tension detection mechanisms 2 corresponds to a group of independent warp feeding mechanisms 1. When weaving spacer fabrics, the user presets a cloth tension and warp feeding amount for each warp beam used through the host computer before weaving begins. During the weaving process, the S-type tension and compression sensor 21 will continuously detect the cloth tension of the corresponding warp beam and transmit the data to the digital control system. The digital control system compares the data with the preset cloth tension and controls the warp feeding amount of the warp beam corresponding to the S-type tension and compression sensor 21, thereby maintaining uniform cloth tension throughout the weaving process.

[0048] The opening system includes nine groups of upper opening mechanisms, nine groups of lower opening mechanisms and two groups of three-position opening mechanisms. In each group of upper opening mechanisms, the upper opening cylinder 311 is installed on the upper opening cylinder mounting plate, and the wire rope connector 312 is installed on the extension shaft of the upper opening cylinder 311. The wire rope connector 312 is connected to the upper opening heald frame 314 through the wire rope via the guide wheel. The upper opening heald frame 314 is connected to the frame through the return heald spring 316. All heald frames of the equipment use healds 315 with asymmetric heald eyes up and down. When using the upper opening mechanism, a certain number of required healds 315 are installed on the upper opening heald frame 314, and the installation direction is the long side at the bottom and the short side at the top; in each group of lower opening mechanisms, the lower opening cylinder 321 is installed on the lower opening cylinder mounting plate, and the wire rope connector 312 is installed on the extension shaft of the lower opening cylinder 321. The lower opening heald frame 324 is connected to the lower opening heald frame 324 through a steel wire rope via a guide wheel, and the lower opening heald frame 324 is connected to the frame through a return heald spring 316. When the lower opening mechanism is used, a certain number of healds 315 required are installed on the lower opening heald frame 324, and the installation direction is the method of long side on top and short side on the bottom; in each group of three-position opening mechanism, the lower cylinder 331 is installed on the lower cylinder mounting plate, the upper cylinder 333 is connected to the lower cylinder 331 through a cylinder connecting sleeve 332, the steel wire rope connecting piece 312 is installed on the extending shaft of the upper cylinder 333, the steel wire rope connecting piece 312 is connected to the upper end of the three-position heald frame 336 through a steel wire rope via a guide wheel, and the lower end of the three-position heald frame 336 is connected to the frame through a return heald spring 316. When the three-position opening mechanism is used, a certain number of healds 315 required are installed on the three-position heald frame 336, and the installation direction is the method of long side on top and short side on the bottom. In the shedding system, each heald frame is driven by an opposing cylinder and controlled by an independent solenoid valve.

[0049] In the beating mechanism, the beating motor 42 is mounted on the beating motor seat 41, the beating motor wheel 43 is mounted on the shaft of the beating motor 42, the beating pulley 44 is mounted on the beating eccentric wheel shaft 48, the beating eccentric wheel shaft 48 is connected to the frame through a bearing seat, the beating pulley 44 and the beating motor wheel 43 are connected through a beating synchronous belt, the eccentric wheel shaft 48 is mechanically connected to the eccentric wheel 45, a bearing is mounted on the outer side of the eccentric wheel 45, an eccentric wheel bearing seat 46 is mounted on the outer side of the bearing, and the eccentric wheel bearing The seat 46 is connected to the reed seat 47 through a joint bearing, the reed seat 47 is connected to the frame through a bearing seat, and the reed seat 47 is mechanically connected to the reed 49; the beating motor is an independent servo motor, which is driven and controlled by the beating servo driver in the digital control system. When the equipment is running, the beating motor 42 drives the reed 49 to perform reciprocating beating motion via the beating motor wheel 43, the beating pulley 44, the beating eccentric wheel shaft 48, the eccentric wheel 45, the eccentric wheel bearing seat 46, and the reed seat 47.

[0050] In the weft insertion mechanism, the upper weft insertion cylinder 52 is installed on the weft insertion cylinder bracket 53, an upper weft insertion rapier 55 is installed on the output rod of the upper weft insertion cylinder 52, the lower weft insertion cylinder 51 is installed on the cylinder bracket 53, and a lower weft insertion rapier 54 is installed on the output rod of the lower weft insertion cylinder 51. When weaving spacer fabrics, the upper weft insertion rapier 55 and the lower weft insertion rapier 54 perform weft insertion work simultaneously. The upper weft insertion cylinder 52 and the lower weft insertion cylinder 51 are both independent cylinders, which are driven and controlled by the upper weft insertion solenoid valve and the lower weft insertion solenoid valve in the digital control system.

