CN108251925B - Bobbin head retaining device and method - Google Patents

Abstract

The invention relates to a device and a method for retaining ends of yarn bobbins. The device for retaining ends of bobbins comprises a fixed frame, a turntable for retaining ends, a shearing clamper, and a shearing and clamping drive device; the fixed frame has a fixed platform, and the fixed platform is provided with The first opening and the second opening, the head retaining turntable is set on the fixed platform and located below the first opening, the head retaining turntable is a ring structure, the head retaining turntable is provided with a threading hole, and the threading hole runs through the head retaining turntable The lower end surface and the side of the inner hole, the bobbin to be reserved can be put into the first opening and the inner hole of the reserved carousel at the same time, and the shear holder passes through the second opening and penetrates into the inner hole of the reserved carousel In the hole, the shearing clamp driving device is connected with the upper end of the shearing clamper, and the lower end of the shearing clamper is close to the threading hole, and the shearing clamper can cut and clamp the yarn. The bobbin end retention device and method of the present invention can effectively improve the automation degree and production efficiency of the empty bobbin end retention work in the spinning production process, and reduce the work intensity of spinning operators.

Description

Yarn bobbin retaining device and method

technical field

The invention relates to the technical field of textile machinery, in particular to a bobbin end retention device and method.

Background technique

During the spinning process of the spinning frame, after the bobbin is full, the full bobbin needs to be removed and replaced with an empty bobbin. To change the yarn type, it is necessary to wind the bottom yarn on the empty bobbin first, and then use the yarn end of the bottom yarn to lead the yarn to realize the joint. It is an essential operation in the whole spinning process to keep empty tubes. However, the traditional spinning production process needs to manually wind the yarn to complete the work of keeping the ends. The labor intensity of workers is high and the production efficiency is low.

Contents of the invention

Based on this, it is necessary to provide a bobbin end retaining device and method for the problems that the traditional spinning production process requires manual winding to complete end retaining work, labor intensity is high and production efficiency is low.

A bobbin head retention device, comprising a fixed frame, a head retention turntable, a shearing clamp, and a shearing and clamping driving device; the fixed frame has a fixed platform, and the fixed platform is provided with a first opening and a second Opening, the head retaining turntable is arranged on the fixed platform and is located below the first opening, the head retaining turntable is an annular structure with an inner hole, and the head retaining turntable is provided with a threading hole , the yarn threading hole runs through the lower end surface of the head retaining turntable and the side of the inner hole, and the bobbins to be retained can be put into the first opening and the inner hole of the end retaining turntable at the same time, the The shearing clamper passes through the second opening and penetrates into the inner hole of the head retaining turntable, the shearing clamping driving device is connected with the upper end of the shearing clamper, and the shearing clamping device is connected to the upper end of the shearing clamper. The lower end of the clamper is close to the yarn passing hole, and the shearing clamper can cut and clamp the yarn.

In one of the embodiments, the bobbin head retention device further includes a turntable drive device, the turntable drive device includes a motor and a drive turntable, the output shaft of the motor is connected to the center of the drive turntable, and the drive The turntable is in transmission connection with the head retention turntable.

In one embodiment, the head retention turntable is a rolling bearing structure, the inner ring of the head retention turntable is fixed on the fixing frame, and the outer ring of the head retention turntable can rotate relative to the inner ring.

In one of the embodiments, the lower end surface of the head retention turntable is a concave arc surface.

In one of the embodiments, the yarn bobbin retention device further includes a yarn grabbing device for grabbing the yarn bobbin to be reserved and putting the captured yarn bobbin into the yarn retention device. In the inner hole of the turntable and fixed.

In one of the embodiments, the shearing gripper is a cuboid retractable rod with a hook-shaped portion at the lower end, the first side of the hook-shaped portion is an elastic rubber surface or has a rounded edge, and The second side opposite to one side has a sharp edge, and the shearing and clamping drive device drives the shearing clamper to move telescopically, and when the hook is retracted to the second opening, the first side The hole wall that can cooperate with the second opening clamps and fixes the yarn wound on the shearing clamp, and the second side can cooperate with the hole wall of the second opening to wrap the yarn wound on the shear clamp. The yarn cuts off on the shear gripper.

