CN107938155B

CN107938155B - Wire breakage detection device and wire breakage detection method

Info

Publication number: CN107938155B
Application number: CN201711475958.6A
Authority: CN
Inventors: 袁威; 袁博; 孙亮娜
Original assignee: Qingdao Zhengwo Machinery Equipment Technology Co ltd
Current assignee: Qingdao Zhengwo Machinery Equipment Technology Co ltd
Priority date: 2017-12-29
Filing date: 2017-12-29
Publication date: 2023-06-30
Anticipated expiration: 2037-12-29
Also published as: CN107938155A

Abstract

The utility model provides a broken wire detection device and a broken wire detection method, wherein the broken wire detection device comprises a lifting hook, a supporting rod capable of supporting the lifting hook, and a trigger piece capable of being in contact with the lifting hook to enable a 0V wire and a 24V wire to be electrically connected, wherein the lifting hook comprises a ring part capable of rotating around the supporting rod and a hook part capable of being lapped on a yarn and freely drooping when the yarn is broken, the ring part is sleeved outside the supporting rod, the hook part is fixedly connected with the ring part to drive the ring part to rotate when the yarn is broken, and the trigger piece is fixedly arranged below the hook part to be in contact with the lifting hook when the yarn is broken. The utility model has low cost and high disconnection response efficiency.

Description

Wire breakage detection device and wire breakage detection method

Technical Field

The utility model belongs to the technical field of zipper production equipment, and particularly relates to a broken line detection device and a broken line detection method.

Background

The slide fastener is a connecting piece for combining or separating articles by means of continuously arranged fastener elements, and is currently used for clothing, bags, tents and the like in a large number. In the production process of the zipper, a plurality of yarns are required to be simultaneously conveyed to a knitting device for processing zipper cloth belts, if one (or a plurality of) yarns are broken in the transportation and use processes of the yarns, cloth belts required for producing the zipper cannot be finally obtained, and meanwhile, the work of the whole production line is wasted. Based on the above, it is necessary to set a broken line detecting device to timely send out a signal when the yarn breaks and stop the operation of the production line, thereby ensuring the quality of the zipper cloth belt and avoiding the occurrence of flaws in the zipper.

The Chinese patent No. 203807636U discloses a yarn breakage alarm device, which comprises a friction wheel and an alarm device, wherein a steering wheel is arranged between the friction wheel and a spindle and is connected to a frame, the upper rim of the steering wheel and the lower rim of the friction wheel are positioned on the same horizontal plane, and the radial symmetry planes of the upper rim and the lower rim are positioned in the same radial plane; a travel switch is fixed on the frame near the steering wheel, a contact arm of the travel switch is lapped on yarns passing through an upper rim of the steering wheel and a lower rim of the friction wheel through an arm rod vertically arranged at the end part of the contact arm, and the output end of the travel switch is connected with an alarm device; when the broken wire occurs, the weight of the arm lever exceeds the reset force of the travel switch, the arm lever drives the contact arm to move downwards, the contact of the travel switch is closed, and a broken wire alarm is sent out, namely, the red light is lighted. The yarn breakage alarm device is simple in structure.

However, in order to find the thread breakage position in time, the yarn breakage alarm device needs to be provided with a plurality of alarm devices, so that on one hand, the installation and maintenance costs are high, and on the other hand, if the thread breakage occurs, a worker needs to arrive at the thread breakage occurrence position according to an alarm signal, then further operation is carried out according to judgment, and the broken yarn continuously works for a long time, so that the production quality of the zipper is greatly influenced.

Disclosure of Invention

Aiming at the technical problems of high cost and low wire breakage response efficiency of the yarn breakage alarm device, the utility model provides a wire breakage detection device with low cost and high wire breakage response efficiency and a wire breakage detection method using the same.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a broken string detection device, includes the lifting hook, can support the bracing piece of lifting hook, and can with the lifting hook contact is so that 0V line and 24V line electric connection's trigger piece, wherein, the lifting hook includes can wind the bracing piece pivoted loop portion to and can overlap joint on the yarn and when the broken string free sagging hook portion, wherein, loop portion cover is located the outside of bracing piece, hook portion with loop portion fixed connection drives when the broken string loop portion rotates, the trigger piece fixed set up in the below of hook portion, in order to when the broken string with the lifting hook contact.

Preferably, the hook further comprises a trigger part which can be contacted with the trigger piece, the trigger part is positioned below the hook part, the trigger part is fixedly connected with the ring part so as to synchronously move with the ring part, and the trigger piece is positioned below the trigger part so as to be contacted with the trigger part when the wire is broken.

