Frequency conversion type equipment for detecting fixed length of glass fiber yarn

Abstract

The utility model discloses a frequency conversion type glass fiber yarn fixed length detection device, which comprises a bottom plate, a fixed rod, a reciprocating rod, a creel, a first driving structure and a second driving structure, a partition plate and a support are installed on the bottom plate, the fixed rod is fixed on the support, a plurality of first threading rings are distributed on the fixed rod along the axial direction of the fixed rod at equal intervals, and a plurality of second threading rings are distributed on the creel. The reciprocating rod and the fixing rod are arranged in parallel, one end of the reciprocating rod can be installed on the partition plate in a sliding mode in the axial direction of the reciprocating rod, the reciprocating rod is provided with a plurality of second threading rings matched with the first threading rings respectively, and the creel is rotatably installed on the partition plate. And the first driving structure is located on the side, away from the fixed rod, of the reciprocating rod and is in transmission connection with the reciprocating rod. According to the utility model, the detection accuracy is improved, manual participation is not needed, the detection efficiency is improved, and the labor cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of glass fiber production, in particular to a frequency conversion type device for detecting the fixed length of glass fiber yarn. Background Art

[0002] In the glass fiber production process, yarn inspection has a direct impact on quality. Being able to accurately and simply measure the tex of the yarn has become a necessary condition. There are technical problems in the inspection process as follows: 1. The number of yarns inspected each time is small, and the efficiency is low; 2. The range of fixed lengths to be inspected is small, and the types of inspections are few; 3. There are problems with counting, and the fixed length number cannot be accurately extracted, affecting the measured value; 4. Manual measurement is slow, time-consuming and labor-intensive. Summary of the invention

[0003] In view of the above problems existing in the existing yarn detection, the present invention aims to provide a variable frequency type glass fiber yarn fixed length detection device with high accuracy, high applicability and reduced labor cost.

[0004] The specific technical solutions are as follows:

[0005] A frequency conversion device for detecting the fixed length of glass fiber yarn, comprising:

[0006] A bottom plate, on which a partition plate and a bracket are installed;

[0007] A fixing rod, the fixing rod is fixed on the bracket, and the fixing rod has a plurality of first threading rings distributed at equal intervals along its axial direction;

[0008] A reciprocating rod, wherein the reciprocating rod is arranged in parallel with the fixed rod, and one end of the reciprocating rod is slidably mounted on the partition along its own axis, and the reciprocating rod has a plurality of second threading rings respectively matching with the plurality of first threading rings;

[0009] A creel, which is rotatably mounted on the partition plate and is located on a side of the reciprocating rod away from the fixed rod;

[0010] A first driving structure, the first driving structure is drivingly connected to the reciprocating rod and is used to drive the reciprocating rod to slide reciprocatingly along its own axial direction;

[0011] The second driving structure is drivingly connected to the creel and is used for driving the creel to rotate.

[0012] As a further improvement and optimization of this solution, the creel comprises:

[0013] A main shaft, one end of which is rotatably mounted on the partition;

[0014] A plurality of winding racks are installed on the main shaft along the circumference of the main shaft.

[0015] As a further improvement and optimization of this solution, the second driving structure includes:

[0016] A driving motor, the driving motor is mounted on the bottom plate and drivingly connected to one end of the main shaft;

[0017] An iron sheet, the iron sheet being mounted on the main shaft;

[0018] A Hall sensor is installed on the partition and connected to the drive motor signal, and is used to sense and calculate the number of revolutions of the iron sheet following the spindle. When the spindle rotates a predetermined number of revolutions, the Hall sensor sends a stop signal to the drive motor.

[0019] As a further improvement and optimization of this solution, the drive motor and the main shaft are connected via a belt drive structure.

[0020] As a further improvement and optimization of the present solution, the belt transmission structure is a belt transmission structure with a transmission ratio greater than one.

[0021] As a further improvement and optimization of this solution, the first driving structure includes:

[0022] A reduction motor, wherein the reduction motor is mounted on the partition;

[0023] A cam, the cam being mounted at an output end of the reduction motor and contacting one end of the reciprocating rod;

[0024] A return spring is sleeved on the reciprocating rod, and one end of the return spring contacts one end of the reciprocating rod, and the other end contacts the partition.

