CN217757863U - Computerized flat knitting machine broken string detection device - Google Patents

Abstract

The utility model discloses a computerized flat knitting machine detection device that breaks, this computerized flat knitting machine detection device that breaks aim at solving present computerized flat knitting machine's knitting needle and lead to the yarn disconnection because of the high fever easily and can't in time detect out technical problem. The computerized flat knitting machine broken line detection device comprises a shell for protecting a flat knitting machine main body, a vertical frame fixedly connected to the right end of the shell, a pressure sensor installed at the right end of the vertical frame, and a pulley arranged on the right side of the pressure sensor and used for guiding yarns. This computerized flat knitting machine broken string detection device adopts the tight yarn of pressure sensor response to monitor the broken string condition of yarn to its extrusion effort that produces, and the reaction is sensitive, can in time remind the staff, avoids equipment idle running, through the smooth pulley mechanism in surface as the power transmission device between yarn and the pressure sensor, can guide the yarn, also avoids yarn direct contact pressure sensor, receives the extrusion of equipment edges and corners and leads to the cracked condition of accident.

Description

Computerized flat knitting machine broken string detection device

Technical Field

The utility model belongs to weaving equipment field, concretely relates to computerized flat knitting machine detection device that breaks.

Background

The computerized flat knitting machine is a double-needle plate latch needle weft knitting machine, yarns threaded on the knitting machine are repeatedly connected in series in a coil form through the vertical movement of a knitting needle to form a knitted fabric, but the surface temperature of the knitting needle is increased due to friction force when the knitting needle operates at a high speed, and yarn fibers are easily damaged until the yarn fibers are broken when the knitting needle pulls the yarns.

The Chinese utility model with the prior notice number of CN206448019U discloses a computerized flat knitting machine knitting needle detection device, which comprises a mountain board, wherein one side of the mountain board is provided with a guide upper triangle and a guide lower triangle, a knitting needle guide rail is formed between the guide upper triangle and the guide lower triangle, the guide lower triangle is provided with a groove with an opening facing the guide upper triangle, a movable block is arranged in the groove, the movable block can move downwards under the thrust of a knitting needle, and can reset when the thrust disappears; a chamfer structure is formed between one side of the movable block close to the knitting needle guide rail and the upper end face of the movable block, so that a sharp groove is formed between the guide lower triangle and the movable block; and a position detection part is arranged near the movable block and transmits the position movement information of the movable block to the computerized flat knitting machine controller. The utility model discloses automated inspection knitting needle is unusual and automatic shutdown when unusual, has improved the detection rate of accuracy, has reduced the cost of labor, has improved production efficiency. The patent document mainly detects the position abnormality of the knitting needle, but when the yarn breakage occurs on the knitting needle, the yarn breakage cannot be detected in time, so that the equipment continues to operate to perform useless operation.

Therefore, aiming at the situation that the yarn can not be detected in time after being broken due to frictional heat generated when the knitting needle of the traditional computerized flat knitting machine operates up and down, the broken yarn detection device is developed, and a pressure sensor is utilized, so that when the knitting needle draws the yarn, the pressure contact of the yarn in a tight state generates continuous extrusion acting force to judge whether the yarn is broken or not in time.

SUMMERY OF THE UTILITY MODEL

(1) Technical problem to be solved

To prior art not enough, the utility model aims to provide a computerized flat knitting machine detection device that breaks thread, this computerized flat knitting machine detection device that breaks thread aims at solving present computerized flat knitting machine's knitting needle and leads to the yarn disconnection and the technical problem that can't in time detect out because of the high fever easily.

(2) Technical scheme

In order to solve the technical problem, the utility model provides such computerized flat knitting machine detection device that breaks line which comprises the shell body, the fixed connection that are used for protecting the flat knitting machine main part in the grudging post of shell body right-hand member, install in the pressure sensor of grudging post right-hand member, set up in the pulley that is used for guiding the yarn on pressure sensor right side, pressure sensor right-hand member surface is full of pressure contact, pulley outer end swing joint has the link, fixedly connected with surface adhesion has the clamp plate on rubber layer between the link left end, the clamp plate left end paste closely in the pressure contact surface.

When the computerized flat knitting machine broken yarn detection device is used, a user pulls out yarns from a yarn barrel, the yarns pass through a knitting needle after bypassing a pulley, equipment is started, materials are knitted through up and down operation of the knitting needle, the yarns are in a tight state, extrusion force towards one side of a stand is generated on the pulley, the extrusion force is transmitted to a pressure contact through a pressing plate, a normal pressure signal is transmitted by the pressure sensor through the pressure contact, a warning lamp is displayed and reminded in a normally-on mode, after the yarns are broken, the extrusion force generated on the pulley disappears, the pressure sensor loses the signal source, the warning lamp is turned off, and operation personnel are prompted to check the yarns.

