Yarn evenness measuring device
By setting the brushes of the upper cleaning box and the lower cleaning box in the yarn dry uniformity measurement device to clean the impurities on the yarn surface, and using the compression mechanism and the pulley drive belt to maintain the yarn tension and stable transportation, the measurement deviation problems caused by misjudgment of the measuring device and yarn jitter are solved, and the measurement accuracy is improved.
Patent Information
- Application Number
- CN202421457859.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-25
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-06-25
AI Technical Summary
The existing yarn dry uniformity measurement devices are susceptible to external plush or impurities attached to the yarn during measurement, resulting in misjudgment and deviation of measurement results. At the same time, the yarn will shake due to tension or transmission speed during the transportation process, resulting in unstable position and affecting measurement accuracy.
A yarn dry uniformity measurement device is designed, including an upper cleaning box and a lower cleaning box, a brush to clean impurities on the yarn surface, and maintain yarn tension through a pressing mechanism, and a pulley and a transmission belt to ensure stable yarn transport.
It effectively avoids the detection equipment from misjudging the yarn attachment as characteristics or defects, improves the measurement accuracy, and reduces the deviation of the measurement results by maintaining the yarn tension and stable transportation.
Smart Images
Figure CN223051194U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of textile yarns, and particularly relates to a device for measuring the evenness of yarn linear density. Background Technique
[0002] Evenness refers to the main line of yarns and slivers. The evenness of the thickness or weight of a yarn, sliver or roving within a relatively short axial segment is called the evenness of linear density. The quality of textiles is closely related to the evenness of yarn linear density. When weaving with uneven linear density, various defects and stripes will appear on the fabric, affecting the appearance quality. Therefore, during the production process of yarns, it is necessary to measure the evenness of yarn linear density.
[0003] When the existing measuring device is measuring, since the yarn may adhere to some external fluff or impurities during the production process, the detection device may misjudge these attachments as the characteristics or defects of the yarn itself, thus affecting the accuracy of detection. At the same time, during the process of transporting the yarn to the measuring mechanism, the yarn will vibrate to a certain extent under the influence of tension or transmission speed, which will further cause the position of the yarn to be unstable during the measurement process, and may cause deviation of the measurement result. Therefore, a device for measuring the evenness of yarn linear density is proposed to solve the above problems. Content of the Utility Model
[0004] To solve the above technical problems, a device for measuring the evenness of yarn linear density is provided. This technical solution solves the problems in the above background technique that when the existing measuring device is measuring, since the yarn may adhere to some external fluff or impurities during the production process, the detection device may misjudge these attachments as the characteristics or defects of the yarn itself, thus affecting the accuracy of detection. At the same time, during the process of transporting the yarn to the measuring mechanism, the yarn will vibrate to a certain extent under the influence of tension or transmission speed, which will further cause the position of the yarn to be unstable during the measurement process, and may cause deviation of the measurement result.
[0005] To achieve the above purposes, the technical solution adopted by the utility model is as follows:
[0006] A device for measuring the evenness of yarn linear density, including a workbench, two first brackets are fixedly connected to the upper end of the workbench, pressing mechanisms are arranged on both the left and right sides of the first brackets, and a dust removal mechanism is arranged on the right side of the pressing mechanism on the right;
[0007] Among them, the dust removal mechanism includes a U-shaped frame and a base, both the U-shaped frame and the base are fixedly connected to the upper end of the workbench. A lower cleaning box is fixedly connected to the upper end of the base. Guide rods are fixedly connected to the four corners of the upper end of the lower cleaning box, and the other ends of the guide rods are fixedly connected to the inner top end of the U-shaped frame. An upper cleaning box is slidably connected to the outer surface of the guide rods. Wire holes are respectively formed through the left and right ends of the upper cleaning box and the lower cleaning box, and a plurality of brushes are fixedly connected inside the upper cleaning box and the lower cleaning box.
[0008] Preferably, an electric telescopic rod is fixedly connected to the inner top end of the U-shaped frame, the output end of the electric telescopic rod is fixedly connected to the upper end of the upper cleaning box, a dust suction pipe is fixedly connected to the front end of the lower cleaning box, the other end of the dust suction pipe is fixedly connected to a dust suction box, and the dust suction box is fixedly installed on the upper end of the workbench.
[0009] Preferably, the pressing mechanism includes a fixed frame fixedly connected to the upper end of the workbench. A lead screw is rotatably connected inside the fixed frame, and a sliding seat that fits against the inner wall of the fixed frame is threadedly connected to the outer surface of the lead screw.
