Raw material screening device for polyester DTY (Draw Textured Yarn) processing

Abstract

The utility model relates to the technical field of polyester DTY (draw textured yarn) processing, in particular to a raw material screening device for polyester DTY processing, which comprises a bottom plate, an unwinding drum component and a winding drum component, the unwinding drum component and the winding drum component are connected to two ends of the bottom plate, the winding drum component comprises a servo motor, a U-shaped mounting frame is connected to the upper plane of the bottom plate, and a swing rod component is rotatably connected to an inner cavity of the U-shaped mounting frame. The lower plane of one end of the swing rod assembly is connected with a pressure sensor, the upper plane of one end of the swing rod assembly is connected with a weight box assembly, the bottom of the pressure sensor is connected with a U-shaped seat, a V-shaped tensioning wheel is rotationally connected into the U-shaped seat, the U-shaped installation frame is connected with a V-shaped seat, and a proximity switch sensor is installed on the V-shaped seat. Limiting rod bodies fixed to the V-shaped base are arranged on the two sides of the proximity switch sensor correspondingly, and the top of the winding drum assembly is connected with a PLC. The tensile force screening device is reasonable in structure, can accurately apply tensile force to polyester DTYs with different diameters to screen out products with qualified elastic performance, and improves screening precision.

Description

TECHNICAL FIELD

[0001] The utility model relates to polyester DTY silk processing technical field especially, it relates to a kind of raw material screening devices of polyester DTY silk processing. BACKGROUND

[0002] Polyester DTY silk, full name is polyester low elastic yarn, is an important product type of polyester chemical fiber.Polyester DTY silk is with polyester chip (PET) as raw material, first through high-speed spinning to make pre-oriented yarn (POY), then after drawing and false twist texturing processing is formed.This processing process gives DTY silk certain elasticity and shrinkage, while retaining the excellent performance of polyester fiber.Polyester DTY silk needs to select the elastic performance of polyester DTY silk after production.Publication (announcement) number:CN221479103U discloses a kind of silk screening equipment for polyester DTY production, including bottom plate, the left and right sides of bottom plate top are respectively fixed and installed pay-off mechanism and take-up mechanism, the center position of bottom plate top is fixedly connected with mounting plate by bolt, the top of mounting plate is fixedly connected with silk thread tensioning mechanism by electric telescopic column, the top of bottom plate is respectively fixedly installed control box and alarm;The silk thread tensioning mechanism includes frame, and the frame is fixedly connected at the top of electric telescopic column.The silk screening equipment for polyester DTY production of the present application has reasonable structure design, is convenient to use, can realize the elastic performance detection and screening of polyester DTY silk thread, and the automatic power-off of equipment can be realized in the screening process that silk thread breaks, thereby preventing the situation that silk thread is accumulated more or wound into machine, improve safety, avoid unnecessary trouble, can fully meet the use demand.

[0003] The prior art in the above has the following defects: in the above technical scheme, different diameter polyester DTY silk cannot be accurately tensioned to screen out products with qualified elastic performance, and the screening accuracy is reduced. UTILITY MODEL CONTENT

[0004] The utility model mainly solves the technical problem to provide a kind of raw material screening devices of polyester DTY silk processing, different diameter polyester DTY silk can be accurately tensioned to screen out products with qualified elastic performance, and the screening accuracy is improved.

[0005] To solve the above technical problems, the utility model adopts one technical scheme, which provides a raw material screening device for polyester DTY yarn processing, which comprises: a bottom plate, a pay-off drum assembly and a winding drum assembly connected at both ends thereof, the winding drum assembly comprises a servo motor, the upper plane of the bottom plate is connected with a U-shaped mounting bracket, the inner cavity of the U-shaped mounting bracket is rotatably connected with a swing rod assembly which can extend to the outside, the lower plane of one end of the swing rod assembly is connected with a pressure sensor, the upper plane is connected with a counterweight box assembly, the bottom of the pressure sensor is connected with a U-shaped seat, a V-shaped tension pulley is rotatably connected in the U-shaped seat, a V-shaped seat is connected on the U-shaped mounting bracket, a proximity switch sensor is installed on the V-shaped seat, limit rod bodies fixed on the V-shaped seat are arranged on the two sides of the proximity switch sensor, the swing rod assembly swings clockwise, one end thereof away from the counterweight box assembly is in abutting connection with the limit rod body, a PLC controller is connected on the top of the winding drum assembly, and the PLC controller is electrically connected with the servo motor, the pressure sensor and the proximity switch sensor respectively.

