A grain defect marking device for linen fabric inspection

By designing a grain defect marking device for linen fabric inspection, the device automatically aligns and marks grain defects on the fabric, solving the problem of time-consuming and labor-intensive manual marking in existing technologies, and improving inspection efficiency and marking accuracy.

CN224436324UActive Publication Date: 2026-06-30YIXING XINDONMAO TEXTILE TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YIXING XINDONMAO TEXTILE TECH CO LTD
Filing Date
2025-08-06
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

Existing testing equipment cannot simultaneously mark defects on the surface of linen fabric when they are detected, requiring manual marking, which affects testing efficiency.

Method used

A device was designed that includes a workbench, a fabric conveying component, a positioning component, and a grain marking component. By adjusting the position of the positioning component, the grain marking component is aligned with the defect. The dye in the storage tank is used to automatically mark the defect through the marking tube. Combined with the absorbent sponge, the dye is evenly applied to avoid contamination.

Benefits of technology

It achieves automated marking of grain defects, improves detection efficiency and marking accuracy, avoids the time-consuming and laborious manual marking, and ensures the cleanliness of linen fabrics.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a grain defect marking device for linen fabric inspection, including a worktable, a fabric conveying component, a positioning component, and a grain marking component. The fabric conveying component is used to convey the linen fabric to a position below the grain marking component. The positioning component is used to adjust the position of the grain marking component above the worktable. The grain marking component is used to mark grain defects on the surface of the linen fabric. This utility model has a reasonable structural design. A positioning component is set on the worktable to adjust the position of the grain marking component. When a grain defect is detected on the fabric surface, pressing the operating frame causes the storage tank to move downward inside the sliding sleeve. At this time, the marking tube contacts the grain defect. Continuing to press the operating frame causes the dye inside the storage tank to pass through the feed groove on the marking tube and form a ring mark around the grain defect, improving the convenience of grain defect detection in linen fabric.
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Description

Technical Field

[0001] This utility model relates to the technical field of textile testing equipment, specifically to a grain defect marking device for testing linen fabric. Background Technology

[0002] As is well known, during the production of grey fabric, due to factors such as the quality of the yarn raw materials themselves or the tiny fiber bundles floating and settling in the weaving workshop, some small fiber ends and segments inevitably remain on the surface of the grey fabric, forming slightly raised "grain" defects. After the grey fabric is processed through boiling, bleaching, and setting, these "grain" defects will become visible on the surface of the fabric. If these "grain" defects are not cleaned before being sent to the subsequent printing and dyeing process, "blemishes" will inevitably appear on the surface of the finished printed and dyed fabric. Among the various indicators for evaluating the quality of finished printed and dyed fabrics, surface defects of the fabric are a key focus. Therefore, it is necessary to mark the "blemishes" on the surface of the finished printed and dyed fabric to facilitate their removal.

[0003] In the existing technology, when the detection equipment detects grain defects on the surface of the fabric, it often cannot mark them simultaneously because the device itself does not have a marking function. As a result, the device cannot directly mark the detected defects, and manual marking is required, which is time-consuming and labor-intensive, affecting the detection efficiency of linen fabrics. Utility Model Content

[0004] To address the aforementioned technical problems, this utility model provides a grain defect marking device for detecting linen fabric defects.

[0005] The technical solution of this utility model is: a grain defect marking device for detecting linen fabric, including a workbench, a fabric conveying component and a positioning component disposed on the upper surface of the workbench, and a grain marking component disposed on the positioning component;

[0006] The fabric conveying component is used to convey the linen fabric to a position below the grain marking assembly; the positioning component is used to adjust the lateral and longitudinal movement of the grain marking assembly above the worktable.