In one of the embodiments, the shearing gripper includes a joystick and a shearing gripping mechanism, one end of the joystick is connected to the shearing gripping driving device, and the shearing gripping mechanism is arranged at At the other end of the joystick, the shearing and clamping mechanism has a shearing and clamping groove, and a shearing and clamping plate capable of controlling movement is arranged in the shearing and clamping groove, and the shearing and clamping plate moves The first groove wall can clamp the yarn, and the shear clamping plate moves to the second groove wall opposite to the first groove wall to cut the yarn.

In one of the embodiments, the shear clamping plate is provided with a first engagement portion on the side opposite to the second groove wall, and a second engagement portion is provided on the second groove wall, and the shear When the clamping plate moves to the second groove wall, the first engaging portion and the second engaging portion can engage with each other.

In one of the embodiments, the yarn bobbin retaining device further includes a yarn guide hook, and the fixing frame is provided with a yarn retaining bobbin positioning mechanism, and the yarn guide hook is arranged on the yarn retaining bobbin for positioning. above the institution.

A method for retaining a bobbin head, using the device for retaining a bobbin head described in any of the above embodiments, the method for retaining a bobbin head comprises the following steps:

The veil is passed through the yarn hole and introduced into the inner hole of the turntable, so that the shearing and clamping drive device drives the shearing clamp to clamp the yarn end of the veil;

Put the bobbin to be reserved into the inner hole of the end retaining turntable through the first opening and fix the position;

Rotate the tail turntable so that the tail yarn is wound on the bobbin;

The shearing and clamping driving device drives the shearing clamper to release the yarn end of the veil remaining and cut off the veil remaining between the yarn hole and the bobbin.

Compared with the prior art, the present invention has the following beneficial effects:

In the above-mentioned device and method for retaining ends of bobbins, the remaining yarns are passed through the yarn hole and introduced into the inner hole of the end retaining turntable, so that the shearing and clamping drive device drives the shearing clamper to clamp the ends of the remaining yarns, Put the bobbin to be reserved into the inner hole of the cap-retaining turntable through the first opening and fix the position, make the cap-retaining turntable rotate to wind the capillary yarn on the bobbin, and drive the shearing and clamping drive device to cut The gripper releases the yarn end of the veil and cuts off the veil on the threading hole and bobbin, so as to complete the work of veil retention, which can effectively improve the automation and production efficiency of the empty tube end retention work in the spinning production process , Reduce the work intensity of spinning operators.

Description of drawings

Fig. 1 is a schematic structural view of a bobbin head retention device according to an embodiment;

Fig. 2 is a schematic structural view of a shearing gripper according to an embodiment;

Fig. 3 is a schematic structural view of a shearing gripper in another embodiment;

Fig. 4 is a schematic diagram of the positional relationship between the head retaining turntable, the turntable driving device, the shearing gripper and the shearing and clamping driving device in Fig. 1;

Fig. 5 is a schematic structural view of a head retention carousel according to an embodiment.

Detailed ways

In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the understanding of the disclosure of the present invention more thorough and comprehensive.

It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to FIGS. 1-5 , a bobbin end retention device 100 according to an embodiment includes a fixing frame 110 , an end retention turntable 120 , a shearing clamper 130 , and a shearing clamping drive device 140 .

The fixing frame 110 has a fixing platform, and the fixing platform is provided with a first opening and a second opening. The end retaining turntable 120 is arranged on the fixed platform and is located below the first opening, and the end retaining turntable 120 is an annular structure with an inner hole 122, and the bobbin 200 to be end reserved can be put into the first opening and the retaining hole at the same time. In the inner hole 122 of the head turntable 120. The yarn retaining turntable 120 is provided with a yarn threading hole 124 , and the yarn threading hole 124 runs through the lower end surface of the tail retaining turntable 120 and the side surface of the inner hole 122 . The second opening is disposed adjacent to the first opening, and the shearing holder passes through the second opening and penetrates into the inner hole 122 of the head retention carousel 120 . The shearing and clamping driving device 140 is connected with the upper end of the shearing clamp, and the lower end of the shearing clamp is close to the threading hole 124, and the shearing clamp can cut and clamp the yarn.

