Broken yarn detection device for warp knitting machine

Abstract

The utility model relates to the technical field of warp knitting machine detection devices, and discloses a broken yarn detection device for a warp knitting machine, which comprises a mounting frame, and a detection mechanism is arranged at the top of the mounting frame; an adjusting mechanism for adjusting the position of the detection mechanism is also arranged at the top of the mounting frame; an identification mechanism linked with the detection mechanism is further arranged at the top of the mounting frame; a controller and an alarm are installed on the side face of the installation frame, and the alarm and the detection mechanism are both electrically connected with the controller. According to the broken yarn detection device for the warp knitting machine, broken yarn can be detected by arranging the detection mechanism, the position of the detection mechanism can be adjusted in real time by arranging the adjusting mechanism, the adjusting position can be visually displayed by arranging the identification mechanism, an operator can rapidly calibrate the broken yarn conveniently, and the debugging efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to warp knitting machine detection device technical field, specifically is warp knitting machine is with broken yarn detection device. BACKGROUND

[0002] In the weaving process of warp knitting machine, yarn is prone to breakage due to abnormal tension, wear and tear and other factors, if not detected and handled in time, it will cause defects in fabric, affect product quality, and cause raw material waste and production efficiency decline.

[0003] Such as the authorized announcement no. CN206814927U Chinese patent, discloses a kind of broken yarn detection device for weaving, including base and detection device, the detection device includes fixed plate, slide bar, guide rod, rolling device, pressure sensor, spring, baffle, sliding sleeve and control box, the both ends of the fixed plate are vertically fixed with slide bar by welding respectively, the bottom of the slide bar is vertically fixed on base by welding, the upper end of the fixed plate is provided with through-hole, the guide rod is slidably connected in the through-hole, the top of the guide rod is connected with rolling device, the lower end of the fixed plate is located in the through-hole and fixed with pressure sensor, the spring is sleeved on the lower end of pressure sensor of guide rod, the top of the spring is fixedly connected with pressure sensor, this broken yarn detection device for weaving, when yarn breaks, it will cause the pressure change detected by pressure sensor, and contrast with pre-set pressure value, when breakage occurs, alarm device is controlled by control box to alarm, so that people can be reminded to handle quickly.

[0004] But existing technology still has certain deficiency when using, for example, the position of existing broken yarn detection device is fixed, if changing weaving mode, the position of yarn changes, then it needs to be disassembled and replaced position, cannot be adjusted in real time, overall operation is more cumbersome. UTILITY MODEL CONTENT

[0005] The utility model provides a kind of broken yarn detection device for warp knitting machine, this kind of broken yarn detection device for warp knitting machine can adjust detection position in real time, and can mark the position of yarn.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of broken yarn detection device for warp knitting machine, including mounting bracket, characterized by: the top of the mounting bracket is provided with detection mechanism;The top of mounting bracket is also equipped with the adjusting mechanism for adjusting the position of detection mechanism;The top of mounting bracket is also equipped with the identification mechanism linked with detection mechanism;Controller and alarm are installed on the side surface of mounting bracket, alarm, detection mechanism are electrically connected with controller.

[0007] As a preferred scheme of the utility model, the detection mechanism includes the base arranged at the top of the mounting frame, the support rod is installed on the top of the base, the positioning sleeve is fixedly installed at the top end of the support rod, the detection component is arranged in the positioning sleeve, the wiring component is arranged at the top of the detection component, and the pressure sensor is arranged on the base and relative to the position of the detection component.

[0008] As a further preferred scheme of the utility model, the detection component includes the sleeve fixedly arranged on the inner wall of the positioning sleeve, the upper end and the lower end of the sleeve are closed, the detection rod is arranged in the inner cavity of the sleeve, the detection rod penetrates the upper end and the lower end of the sleeve, the linkage plate and the spring are further arranged in the inner cavity of the sleeve, the spring is sleeved on the detection rod, the linkage plate is fixedly installed on the detection rod and is above the spring, and the two ends of the spring are fixedly connected with the bottom surface of the linkage plate and the bottom of the inner cavity of the sleeve.

[0009] As a further preferred scheme of the utility model, the lower end of the detection rod is fixedly connected with the extrusion plate, and the area of the extrusion plate is matched with the detection end area of the pressure sensor.