[0051] In the weft selection mechanism, four upper weft selection cylinders 64 are installed on the weft selection cylinder support bent plate 62, and an upper weft selection rod 65 is installed on each upper weft selection cylinder 64. Four lower weft selection cylinders 63 are installed on the weft selection cylinder support bent plate 65, and a lower weft selection rod 61 is installed on each lower weft selection cylinder 63. When weaving cut pile fabrics, the upper and lower weft selection mechanisms work simultaneously. All the upper weft selection cylinders 64 and lower weft selection cylinders 63 are driven and controlled by independent weft selection solenoid valves.

[0052] In the weft cutting mechanism, the cylinder body of the weft cutting cylinder 71 is mechanically connected to the weft cutting base 72, the weft cutting fixed blade 74 is installed on the weft cutting base 72, the output rod of the weft cutting cylinder 71 is mechanically connected to the weft cutting slider 75, and the weft cutting movable blade 73 is installed on the weft cutting slider 75. The weft cutting cylinder 71 drives the weft cutting movable blade 73 to perform linear reciprocating motion through the weft cutting slider 75, and cooperates with the weft cutting fixed blade 74 fixed on the weft cutting base 72 to complete the weft cutting work. The weft cutting cylinder is an independent cylinder, which is driven and controlled by the weft cutting solenoid valve in the digital control system;

[0053] The independent cloth winding mechanism comprises two pairs of independent cloth winding rollers, the upper cloth winding motor 91 is mounted on the frame, the shaft of the upper cloth winding motor 91 is mechanically connected to the input hole of the upper reducer 92, the output shaft of the upper reducer 92 is mechanically connected to the upper cloth winding active roller 94, the upper cloth winding driven roller 93 is pressed against the upper cloth winding active roller 94 under the action of the upper spring, the lower cloth winding motor 98 is mounted on the frame, the shaft of the lower cloth winding motor 98 is mechanically connected to the input hole of the lower reducer 97, the output shaft of the lower reducer 97 is connected to the lower cloth winding motor 98, and the lower cloth winding motor 98 is connected to the lower cloth winding motor 98. The active roller 96 is mechanically connected, and the lower layer cloth winding driven roller 95 is pressed tightly on the lower layer cloth winding active roller 96 under the action of the lower layer spring. The upper layer cloth winding motor 91 is driven by the upper layer reducer 92, the upper layer cloth winding active roller 94, and the lower layer cloth winding motor 98 is driven by the lower layer cloth winding active roller 96 via the lower layer reducer 97. The upper layer cloth winding motor 91 and the lower layer cloth winding motor 98 are both independent stepper motors, which are driven and controlled by the upper layer cloth winding stepper motor driver and the lower layer cloth winding stepper motor driver in the digital control system.

[0054] The digital control system of the multifunctional small-sized fully automatic weaving machine of the present invention comprises a computer, a programmable controller, a solenoid valve, a stepper motor driver and a servo driver. The programmable controller transmits data with the frequency converter and the servo driver according to the weaving parameters pre-set in the computer, and drives each motor and the solenoid valve to operate according to the required rotation speed and action. The computer is used to complete the human-computer dialogue function, which is convenient and fast. Various weaving process parameters can be set on the computer: including pattern pattern, weft yarn rule, weaving speed, weft density, weaving type, cloth tension, spacing height, etc., and then these process parameters are transmitted to the programmable controller to control the weaving process. At the same time, the programmable controller transmits the real-time status of the detection or calculation to the computer for display.

[0055] Embodiment 3

[0056] When weaving terry fabrics

[0057] The multifunctional small-sized fully automatic sample weaving machine of the present invention (see Figure 1-12 ), including a three-axis independent warp feeding mechanism 1, a cloth tension detection system 2, a mouth opening system 3, a weft beating mechanism 4, a weft insertion mechanism 4, a weft selection mechanism 6, a weft cutting mechanism 7, an independent cloth winding mechanism 9, and a digital control system with a computer as the upper computer.

[0058] The three-axis independent warp-feeding mechanism includes three independent warp-feeding systems. In each warp-feeding system, a warp-feeding stepper motor 11 is installed on a frame. The output shaft of the warp-feeding stepper motor 11 is mechanically connected to the input hole of the warp-feeding reducer 12, and the output shaft of the warp-feeding reducer 12 is mechanically connected to the warp beam 13. The three groups of independent warp-feeding mechanisms are driven by independent stepper motors and driven and controlled by three independent warp-feeding stepper motor drivers in a digital control system. In each group, the warp-feeding stepper motor 11 drives the warp beam 13 via the warp-feeding reducer 12. When weaving towel fabrics, two warp beams need to be used at the same time, and the warp beams to be used are selected in the host computer and the warp-feeding amount of each warp beam is set.