Please refer to Figures 1 and 2, in an optional embodiment, the shearing gripper 131 is a cuboid retractable rod 132 with a hooked portion 133 at the lower end, and the first side 1332 of the hooked portion 133 is an elastic rubber surface or have a rounded edge, and the second side 1334 opposite to the first side 1332 has a sharp edge, the shearing and clamping drive device 140 drives the shearing clamp 131 to move telescopically, and when the hook 133 is retracted to the second opening, The hook portion 133 can cooperate with the hole wall of the second hole to cut off the yarn wound on the shearing clamp 131 and clamp and fix it. It should be noted that the first side 1332 and the second side 1334 refer to the planes on both sides of the hook head. It can be understood that, in this embodiment, the shape and size of the second opening are adapted to the cuboid retractable rod 132 , especially adapted to the hook portion 133 . Specifically, when the hook portion 133 retracts to the second opening, the first side 1332 can cooperate with the hole wall of the second opening to clamp and fix the yarn wound on the shearing clamp 131, and the second side 1334 The yarn wound on the shearing gripper 131 can be cut by matching the hole wall of the second hole. In this embodiment, the shearing and clamping driving device 140 may be an air cylinder.

Please refer to FIGS. 1 and 3, in another optional embodiment, the shearing clamp 135 includes a joystick 136 and a shearing clamping mechanism, and one end of the manipulation rod 136 is connected with a shearing clamping driving device 140, and the shearing clamp The cutting and clamping mechanism is arranged on the other end of the joystick 136. The shearing and clamping mechanism has a shearing and clamping groove 137, and a shearing and clamping plate 138 capable of controlling movement is arranged in the shearing and clamping groove 137. The plate 138 moves to the first groove wall to clamp the yarn, and the shear clamping plate 138 moves to the second groove wall opposite to the first groove wall to shear the yarn, and the clamping plate 138 and/or A sharp piece 1382 is set on the groove wall to realize cutting.

Further, in an optional embodiment, the shear clamping plate 138 is provided with a first engagement portion 1384 on the side opposite to the second groove wall, and a second engagement portion 1386 is provided on the second groove wall, and the shear clamp When the holding plate 138 moves to the second groove wall, the first engaging portion 1384 and the second engaging portion 1386 can engage with each other, so that the remaining veil can be clamped while cutting the remaining veil.

Further, in an optional embodiment, the shearing and clamping driving device 140 has a logic controller (not shown in the figure), and the shearing and clamping driving device 140 is electrically connected with the joystick 136 and the shearing and clamping plate 138 to respectively Control the action of the joystick 136 and the shear clamping plate 138 .

Please refer to FIG. 1 and FIG. 4 , in an optional embodiment, the bobbin end retention device 100 further includes a turntable driving device 150 , and the turntable drive device 150 is used to drive the end retention turntable 120 to rotate. In a specific embodiment, the turntable drive device 150 includes a motor 152 and a transmission turntable 154, the output shaft of the motor 152 is connected to the center of the drive turntable 154, the drive turntable 154 is connected to the head retaining turntable 120, and the drive turntable 154 can rotate Drive retaining turntable 120 to rotate. In this embodiment, the motor 152 and the transmission turntable 154 can rotate synchronously, so that the number of rotations of the head retention turntable 120 can be conveniently controlled.

1 and 5, in an optional embodiment, the head retaining turntable 120 is a rolling bearing structure, the inner ring 126 of the head retaining turntable 120 is fixed on the fixed frame 110, and the outer ring 128 of the head retaining turntable 120 can be relatively The inner race 126 rotates.