[0010] As a further preferred scheme of the utility model, the wiring component includes the positioning frame and the wiring wheel rotatably installed on the positioning frame, the bottom of the positioning frame is fixedly connected with the support plate, the top end of the detection rod is provided with the insertion slot, and the lower end of the support plate is inserted into the insertion slot and locked through the bolt.

[0011] As a further preferred scheme of the utility model, the adjusting mechanism includes the adjusting groove arranged at the top of the mounting frame, the sliding block is sleeved in the adjusting groove in a sliding mode, the screw hole is arranged in the sliding block in a penetrating mode, the screw rod is rotatably arranged on the mounting frame, the screw rod penetrates the screw hole on the sliding block, the two ends of the screw rod penetrate the outer side of the mounting frame, the screw rod is engaged with the screw hole on the sliding block, and the top of the sliding block is fixedly connected with the bottom of the base.

[0012] As a further preferred scheme of the utility model, the motor is installed on the side of the mounting frame, and the output end of the motor is in transmission connection with one end of the screw rod.

[0013] As a further preferred scheme of the utility model, the identification mechanism includes the outer connecting plate fixedly sleeved on the surface of the base, the identification pointer is fixedly connected to the bottom of the outer connecting plate, the identification ruler plate is fixedly installed on the side of the mounting frame, and the identification pointer is within the range of the identification ruler plate.

[0014] The utility model has the following beneficial effects:

[0015] The warp knitting machine with the broken yarn detection device can detect broken yarn through the detection mechanism, adjust the position of the detection mechanism in real time through the adjusting mechanism, and intuitively display the adjusting position through the marking mechanism, so that the operator can quickly calibrate and improve the debugging efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model.

[0017] Figure 2 It is a detection mechanism structure schematic view of the utility model.

[0018] Figure 3 It is a detection mechanism cross section structure schematic view of the utility model.

[0019] Figure 4 It is an adjusting mechanism structure schematic view of the utility model.

[0020] Figure 5 It is a marking mechanism structure schematic view of the utility model.

[0021] In the figure: 1, mounting frame; 2, controller; 3, alarm; 4, detection mechanism; 5, adjusting mechanism; 6, marking mechanism; 41, base; 42, support rod; 43, positioning sleeve; 44, detection component; 45, wiring component; 46, pressure sensor; 441, sleeve; 442, linkage plate; 443, detection rod; 444, spring; 445, extrusion plate; 451, wiring wheel; 452, positioning frame; 453, support plate; 454, slot; 455, bolt; 51, adjusting groove; 52, sliding block; 53, screw rod; 54, motor; 61, external plate; 62, marking pointer; 63, marking ruler plate. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Embodiment: please refer to Figures 1-5The application discloses a broken yarn detection device for a warp knitting machine, which comprises a mounting frame 1, a detection mechanism 4 arranged at the top of the mounting frame 1, an adjusting mechanism 5 arranged at the top of the mounting frame 1 and used for adjusting the position of the detection mechanism 4, an indicating mechanism 6 arranged at the top of the mounting frame 1 and connected with the detection mechanism 4, a controller 2 and an alarm 3 arranged at the side of the mounting frame 1, and the alarm 3 and the detection mechanism 4 are electrically connected with the controller 2. The detection mechanism 4 can be arranged to detect the broken yarn, the adjusting mechanism 5 can be arranged to adjust the position of the detection mechanism 4 in real time, the indicating mechanism 6 can be arranged to visually display the adjusting position, the operator can quickly calibrate, the debugging efficiency is improved, and the alarm 3 can be arranged to give an alarm when the yarn is broken.

[0024] Further, the detection mechanism 4 comprises a base 41 arranged at the top of the mounting frame 1, a supporting rod 42 arranged at the top of the base 41, a positioning sleeve 43 fixedly arranged at the top of the supporting rod 42, a detection component 44 arranged in the positioning sleeve 43, a wiring component 45 arranged at the top of the detection component 44, and a pressure sensor 46 arranged on the base 41 and corresponding to the position of the detection component 44. During normal weaving, the yarn exerts pressure on the wiring component 45, drives the pressure sensor 46 to move downward and contact the pressure sensor 46 and exerts pressure on the pressure sensor 46, when the yarn is broken, the tension of the yarn on the wiring component 45 disappears, the detection component 44 moves upward and is separated from the pressure sensor 46, the pressure sensor 46 transmits a broken yarn signal to the controller 2 after detecting the pressure mutation, the controller 2 immediately triggers the alarm 3 to give an alarm, and the warp knitting machine can be stopped in linkage, so that the fault is avoided from being expanded.

