Semi-automatic shuttle grass cloth weaving machine

Abstract

An opening device and a beating-up device are arranged between a let-off device and a winding device, the let-off device is used for conveying warp to the winding device, the beating-up device is used for beating-up, and the opening device and the beating-up device are both driven by a beating-up motor. The warp feeding device and the winding device are matched with the gear set to achieve synchronous linkage of opening through vertical movement of the heald frame and beating-up through front-back movement of the reed, namely beating-up is conducted once while opening is conducted once, and the control device is used for detecting the tension of warp yarn between the warp feeding device and the winding device and adjusting the rotating speed of the warp feeding device and the rotating speed of the winding device according to the detection result. And the tension is kept in a preset range. The grass cloth weaving machine keeps the characteristic of manual weaving of a traditional grass cloth weaving machine, has the advantages of being simple in structure, low in manufacturing cost and easy and convenient to operate, and is suitable for small-scale production or sample weaving of grass cloth (especially ramie fabric).

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of textile machinery, and in particular to a semi-automatic shuttle loom suitable for weaving hand-made summer cloth (mainly made of ramie). BACKGROUND

[0002] Summer cloth is a traditional Chinese textile made of ramie, with the characteristics of breathability and stiffness. Its weaving technique is an important intangible cultural heritage. Traditional summer cloth weaving relies on wooden shuttle looms, which are completely operated by hand: the shuttle is manually inserted, the shedding is controlled by a pedal, and the warp is manually coordinated with the take-up. Not only is the labor intensity extremely high, but also the production efficiency is low (less than 30 meters per day) due to the limitation of manual operation precision and the difficulty of changing patterns and organizations, which cannot meet the needs of modern mass production.

[0003] In existing textile equipment, automatic looms such as the rapier loom have high efficiency, but they have significant defects when used for summer cloth weaving: first, hand-made summer cloth yarn is not suitable for high-speed looms due to its high rigidity, uneven thickness, and uneven strength, which can easily lead to yarn breakage and affect product quality. Second, the weaving principle of modern looms is significantly different from that of traditional shuttle looms, and each row of weft yarn needs to be cut off, resulting in weft selvage and damaging the traditional texture of summer cloth. Third, the rapier loom is expensive (usually ≥ 50,000 yuan per unit), which is not suitable for small-scale workshops or inheritors.

[0004] Therefore, there is an urgent need for a loom that can retain the weaving characteristics of traditional summer cloth looms (ensure summer cloth quality), reduce labor intensity and improve efficiency through mechanization, and is low in cost and easy to operate, to solve the compatibility problem between traditional looms and modern automatic looms. SUMMARY

[0005] The purpose of the present application is to provide a semi-automatic shuttle summer cloth loom that can complete the warp feeding, shedding, beating-up, and take-up actions of the weaving process, and only needs manual yarn replacement and weft insertion, with simple structure, easy operation, and low cost.

[0006] The present application specifically adopts the following technical solutions:

[0007] A kind of semi-automatic shuttle grass cloth loom, including let-off device, shedding device, beating-up device, take-up device and control device;The shedding device and beating-up device are arranged between let-off device and take-up device, the let-off device is used to transport warp to the direction of take-up device, the beating-up device is used to beat-up, the shedding device and beating-up device are driven by beating-up motor, cooperate gear group to realize the up-and-down movement of harness frame and carry out beating-up, i.e.opening and beating-up once simultaneously, the control device is used to detect the tension of warp between let-off device and take-up device, and according to the detection result, the rotational speed of let-off device and take-up device is adjusted, so that the tension is kept in preset range.

[0008] Further, the beating-up device includes opening beating-up frame, beating-up motor, gear set, beating-up transmission shaft, crank, beating-up connecting rod, striker, pull hand and reed, beating-up motor is installed in opening beating-up frame, beating-up transmission shaft is installed on the hole of opening beating-up frame, crank is respectively installed at both ends of beating-up transmission shaft, crank is connected with connecting rod, connecting rod is connected with striker, striker is fixed on main body frame, striker is connected with pull hand, pull hand is connected with reed, beating-up motor drives both ends crank through beating-up transmission shaft, drives both ends striker and pull hand to move synchronously.

[0009] Further, the shedding device includes opening disc, connecting shaft, gear set, pedal, presser bar, opening transmission shaft, opening connecting rod, balance and harness frame, balance is installed on main body frame, opening transmission shaft is installed on opening beating-up frame, is connected with pinion through gear set, one end is fixed with opening disc, opening disc is connected with opening connecting rod and pedal through connecting shaft, beating-up motor drives beating-up device and shedding device simultaneously, beating-up transmission shaft and opening transmission shaft are connected through gear set with transmission ratio of 2:1, so that beating-up transmission shaft drives opening transmission shaft to rotate one round every two rounds, realizes single opening action corresponding single beating-up action.