[0059] The cloth tension detection mechanism includes three independent units, in each independent unit, one end of the S-type tension and compression sensor 21 is connected to the wall panel by bolts, and the other end of the S-type tension and compression sensor 21 is connected to the rear beam bracket 23 by bolts, the rear beam bracket 23 is mechanically connected to the rear beam 22, the rear beam bracket 23 is installed on the frame through a bearing seat, and the rear beam support 24 is installed on the bracket; the three S-type tension and compression sensors 21 are all detected independently, and each group of cloth tension detection mechanisms 2 corresponds to a group of independent warp feeding mechanisms 1. When weaving towel fabrics, the user presets a cloth tension and warp feeding amount for each warp beam used through the host computer before weaving begins. During the weaving process, the S-type tension and compression sensor 21 will continuously detect the cloth tension of the corresponding warp beam and transmit the data to the digital control system. The digital control system compares the data with the preset cloth tension and controls the warp feeding amount of the warp beam corresponding to the S-type tension and compression sensor 21, thereby maintaining uniform cloth tension throughout the weaving process.

[0060] The opening system includes nine groups of upper opening mechanisms, nine groups of lower opening mechanisms and two groups of three-position opening mechanisms. In each group of upper opening mechanisms, the upper opening cylinder 311 is installed on the upper opening cylinder mounting plate, and the wire rope connector 312 is installed on the extension shaft of the upper opening cylinder 311. The wire rope connector 312 is connected to the upper opening heald frame 314 through the wire rope via the guide wheel. The upper opening heald frame 314 is connected to the frame through the return heald spring 316. All heald frames of the equipment use healds 315 with asymmetric heald eyes up and down. When using the upper opening mechanism, a certain number of required healds 315 are installed on the upper opening heald frame 314, and the installation direction is the long side at the bottom and the short side at the top; in each group of lower opening mechanisms, the lower opening cylinder 321 is installed on the lower opening cylinder mounting plate, and the wire rope connector 312 is installed on the extension shaft of the lower opening cylinder 321. The lower opening heald frame 324 is connected to the lower opening heald frame 324 through a steel wire rope via a guide wheel, and the lower opening heald frame 324 is connected to the frame through a return heald spring 316. When the lower opening mechanism is used, a certain number of healds 315 required are installed on the lower opening heald frame 324, and the installation direction is the method of long side on top and short side on the bottom; in each group of three-position opening mechanism, the lower cylinder 331 is installed on the lower cylinder mounting plate, the upper cylinder 333 is connected to the lower cylinder 331 through a cylinder connecting sleeve 332, the steel wire rope connecting piece 312 is installed on the extending shaft of the upper cylinder 333, the steel wire rope connecting piece 312 is connected to the upper end of the three-position heald frame 336 through a steel wire rope via a guide wheel, and the lower end of the three-position heald frame 336 is connected to the frame through a return heald spring 316. When the three-position opening mechanism is used, a certain number of healds 315 required are installed on the three-position heald frame 336, and the installation direction is the method of long side on top and short side on the bottom. In the shedding system, each heald frame is driven by an opposing cylinder and controlled by an independent electromagnetic valve. When weaving towel fabric, only the lower shedding heald frame 324 is used.

[0061] In the beating mechanism, the beating motor 42 is mounted on the beating motor seat 41, the beating motor wheel 43 is mounted on the shaft of the beating motor 42, the beating pulley 44 is mounted on the beating eccentric wheel shaft 48, the beating eccentric wheel shaft 48 is connected to the frame through a bearing seat, the beating pulley 44 and the beating motor wheel 43 are connected through a beating synchronous belt, the eccentric wheel shaft 48 is mechanically connected to the eccentric wheel 45, a bearing is mounted on the outer side of the eccentric wheel 45, an eccentric wheel bearing seat 46 is mounted on the outer side of the bearing, and the eccentric wheel bearing The seat 46 is connected to the reed seat 47 through a joint bearing, the reed seat 47 is connected to the frame through a bearing seat, and the reed seat 47 is mechanically connected to the reed 49; the beating motor is an independent servo motor, which is driven and controlled by the beating servo driver in the digital control system. When the equipment is running, the beating motor 42 drives the reed 49 to perform reciprocating beating motion via the beating motor wheel 43, the beating pulley 44, the beating eccentric wheel shaft 48, the eccentric wheel 45, the eccentric wheel bearing seat 46, and the reed seat 47. The computer transmits the preset pile height to the digital control system, and the digital control system drives and controls the reed to perform alternating long and short beating motions through the beating servo driver.