[0025] Further, the detection component 44 comprises a sleeve 441 fixedly arranged on the inner wall of the positioning sleeve 43, the upper end and the lower end of the sleeve 441 are closed, a detection rod 443 is arranged in the inner cavity of the sleeve 441 and penetrates through the upper end and the lower end of the sleeve 441, a linkage plate 442 and a spring 444 are further arranged in the inner cavity of the sleeve 441, the spring 444 is sleeved on the detection rod 443, the linkage plate 442 is fixedly arranged on the detection rod 443 and is above the spring 444, and the two ends of the spring 444 are fixedly connected with the bottom surface of the linkage plate 442 and the bottom of the inner cavity of the sleeve 441; the lower end of the detection rod 443 is fixedly connected with a pressing plate 445, the area of the pressing plate 445 is matched with the detection end area of the pressure sensor 46; the wiring component 45 comprises a positioning frame 452 and a wiring wheel 451 rotatably arranged on the positioning frame 452, the bottom of the positioning frame 452 is fixedly connected with a supporting plate 453, a slot 454 is arranged at the top end of the detection rod 443, the lower end of the supporting plate 453 is inserted into the slot 454 and is locked by a bolt 455.

[0026] Specifically, the yarn is transmitted through the threading wheel 451, and when normal weaving, the yarn exerts downward tension on the threading wheel 451, drives the detection rod 443 to move downward, the linkage plate 442 compresses the spring 444, the extrusion plate 445 at the bottom of the detection rod 443 contacts and exerts stable pressure on the pressure sensor 46, and the pressure sensor 46 transmits the pressure signal to the controller 2, and the device is in normal operation; when the yarn is broken, the tension of the yarn on the threading wheel 451 disappears, the spring 444 resets to push the linkage plate 442 to move upward, the detection rod 443 drives the extrusion plate 445 to separate from the pressure sensor 46, and the pressure sensor 46 transmits the broken yarn signal to the controller 2 after detecting the pressure mutation, and the controller 2 immediately triggers the alarm 3 to issue an alarm, and the warp knitting machine can be stopped at the same time, so as to avoid the expansion of the fault.

[0027] It should be further pointed out that when detecting different specifications of yarn, the support plate 453 can be taken out from the slot 454 by removing the bolt 455, so that the corresponding threading component 45 can be replaced.

[0028] Further, the adjusting mechanism 5 comprises an adjusting groove 51 opened at the top of the mounting frame 1, a sliding block 52 is slidably sleeved in the adjusting groove 51, a threaded hole penetrating through the sliding block 52 is arranged on the sliding block 52, a lead screw 53 is rotatably arranged on the mounting frame 1, the lead screw 53 penetrates through the threaded hole on the sliding block 52, both ends of the lead screw 53 penetrate through the outside of the mounting frame 1, the lead screw 53 is engaged with the threaded hole on the sliding block 52, and the top of the sliding block 52 is fixedly connected with the bottom of the base 41. When adjusting the position of the detection mechanism 4, the sliding block 52 can move linearly in the adjusting groove 51 under the limiting action of the adjusting groove 51 by rotating the lead screw 53, so that the position of the detection mechanism 4 can be adjusted in real time.

[0029] Among them, the side surface of the mounting frame 1 is provided with a motor 54, and the output end of the motor 54 is in transmission connection with one end of the lead screw 53; the motor 54 can be turned on through the controller 2, so as to rotate the lead screw 53, so as to adjust the position of the detection mechanism 4.