[0025] As a further improvement and optimization of this solution, one of the winding frames is provided with a plurality of thread end clips for connecting the yarn.

[0026] As a further improvement and optimization of the present solution, the partition is provided with a control panel, and the control panel is electrically connected to the first driving structure and the second driving structure respectively, and is used to control the first driving structure to drive the reciprocating rod to move back and forth and to control the second driving structure to drive the yarn frame to rotate.

[0027] As a further improvement and optimization of this solution, the base plate also has a power switch, a start button, and a stop button.

[0028] As a further improvement and optimization of the present solution, the bottom plate is further provided with a speed regulating knob, and the speed regulating knob is electrically connected to the second driving structure for controlling the speed at which the second driving structure drives the creel to rotate.

[0029] Compared with the prior art, the above technical solution has the following positive effects:

[0030] (1) During detection, one end of the yarn can be sequentially passed through a first threading ring and a second threading tube and connected to the creel. The creel is driven to rotate by the second driving structure so that the yarn is wound around the creel. The number of revolutions of the creel can be controlled by the second driving structure to control the detection length of the yarn. This not only improves the detection accuracy, but also eliminates the need for manual intervention, thereby improving the detection efficiency and reducing labor costs.

[0031] (2) The utility model is provided with a plurality of first threading rings and a plurality of second threading rings, which can realize synchronous detection of various types of yarns, thereby improving applicability and detection efficiency.

[0032] (3) The first driving structure in the utility model drives the reciprocating rod to reciprocate along its own axis, so that the yarn can be laid flat on the yarn frame, preventing the yarn from overlapping, causing the circumference to increase, resulting in larger errors and further improving the accuracy of detection.

[0033] (4) In the present invention, a Hall sensor is provided to count the number of revolutions of the creel. When the main shaft rotates a predetermined number of revolutions, the Hall sensor sends a stop signal to the drive motor, thereby further improving the accuracy of the inspection. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 This is a structural schematic diagram of a frequency conversion type device for detecting the fixed length of glass fiber yarn according to the utility model;

[0035] Figure 2 This is a schematic diagram of the structure of the second driving structure of a frequency conversion type device for detecting the fixed length of glass fiber yarn according to the utility model;

[0036] In the accompanying drawings: 1, bottom plate; 2, partition; 3, yarn rack; 4, bracket; 5, fixed rod; 6, reciprocating rod; 7, first driving structure; 8, control panel; 9, yarn; 10, speed knob; 20, power switch; 30, start button; 31, main shaft; 32, winding frame; 40, stop button; 50, beam splitter; 51, first threading ring; 60, second driving structure; 61, second threading ring; 71, reduction motor; 72, cam; 73, reset spring; 321, thread end card; 601, driving motor; 602, iron sheet; 603, Hall sensor; 604, transmission belt structure. DETAILED DESCRIPTION

[0037] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0038] In the description of the present invention, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, if the terms "first", "second", "third" appear, they are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0039] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] Figure 1 This is a schematic diagram of the structure of a frequency conversion device for detecting the fixed length of glass fiber yarn in the utility model. Figure 2 This is a schematic diagram of the structure of the second driving structure of a frequency conversion type device for detecting the fixed length of glass fiber yarn according to the utility model. Figure 1-2 As shown, a frequency conversion device for detecting the fixed length of glass fiber yarn in a preferred embodiment is shown, including a base plate 1, a fixed rod 5, a reciprocating rod 6, a yarn rack 3, a first driving structure 7 and a second driving structure 60. A partition plate 2 and a bracket 4 are installed on the base plate 1. The fixed rod 5 is fixed on the bracket 4, and the fixed rod 5 has a plurality of first threading rings 51 distributed at equal intervals along its own axis. The reciprocating rod 6 is arranged parallel to the fixed rod 5, and one end of the reciprocating rod 6 can be slidably installed on the partition plate 2 along its own axis, and the reciprocating rod 6 has a plurality of second threading rings 61 respectively matching the plurality of first threading rings 51. The yarn rack 3 is rotatably installed on the partition plate 2 and is located on the side of the reciprocating rod 6 away from the fixed rod 5. The first driving structure 7 is transmission-connected with the reciprocating rod 6 for driving the reciprocating rod 6 to slide back and forth along its own axis. The second driving structure 60 is transmission-connected with the yarn rack 3 for driving the yarn rack 3 to rotate.