[0006] By adopting the above technical scheme, when in use, the pay-off drum assembly releases the polyester DTY yarn which is wound by the winding drum assembly, the swing rod assembly is rotatably connected with the U-shaped mounting bracket, the V-shaped tension pulley connected with the swing rod assembly through the U-shaped seat is pressed on the transmitted polyester DTY yarn, the V-shaped tension pulley is rotatably connected with the polyester DTY yarn, the tension force of the elastic performance is determined according to the diameter of the polyester DTY yarn, the gravity of the U-shaped seat and the V-shaped tension pulley is measured first to obtain a value, the counterweight weight of the counterweight box assembly is adjusted, so that the pressure value displayed by the pressure sensor, the gravity of the U-shaped seat and the V-shaped tension pulley are added together to be the same as the tension force of the elastic performance which needs to be screened, then when the polyester DTY yarn is broken during winding, one end of the swing rod assembly near the counterweight box assembly swings clockwise, the other end of the swing rod assembly swings by a certain angle and is in abutting connection with the limit rod body, at this time, the proximity switch sensor detects a signal and transmits the signal to the PLC controller, the PLC controller transmits the signal to the servo motor, the servo motor stops rotating after receiving the signal, and the winding drum assembly stops winding the polyester DTY yarn, that is, the accurate tension force can be applied to the polyester DTY yarn with different diameters to screen the products with qualified elastic performance, and the screening precision is improved.

[0007] In a preferred example, the counterweight box assembly can further comprise a liquid storage tank and a liquid injection port arranged on the top thereof, the liquid injection port is threadedly connected with a plug, one side of the liquid storage tank is connected with a fixed plate, the fixed plate is provided with a circular hole, a bolt is arranged in the circular hole, and the end portion of the bolt is screwingly arranged on the swing rod assembly.

[0008] By adopting the technical scheme, the liquid for counterweight is injected into the liquid storage tank through the liquid injection port, so that the parameters of the pressure value displayed by the pressure sensor, the gravity of the U-shaped seat and the V-shaped tensioning wheel are accumulated to be the same as the tensioning force required for screening the elastic performance, so that the precise tensioning force can be applied to the polyester DTY filaments with different diameters, and the products with qualified elastic performance are screened out.

[0009] The utility model discloses in a preferable example can be further configured as: the swing lever assembly includes the rotation seat, and the swing lever one and swing lever two are connected at its left and right two ends, and the rotation seat's front and rear two ends are connected with the rotation shaft concentrically, and the rotation shaft passes through the U-shaped mounting bracket and is rotatably connected with it.

[0010] By adopting the technical scheme, when the polyester DTY filament breaks, the counterweight box assembly drives the swing lever one to swing clockwise under the action of gravity, the swing lever one drives the swing lever two to swing through the rotation seat, the swing lever two is connected with the limiting rod body and is detected by the proximity switch sensor, and the signal of the broken polyester DTY filament is transmitted to the PLC controller.

[0011] The utility model discloses in a preferable example can be further configured as: the unwinding drum assembly includes the vertical mounting seat one connected on the bottom plate and the support shaft one connected on the vertical mounting seat one, and the outer circle of support shaft one is rotatably connected with the pay-off reel, and the outer end of support shaft one is threadedly connected with the nut for limiting.

[0012] By adopting the technical scheme, the polyester DTY filament wound on the pay-off reel is pulled by the winding drum assembly to be unwound, and the pay-off reel is supported by the support shaft one, so that the pay-off reel can release the polyester DTY filament stably and smoothly.

[0013] The utility model discloses in a preferable example can be further configured as: the winding drum assembly still includes the vertical mounting seat two connected on the bottom plate and the rotating shaft rotatably connected on the vertical mounting seat two, and the outer circle of rotating shaft is connected with the take-up reel, and one end of rotating shaft is connected with the servo motor, and the outer end of rotating shaft is threadedly connected with the nut for limiting.