[0030] Further, the identification mechanism 6 comprises an external plate 61 fixedly sleeved on the surface of the base 41, an identification pointer 62 is fixedly connected to the bottom of the external plate 61, an identification scale plate 63 is fixedly installed on the side surface of the mounting frame 1, and the identification pointer 62 is within the range of the identification scale plate 63; when the detection mechanism 4 moves, the external plate 61 and the identification pointer 62 can be driven to move, and the identification pointer 62 is observed at different positions of the identification scale plate 63, so as to facilitate the operator to accurately control the adjustment distance.

[0031] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0032] The above description is only the preferred embodiment of the present application, and it should be pointed out that, for those skilled in the art, without departing from the technical principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A yarn breakage detection device for a warp knitting machine, comprising a mounting frame (1), characterized in that: The top of the mounting frame (1) is provided with a detection mechanism (4); the top of the mounting frame (1) is also provided with an adjusting mechanism (5) for adjusting the position of the detection mechanism (4); the top of the mounting frame (1) is also provided with an identification mechanism (6) linked with the detection mechanism (4); the side of the mounting frame (1) is provided with a controller (2) and an alarm (3), and the alarm (3) and the detection mechanism (4) are electrically connected with the controller (2).

2. The broken yarn detection device for a warp knitting machine according to claim 1, characterized in that: The detection mechanism (4) comprises a base (41) arranged on the top of the mounting frame (1), a supporting rod (42) arranged on the top of the base (41), a positioning sleeve (43) fixedly arranged on the top of the supporting rod (42), a detection component (44) arranged in the positioning sleeve (43), and a wiring component (45) arranged on the top of the detection component (44), and a pressure sensor (46) arranged on the base (41) and corresponding to the position of the detection component (44).

3. The broken yarn detection device for a warp knitting machine according to claim 2, characterized in that: The detection component (44) comprises a sleeve (441) fixedly arranged on the inner wall of the positioning sleeve (43), the upper end and the lower end of the sleeve (441) are closed, a detection rod (443) is arranged in the inner cavity of the sleeve (441), the detection rod (443) penetrates through the upper end and the lower end of the sleeve (441), a linkage plate (442) and a spring (444) are arranged in the inner cavity of the sleeve (441), the spring (444) is sleeved on the detection rod (443), the linkage plate (442) is fixedly arranged on the detection rod (443) and above the spring (444), and the two ends of the spring (444) are fixedly connected with the bottom surface of the linkage plate (442) and the bottom of the inner cavity of the sleeve (441).

4. The broken yarn detection device for a warp knitting machine according to claim 3, characterized in that: The lower end of the detection rod (443) is fixedly connected with an extrusion plate (445), and the area of the extrusion plate (445) is matched with the detection end area of the pressure sensor (46).

5. The broken yarn detection device for a warp knitting machine according to claim 3, characterized in that: The wiring component (45) comprises a positioning frame (452) and a wiring wheel (451) rotatably arranged on the positioning frame (452), and the bottom of the positioning frame (452) is fixedly connected with a supporting plate (453), the top end of the detection rod (443) is provided with a slot (454), and the lower end of the supporting plate (453) is inserted into the slot (454) and locked by a bolt (455).

6. The broken yarn detection device for a warp knitting machine according to claim 2, characterized in that: The adjusting mechanism (5) comprises an adjusting groove (51) formed in the top of the mounting frame (1), a sliding block (52) sleeved in the adjusting groove (51), a through screw hole formed in the sliding block (52), a screw rod (53) rotatably arranged on the mounting frame (1), the screw rod (53) penetrating through the screw hole of the sliding block (52) and the two ends of the screw rod (53) penetrating through the outer side of the mounting frame (1), the screw rod (53) being engaged with the screw hole of the sliding block (52), and the top of the sliding block (52) being fixedly connected with the bottom of the base (41).

7. The broken yarn detection device for a warp knitting machine according to claim 6, characterized in that: The side of the mounting frame (1) is provided with a motor (54), and the output end of the motor (54) is in transmission connection with one end of the screw rod (53).

8. The broken yarn detection device for a warp knitting machine according to claim 2, characterized in that: The identification mechanism (6) comprises an outer connecting plate (61) fixedly sleeved on the surface of the base (41), the bottom of the outer connecting plate (61) is fixedly connected with an identification pointer (62), and the side surface of the mounting frame (1) is fixedly installed with an identification scale plate (63), and the identification pointer (62) is within the range of the identification scale plate (63).

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