[0010] Further, the opening and beating-up device are driven by beating-up motor, wherein: the up-and-down movement of harness frame is driven by linkage mechanism of balance and shedding device, the front-and-back movement of reed is driven by six-bar mechanism;The beating-up motor of the device realizes double-end driving through beating-up transmission shaft, crank is symmetrically installed at both ends of beating-up transmission shaft, synchronously drives both sides six-bar mechanism, so that the force of both ends of reed is balanced.

[0011] Further, the control device includes laser range finder, tension sensor and controller, laser range finder is respectively arranged on shedding device and take-up device, for detecting yarn roll on let-off shaft and take-up roller, tension sensor is used to measure yarn tension, controller is used to adjust the rotational speed of let-off device and take-up device according to diameter and tension detection results, so that the tension is kept in preset range.

[0012] The beneficial effects of the present application are:

[0013] The semi-automatic shuttle summer cloth loom of the present application is composed of a machine frame, a let-off mechanism, a heald frame, a treadle mechanism, a weaving mechanism and the like. The let-off, shedding, beating-up and take-up actions of the loom are cooperatively linked through a mechanical automatic control mode to retain the flexibility of manual shuttle weaving, so that the weaving process is more simple and fast, the weaving efficiency is improved, and the labor intensity is reduced. In addition, the machine is close in size and shape to the traditional summer cloth loom, has a small floor area and can be moved at any time; the speed of the mechanism is adjustable, and the operator is easy to operate, so it is very suitable for small-scale summer cloth weaving production or sample weaving. At the same time, the semi-automatic shuttle summer cloth loom introduces advanced sensing technology. As the let-off proceeds, the let-off take-up diameter gradually decreases, thereby affecting the yarn tension and yarn running speed. Through tension detection and speed adjustment, the yarn tension and running speed can be uniform and consistent, the real-time monitoring and precise control of the weaving process are realized, the weaving precision and product quality are improved, the production efficiency of summer cloth weaving and the yield of summer cloth are also improved, and the labor cost is reduced. The semi-automatic shuttle summer cloth loom can effectively help the summer cloth weaving artisans to inherit and carry forward the summer cloth weaving technology, produce more and better summer cloth products, and make summer cloth and other textiles more popular and diversified. This plays a positive role in promoting the development of the traditional hand-weaving industry and promoting the prosperity of the market for textile non-heritage products.

[0014] The present application will be described in detail below in conjunction with the accompanying drawings and examples. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is an isometric view of the device of the present application

[0016] Figure 2 is a left view of the device of the present application

[0017] Figure 3 is a cross-sectional view A-A of the left view of the device of the present application

[0018] Figure 4 is a top view of the device of the present application

[0019] Figure 5 is a schematic diagram of the overall design of the device of the present application

[0020] The list of accessories represented by the respective reference numerals in the drawings is as follows:

[0021] 1, main frame; 2, let-off shaft; 3, 208 bearing seat; 4, gear; 6, motor; 35, presser bar; 36, take-up frame; 37, worm reduction motor; 38, worm gear; 39, spline sleeve; 40, 209 bearing seat; 41, take-up roller; 43, 506 bearing seat; 44, laser range finder; 45, navel stick; 47, tension sensor;

[0022] 15, crank; 17, 50 pin shaft; 18, beating-up link; 19, 70 pin shaft; 20, beater; 21, doffer; 22, reed; 32, swing link; 33, harness; 34, heald frame; 42, shuttle;

[0023] 8, shedding and beating-up frame; 10, locking retainer; 11, beating-up drive shaft; 13, 6008 bearing; 14, through bearing cover; 15, crank; 16, shaft end retainer; 23, shedding drive shaft; 25, closed bearing cover; 26, 6006 bearing; 28, shedding disc; 29, shedding shaft; 30, shedding link; 31, treadle;

[0024] 39, spline sleeve; 44, laser range finder;

[0025] 2, warp beam; 45, belly bar; 35, presser bar; 28, shedding disc; 34, heald frame; 22, reed; 41, take-up roller; 15, beating-up crank; 18, beating-up link; 20, beater; 21, doffer; 42, shuttle; 33, harness. DETAILED DESCRIPTION

[0026] The principles and features of the present application are described below in conjunction with the accompanying drawings, in which the examples are used to explain the present application and are not intended to limit the scope of the present application.