[0010] Preferably, a lower pressing block is fixedly connected to the upper end of the sliding seat. Springs are fixedly connected to the four corners of the upper end of the lower pressing block, and the other ends of the springs are fixedly connected to an upper pressing block, and the lower end of the upper pressing block abuts against the upper end of the lower pressing block.
[0011] Preferably, a plurality of limiting holes are respectively formed through the left sides of the upper pressing block and the lower pressing block, the aperture of the limiting holes increases sequentially from front to back, and a handle is fixedly connected to the upper end of the upper pressing block.
[0012] Preferably, a fixed rod is fixedly connected to the inside of the first bracket. A fixed block is fixedly connected between the two fixed rods. A measuring hole is formed through the left side of the fixed block, and an installation groove is formed through the upper end of the fixed block. A camera is arranged inside the installation groove.
[0013] Preferably, two second brackets are arranged on the left side of the left pressing mechanism and the right side of the dust removal mechanism. The second brackets are fixedly connected to the upper end of the workbench. A rotating shaft is rotatably connected between the two second brackets. One end of the rotating shaft penetrates through the inside of the front second bracket and is fixedly connected to a pulley, and a transmission belt is sleeved on the outer surfaces of the two pulleys.
[0014] Preferably, a winding drum is fixedly connected to the outer surface of the right rotating shaft, and a rewinding drum is fixedly connected to the outer surface of the left rotating shaft.
[0015] The beneficial effects of the present utility model compared with the prior art are:
[0016] This solution proposes a yarn evenness measuring device. An upper cleaning box and a lower cleaning box are provided in the device. When the yarn passes through the wire holes and passes through the upper cleaning box and the lower cleaning box, the brushes inside the upper cleaning box and the lower cleaning box will clean the external fluff or impurities attached to the surface of the yarn, avoiding misjudgment by the detection equipment that these attachments are the characteristics or defects of the yarn itself, thereby affecting the accuracy of the detection.
[0017] In this solution, a pressing mechanism is provided. During measurement, the yarn is stretched to a certain tension, and the yarn on both sides of the fixed block is pressed by the upper pressing block and the lower pressing block, so that the yarn can maintain a certain tension during measurement. And the setting of the belt pulley and the transmission belt can make the external motor drive the unwinding reel and the winding reel to rotate synchronously, so that the yarn is transported at a stable speed, thereby reducing the deviation of the measurement result caused by the yarn jitter. Description of the Drawings
[0018] Figure 1 is a schematic structural diagram of the present utility model;
[0019] Figure 2 is a schematic structural diagram of the dust removal mechanism in the present utility model;
[0020] Figure 3 is Figure 2 a partial enlarged schematic diagram of part A in
[0021] Figure 4 is a schematic structural diagram of the pressing mechanism in the present utility model;
[0022] Figure 5 is a schematic structural diagram of the fixed block in the present utility model;
[0023] Figure 6 is a schematic structural diagram of the belt pulley in the present utility model.
[0024] The reference numerals in the figure are:
[0025] 1, workbench;
[0026] 2, dust removal mechanism; 201, U-shaped frame; 202, base; 203, dust suction box; 204, lower cleaning box; 205, guide rod; 206, upper cleaning box; 207, electric telescopic rod; 208, brush; 209, dust suction pipe;
[0027] 3, pressing mechanism; 301, fixed frame; 302, lead screw; 303, sliding seat; 304, lower pressing block; 305, spring; 306, upper pressing block; 307, handle; 308, limit hole;
[0028] 4. First support; 5. Fixed rod; 6. Fixed block; 7. Measurement hole; 8. Installation groove; 9. Camera; 10. Second support; 11. Rotating shaft; 12. Belt pulley; 13. Transmission belt; 14. Pay-off reel; 15. Take-up reel. Detailed implementation manners
[0029] The following description is used to disclose the present utility model so that those skilled in the art can implement the present utility model. The preferred embodiments in the following description are only examples, and those skilled in the art can think of other obvious variations.
[0030] Referring to Figure 1 and Figure 5 As shown, a yarn evenness measurement device includes a workbench 1. Two first supports 4 are fixedly connected to the upper end of the workbench 1. A fixed rod 5 is fixedly connected to the inner side of the first support 4. A fixed block 6 is fixedly connected between the two fixed rods 5. A measurement hole 7 is penetrated through the left side of the fixed block 6. An installation groove 8 is penetrated through the upper end of the fixed block 6. A camera 9 is arranged inside the installation groove 8. The camera 9 is used to scan the yarn and feed back the information to the computer. By analyzing the data through the computer, the evenness of the yarn can be measured.