Preferably, the lifting hooks are a plurality of, and the lifting hooks are arranged at intervals along the supporting rod.

Preferably, spacer sleeves are arranged between the adjacent lifting hooks, the spacer sleeves are sleeved outside the supporting rods, and the spacer sleeves are in contact with the lifting hooks so as to limit the lifting hooks to translate along the directions of the supporting rods.

Preferably, the device further comprises a supporting seat capable of fixing the supporting rod, and the supporting rod and the triggering piece are fixedly connected with the supporting seat.

Preferably, the triggering piece is detachably connected with the supporting seat, the supporting seat is provided with a plurality of connecting parts which can be connected with the triggering piece, so that the triggering piece is fixed at different positions of the supporting seat.

Preferably, the plurality of support seats are detachably connected with each other, and each support seat is connected with at least one support rod and at least one trigger piece.

Preferably, the support seat is connected with a plurality of support rods and a plurality of triggering pieces arranged corresponding to the support rods.

Preferably, the utility model further comprises two yarn passing rods, wherein the two yarn passing rods are respectively arranged at two sides of the hook part so as to respectively support yarns at two sides of the hook part.

A broken wire detection method, which uses the broken wire detection device, includes the following steps:

correspondingly and electrically connecting the lifting hook and the triggering piece with the 0V wire and the 24V wire, namely electrically connecting the triggering piece with the 24V wire when the lifting hook is electrically connected with the 0V wire, and electrically connecting the triggering piece with the 0V wire when the lifting hook is electrically connected with the 24V wire;

the hook is overlapped on the yarn.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. according to the broken line detection device, the lifting hook, the supporting rod and the trigger piece are arranged, so that the intervention of alarm structures such as an alarm indicator lamp and a buzzer is not needed, and the lifting hook is sleeved outside the supporting rod and the hook part is lapped on yarns during installation, so that the installation position is not needed to be accurately adjusted, and compared with the existing broken line detection device, the structure is simplified, and the use, installation and maintenance costs are greatly reduced; on the other hand, when the yarn takes place the broken string, the hook portion loses the yarn and freely falls behind the support, and makes lifting hook and trigger contact, and 0V line and 24V line switch on and form the short circuit simultaneously, make the machine trouble shut down, thereby for the staff with the warning, the transmission of yarn is stopped to the very first time simultaneously, and then for current broken string detection device has improved the efficiency of broken string response greatly, and then avoided causing the influence to the zip fastener quality because of the yarn broken string.

2. Compared with the existing broken wire detection device, the broken wire detection method has the advantages that the structure is simplified, and the use, installation and maintenance costs are greatly reduced; on the other hand for current broken string detection device has improved broken string response's efficiency greatly, and then avoided leading to the fact the influence to the zip fastener quality because of yarn broken string.

Drawings

FIG. 1 is a schematic diagram of an embodiment of a broken wire detecting device according to the present utility model before a broken wire occurs;

FIG. 2 is a schematic diagram of the broken wire detecting device in FIG. 1 when broken wires occur;

FIG. 3 is a side view of the break line detection device of FIG. 1;

FIG. 4 is a schematic diagram of another embodiment of a broken wire detecting device according to the present utility model;

FIG. 5 is a schematic diagram of a broken wire detecting device according to another embodiment of the present utility model;

in the above figures: 1. a lifting hook; 2. a support rod; 3. a trigger; 4. a ring portion; 5. a hook portion; 6. a trigger part; 7. a spacer bush; 8. a support base; 9. a connection part; 10. and (5) passing through a screw rod.

Detailed Description

The present utility model will be specifically described below by way of exemplary embodiments. It is to be understood that elements, structures, and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "inner", "outer", "upper", "lower", "front", "rear", etc. are based on the positional relationship shown in fig. 3, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 3, a broken wire detecting device includes a hook 1, a supporting rod 2 capable of supporting the hook 1, and a trigger member 3 capable of contacting with the hook 1 to electrically connect the 0V wire and the 24V wire, wherein the hook 1 includes a ring portion 4 capable of rotating around the supporting rod 2, and a hook portion 5 capable of overlapping a yarn and freely drooping when the yarn is broken, the ring portion is sleeved outside the supporting rod 2, the hook portion 5 is fixedly connected with the ring portion to drive the ring portion to rotate when the yarn is broken, and the trigger member 3 is fixedly arranged below the hook portion 5 to contact with the hook 1 when the yarn is broken.