[0062] In the weft insertion mechanism, the lower weft insertion cylinder 51 is installed on the weft insertion cylinder bracket 53, and a lower weft insertion rapier 54 is installed on the output rod of the lower weft insertion cylinder 51. When weaving towel fabric, the lower weft insertion cylinder 51 is an independent cylinder, which is driven and controlled by the lower weft insertion solenoid valve in the digital control system.

[0063] In the weft selection mechanism, four lower weft selection cylinders 63 are installed on the weft selection cylinder support bent plate 65, and each lower weft selection cylinder 63 is installed with a lower weft selection rod 61. When weaving towel fabrics, all the lower weft selection cylinders 63 are driven and controlled by independent weft selection solenoid valves.

[0064] In the weft cutting mechanism, the cylinder body of the weft cutting cylinder 71 is mechanically connected to the weft cutting base 72, the weft cutting fixed blade 74 is installed on the weft cutting base 72, the output rod of the weft cutting cylinder 71 is mechanically connected to the weft cutting slider 75, and the weft cutting movable blade 73 is installed on the weft cutting slider 75. The weft cutting cylinder 71 drives the weft cutting movable blade 73 to perform linear reciprocating motion through the weft cutting slider 75, and cooperates with the weft cutting fixed blade 74 fixed on the weft cutting base 72 to complete the weft cutting work. The weft cutting cylinder is an independent cylinder, which is driven and controlled by the weft cutting solenoid valve in the digital control system;

[0065] In the independent cloth winding mechanism, the lower cloth winding motor 98 is installed on the frame, the shaft of the lower cloth winding motor 98 is mechanically connected to the input hole of the lower reducer 97, the output shaft of the lower reducer 97 is mechanically connected to the lower cloth winding active roller 96, and the lower cloth winding driven roller 95 is pressed tightly against the lower cloth winding active roller 96 under the action of the lower spring. The lower cloth winding motor 98 is an independent stepper motor, which is driven and controlled by the lower cloth winding stepper motor driver in the digital control system.

[0066] The digital control system of the multifunctional small-sized fully automatic weaving machine of the present invention comprises a computer, a programmable controller, a solenoid valve, a stepper motor driver and a servo driver. The programmable controller transmits data with the frequency converter and the servo driver according to the weaving parameters pre-set in the computer, and drives each motor and the solenoid valve to operate according to the required rotation speed and action. The computer is used to complete the human-computer dialogue function, which is convenient and fast. Various weaving process parameters can be set on the computer: including pattern pattern, weft yarn rule, weaving speed, weft density, weaving type, cloth tension, pile height, etc., and then these process parameters are transmitted to the programmable controller to control the weaving process. At the same time, the programmable controller transmits the real-time status of the detection or calculation to the computer for display.