Preferably, the lower end surface of the turntable for hair retention 120 is a concave arc surface, which can prevent the kerchief yarn from winding on the turntable for hair retention 120 .

In an optional embodiment, the yarn bobbin retention device 100 also includes a yarn grabbing device 160, and the yarn grabbing device 160 is used to grab the yarn bobbin 200 that is left in the bag, and put the captured yarn bobbin into the yarn retention. In the inner hole 122 of the turntable 120, and fix the position of the bobbin 200. Specifically, the yarn grabbing device 160 fixes the yarn bobbin 200 so that the lowermost position of the yarn bobbin 200 is higher than the entrance of the yarn piercing hole 124 on the lower end surface of the head reserve turntable 120, and lower than the exit of the yarn piercing hole 124 on the side of the inner hole 122. . When the bobbin 200 completes the end-retaining work, the yarn grabbing device 160 can also transfer the bobbin 200 for the next step. In a specific embodiment, the yarn grabbing device 160 is a robot.

In an optional embodiment, the fixing frame 110 is provided with a positioning mechanism (not shown in the figure) for the bobbin of the yarn remaining. In a specific embodiment, the veil bobbin positioning mechanism includes a chassis and a plunger arranged at the center of the chassis, the veil bobbin 300 can be inserted into the plunger, and the chassis can rotate to drive the veil bobbin 300 turns. In this embodiment, the yarn bobbin retention device 100 further includes a yarn guide hook 170, which is arranged above the yarn bobbin positioning mechanism for the yarn retention, and the yarn guide hook 170 can facilitate the guidance and unwinding of the yarn retention.

Further, this embodiment also provides a bobbin head retention method, using the bobbin head retention device 100 in any of the above-mentioned embodiments, and the bobbin head retention method includes the following steps:

(1) The veil is passed through the threading hole 124 and introduced into the inner hole 122 of the head turntable 120, so that the shearing and clamping drive device 140 drives the shearing clamp to clamp the yarn end of the veil;

(2) put the yarn bobbin 200 to be reserved through the first opening into the inner hole 122 of the head reserved turntable 120 and fix the position;

(3) Rotate the head turntable 120 so that the head yarn is wound on the bobbin 200;

(4) Make the shearing and clamping driving device 140 drive the shearing clamper to release the yarn end of the veil and cut off the veil between the yarn hole 124 and the bobbin 200 .

Specifically, in step (1), a yarn drawing needle can be used to pass the remaining yarn through the yarn passing hole 124 and introduce it into the inner hole 122 of the yarn retaining turntable 120 .

In the embodiment in which the above-mentioned shearing clamp 131 is a cuboid retracting rod 132 with a hook-shaped portion 133 at the lower end, in step (1) of the bobbin retention method, the yarn retention is passed through the yarn hole 124 and After being introduced into the inner hole 122 of the turntable 120, the yarn end of the yarn remaining is wound on the shearing clamp 131, and the shearing clamp driving device 140 is driven to retract the shearing clamp 131, so that the hook portion 133 Back to the second opening, at this time, the first side 1332 cooperates with the hole wall of the second opening to clamp and fix the yarn wound on the shearing clamp 131; in step (4), the shearing clamp The holder 131 drive device drives the shearing holder 131 to stretch out the second opening, so as to release the yarn end of the veil, and then rotate the head retaining turntable 120 so that the yarn is wound on the shearing holder 131, so that The shear clamp driving device 140 drives the shear clamp 131 to retract, so that the hook portion 133 is retracted to the second opening. The yarn on the holder 131 is cut off, that is, the end work is completed.

In the above-mentioned embodiment where the shearing clamp 135 includes the operating lever 136 and the shearing clamping mechanism, in step (1) of the method for retaining the bobbins, the retained yarn passes through the yarn hole 124 and is introduced into the reserved rotary table After the inner hole 122 of 120, make the shear clamping drive device 140 drive the shear clamping plate 138 to move to the first groove wall to clamp and fix the veil; in step (4), make the shear clamping drive device The 140 driving plate moves away from the first groove wall, thereby unclamping the yarn end of the veil, and then the shearing and clamping driving device 140 driving plate moves to the second groove wall to connect the threading hole 124 with the remaining yarn on the bobbin 200. The veil is cut off, and the work of keeping the head is completed.