Based on the above, the broken line detection device of the utility model is provided with the lifting hook 1, the supporting rod 2 and the trigger piece 3, so that the intervention of alarm structures such as an alarm indicator lamp, a buzzer and the like is not needed, and the lifting hook 1 is only required to be sleeved outside the supporting rod 2 and the hook part 5 is lapped on yarns during installation, and the accurate adjustment of the installation position is not needed, thereby simplifying the structure and greatly reducing the use, installation and maintenance costs compared with the existing broken line detection device; on the other hand, when the yarn takes place the broken string, the hook portion 5 loses the yarn and freely falls after supporting, and makes lifting hook 1 and trigger 3 contact, 0V line and 24V line switch on simultaneously and form the short circuit, make the machine trouble shut down, thereby give the staff with the warning, the transmission of yarn is stopped in the very first time simultaneously, and then for current broken string detection device has improved the efficiency of broken string response greatly, and then avoided causing the influence to the zip fastener quality because of the yarn broken string.

In addition, in the present utility model, the hook 1 is sleeved outside the supporting rod 2 to detect the yarn breakage, so that it is unnecessary to consider the uncertain influence of unstable stress and the like on the hook after the yarn breakage, compared with other detection forms detected by hanging on the yarn and the like, and the hook can be stably and accurately contacted with the trigger piece 3.

In order to improve the integration and portability of the wire breakage detection device, in the embodiments shown in fig. 1 to 3, the wire breakage detection device further includes a supporting seat 8 capable of fixing the supporting rod 2, and the supporting rod 2 and the triggering member 3 are fixedly connected with the supporting seat 8, so that the supporting rod 2 and the triggering member 3 are integrated on the supporting seat 8, and further the integration and portability of the wire breakage detection device are improved.

Specifically, as shown in fig. 1 to 3, the supporting seat 8 is a supporting block, a first through hole is formed in the supporting seat 8 along the horizontal direction, the first through hole is a round hole, the supporting rod 2 is one, the supporting rod 2 is a round rod, the supporting rod 2 is arranged along the horizontal direction, the outer circumferential surface of the left end of the supporting rod 2 is provided with threads, and the left end of the supporting rod 2 is sleeved in the first through hole and is fixed with the supporting seat 8 in a mode of being connected with a nut in a threaded manner.

It should be noted that, in the above embodiment, the shape of the first through hole may be replaced by an ellipse, the structure of the support rod 2 may be replaced by an ellipse, the support rod 2 is in clearance fit with the first through hole, and the support rod 2 is fixed on the support seat 8 through a bolt.

In order to improve the adjustability of the position of the triggering element 3, in the embodiment shown in fig. 1 to 3, the supporting seat 8 is provided with a plurality of connecting parts 9 which can be connected with the triggering element 3, so that the triggering element 3 is fixed at different positions of the supporting seat 8, and the position of the triggering element 3 can be adjusted according to the requirement.

Specifically, as shown in fig. 1 to 3, the connecting portion 9 is a second through hole, the connecting portion 9 is circular, the connecting portion 9 is located below the first through hole, the connecting portion 9 is three, the connecting portion 9 is distributed at intervals along the horizontal direction, the triggering piece 3 is a round rod, the triggering piece 3 is arranged along the horizontal direction, the outer circumferential surface of the left end of the triggering piece 3 is provided with threads, and the left end of the triggering piece 3 is sleeved in one of the connecting portions 9 and is fixed with the supporting seat 8 through a mode of being connected with the nuts in a threaded manner.

With respect to the structure of the hook 1, in the embodiment shown in fig. 1 to 3, the hook 1 is made of a wire with a circular cross section, wherein the ring portion 4 is spiral, the ring portion 4 is in clearance fit with the supporting rod 2, one end of the ring portion 4 is integrally connected with the hook portion 5, the other end of the ring portion 4 is connected with a trigger portion 6 which can contact with the trigger member 3, the hook portion 5 is obliquely arranged upward from the ring portion 4, the trigger portion 6 is located below the hook portion 5, the trigger portion 6 is fixedly connected with the ring portion 4 so as to move synchronously with the ring portion 4, and the trigger member 3 is located below the trigger portion 6 so as to contact with the trigger portion 6 when the wire is broken. According to the utility model, the distance from the lifting hook 1 to the trigger piece 3 can be shortened by arranging the trigger part 6, so that the lifting hook can timely contact with the trigger piece 3 when the yarn breaks, and the response efficiency of yarn breakage is improved.