Claims

1. A multifunctional small-sized fully automatic sample weaving machine, comprising a three-axis independent warp let-off mechanism, a cloth tension detection system, an opening system, a weft beating mechanism, a weft insertion mechanism, a weft selection mechanism, a weft cutting mechanism, a pile cutting mechanism, an independent cloth winding mechanism, and a digital control system with a computer display as an operation interface, wherein the three-axis independent warp let-off mechanism comprises three independent warp let-off systems, a warp let-off stepper motor in each warp let-off system is mounted on a frame, an output shaft of the warp let-off stepper motor is mechanically connected to an input hole of a warp let-off reducer, and an output shaft of the warp let-off reducer is mechanically connected to a warp beam; The fabric tension detection mechanism includes three independent units, one end of the S-shaped tension and compression sensor in each independent unit is connected to the wall panel by bolts, the other end of the S-shaped tension and compression sensor is connected to the rear beam bracket by bolts, the rear beam bracket is mechanically connected to the rear beam, and the rear beam bracket is installed on the frame through a bearing seat; The described opening system comprises nine groups of upper opening mechanisms, nine groups of lower opening mechanisms and two groups of three-position opening mechanisms. In each group of upper opening mechanisms, the upper opening cylinder is mounted on the opening upper cylinder mounting plate, the wire rope connecting piece is mounted on the extension shaft of the upper opening cylinder, the wire rope connecting piece is connected to the upper opening heald frame through the wire rope via the guide wheel, and the upper opening heald frame is connected to the frame through the return heald spring, in each group of lower opening mechanisms, the lower opening cylinder is mounted on the lower opening cylinder mounting plate, the wire rope connecting piece is mounted on the extension shaft of the lower opening cylinder, the wire rope connecting piece is connected to the lower opening heald frame through the wire rope via the guide wheel, and the lower opening heald frame is connected to the frame through the return heald spring, in each group of three-position opening mechanisms, the lower cylinder is mounted on the lower cylinder mounting plate, the upper cylinder is connected to the lower cylinder through the cylinder connecting sleeve, the wire rope connecting piece is mounted on the extension shaft of the upper cylinder, the wire rope connecting piece is connected to the upper end of the three-position heald frame through the wire rope via the guide wheel, and the lower end of the three-position heald frame is connected to the frame through the return heald spring; In the beating mechanism, the beating motor is mounted on the beating motor seat, the beating motor wheel is mounted on the beating motor shaft, the beating pulley is mounted on the beating eccentric wheel shaft, the beating eccentric wheel shaft is connected to the frame through a bearing seat, the beating pulley and the beating motor wheel are connected through a beating synchronous belt, the eccentric wheel shaft is mechanically connected to the eccentric wheel, a bearing is mounted on the outer side of the eccentric wheel, an eccentric wheel bearing seat is mounted on the outer side of the bearing, the eccentric wheel bearing seat is connected to the sley through a joint bearing, the sley is connected to the frame through a bearing seat, and the sley is mechanically connected to the reed; In the weft insertion mechanism, two weft insertion cylinders are installed one above and one below on a weft insertion cylinder bracket, and a weft insertion rapier is installed on the output rod of each cylinder; In the weft selection mechanism, four upper weft selection cylinders are mounted on the weft selection cylinder support curved plate, and an upper weft selection rod is mounted on each upper weft selection cylinder, and four lower weft selection cylinders are mounted on the weft selection cylinder support curved plate, and a lower weft selection rod is mounted on each lower weft selection cylinder; In the weft cutting mechanism, the cylinder body of the weft cutting cylinder is mechanically connected to the weft cutting base, the fixed weft cutting blade is installed on the weft cutting base, the output rod of the weft cutting cylinder is mechanically connected to the weft cutting slider, and the movable weft cutting blade is installed on the weft cutting slider; In the pile cutting mechanism, the pile cutting cylinder is mounted on a cutter mounting plate, the cutter plate is mechanically connected to the piston rod of the pile cutting cylinder, the cutter plate is mounted on two linear guide sliders, the two linear guide sliders are mounted on the linear guide, the linear guide is mounted on the cutter mounting plate, and the cutter is mounted on the cutter plate; The independent cloth winding mechanism comprises two pairs of independent cloth winding rollers, the upper cloth winding motor is mounted on the frame, the upper cloth winding motor shaft is mechanically connected to the upper reducer input hole, the upper reducer output shaft is mechanically connected to the upper cloth winding active roller, the upper cloth winding driven roller is tightly pressed on the upper cloth winding active roller under the action of the upper spring, the lower cloth winding motor is mounted on the frame, the lower cloth winding motor shaft is mechanically connected to the lower reducer input hole, the lower reducer output shaft is mechanically connected to the lower cloth winding active roller, and the lower cloth winding driven roller is tightly pressed on the lower cloth winding active roller under the action of the lower spring.

2. A multifunctional small-sized fully automatic sample knitting machine according to claim 1, characterized in that The three-axis independent warp letting mechanism comprises a warp letting stepper motor, a reducer and a warp beam. The three groups of warp beams are driven and controlled by independent stepper motors, and the warp letting amount of each axis can be accurately controlled according to the characteristics of the fabric.

3. A multifunctional small-sized fully automatic sample knitting machine according to claim 1, characterized in that The cloth tension detection system includes three groups of S-shaped tension and compression sensors, a rear beam bracket and a rear beam, which can independently detect the cloth tension of three warp let-off beams. By comparing the relationship between the warp let-off amount and the cloth tension, the warp let-off amount of each weaving beam can be adjusted, thereby stabilizing the cloth tension on each warp let-off beam.

4. A multifunctional small-sized fully automatic sample knitting machine according to claim 1, characterized in that The opening mechanism comprises an upper cylinder, a lower cylinder, a heald frame and a return heald spring, so that the heald frame has three working positions, so that the device can weave spacer fabrics.

5. A multifunctional small-sized fully automatic sample weaving machine according to claim 1, characterized in that The cut pile mechanism comprises a cutter mounting plate, a cut pile cylinder, a cutter plate, a cutter and a linear guide rail group, and can enable the device to weave cut pile fabrics. When other fabrics need to be woven, the device can be dismantled as a whole.

6. A multifunctional small-sized fully automatic sample weaving machine according to claim 1, characterized in that The multifunctional small-sized fully automatic sample weaving machine can weave towel fabrics.

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