TWM509229U - Automatic stop device by break of warp on loom - Google Patents

Description

No yarn self-stop device

The present invention is to provide a yarnless self-stop device, especially a yarnless self-stop device that can automatically stop when yarn is broken or not.

With the continuous development of the textile industry, more and more textile machinery must have the demand to supply irregular yarn feeding, in order to adapt to the weaving of the fabric pattern and the tension of the cloth surface, so as to meet the demand for yarn supply. In particular, the strip type yarn feeding device does not need to use an active motor, but uses a strip provided on the knitting machine as a power source, which simplifies the mechanism, reduces the volume, and reduces the cost.

The conventional yarn feeding device is provided with a yarn storage wheel, and the yarn can be wound around the yarn storage wheel to drive the pulley by a belt member such as a belt (not shown), thereby driving the storage wheel to rotate through the transmission shaft, thereby utilizing The yarn storage wheel drives the yarn to perform yarn storage and yarn feeding operations.

In the process of using the conventional yarn feeding device, if yarn breakage or yarn is not generated, the storage yarn can not be normally stored and fed, and usually can be detected by the sensing device for instant notification operation. Personnel handle it. However, the use of infrared sensors to detect abnormal conditions is likely to cause malfunction due to factors such as dust and dirt, so that the purpose of detecting yarn breakage and yarnlessness cannot be effectively achieved, thereby causing flaws in the fabric, and if it is impossible to find immediately It will also cause serious losses to the operators. Furthermore, the infrared sensor must use a circuit for logical judgment, which is high in manufacturing cost and easy to malfunction.

In summary, the creator feels that the above-mentioned deficiencies can be improved. He has devoted himself to research and cooperates with the application of academics, and finally proposes a design that is reasonable in design and effective in improving the above-mentioned deficiencies.

The technical problem to be solved by the present invention is to provide a yarnless self-stop device, which can effectively detect the yarn breakage and no yarn, so as to automatically stop, thereby avoiding the flaw of the fabric, and the failure rate is low, and the manufacturing cost is also higher. low.

In order to solve the above technical problem, the present invention provides a yarnless self-stop device, which is disposed on a yarn feeding device, the yarn feeding device comprising a body and a yarn storage wheel, the yarn storage wheel being rotatably disposed on the body, the yarnless yarn The self-stop device comprises: an upper yarn breaking lever, wherein the upper yarn breaking lever is swingably pivoted on the body, and the upper yarn breaking lever is movable between a first position and a second position; a yarn guiding member The yarn guiding member is provided with a yarn guiding hole, and a hole is formed in the yarn guiding member below the yarn guiding hole, the hole is connected to the yarn guiding hole; and a fixing seat is fixed to the fixing seat The yarn guiding member is disposed on the fixing base, and a guiding groove is formed on the fixing seat below the broken hole, and the yarn guiding groove communicates with the broken hole.

The creation has at least the following advantages: the yarnless self-stop device of the present invention can be used to detect the yarn breakage of the yarn storage wheel and the absence of the yarn. When the yarn storage wheel is normally stored and fed, the tension of the yarn can be utilized. The upper yarn breaking lever is used to maintain the upper yarn breaking lever in the first position, which is a normal yarn storage and yarn feeding situation. When the yarn storage yarn is broken or unthreaded, the yarn in the yarn guiding hole and the yarn guiding groove loses the tension and falls downward, and the upper yarn breaking rod then swings to the second position, and at this time, it can be used in the body. The sensor of the part senses, so as to judge that there is no yarn on the yarn storage wheel, so as to instantly display the occurrence of yarn breakage and no yarn, and at the same time, the automatic stop can be controlled to avoid the flaw of the fabric.

Furthermore, the yarnless self-stop device of the present invention comprises a yarn breakter, a yarn guide and a fixing seat, which are mechanically operated, have a low failure rate and a low manufacturing cost, and The overall body can be reduced.

In addition, the creation guide groove is arranged on the fixed seat, the length of the fixed seat and the guide groove is not limited, and can be extended according to the need, so as to be changed with different storage rollers, and the fixed seat can be made of metal material. Cheng, manufacturing costs are lower.

In addition, the bottom of the yarn guiding groove of the creation fixing seat may have a closed end, which can provide the function of stopping the positioning when the yarn is dropped downward, so as to prevent the yarn from falling out of the yarn guiding groove to facilitate the threading. operation.