As for the structure of the trigger portion 6, as shown in fig. 1 to 3, the trigger portion 6 is a wire with a circular cross section, and the trigger portion 6 is disposed obliquely downward from the ring portion 4.

It should be noted that, in the above embodiment, the ring portion 4 may be replaced by a circular ring.

In order to accurately and rapidly determine the position of yarn breakage, in the embodiment shown in fig. 3, the number of hooks 1 is plural, and the hooks 1 are arranged at intervals along the support rod 2, so that when the yarn breakage occurs, the position of yarn breakage can be determined in time according to the hooks 1 which move due to the yarn breakage, that is, the position of yarn breakage can be accurately and rapidly determined, and further the yarn breakage detection efficiency is improved.

Specifically, as shown in fig. 3, the number of the hooks 1 is eight, and the eight hooks 1 are parallel and equidistantly distributed along the horizontal direction.

In order to improve the positioning efficiency of the lifting hook 1 during the installation process, in the embodiment shown in fig. 1 to 3, spacers 7 are disposed between adjacent lifting hooks 1, the spacers 7 are sleeved outside the supporting rod 2, and the spacers 7 are in contact with the lifting hook 1 so as to limit the translation of the lifting hook 1 along the direction of the supporting rod 2. According to the utility model, through arranging the spacer 7, in the process of installing the lifting hooks 1, the spacer 7 with different lengths can be selected according to the distance between adjacent lifting hooks 1, and then the lifting hooks 1 can be rapidly and accurately positioned in a mode that the spacer 7 is sleeved outside the supporting rod 2, so that the positioning efficiency of the lifting hooks 1 is improved.

Specifically, as shown in fig. 3, the spacer 7 is hollow and cylindrical, and the inner surface of the spacer 7 is attached to the outer surface of the support rod 2.

In addition, in order to guarantee the stability of broken parts when the yarn breaks, in the embodiment shown in fig. 1 to 3, the broken yarn detecting device further comprises two yarn passing rods 10, wherein the two yarn passing rods 10 are respectively arranged at two sides of the hook part 5 so as to respectively support the yarns at two sides of the hook part 5, so that when the yarn breaks, the two broken yarn parts are respectively lapped on the two yarn passing rods 10, unstable movement caused by dead weight or external interference after the yarn breaks is avoided, and the difficulty of finding out the broken yarn position of a worker is greatly reduced.

For the structure of the screw rod 10 and the connection relationship between the screw rod 10 and the supporting seat 8, as shown in fig. 3, a third through hole is formed in the supporting seat 8 along the horizontal direction, the third through hole is circular, the screw rod 10 is a round rod, threads are formed on the outer circumferential surface of the left end of the screw rod 10, the left end of the screw rod 10 is sleeved in the third through hole and is fixed on the supporting seat 8 in a mode of being connected with a nut in a threaded manner, and the two screw rods 10 are arranged at intervals along the yarn conveying direction.

In the embodiment shown in fig. 4, the number of the supporting seats 8 is plural, the adjacent supporting seats 8 are detachably connected, each supporting seat 8 is connected with at least one supporting rod 2 and at least one triggering piece 3, so that the supporting seats 8 are replaced to flexibly adjust the distance between the adjacent supporting rods 2, and further the yarn detection efficiency is further improved.

Specifically, as shown in fig. 4, two supporting seats 8 are connected with each other by bolts, each supporting seat 8 is connected with one supporting rod 2, one triggering piece 3, and one screw passing rod 10, and the hooks 1 connected with the same supporting rod 2 are arranged in a group, so that the hooks 1 are arranged in two groups, and the two screw passing rods 10 are respectively positioned at two sides of the two screw passing rods 10.

In the embodiment shown in fig. 5, the support base 8 is connected with a plurality of support rods 2 and a plurality of triggering pieces 3 corresponding to the support rods 2, so that one support base 8 integrates a plurality of support rods 2 and a plurality of triggering pieces 3, and the integration and portability of the broken wire detection device are further improved.

Specifically, as shown in fig. 5, the number of the supporting seats 8 is one, two supporting rods 2 are connected to the supporting seats 8, two triggering pieces 3 respectively corresponding to the two supporting rods 2, and two screw passing rods 10 are provided, and the number of the lifting hooks 1 connected to the same supporting rod 2 is one, so that the number of the lifting hooks 1 is two, and the two screw passing rods 10 are respectively located at two sides of the two screw passing rods 10.