[0014] By adopting the technical scheme, the servo motor works to drive the rotating shaft to rotate, and the rotating shaft drives the take-up reel to rotate to wind the polyester DTY filament.

[0015] The utility model discloses in a preferable example can be further configured as: the top of U-shaped mounting bracket is connected with the alarm, and the alarm and PLC controller are electrically connected.

[0016] By adopting the technical scheme, after the PLC controller receives the polyester DTY yarn breakage signal of the proximity switch sensor, the PLC controller transmits the signal to the alarm, the alarm gives an alarm prompt, thereby attracting the attention of the operator.

[0017] To sum up, the utility model has at least one of the following beneficial technical effects:

[0018] The gravity of the U-shaped seat and the V-shaped tension pulley is measured first to obtain a value, the counterweight weight of the counterweight box assembly is adjusted, the pressure value displayed by the pressure sensor, the gravity of the U-shaped seat and the V-shaped tension pulley are accumulated, and the parameter is the same as the tension force size required for screening the elastic performance, that is, the accurate tension force can be applied to the polyester DTY yarn with different diameters to screen the products with qualified elastic performance, and the screening precision is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed in the embodiment description will be briefly introduced, obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without creative labor for those skilled in the art, wherein:

[0020] Figure 1 It is a structure schematic view of a preferable embodiment of the raw material screening device for polyester DTY yarn processing.

[0021] Figure 2 It is Figure 1 A local enlarged view of A in the figure.

[0022] Figure 3 It is Figure 1 A structure schematic view of the swing lever assembly.

[0023] In the figure: 1, bottom plate; 20, unwinding drum assembly; 30, winding drum assembly; 4, U-shaped mounting frame; 50, swing lever assembly; 6, pressure sensor; 70, counterweight box assembly; 8, U-shaped seat; 9, V-shaped tension pulley; 11, V-shaped seat; 12, proximity switch sensor; 13, limiting rod body; 14, PLC controller;

[0024] 15, alarm;

[0025] 21, vertical mounting seat one; 22, supporting shaft one; 23, pay-off disc;

[0026] 31, servo motor; 32, vertical mounting seat two; 33, rotating shaft; 34, take-up disc;

[0027] 51, rotating seat; 52, swing lever one; 53, swing lever two; 54, rotating shaft;

[0028] 71, liquid storage tank body; 72, liquid injection port; 73, plug; 74, fixed plate; 75, round hole. DETAILED DESCRIPTION

[0029] The preferred embodiments of the present application will be described below with reference to the drawings, and it should be understood that the preferred embodiments described herein are merely intended to illustrate and explain the present application, and are not intended to limit the present application.

[0030] It should be noted that these drawings are simplified schematic diagrams, and only illustrate the basic structure of the present application in a schematic manner, and therefore only show the components related to the present application.

[0031] Referring to Figures 1 to 3 The present application discloses a raw material screening device for polyester DTY yarn processing, comprising a bottom plate 1, a pay-off drum assembly 20 and a take-up drum assembly 30 connected at both ends thereof, and the take-up drum assembly 30 comprises a servo motor 31.

[0032] The pay-off drum assembly 20 comprises a vertical mounting seat one 21 connected to the bottom plate 1 and a support shaft one 22 connected to the vertical mounting seat one 21, the outer circle of the support shaft one 22 is rotationally connected with a pay-off reel 23, and the outer end of the support shaft one 22 is threadedly connected with a nut for limiting; the polyester DTY yarn wound on the pay-off reel 23 is pulled by the take-up drum assembly 30 for pay-off, and the support shaft one 22 supports the pay-off reel 23, so that the pay-off reel 23 can release the polyester DTY yarn smoothly and smoothly.

[0033] The take-up drum assembly 30 further comprises a vertical mounting seat two 32 connected to the bottom plate 1 and a rotating shaft 33 penetrating through the vertical mounting seat two 32 and rotationally connected therewith, the outer circle of the rotating shaft 33 is sleevedly connected with a take-up reel 34, one end of the rotating shaft 33 is connected with the servo motor 31, and the outer end of the rotating shaft 33 is threadedly connected with a nut for limiting; the servo motor 31 drives the rotating shaft 33 to rotate, and the rotating shaft 33 drives the take-up reel 34 to rotate to wind the polyester DTY yarn.