[0041] During detection in this embodiment, one end of the yarn 9 can pass through a first threading ring 51 and a second threading tube in sequence and be connected to the yarn frame 3. The yarn frame 3 can be driven to rotate by the second driving structure 60 to wind the yarn 9 onto the yarn frame 3. The number of rotations of the yarn frame 3 can be controlled by the second driving structure 60 to control the detection length of the yarn 9, which not only improves the detection accuracy but also does not require manual intervention, thereby improving the detection efficiency and reducing labor costs.

[0042] In this embodiment, a plurality of first threading rings 51 and a plurality of second threading rings 61 are provided, so that multiple types of yarns 9 can be detected synchronously, thereby improving applicability and detection efficiency.

[0043] In this embodiment, the first driving structure 7 drives the reciprocating rod 6 to reciprocate along its own axis, so that the yarn 9 can be spread flat on the yarn frame 3, preventing the yarn 9 from overlapping, causing the circumference to become larger, resulting in larger errors and further improving the accuracy of detection.

[0044] Further, as a preferred embodiment, the yarn rack 3 includes a main shaft 31 and a plurality of winding racks 32 , one end of the main shaft 31 is rotatably mounted on the partition 2 , and the plurality of winding racks 32 are mounted on the main shaft 31 along the circumference of the main shaft 31 .

[0045] Furthermore, as a preferred embodiment, the second driving structure 60 includes a driving motor 601, an iron sheet 602 and a Hall sensor 603. The driving motor 601 is installed on the base plate 1 and is transmission-connected to one end of the main shaft 31. The iron sheet 602 is installed on the main shaft 31. The Hall sensor 603 is installed on the partition 2 and is signal-connected to the driving motor 601 for sensing and calculating the number of revolutions of the iron sheet 602 following the main shaft 31. When the main shaft 31 rotates a predetermined number of revolutions, the Hall sensor 603 sends a stop signal to the driving motor 601.

[0046] In this embodiment, the Hall sensor 603 is provided to count the number of revolutions of the creel 3. When the main shaft 31 rotates a predetermined number of revolutions, the Hall sensor 603 sends a stop signal to the drive motor 601, thereby further improving the accuracy of the inspection.

[0047] Furthermore, as a preferred embodiment, the driving motor 601 and the main shaft 31 are connected via a belt transmission structure 604 .

[0048] Further, as a preferred embodiment, the belt transmission structure 604 is a belt transmission structure 604 with a transmission ratio greater than one.

[0049] Furthermore, as a preferred embodiment, the first driving structure 7 includes a reduction motor 71, a cam 72 and a return spring 73. The reduction motor 71 is installed on the partition 2, the cam 72 is installed at the output end of the reduction motor 71, and the cam 72 is in contact with one end of the reciprocating rod 6. The return spring 73 is sleeved on the reciprocating rod 6, and one end of the return spring 73 is in contact with one end of the reciprocating rod 6, and the other end is in contact with the partition 2. When the reduction motor 71 drives the cam 72 to rotate, when the raised part of the cam 72 is in contact with one end of the reciprocating rod 6, the reciprocating rod 6 will compress the return spring 73 and extend it outward. When the raised part of the cam 72 is separated from one end of the reciprocating rod 6, the reciprocating rod 6 is retracted inwardly under the elastic action of the return spring 73 to perform the return movement, and this is repeated to realize the reciprocating motion of the reciprocating rod 6.

[0050] Furthermore, as a preferred embodiment, one of the winding frames 32 has a plurality of thread end clips 321 for connecting the yarns 9 .

[0051] Furthermore, as a preferred embodiment, the partition 2 has a control panel 8, which is electrically connected to the first drive structure 7 and the second drive structure 60, respectively, and is used to control the first drive structure 7 to drive the reciprocating rod 6 to reciprocate and control the second drive structure 60 to drive the yarn frame 3 to rotate.

[0052] Furthermore, as a preferred embodiment, the base plate 1 also has a power switch 20 , a start button 30 , and a stop button 40 .