Preferably, a yarn barrel for fixing yarns is installed at the upper end of the outer shell, a knitting needle which vertically reciprocates is installed at the lower end of the outer shell, and the yarn barrel is connected with the knitting needle through yarns. The knitting needle makes regular lifting motion in a needle groove of a needle plate of the device, and yarns are knitted into knitted fabric through the actions of a needle hook and a needle latch.

Preferably, a groove is formed in the middle of the pulley, the yarn is located on the inner side of the groove, a through opening is formed in the lower end of the vertical frame, and the knitting needle is arranged on the left side of the through opening. The pulley is matched with the groove to limit the yarn and guide the yarn to be continuously transferred forwards along the operation of the knitting needle.

Preferably, the electric control console is installed to the shell body upper end, the warning light is installed to the shell body front end, the warning light with be automatically controlled between the pressure sensor and be connected. The pressure sensor controls the warning lamp to generate the effect of turning off according to the occurrence and the failure of the sensing signal, so that the pressure sensor is convenient for quickly reminding operators.

Preferably, a balance table is horizontally arranged at the right end of the vertical frame and arranged below the pressure sensor and the pressure plate. The balancing table has a stable supporting effect on the pressing plate and the pulley mechanism, and the influence on the change of a pressure sensing signal caused by the vibration of the mechanism due to the friction of yarns and the pulleys is reduced.

Preferably, two sets of chutes are symmetrically arranged at the front and back of the upper end of the balance table, two sets of linkage frames are fixedly connected to the front end and the back end of the pressing plate, sliding blocks are fixedly connected to the lower ends of the linkage frames, and the sliding blocks are movably connected to the inner sides of the chutes. The pressure plate can move transversely left and right stably through the movable connection of the sliding block and the sliding groove and is close to or far away from the pressure contact.

Preferably, a horizontally telescopic spring is installed between one side of the sliding block facing the stand and the sliding groove. When the yarn is cut off, the extrusion force of the yarn to the pulley disappears, the elasticity of the spring is recovered, and the supporting sliding block automatically bounces to the right along the sliding groove.

(3) Advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a computerized flat knitting machine broken string detection device adopts the tight yarn of pressure sensor response to monitor the broken string condition of yarn to the extrusion effort that its produced, and the reaction is sensitive, can in time remind the staff, avoids equipment idle running, through the smooth pulley mechanism in surface as the power transmission device between yarn and the pressure sensor, can guide the yarn, when preventing the off normal, also avoid yarn direct contact pressure sensor, the extrusion that receives equipment edges and corners leads to unexpected cracked condition.

Drawings

Fig. 1 is a schematic front structural view of an embodiment of a computerized flat knitting machine thread breakage detection device of the present invention;

FIG. 2 is a schematic side view of an embodiment of the computerized flat knitting machine yarn breakage detecting device of the present invention;

fig. 3 is a schematic view of a top view structure of an embodiment of the computerized flat knitting machine thread breakage detecting device of the present invention.

The labels in the figures are: 1. an outer housing; 2. erecting a frame; 3. a pressure sensor; 4. a pressure contact; 5. pressing a plate; 6. a connecting frame; 7. a pulley; 8. a bobbin; 9. knitting needles; 10. a groove; 11. a port; 12. an electric control console; 13. a warning light; 14. a balancing table; 15. a chute; 16. a linkage frame; 17. a slider; 18. a spring.

Detailed Description

The broken thread detection device of the computerized flat knitting machine comprises an outer shell 1 used for protecting a flat knitting machine body, a vertical frame 2 fixedly connected to the right end of the outer shell 1, a pressure sensor 3 installed at the right end of the vertical frame 2, and a pulley 7 arranged on the right side of the pressure sensor 3 and used for guiding yarns, wherein pressure contacts 4 are fully distributed on the surface of the right end of the pressure sensor 3, the outer end of the pulley 7 is movably connected with a connecting frame 6, a pressing plate 5 with a rubber layer attached to the surface is fixedly connected between the left ends of the connecting frame 6, and the left end of the pressing plate 5 is closely attached to the surface of the pressure contact 4.

For the present embodiment, the rubber material attached to the surface of the pressing plate 5 has a certain deformability, and an isolation layer is formed between the pressure contact 4 and the rigid pressing plate 5, so as to protect the pressure contact 4 through the flexible coating effect of the pressure contact.

Wherein, a yarn section of thick bamboo 8 that is used for fixed yarn is installed to 1 upper end of shell body, and the knitting needle 9 of vertical reciprocating operation is installed to 1 lower extreme of shell body, connects through the yarn between a yarn section of thick bamboo 8 and the knitting needle 9, is provided with recess 10 in the middle of the pulley 7, and the yarn is in recess 10 inboardly, and 2 lower extremes of grudging post are provided with opening 11, and knitting needle 9 sets up in opening 11 left sides. The knitting needle 9 carries out regular lifting motion in a needle groove of a needle plate of the device, yarns are knitted into knitted fabrics through the actions of a needle hook and a needle tongue, and the pulley 7 plays a limiting role in matching with the groove 10 to guide the yarns to be continuously transmitted forwards along the operation of the knitting needle 9.