[0034] The upper plane of the bottom plate 1 is connected with a U-shaped mounting frame 4, the inner cavity of the U-shaped mounting frame 4 is rotationally connected with a swing rod assembly 50 which can extend to the outside, the lower plane of one end of the swing rod assembly 50 is connected with a pressure sensor 6, the upper plane is connected with a counterweight box assembly 70, the bottom of the pressure sensor 6 is connected with a U-shaped seat 8, the U-shaped seat 8 is rotationally connected with a V-shaped tension pulley 9, the U-shaped mounting frame 4 is connected with a V-shaped seat 11, the V-shaped seat 11 is installed with a proximity switch sensor 12, the two sides of the proximity switch sensor 12 are respectively provided with a limiting rod body 13 which is fixed on the V-shaped seat 11, the swing rod assembly 50 swings clockwise, the end thereof which is away from the counterweight box assembly 70 is in abutting connection with the limiting rod body 13, the top of the winding drum assembly 30 is connected with a PLC controller 14, the PLC controller 14 is electrically connected with the servo motor 31, the pressure sensor 6 and the proximity switch sensor 12 respectively.

[0035] The counterweight box assembly 70 comprises a liquid storage tank 71 and a liquid injection port 72 which is arranged on the top of the liquid storage tank 71, the liquid injection port 72 is threadedly connected with a plug 73, one side of the liquid storage tank 71 is connected with a fixing plate 74, the fixing plate 74 is provided with a circular hole 75, a bolt is arranged in the circular hole 75, the end of the bolt is screwingly arranged on the swing rod assembly 50; an appropriate amount of liquid used for counterweight is injected into the liquid storage tank 71 through the liquid injection port 72, so that the pressure value displayed by the pressure sensor 6, the gravity of the U-shaped seat 8 and the V-shaped tension pulley 9 are added together, and the parameter is the same as the tension force which needs to be screened for the elastic performance, so that the precise tension force can be applied to the polyester DTY yarns with different diameters, and the products with qualified elastic performance are screened out.

[0036] The swing rod assembly 50 comprises a rotating seat 51, a swing rod one 52 and a swing rod two 53 which are connected at the left and right ends of the rotating seat 51, the front and rear ends of the rotating seat 51 are concentrically connected with rotating shafts 54, the rotating shafts 54 pass through the U-shaped mounting frame 4 and are rotationally connected therewith; after the polyester DTY yarn is broken, the counterweight box assembly 70 drives the swing rod one 52 to swing clockwise under the action of the gravity of the counterweight box assembly 70, the swing rod one 52 drives the swing rod two 53 to swing through the rotating seat 51, the swing rod two 53 is in abutting connection with the limiting rod body 13, and the proximity switch sensor 12 detects the swing rod two 53 and transmits the signal of the broken polyester DTY yarn to the PLC controller 14.

[0037] The top of the U-shaped mounting frame 4 is connected with an alarm 15, the alarm 15 is electrically connected with the PLC controller 14; after the PLC controller 14 receives the signal of the broken polyester DTY yarn from the proximity switch sensor 12, the PLC controller 14 transmits the signal to the alarm 15, the alarm 15 gives an alarm to attract the attention of the operator.

[0038] The implementation principle of the embodiment is that, in use, the unwinding drum assembly 20 releases the polyester DTY yarn to be wound by the winding drum assembly 30, the swing rod assembly 50 is rotationally connected with the U-shaped mounting frame 4, the V-shaped tensioning wheel 9 connected with the swing rod assembly 50 through the U-shaped seat 8 is pressed on the transmitted polyester DTY yarn, the V-shaped tensioning wheel 9 is in rolling connection with the polyester DTY yarn, the size of the tensioning force for screening the elastic performance is determined according to the diameter of the polyester DTY yarn, the gravity of the U-shaped seat 8 and the V-shaped tensioning wheel 9 is measured first to obtain a value, the counterweight weight of the counterweight box assembly 70 is adjusted, so that the parameter obtained by adding the pressure value displayed by the pressure sensor 6, the gravity of the U-shaped seat 8 and the V-shaped tensioning wheel 9 is the same as the size of the tensioning force for screening the elastic performance, then, when the polyester DTY yarn is broken in the winding process, the one end of the swing rod assembly 50 close to the counterweight box assembly 70 swings clockwise, the other end of the swing rod assembly 50 is in abutting connection with the limiting rod body 13 after swinging by a certain angle, at this time, the proximity switch sensor 12 detects a signal and transmits the signal to the PLC controller 14, the PLC controller 14 transmits the signal to the servo motor 31, the servo motor 31 stops rotating after receiving the signal, and the winding drum assembly 30 stops winding the polyester DTY yarn, that is, the accurate tensioning force can be applied to the polyester DTY yarn with different diameters to screen the products with qualified elastic performance, and the screening precision is improved.