In order to further understand the features and technical contents of the present invention, please refer to the following detailed description and drawings of the present invention. However, the drawings are only for reference and description, and are not intended to limit the creation.

1‧‧‧No yarn self-stop device

11‧‧‧Upper yarn breakter

111‧‧‧ pivotal department

112‧‧‧Resistance

12‧‧‧ Guide parts

121‧‧‧Guide hole

122‧‧‧Breaking

13‧‧‧ Fixed seat

131‧‧‧Guide guide

132‧‧‧closed end

133‧‧‧ screws

134‧‧‧Guide Department

135‧‧‧ side panels

14‧‧‧Bottom yarn breakter

15‧‧‧Cartper

A‧‧‧ first position

B‧‧‧second position

H‧‧‧height

w‧‧‧Width

2‧‧‧ Ontology

3‧‧‧ Storage Yarn Wheel

4‧‧‧ Pulley

Figure 1 is a perspective view of the yarnless self-stop device of the present invention.

Figure 2 is a front view of the yarnless self-stop device of the present invention.

Figure 3 is a side view of the yarnless self-stop device of the present invention.

Fig. 4 is a perspective view showing the partial construction of the yarnless self-stop device.

Figure 5 is a front elevational view of the partial construction of the yarnless self-stop device of the present invention.

Fig. 6 is a plan view showing a partial structure of the yarnless self-stopping device.

Figure 7 is a side elevational view of the partial construction of the yarnless self-stop device of the present invention.

Fig. 8 is a schematic view showing the state of use of the yarnless self-stop device.

Fig. 9 is a perspective view showing a partial configuration of another embodiment of the yarn-free self-stop device.

Figure 10 is a front elevational view of a partial construction of another embodiment of the inventive yarnless self-stop device.

Figure 11 is a top plan view showing a partial construction of another embodiment of the yarnless self-stop device.

Figure 12 is a side elevational view, partially in elevation, of another embodiment of the inventive yarnless self-stop device.

[First Embodiment]

Referring to FIG. 1 to FIG. 3, the present invention provides a yarnless self-stop device, which has no yarn from The stopping device 1 is disposed on the yarn feeding device, and the yarn feeding device can be an electromagnetic clutch type, a motor type or another type of yarn feeding device, and is not limited. The embodiment discloses an electromagnetic clutch type yarn feeding device.

The yarn feeding device comprises a body 2 and a yarn storage wheel 3. The yarn storage wheel 3 is rotatably disposed on the body 2. The yarn storage wheel 3 can be connected to a pulley 4 through a transmission shaft (not shown). The pulley 4 can be used for Engagement with a belt member such as a belt (not shown) to drive the pulley 4 and the yarn storage pulley 3 to rotate, thereby using the yarn storage pulley 3 to drive the yarn to perform yarn storage and yarn feeding operations. In the present embodiment, the yarn feeding device is of an electromagnetic clutch type, so that a clutch device (not shown) is provided between the transmission shafts to control the transmission of the rotary power by the engagement and separation of the clutch devices. When the clutch device is engaged, the rotational power can be transmitted to the yarn storage roller 3 to drive the yarn storage roller 3 to rotate, and the yarn is wound around the yarn storage roller 3 to perform the yarn storage operation. When the clutch device is disengaged, the rotational power is interrupted, causing the yarn storage pulley 3 to stop rotating to stop the yarn storage operation. In the case of a motor-type yarn feeding device, the motor can be directly rotated by a motor (not shown).

The yarnless self-stop device 1 is disposed on the main body 2. The yarnless self-stop device 1 includes an upper yarn breaking lever 11, a yarn guiding member 12 and a fixing seat 13, and the upper yarn breaking rod 11 is swingably pivoted. On the main body 2, the upper yarn breaking rod 11 has a pivoting portion 111 and an abutting portion 112. The pivoting portion 111 of the upper yarn breaking rod 11 is pivotally connected to the body 2 for pivoting the upper yarn breaking rod 11 It is arranged on the body 2. The upper yarn breaking lever 11 can swing up and down, so that the upper yarn breaking lever 11 can move between a first position a and a second position b (as shown in FIG. 2), and the second position b is located at the second position b Below the position a. The abutting portion 112 can be a cross bar such that the yarn can pass through the lower edge of the abutting portion 112 to support the upper yarn breaking bar 11 by the tension of the yarn, so that the upper yarn breaking bar 11 can be maintained at the first position a .