In the above-mentioned device 100 and method for retaining bobbins, the retained yarn passes through the yarn hole 124 and is introduced into the inner hole 122 of the retaining turntable 120, so that the shearing and clamping drive device 140 drives the shearing clamper to clamp the retaining yarn. Yarn ends, and excess yarn ends are cut off; the bobbin to be reserved is put into the inner hole 122 of the head retaining turntable 120 through the first opening and fixed in position, specifically, the yarn grabbing device 160 holds the bobbins 200 Fix so that the lowermost position of the yarn bobbin 200 is higher than the entrance of the yarn threading hole 124 on the lower end surface of the end face of the turntable 120, and lower than the exit of the side of the inner hole 122 of the threading hole 124; Wrapped on the spool, the shearing and clamping drive device 140 drives the shearing clamper to release the yarn end of the veil and cut off the veil on the yarn hole 124 and the spool, thereby completing the work of retaining the veil, which can Effectively improve the automation and production efficiency of the empty tube head retention work in the spinning production process, and reduce the work intensity of spinning operators.

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the present invention, and the descriptions thereof are relatively specific and detailed, but should not be construed as limiting the patent scope of the invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (10)

1. The yarn tube head retaining device is characterized by comprising a fixing frame, a head retaining rotary table, a shearing clamp holder, a shearing clamp driving device and a yarn grabbing device; the fixing frame is provided with a fixing platform, the fixing platform is provided with a first opening and a second opening, the head-retaining rotary table is arranged on the fixing platform and is positioned below the first opening, the head-retaining rotary table is of an annular structure with an inner hole, the head-retaining rotary table is provided with a yarn through hole, the yarn through hole penetrates through the lower end face of the head-retaining rotary table and the side face of the inner hole, a bobbin to be retained can be simultaneously placed in the first opening and the inner hole of the head-retaining rotary table, the shearing clamp holder penetrates through the second opening and penetrates into the inner hole of the head-retaining rotary table, the shearing clamp driving device is connected with the upper end of the shearing clamp holder, the lower end of the shearing clamp holder is close to the yarn through hole, and the shearing clamp holder can shear and clamp yarns; the cutting clamp comprises a cutting clamp body, a cutting clamp and a cutting clamp, wherein the cutting clamp body is a cuboid winding and unwinding rod, the lower end of the cuboid winding and unwinding rod is provided with a hook-shaped part, a first side face of the hook-shaped part is an elastic rubber face or is provided with a round corner edge, a second side face opposite to the first side face is provided with a sharp edge, the cutting clamp body is driven by a cutting clamp driving device to move in a telescopic mode, when the hook-shaped part is retracted to the second open hole, the first side face can be matched with the hole wall of the second open hole to clamp and fix yarns wound on the cutting clamp body, and the second side face can be matched with the hole wall of the second open hole to cut yarns wound on the cutting clamp body; the yarn grabbing device is used for grabbing a yarn tube with a to-be-left head and placing the grabbed yarn tube into an inner hole of the head-left rotary table and fixing the yarn tube.

2. The bobbin thread-retaining device according to claim 1, further comprising a turntable drive, wherein the turntable drive comprises a motor and a transmission turntable, wherein an output shaft of the motor is connected to a central portion of the transmission turntable, and wherein the transmission turntable is in transmission connection with the thread-retaining turntable.

3. The yarn tube end-retaining device according to claim 1, wherein the end-retaining turntable is of a rolling bearing structure, an inner ring of the end-retaining turntable is fixed on the fixing frame, and an outer ring of the end-retaining turntable can rotate relative to the inner ring.

4. The yarn tube end retaining device according to claim 1, wherein the lower end surface of the end retaining rotary disc is an inward concave cambered surface.