[0031] Referring to Figure 1 、 Figure 2 and Figure 3 As shown, pressing mechanisms 3 are arranged on both the left and right sides of the first support 4, and a dust removal mechanism 2 is arranged on the right side of the right pressing mechanism 3;
[0032] Among them, the dust removal mechanism 2 includes a U-shaped frame 201 and a base 202. The U-shaped frame 201 and the base 202 are both fixedly connected to the upper end of the workbench 1. A lower cleaning box 204 is fixedly connected to the upper end of the base 202. Guide rods 205 are fixedly connected to the four corners of the upper end of the lower cleaning box 204. The other ends of the guide rods 205 are fixedly connected to the inner top end of the U-shaped frame 201. An upper cleaning box 206 is slidably connected to the outer surface of the guide rod 205. Wire holes are penetrated through the left and right ends of the upper cleaning box 206 and the lower cleaning box 204. A plurality of brushes 208 are fixedly connected inside the upper cleaning box 206 and the lower cleaning box 204. When the yarn passes through the wire holes and passes through the upper cleaning box 206 and the lower cleaning box 204, the brushes 208 inside the upper cleaning box 206 and the lower cleaning box 204 will clean the external fluff or impurities attached to the surface of the yarn, avoiding misjudgment of these attachments as the characteristics or defects of the yarn itself by the detection equipment, thereby affecting the accuracy of the detection.
[0033] Further, an electric telescopic rod 207 is fixedly connected to the inner top end of the U-shaped frame 201. The output end of the electric telescopic rod 207 is fixedly connected to the upper end of the upper cleaning box 206. The electric telescopic rod 207 can pull the upper cleaning box 206 upward, leaving a certain distance between the upper cleaning box 206 and the lower cleaning box 204, facilitating the placement of the yarn into the wire hole. A dust suction pipe 209 is fixedly connected to the front end of the lower cleaning box 204. The other end of the dust suction pipe 209 is fixedly connected to a dust suction box 203. The dust suction box 203 is fixedly installed on the upper end of the workbench 1. The fluff or impurities cleaned out can be collected through the dust suction pipe 209 and the dust suction box 203, facilitating cleaning.
[0034] Refer to Figure 1 and Figure 4 As shown, the pressing mechanism 3 includes a fixed frame 301 fixedly connected to the upper end of the workbench 1. A lead screw 302 is rotatably connected inside the fixed frame 301. A sliding seat 303 that fits against the inner wall of the fixed frame 301 is threadedly connected to the outer surface of the lead screw 302. An upper pressing block 306 is fixedly connected to the upper end of the sliding seat 303. Springs 305 are fixedly connected to the four corners of the upper end of the upper pressing block 306. The other end of the spring 305 is fixedly connected to a lower pressing block 304. The lower end of the upper pressing block 306 abuts against the upper end of the lower pressing block 304. A plurality of limiting holes 308 are respectively formed through the left sides of the upper pressing block 306 and the lower pressing block 304. The aperture of the limiting hole 308 gradually increases from front to back. A handle 307 is fixedly connected to the upper end of the upper pressing block 306.
[0035] Further, the yarn can be pressed by the upper pressing block 306 and the lower pressing block 304, so that the yarn can maintain a certain tension during measurement. Driving the lead screw 302 to rotate through an external motor can drive the sliding seat 303 to slide, so as to align the limiting holes 308 with different apertures with the measuring hole 7. By changing the limiting holes 308 of different sizes, yarns of different specifications can be adapted.
[0036] Refer to Figure 1 and Figure 6 As shown, two second brackets 10 are respectively arranged on the left side of the left pressing mechanism 3 and the right side of the dust removing mechanism 2. The second brackets 10 are fixedly connected to the upper end of the workbench 1. A rotating shaft 11 is rotatably connected between the two second brackets 10. One end of the rotating shaft 11 penetrates through the inner side of the front second bracket 10 and is fixedly connected to a belt pulley 12. A transmission belt 13 is sleeved on the outer surfaces of the two belt pulleys 12. A yarn unwinding reel 14 is fixedly connected to the outer surface of the right rotating shaft 11. A yarn winding reel 15 is fixedly connected to the outer surface of the left rotating shaft 11. An external motor can drive the yarn unwinding reel 14 to rotate. Under the action of the belt pulley 12 and the transmission belt 13, the yarn winding reel 15 will rotate synchronously with the yarn unwinding reel 14. Through the conveyance of the yarn unwinding reel 14 and the yarn winding reel 15, the yarn can be conveyed at a stable speed.