The utility model also relates to a broken wire detection method, which adopts the broken wire detection device and comprises the following steps:

correspondingly and electrically connecting the lifting hook 1 and the triggering piece 3 with the 0V wire and the 24V wire, namely electrically connecting the triggering piece 3 with the 24V wire when the lifting hook 1 is electrically connected with the 0V wire, and electrically connecting the triggering piece 3 with the 0V wire when the lifting hook 1 is electrically connected with the 24V wire;

the hook 5 is overlapped on the yarn.

Based on the above, the broken line detection method of the utility model does not need intervention of alarm structures such as alarm indicator lamps, buzzers and the like, and meanwhile, only needs to sleeve the lifting hook outside the supporting rod and lap the hook part on the yarn during installation, and does not need to accurately adjust the installation position, thereby simplifying the structure and greatly reducing the use, installation and maintenance costs compared with the existing broken line detection device; on the other hand, when the yarn takes place the broken string, the hook portion loses the yarn and freely falls behind the support, and makes lifting hook and trigger contact, and 0V line and 24V line switch on and form the short circuit simultaneously, make the machine trouble shut down, thereby for the staff with the warning, the transmission of yarn is stopped to the very first time simultaneously, and then for current broken string detection device has improved the efficiency of broken string response greatly, and then avoided causing the influence to the zip fastener quality because of the yarn broken string.

The manner of electrically connecting the lifting hook 1 with the 0V wire or the 24V wire comprises the following steps: the 0V wire or 24V wire is directly and electrically connected with the supporting rod 2, and the lifting hook 1 is electrically connected with the 0V wire or 24V wire through the supporting rod 2.

Claims

1. A wire breakage detection device, characterized by comprising:

a lifting hook (1);

a support bar (2) for supporting the hook (1); and

a trigger (3) which can be in contact with the hook (1) to electrically connect the 0V wire and the 24V wire; and

a support seat (8) capable of fixing the support rod (2);

the lifting hooks (1) are multiple, the lifting hooks (1) are arranged at intervals along the supporting rods (2), spacer bushes (7) are arranged between every two adjacent lifting hooks (1), and the supporting rods (2) and the triggering piece (3) are fixedly connected with the supporting seat (8);

the hook (1) comprises:

a ring (4) rotatable around the support bar (2); and

a hook (5) which can be lapped on the yarn and which is free to hang down when the yarn is broken; and

a trigger part (6) which can be contacted with the trigger piece (3);

wherein the ring part (4) is sleeved outside the supporting rod (2);

the hook part (5) is fixedly connected with the ring part so as to drive the ring part to rotate when the wire is broken; the trigger piece (3) is fixedly arranged below the hook part (5), the trigger part (6) is positioned below the hook part (5), the trigger part (6) is fixedly connected with the ring part (4) so as to synchronously move with the ring part (4), and the trigger piece (3) is positioned below the trigger part (6) so that the trigger piece (3) is contacted with the trigger part (6) of the lifting hook (1) when the wire is broken;

the spacer bush (7) is sleeved outside the supporting rod (2), and the spacer bush (7) is in contact with the lifting hook (1) so as to limit the lifting hook (1) to translate along the direction of the supporting rod (2).

2. The wire breakage detection device according to claim 1, characterized in that the trigger piece (3) is detachably connected with the supporting seat (8), the supporting seat (8) is provided with a plurality of connecting parts (9) which can be connected with the trigger piece (3), and the plurality of connecting parts (9) are arranged so that the trigger piece (3) is fixed at different positions of the supporting seat (8).

3. The broken wire detection device according to claim 1, wherein a plurality of supporting seats (8) are provided, the adjacent supporting seats (8) are detachably connected, and each supporting seat (8) is connected with at least one supporting rod (2) and at least one triggering piece (3).

4. The wire breakage detection device according to claim 1, characterized in that the support base (8) is connected with a plurality of the support bars (2), and a plurality of the triggering pieces (3) provided corresponding to the support bars (2).

5. The breakage detection device according to any one of claims 1 to 4, further comprising two passing screws (10), the two passing screws (10) being respectively provided on both sides of the hook portion (5) to respectively support yarns on both sides of the hook portion (5).

6. A wire breakage detection method, applying the wire breakage detection device according to any one of claims 1 to 5, characterized by comprising the steps of:

correspondingly and electrically connecting the lifting hook (1) and the triggering piece (3) with a 0V wire and a 24V wire, namely electrically connecting the triggering piece (3) with the 24V wire when the lifting hook (1) is electrically connected with the 0V wire, and electrically connecting the triggering piece (3) with the 0V wire when the lifting hook (1) is electrically connected with the 24V wire;

the hook (5) is overlapped on the yarn.