[0053] Furthermore, as a preferred embodiment, the base plate 1 is further provided with a speed regulating knob 10 , which is electrically connected to the second driving structure 60 and is used to control the speed at which the second driving structure 60 drives the creel 3 to rotate.

[0054] Preferably, the speed adjustment knob 10 is electrically connected to the drive motor 601 .

[0055] More preferably, a beam splitter 50 is further provided on the bottom plate 1 , and the yarn 9 is separated by the beam splitter 50 .

[0056] Specifically, the line end card 321, the Hall sensor 603 and the beam splitter 50 in this embodiment are all existing technologies, and the field can make appropriate selections according to needs, and they only need to meet the requirements of use. The principles thereof will not be described in detail herein.

[0057] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A frequency conversion device for detecting the fixed length of glass fiber yarn. It is characterized in that include: A bottom plate, on which a partition plate and a bracket are installed; A fixing rod, the fixing rod is fixed on the bracket, and the fixing rod has a plurality of first threading rings distributed at equal intervals along its axial direction; A reciprocating rod, wherein the reciprocating rod is arranged in parallel with the fixed rod, and one end of the reciprocating rod is slidably mounted on the partition along its own axis, and the reciprocating rod has a plurality of second threading rings respectively matching with the plurality of first threading rings; A creel, which is rotatably mounted on the partition plate and is located on a side of the reciprocating rod away from the fixed rod; A first driving structure, the first driving structure is drivingly connected to the reciprocating rod and is used to drive the reciprocating rod to slide reciprocatingly along its own axial direction; The second driving structure is drivingly connected to the creel and is used for driving the creel to rotate.

2. The device for detecting the fixed length of glass fiber yarn by frequency conversion according to claim 1, It is characterized in that The creel comprises: A main shaft, one end of which is rotatably mounted on the partition; A plurality of winding racks are installed on the main shaft along the circumference of the main shaft.

3. The device for detecting the fixed length of glass fiber yarn by frequency conversion according to claim 2, It is characterized in that The second driving structure comprises: A driving motor, the driving motor is mounted on the bottom plate and drivingly connected to one end of the main shaft; An iron sheet, the iron sheet being mounted on the main shaft; A Hall sensor is installed on the partition and connected to the drive motor signal, and is used to sense and calculate the number of revolutions of the iron sheet following the spindle. When the spindle rotates a predetermined number of revolutions, the Hall sensor sends a stop signal to the drive motor.

4. The device for detecting the fixed length of glass fiber yarn by frequency conversion according to claim 3, It is characterized in that The driving motor and the main shaft are connected via a belt transmission structure.

5. The device for detecting the fixed length of glass fiber yarn by frequency conversion according to claim 4, It is characterized in that The belt transmission structure is a belt transmission structure with a transmission ratio greater than one.

6. The device for detecting the fixed length of glass fiber yarn by frequency conversion according to claim 1, It is characterized in that The first driving structure comprises: A reduction motor, wherein the reduction motor is mounted on the partition; A cam, the cam being mounted at an output end of the reduction motor and contacting one end of the reciprocating rod; A return spring is sleeved on the reciprocating rod, and one end of the return spring abuts against one end of the reciprocating rod, and the other end abuts against the partition.

7. The device for detecting the fixed length of glass fiber yarn by frequency conversion according to claim 2, It is characterized in that One of the winding frames is provided with a plurality of thread end cards for connecting the yarns.

8. The device for detecting the fixed length of glass fiber yarn by frequency conversion according to claim 1, It is characterized in that The partition plate is provided with a control panel, which is electrically connected to the first driving structure and the second driving structure respectively, and is used to control the first driving structure to drive the reciprocating rod to reciprocate and control the second driving structure to drive the creel to rotate.

9. The device for detecting the fixed length of glass fiber yarn by frequency conversion according to claim 1, It is characterized in that The bottom plate is also provided with a power switch, a start button and a stop button.

10. The device for detecting the fixed length of glass fiber yarn by frequency conversion according to claim 1, It is characterized in that The bottom plate also has a speed regulating knob, which is electrically connected to the second driving structure and is used to control the speed at which the second driving structure drives the creel to rotate.

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