[0037] Working principle: When this device is in use, first take one end of the yarn off the unwinding reel 14, pass it through the wire hole, the limiting hole 308 on the right, the measuring hole 7 and the limiting hole 308 on the left in sequence and wind it around the winding reel 15. Then drive the unwinding reel 14 to rotate through an external motor. Under the action of the belt pulley 12 and the transmission belt 13, the winding reel 15 will rotate synchronously with the unwinding reel 14 to convey the yarn. When the yarn passes through the measuring hole 7, the camera 9 will scan the yarn and send the information to the computer. The evenness of the yarn can be obtained by analyzing the data through the computer.
[0038] The above shows and describes the basic principle, main features and advantages of the present utility model. Those skilled in the art of this industry should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification is only the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection required by the present utility model is defined by the appended claims and their equivalents.
Claims
1. A yarn evenness measuring device, characterized in that: It comprises a workbench (1), the upper end of the workbench (1) is fixedly connected to two first brackets (4), the left and right sides of the first bracket (4) are both provided with a clamping mechanism (3), and the right side of the right clamping mechanism (3) is provided with a dust removal mechanism (2); The dust removal mechanism (2) comprises a U-shaped frame (201) and a base (202), the U-shaped frame (201) and the base (202) are both fixedly connected to the upper end of the workbench (1), the upper end of the base (202) is fixedly connected to a lower cleaning box (204), the four corners of the upper end of the lower cleaning box (204) are fixedly connected to guide rods (205), the other end of the guide rod (205) is fixedly connected to the inner top end of the U-shaped frame (201), the outer surface of the guide rod (205) is slidably connected to an upper cleaning box (206), the left and right ends of the upper cleaning box (206) and the lower cleaning box (204) are both penetrated with wire holes, and the interiors of the upper cleaning box (206) and the lower cleaning box (204) are both fixedly connected to a plurality of brushes (208).
2. A yarn evenness measuring device according to claim 1, characterized in that: The inner top end of the U-shaped frame (201) is fixedly connected to an electric telescopic rod (207), the output end of the electric telescopic rod (207) is fixedly connected to the upper end of the upper cleaning box (206), the front end of the lower cleaning box (204) is fixedly connected to a dust suction pipe (209), the other end of the dust suction pipe (209) is fixedly connected to a dust suction box (203), and the dust suction box (203) is fixedly installed on the upper end of the workbench (1).
3. The yarn evenness measuring device according to claim 1, characterized in that: The clamping mechanism (3) comprises a fixed frame (301) fixedly connected to the upper end of the workbench (1); a screw rod (302) is rotatably connected inside the fixed frame (301); and a sliding seat (303) is threadedly connected on the outer surface of the screw rod (302) and is in contact with the inner wall of the fixed frame (301).
4. A yarn evenness measuring device according to claim 3, characterized in that: The upper end of the sliding seat (303) is fixedly connected to a lower pressing block (304), the four corners of the upper end of the lower pressing block (304) are fixedly connected to springs (305), the other end of the spring (305) is fixedly connected to an upper pressing block (306), and the lower end of the upper pressing block (306) abuts against the upper end of the lower pressing block (304).
5. A yarn evenness measuring device according to claim 4, characterized in that: A plurality of limiting holes (308) are provided through the left sides of the upper pressing block (306) and the lower pressing block (304), and the diameters of the limiting holes (308) increase from front to back. A handle (307) is fixedly connected to the upper end of the upper pressing block (306).
6. The yarn evenness measuring device according to claim 1, characterized in that: A fixing rod (5) is fixedly connected to the inner side of the first bracket (4), a fixing block (6) is fixedly connected between the two fixing rods (5), a measuring hole (7) is provided through the left side of the fixing block (6), a mounting groove (8) is provided through the upper end of the fixing block (6), and a camera (9) is arranged inside the mounting groove (8).
7. The yarn evenness measuring device according to claim 1, characterized in that: Two second brackets (10) are arranged on the left side of the pressing mechanism (3) on the left side and on the right side of the dust removal mechanism (2). The second bracket (10) is fixedly connected to the upper end of the workbench (1). A rotating shaft (11) is rotatably connected between the two second brackets (10). One end of the rotating shaft (11) passes through the inner side of the second bracket (10) on the front side and is fixedly connected to a pulley (12). The outer surfaces of the two pulleys (12) are sleeved with transmission belts (13).
8. A yarn evenness measuring device according to claim 7, characterized in that: The outer surface of the right rotating shaft (11) is fixedly connected with a reel-out drum (14), and the outer surface of the left rotating shaft (11) is fixedly connected with a reel-in drum (15).