Meanwhile, an electric control console 12 is installed at the upper end of the outer shell 1, an alarm lamp 13 is installed at the front end of the outer shell 1, and the alarm lamp 13 is electrically connected with the pressure sensor 3. The pressure sensor 3 controls the alarm lamp 13 to generate the effect of on-off according to the occurrence and the failure of the induction signal, so that the operating personnel can be reminded quickly.

In addition, a balance table 14 is horizontally installed at the right end of the vertical frame 2, the balance table 14 is arranged below the pressure sensor 3 and the pressing plate 5, two sets of sliding grooves 15 are symmetrically arranged at the front and back of the upper end of the balance table 14, two sets of linkage frames 16 are fixedly connected to the front and back ends of the pressing plate 5, a sliding block 17 is fixedly connected to the lower end of each linkage frame 16, the sliding block 17 is movably connected to the inner side of each sliding groove 15, and a horizontally-telescopic spring 18 is installed between one side of the sliding block 17, facing the vertical frame 2, and the sliding grooves 15. The balance table 14 has a stable supporting effect on the pressing plate 5 and the pulley 7 mechanism, the vibration of the mechanism caused by the friction of the yarn and the pulley 7 is reduced, the change of a pressure sensing signal is influenced, the pressing plate 5 can stably move transversely left and right through the movable connection of the sliding block 17 and the sliding groove 15 and is close to or far away from the pressure contact 4, when the yarn is disconnected, the extrusion force of the pressing plate to the pulley 7 disappears, the elasticity of the spring 18 is recovered, and the supporting sliding block 17 automatically bounces rightwards along the sliding groove 15.

When the computerized flat knitting machine broken yarn detection device of the technical scheme is used, a user pulls out yarns from a yarn cylinder 8, bypasses a pulley 7 and then wears on a knitting needle 9, equipment is started, materials are knitted by the knitting needle 9 in an up-and-down operation mode, the yarns generate extrusion acting force towards one side of the stand 2 to the pulley 7 in a tight state, the extrusion force is transmitted to a pressure contact 4 through a pressing plate 5, a normal pressure signal transmitted by the pressure sensor 3 through the pressure contact 4 is used as display reminding in a normally-on mode of a warning lamp 13, after the yarns are broken, a spring 18 pushes a sliding block 17 to move rightwards under the elastic recovery action of the spring, the pressing plate 5 leaves the pressure contact 4 instantly, meanwhile, the extrusion force generated by the yarns to the pulley 7 disappears, the pressure sensor 3 loses a signal source, the warning lamp 13 is turned off, and an operator is prompted to check the yarns.

Claims (7)

1. A computerized flat knitting machine broken line detection device comprises an outer shell used for protecting a flat knitting machine main body, a vertical frame fixedly connected to the right end of the outer shell, a pressure sensor installed at the right end of the vertical frame, and a pulley arranged on the right side of the pressure sensor and used for guiding yarns; the pressure sensor is characterized in that pressure contacts are fully distributed on the surface of the right end of the pressure sensor, the outer end of the pulley is movably connected with a connecting frame, a pressing plate with a rubber layer attached to the surface is fixedly connected between the left ends of the connecting frame, and the left end of the pressing plate is closely attached to the surface of the pressure contacts.

2. The computerized flat knitting machine broken yarn detection device of claim 1, wherein a bobbin for fixing yarn is installed at the upper end of the outer shell, a knitting needle which vertically reciprocates is installed at the lower end of the outer shell, and the bobbin and the knitting needle are connected through yarn.

3. The computerized flat knitting machine broken yarn detection device of claim 2, wherein a groove is arranged in the middle of the pulley, yarns are arranged inside the groove, a through opening is arranged at the lower end of the stand, and the knitting needle is arranged on the left side of the through opening.

4. The computerized flat knitting machine broken line detection device of claim 1, wherein an electric console is installed at the upper end of the outer shell, an alarm lamp is installed at the front end of the outer shell, and the alarm lamp is electrically connected with the pressure sensor.

5. The computerized flat knitting machine wire breakage detection device of claim 1, wherein a balance table is horizontally mounted at the right end of the stand and is arranged below the pressure sensor and the pressure plate.

6. The computerized flat knitting machine broken thread detection device according to claim 5, wherein two sets of sliding grooves are symmetrically arranged in front and back of the upper end of the balancing table, two sets of linkage frames are fixedly connected to the front end and the back end of the pressing plate, sliding blocks are fixedly connected to the lower ends of the linkage frames, and the sliding blocks are movably connected to the inner sides of the sliding grooves.

7. The device for detecting the broken thread of the computerized flat knitting machine according to claim 6, wherein a horizontally telescopic spring is arranged between one side of the sliding block facing the stand and the sliding groove.

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