[0027] Referring to Figure 1 , Figure 2 , Figure 5 , the semi-automatic shuttle summer cloth loom of the embodiment of the present application comprises a warp feeding device, a shedding device, a beating-up device, a take-up device, a control device and a main body frame 1; the warp feeding device is installed on the main body frame 1, the take-up device is installed on a take-up frame 36, the shedding and beating-up devices are installed on a shedding and beating-up frame 8, and the shedding and beating-up devices complete the up-and-down movement of the heald frame 34 and the back-and-forth movement of the reed 22 under the driving of a beating-up motor.

[0028] Referring to Figure 1 , the warp feeding device mainly comprises a warp feeding motor, a warp beam 2, a 208 bearing seat 3 and gear sets 4, 5; the warp feeding motor and the 208 bearing seat 3 are installed on the main body frame 1, the warp beam 2 is fixed on the 208 bearing seat 3, and the warp feeding motor drives the gear sets to drive the warp beam 2 to rotate.

[0029] Referring to Figure 2 , Figure 3The beating-up device is mainly composed of an opening beating-up frame 8, a beating-up motor, gear sets 7, 9, a beating-up transmission shaft 11, a crank 15, a beating-up connecting rod 18, a striker 20, a pulling hand 21 and a reed 22. The beating-up motor is installed in the middle of the opening beating-up frame 8. The beating-up transmission shaft 11 is installed on the hole of the opening beating-up frame 8. The crank 15 is installed at the two ends of the beating-up transmission shaft 11 respectively and is fixed by shaft end check rings 16. The crank 15 is connected with the beating-up connecting rod 18. The beating-up connecting rod 18 is connected with the striker 20. The striker 20 is fixed on the main body frame 1. The striker 20 is connected with the pulling hand 21. The pulling hand 21 is connected with the reed 22. The beating-up motor rotates to drive the beating-up transmission shaft 11. The crank 15 rotates. The striker 20 swings to make the reed 22 move forward and backward to complete beating-up.

[0030] Referring to Figure 2 , Figure 3 , Figure 5 The opening device is mainly composed of an opening disc 28, a connecting shaft, gear sets, a pedal 31, a presser bar 35, an opening transmission shaft 23, an opening connecting rod 30, a swing connecting rod 32, a balance 33 and a heald frame 34. The balance 33 is installed on the main body frame 1. The opening transmission shaft 23 is installed on the opening beating-up frame 8 and is connected with the beating-up transmission shaft 11 through the gear sets 12, 24. The opening disc 28 is fixed at one end of the opening transmission shaft 30. The opening disc 28 is connected with the opening connecting rod 30 and the pedal 31 through the connecting shaft. One end side of the balance 33 is connected with the heald frame 34 by a rope. The other side is connected with the swing connecting rod 32 by a rope. The swing connecting rod 32 is connected with the pedal 31 by a rope. The presser bar 35 is installed between the two swing connecting rods 32. The opening disc 28 rotates to drive the pedal 31 to rotate up and down. The pedal 31 is pressed down. The presser bar 35 moves down. The heald frame 34 will rise to complete an opening. The beating-up motor can drive the beating-up device and also can drive the opening device through the gear on the beating-up transmission shaft 11. The two devices can realize one opening and one beating-up through the gear sets between the beating-up transmission shaft 11 and the opening transmission shaft 23.

[0031] Referring to Figure 1 The winding device is mainly composed of a winding frame 36, a 209 bearing seat 40, a winding roller 41, a spline sleeve 39, a worm reduction motor 37 and a bearing backstop. The worm reduction motor 37 and the 209 bearing seat 40 are installed on the winding frame 36. The bearing backstop is installed in the 209 bearing seat 40. The winding roller 41 is supported at the two bearings. The winding roller 41 is slidably connected with the worm gear shaft of the worm reduction motor 37 through the spline sleeve 39. After the cloth is woven, the winding roller 41 can be separated from the worm gear shaft and removed.

[0032] Referring to Figure 1The control device is mainly composed of a laser range finder 44, a tension sensor 47 and a motor, the laser range finder 44 is installed on the main frame 1 of the alignment feed shaft 2 and the winding frame 36 of the alignment winding roller 41 respectively, the laser range finder 44 detects the diameters of the feed shaft 2 and the winding roller 41, and the winding speed can be obtained in combination with the rotating speed of the motor at the time, the tension sensor 47 is used for measuring the yarn tension, and the control device can adjust the rotating speeds of all the motors according to the yarn tension and the winding speed obtained by the sensor.