[0039] The above only describes the embodiments of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation according to the content of the utility model specification or direct or indirect application in other related technical fields is also included in the patent protection range of the utility model.

Claims

1. A polyester DTY yarn processing raw material screening device, comprising: The bottom plate (1), the unwinding drum assembly (20) connected at both ends thereof and the winding drum assembly (30) comprising a servo motor (31), characterized in that the upper plane of the bottom plate (1) is connected with a U-shaped mounting bracket (4), the inner cavity of the U-shaped mounting bracket (4) is rotationally connected with a swing lever assembly (50) which can extend to the outside, the lower plane of one end of the swing lever assembly (50) is connected with a pressure sensor (6), and the upper plane is connected with a counterweight box assembly (70), the bottom of the pressure sensor (6) is connected with a U-shaped seat (8), the inner cavity of the U-shaped seat (8) is rotationally connected with a V-shaped tensioning wheel (9), the U-shaped mounting bracket (4) is connected with a V-shaped seat (11), the V-shaped seat (11) is installed with a proximity switch sensor (12), the two sides of the proximity switch sensor (12) are respectively provided with limiting rod bodies (13) fixed on the V-shaped seat (11), the swing lever assembly (50) swings clockwise, the end thereof away from the counterweight box assembly (70) is in abutting connection with the limiting rod body (13), the top of the winding drum assembly (30) is connected with a PLC controller (14), and the PLC controller (14) is electrically connected with the servo motor (31), the pressure sensor (6) and the proximity switch sensor (12) respectively.

2. The polyester DTY yarn processing of raw material screening device according to claim 1, characterized in that, The counterweight box assembly (70) comprises a liquid storage tank body (71) and a liquid injection port (72) arranged at the top of the liquid storage tank body (71), a plug (73) is threadedly connected in the liquid injection port (72), a fixed plate (74) is connected to one side of the liquid storage tank body (71), a circular hole (75) is arranged on the fixed plate (74), a bolt is arranged in the circular hole (75), and the end of the bolt is screwingly arranged on the swing lever assembly (50).

3. The polyester DTY yarn processing of raw material screening device according to claim 1, characterized in that, The swing lever assembly (50) comprises a rotating seat (51), a swing lever one (52) and a swing lever two (53) connected to the left and right ends of the rotating seat (51), rotating shafts (54) are concentrically connected to the front and rear ends of the rotating seat (51), and the rotating shafts (54) pass through and are rotationally connected with the U-shaped mounting bracket (4).

4. The polyester DTY yarn processing of raw material screening device according to claim 1, characterized in that, The unwinding drum assembly (20) comprises a vertical mounting seat one (21) connected to the bottom plate (1) and a support shaft one (22) connected to the vertical mounting seat one (21), a pay-off reel (23) is rotationally connected to the outer circle of the support shaft one (22), and a nut for limiting is threadedly connected to the outer end of the support shaft one (22).

5. The polyester DTY yarn processing of raw material screening device according to claim 1, characterized in that, The winding drum assembly (30) further comprises a vertical mounting seat two (32) connected to the bottom plate (1) and a rotating shaft (33) penetrating through and rotationally connected with the vertical mounting seat two (32), a take-up reel (34) is sleevedly connected to the outer circle of the rotating shaft (33), the servo motor (31) is connected to one end of the rotating shaft (33), and nuts for limiting are threadedly connected to the outer ends of the rotating shaft (33).

6. The polyester DTY yarn processing of raw material screening device according to claim 1, characterized in that, An alarm (15) is connected to the top of the U-shaped mounting bracket (4), and the alarm (15) is electrically connected with the PLC controller (14).

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