The material of the yarn guiding member 12 is not limited, and materials such as ceramics or metals can be used. The yarn guiding member 12 can be fixed to the main body 2 by using the fixing base 13 , that is, the yarn guiding member 12 can be preset to the fixing seat 13 by means of snapping or the like, and then the fixing seat 13 can be fixed by screws 133 or the like. The yarn guiding member 12 and the fixing seat 13 are provided on the body 2 It can be disposed on the body 2, and the yarn guiding member 12 and the fixing seat 13 abut the upper yarn breaking rod 11.

Referring to FIG. 4 to FIG. 7 , the yarn guiding member 12 is provided with a yarn guiding hole 121 which penetrates the front end and the rear end of the yarn guiding member 12 . The yarn guiding hole 121 is preferably but not limited to a circular shape. hole. A lower hole 122 is formed in the lower portion of the yarn guiding member 12, and the broken hole 122 penetrates the front end and the rear end of the yarn guiding member 12, and the broken hole 122 penetrates to the inner edge and the outer edge of the yarn guiding member 12. The hole 122 is communicated with the yarn guiding hole 121, and the opening of the yarn guiding hole 121 is also formed in an opening shape.

The material of the fixing seat 13 is not limited, and a material such as metal can be used. The fixing seat 13 can be a flat plate body. The fixing seat 13 defines a yarn guiding groove 131 at a lower portion of the hole 122. The yarn guiding groove 131 communicates with the hole 122, and the hole 122 is formed by the hole 122. The direction in which the yarn guiding hole 121 gradually expands toward the yarn guiding groove 131 causes the breaking hole 122 to engage the yarn guiding groove 131 and the yarn guiding hole 121.

The yarn guiding groove 131 extends through the front end and the rear end of the fixing seat 13. The yarn guiding groove 131 is preferably an elongated groove, that is, the height h of the yarn guiding groove 131 is greater than the width w, and the width w can also be said to be a yarn guiding groove. The lateral dimension of the 131, the height h can also be said to be the longitudinal dimension of the yarn guiding groove 131. The yarn guiding groove 131 may extend in the direction of the vertical line, and the yarn guiding groove 131 is preferably but not limited to be disposed at the middle of the fixing seat 13. The bottom of the yarn guiding groove 131 preferably has, but is not limited to, a closed end 132 which may have an arc shape to allow the yarn to pass smoothly. In another embodiment of the present creation, the bottom of the yarn guiding groove 131 has an open end (not shown) to form an open shape. However, regardless of whether the bottom of the yarn guiding groove 131 has a closed end 132 or an open end, since the yarn guiding groove 131 is an elongated hole, the yarn can be dropped downward.

The top of the holder 13 can also be further extended to form a yarn guiding portion 134 to facilitate guiding the yarn. One side of the holder 13 may further extend to form a side plate 135 for mounting a gripper 15, which in this embodiment is a spring type gripper structure. The body 2 can further pivot a lower section of the yarn breakter 14. The lower yarn breaking lever 14 is located below the yarn storage wheel 3, and can also be used to detect the yarn breakage of the yarn storage wheel 3 and no yarn.

The yarn guide groove 131 of the present invention is an elongated hole, so that the range in which the yarn can move downward in the yarn guiding groove 131 becomes large, that is, the yarn storage wheel 3 when the yarn is broken or not, the yarn guiding hole 121 The yarn in the yarn guiding groove 131 then drops downward and then falls downward, so that the upper yarn breaking lever 11 can be swung to the second position b immediately.

The yarnless self-stop device 1 of the present invention can be used to detect the condition that the yarn storage wheel 3 is broken or not. When the yarn storage wheel 3 normally stores and feeds the yarn, the upper yarn breaking rod 11 can be supported by the tension of the yarn. (Interference portion 112), the upper yarn breakage lever 11 is maintained at the first position a, and at this time, the normal yarn storage and yarn feeding are performed. When the yarn storage wheel 3 is broken or unthreaded, the yarn in the yarn guiding hole 121 and the yarn guiding groove 131 loses the tension and falls downward, and the upper yarn breaking lever 11 then swings to the second position b (as shown in FIG. 8). In this case, a sensor (not shown) disposed inside the body 2 can be sensed to determine that there is no yarn on the yarn storage wheel 3, and the signal is transmitted to the corresponding warning light (not shown). A warning light is issued to instantly display the occurrence of yarn breakage and no yarn, and at the same time, automatic stop can be controlled to avoid smashing of the fabric.