[0033] The weaving process of the loom: the sized yarn is wound on the feed shaft 2, is divided into two groups, passes through the navel stick 45 installed on the frame, one group passes through the presser bar 35, the heald frame 34, the odd holes of the reed 22 to the winding roller 41, but does not pass through the heald eye of the heald frame 34, and the other group passes through the heald eye of the heald frame 34, the even holes of the reed 22 to the winding roller. Start the motor, the yarn sent out on the feed shaft 2 is equal to the winding speed of the winding roller 41, and ensures that the yarn has a certain tension, the opening drive shaft 23 drives the opening disc to make the pedal 31 rotate up and down, drives the presser bar 35 and the heald frame 34 to move up and down, completes the opening, the beating drive shaft 11 drives the connecting rod mechanism to make the reed 22 move forward and backward, completes the beating, the person prepares the shuttle 42 provided with weft, throws the shuttle when the yarn forms an opening, and then the loom automatically completes the beating.

[0034] The loom can realize the interweaving of the warp and weft in a mechanized manner when weaving ramie cloth, improves the weaving efficiency, reduces the labor cost, has small machine area, simple structure, convenient operation and can be moved at any time, and is very suitable for small-scale weaving production or sample weaving.

[0035] The above describes the best embodiment of the present application, wherein the parts not described in detail are all the common knowledge of the ordinary skilled in the art. The protection scope of the present application is subject to the content of the claims, and any equivalent transformation based on the technical inspiration of the present application is also within the protection scope of the present application.

Claims

1. A semi-automatic shuttle grass cloth loom, characterized by, The warp knitting machine comprises a warp feeding device, an opening device, a beating device, a winding device and a control device; the opening device and the beating device are arranged between the warp feeding device and the winding device; the warp feeding device is used for feeding the warp yarn to the winding device; the beating device is used for beating; the opening device and the beating device are driven by a beating motor; a gear set is used for realizing the up-down movement of the heald frame, the opening and the front-back movement of the reed, i.e. one opening and one beating at the same time; the control device is used for detecting the tension of the warp yarn between the warp feeding device and the winding device, and adjusting the rotating speed of the warp feeding device and the winding device according to the detection result, so that the tension is kept in a preset range.

2. The semi-automatic shuttle grass cloth loom according to claim 1, characterized in that, The beating device comprises an opening beating frame, a beating motor, a gear set, a beating transmission shaft, a crank, a beating connecting rod, a striker, a pulling hand and a reed; the beating motor is installed in the middle of the opening beating frame; the beating transmission shaft is installed on the hole of the opening beating frame; the crank is arranged at the two ends of the beating transmission shaft respectively; the crank is connected with the connecting rod; the connecting rod is connected with the striker; the striker is fixed on the main frame; the striker is connected with the pulling hand; the pulling hand is connected with the reed; the beating motor drives the two end cranks through the beating transmission shaft, and drives the two end strikers and pulling hands to move synchronously.

3. The semi-automatic loom according to claim 1, wherein, The opening device comprises an opening disc, a connecting shaft, a gear set, a pedal, a pressing roller, an opening transmission shaft, an opening connecting rod, a balance and a heald frame; the balance is installed on the main frame; the opening transmission shaft is installed on the opening beating frame and connected with the pinion through the gear set; one end is fixed with the opening disc; the opening disc is connected with the opening connecting rod and the pedal through the connecting shaft; the beating motor drives the beating device and the opening device at the same time; the beating transmission shaft and the opening transmission shaft are connected through the gear set with a transmission ratio of 2:1, so that the beating transmission shaft drives the opening transmission shaft to rotate one round every two rounds, realizing single opening action corresponding to single beating action.

4. The semi-automatic summer cloth loom according to claim 1, wherein The opening and beating device are driven by the beating motor; the up-down movement of the heald frame is driven by the linkage mechanism of the balance and the opening device; the front-back movement of the reed is driven by the six-bar mechanism; the centrally arranged beating motor realizes double-end driving through the beating transmission shaft; the crank is symmetrically arranged at the two ends of the beating transmission shaft, and synchronously drives the two side six-bar mechanisms, so that the two ends of the reed are balanced.

5. The semi-automatic loom according to claim 1, wherein The control device comprises a laser range finder, a tension sensor and a controller; the laser range finder is arranged on the opening device and the winding device respectively, and is used for detecting the yarn roll on the warp beam and the winding roller; the tension sensor is used for measuring the yarn tension; the controller is used for adjusting the rotating speed of the warp feeding device and the winding device according to the diameter and tension detection result, so that the tension is kept in a preset range.

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