5. A yarn bobbin yarn end retaining device as in any one of claims 1-4 further comprising a yarn guide hook, wherein said retaining frame is provided with an end retaining yarn bobbin positioning mechanism, and said yarn guide hook is disposed above said end retaining yarn bobbin positioning mechanism.

6. A bobbin thread-retaining method, characterized in that a bobbin thread-retaining device according to any one of claims 1 to 5 is used, the bobbin thread-retaining method comprising the steps of:

the yarn retaining yarn passes through the yarn threading hole and is led into an inner hole of the yarn retaining rotary table, so that the shearing clamping driving device drives the shearing clamping device to clamp the yarn end of the yarn retaining yarn;

putting the bobbin to be left into the inner hole of the head-leaving rotary table through the first opening and fixing the position;

rotating the yarn-retaining rotary table to enable the yarn-retaining yarn to be wound on the yarn tube;

and driving the shearing clamping driving device to release the yarn end of the leftover yarn by the shearing clamping device and cutting off the leftover yarn between the yarn through hole and the yarn tube.

7. The yarn tube head retaining device is characterized by comprising a fixing frame, a head retaining rotary table, a shearing clamp holder, a shearing clamp driving device and a yarn grabbing device; the fixing frame is provided with a fixing platform, the fixing platform is provided with a first opening and a second opening, the head-retaining rotary table is arranged on the fixing platform and is positioned below the first opening, the head-retaining rotary table is of an annular structure with an inner hole, the head-retaining rotary table is provided with a yarn through hole, the yarn through hole penetrates through the lower end face of the head-retaining rotary table and the side face of the inner hole, a bobbin to be retained can be simultaneously placed in the first opening and the inner hole of the head-retaining rotary table, the shearing clamp holder penetrates through the second opening and penetrates into the inner hole of the head-retaining rotary table, the shearing clamp driving device is connected with the upper end of the shearing clamp holder, the lower end of the shearing clamp holder is close to the yarn through hole, and the shearing clamp holder can shear and clamp yarns; the shearing clamp holder comprises an operating rod and a shearing clamp mechanism, one end of the operating rod is connected with the shearing clamp driving device, the shearing clamp mechanism is arranged at the other end of the operating rod, the shearing clamp mechanism is provided with a shearing clamp groove, a shearing clamp plate capable of controlling movement is arranged in the shearing clamp groove, the shearing clamp plate moves to a first groove wall and can clamp yarns, and the shearing clamp plate moves to a second groove wall opposite to the first groove wall and can shear yarns; the yarn grabbing device is used for grabbing a yarn tube with a to-be-left head and placing the grabbed yarn tube into an inner hole of the head-left rotary table and fixing the yarn tube.

8. The bobbin thread retaining device according to claim 7, wherein the shear clamping plate is provided with a first engagement portion on a side opposite to the second groove wall, the second groove wall being provided with a second engagement portion, the first engagement portion and the second engagement portion being engageable with each other when the shear clamping plate is moved to the second groove wall.

9. Yarn tube end retaining device according to claim 7 or 8, further comprising a yarn guide hook, wherein the end retaining yarn tube positioning mechanism is arranged on the fixing frame, and wherein the yarn guide hook is arranged above the end retaining yarn tube positioning mechanism.

10. A bobbin thread-retaining method, characterized in that a bobbin thread-retaining device according to any one of claims 7 to 9 is used, the bobbin thread-retaining method comprising the steps of:

the yarn retaining yarn passes through the yarn threading hole and is led into an inner hole of the yarn retaining rotary table, so that the shearing clamping driving device drives the shearing clamping device to clamp the yarn end of the yarn retaining yarn;

putting the bobbin to be left into the inner hole of the head-leaving rotary table through the first opening and fixing the position;

rotating the yarn-retaining rotary table to enable the yarn-retaining yarn to be wound on the yarn tube;

and driving the shearing clamping driving device to release the yarn end of the leftover yarn by the shearing clamping device and cutting off the leftover yarn between the yarn through hole and the yarn tube.

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