Furthermore, the yarnless self-stop device 1 of the present invention comprises the upper yarn breaking rod 11, the yarn guiding member 12 and the fixing seat 13, and only needs to be provided with a sensor, and operates by mechanical means, the failure rate is low, and the manufacturing cost is low. It is also lower and can reduce the overall body.

In addition, the present yarn guiding groove 131 is disposed on the fixing seat 13, and the lengths of the fixing seat 13 and the yarn guiding groove 131 are not limited, and may be extended as needed to match the different yarn storage wheels 3, and the fixing seat 13 is usually made of a metal material, that is, the fixing seat 13 can be a metal piece, and the manufacturing cost is low.

In addition, the bottom of the yarn guiding groove 131 of the present fixing seat 13 may have a closed end 132, which can provide a function of stopping the positioning when the yarn is dropped downward, so as to prevent the yarn from falling out of the yarn guiding groove 131. To facilitate the threading work.

[Second embodiment]

Referring to FIG. 9 to FIG. 12, in the embodiment, one side of the fixing base 13 extends. A side plate 135 is formed to facilitate mounting of a gripper 15, which is a magnet type gripper structure.

However, the above description is only the preferred embodiment of the present invention, and it is not intended to limit the scope of patent protection of this creation. Therefore, the equivalent changes made by using this creation specification and the contents of the schema are all included in the right of this creation. Within the scope of protection, it is given to Chen Ming.

1‧‧‧No yarn self-stop device

11‧‧‧Upper yarn breakter

111‧‧‧ pivotal department

112‧‧‧Resistance

12‧‧‧ Guide parts

121‧‧‧Guide hole

13‧‧‧ Fixed seat

131‧‧‧Guide guide

133‧‧‧ screws

134‧‧‧Guide Department

135‧‧‧ side panels

14‧‧‧Bottom yarn breakter

15‧‧‧Cartper

2‧‧‧ Ontology

3‧‧‧ Storage Yarn Wheel

4‧‧‧ Pulley

Claims (10)

A yarnless self-stop device is disposed on a yarn feeding device, the yarn feeding device comprising a body and a yarn storage wheel, the yarn storage wheel being rotatably disposed on the body, the yarnless self-stop device comprising: an upper yarn breakage a rod, the upper yarn breaking rod is pivotally disposed on the body, the upper yarn breaking rod is movable between a first position and a second position; a yarn guiding member, the yarn guiding member is provided with a yarn guide a hole, a broken hole is formed in the yarn guiding member below the yarn guiding hole, the broken hole is in communication with the yarn guiding hole; and a fixing seat is fixed on the body, and the yarn guiding member is arranged A guide groove is formed on the fixing seat below the hole, and the yarn guiding groove communicates with the hole. The yarnless self-stop device of claim 1, wherein the yarn guiding groove is an elongated groove, and the height of the yarn guiding groove is greater than a width. The yarnless self-stop device according to claim 1, wherein the yarn guiding groove extends in a direction of a vertical line, and the yarn guiding groove is disposed at a middle of the fixing seat. The yarnless self-stop device of claim 1, wherein the fixing seat is a metal piece, and the fixing seat is a plate body. The yarnless self-stop device of claim 1, wherein the bottom of the yarn guiding groove has a closed end. The yarnless self-stop device of claim 5, wherein the closed end has an arc shape. The yarnless self-stop device of claim 1, wherein the yarn guiding hole is a circular hole. The yarnless self-stop device according to claim 1, wherein the hole penetrates to an inner edge and an outer edge of the yarn guiding member, and the hole is formed to gradually expand from the yarn guiding hole toward the yarn guiding groove. Gradually expanding. The yarnless self-stop device according to claim 1, wherein the body is pivotally provided with a lower section of the yarn breakage rod, and the lower section of the yarn breakage rod is located below the yarn storage wheel. The yarn-free self-stop device of claim 1, wherein the upper yarn breaking lever has a pivoting portion and an abutting portion, and the pivoting portion of the upper yarn breaking lever is pivotally connected to the body.