[0007] The pellet marking assembly includes a support base mounted on a positioning component, a sliding sleeve engaged with the support base, a storage tank movably fitted inside the sliding sleeve, a conical sealing seat slidably engaged with the bottom of the storage tank, a marking tube located at the bottom of the conical sealing seat and penetrating the sliding sleeve, and an operating frame rotatably engaged with the outer wall of the sliding sleeve and connected to the storage tank; a pressure cap threaded to the top of the sliding sleeve abuts against the top of the storage tank, and a first compression spring fitted outside the marking tube and abutting against the bottom of the storage tank is located at the bottom of the sliding sleeve; a... It has a sealing plate adapted to the conical sealing seat, and a second compression spring is provided inside the storage tank to abut against the top of the conical sealing seat. Connecting columns that penetrate the sliding sleeve and are slidably engaged with the sliding sleeve are respectively provided on both sides of the outer wall of the storage tank. A feeding hole is provided at the top of the storage tank. A marking groove is provided inside the marking tube, and a feeding groove that communicates with the inside of the marking groove is provided at the upper end of the outer wall of the marking tube. A sealing ring is provided at the connection between the storage tank and the marking tube. A sliding slot is provided through the operating frame, and the operating frame is slidably engaged with the connecting column through the sliding slot.

[0008] Furthermore, the fabric conveying component includes a mounting frame disposed on one side of the upper surface of the workbench, two feeding rollers disposed vertically and parallel inside the mounting frame, and a fabric support roller disposed on the other side of the upper surface of the workbench via a vertical plate.

[0009] Instructions: When using, pass the linen fabric through the gap between the two feeding rollers, and then connect it to the external fabric winding device after passing through the fabric support roller. At this time, the linen fabric is stretched and flattened under the combined action of the feeding rollers and the external fabric winding device, which makes it easier to mark the grain defects on the surface of the linen fabric.

[0010] Furthermore, the positioning assembly includes a U-shaped positioning frame disposed on the upper surface of the workbench and located between the feeding roller and the support roller, a transverse sliding beam slidably engaged inside the U-shaped positioning frame via a sliding rod, and a longitudinal sliding seat slidably engaged on the lower surface of the transverse sliding beam; a detection window is provided through the outer wall of the positioning frame; the support seat is disposed at the rear end of the longitudinal sliding seat;

[0011] Note: By adjusting the positions of the transverse sliding beam and the longitudinal sliding seat according to the location of the grain defects on the linen fabric, the grain marking component is aligned with the grain defects, which helps to improve the marking efficiency of the grain defects.

[0012] Furthermore, an LED supplementary light is installed at the top inside the U-shaped positioning frame;

[0013] Note: By setting up LED fill lights, it is easy to clearly and accurately detect grain defects on linen fabric.

[0014] Furthermore, an annular groove communicating with the marking groove is provided at the bottom of the marking tube, and an absorbent sponge is engaged inside the annular groove;

[0015] Explanation: The dye inside the marking groove enters the annular groove through the marking groove and is absorbed by the absorbent sponge. Under the pressure of the absorbent sponge, the dye can be evenly applied to the outside of the grain defects, thereby preventing excessive dye from flowing out of the marking groove and contaminating the linen fabric.

[0016] Furthermore, a limit frame is slidably engaged on the inner side of the operating frame, and a third compression spring is provided on the inner side of the operating frame to abut against the limit frame; a limit slot is provided on the outer wall of the sliding sleeve to be movably engaged with the limit frame.

[0017] Note: When the sliding sleeve is moved inside the U-shaped positioning frame by the operating frame, the locking action of the limiting frame and the limiting slot keeps the storage tank stationary inside the sliding sleeve, thus preventing the operating frame from accidentally touching the storage tank and forming incorrect marks on the linen fabric surface during the movement of the sliding sleeve.

[0018] Furthermore, a support platform is provided on the upper surface of the workbench, located between the feeding roller and the support roller;

[0019] Explanation: The support platform is used to support the linen fabric, so that the marking tube can be pressed firmly against the linen fabric, which helps to improve the clarity of marking defects on the surface of the linen fabric.

[0020] The working principle of this utility model is as follows:

[0021] In use, water-based ink dye is injected into the storage tank through the feeding hole. The linen fabric is then passed through the gap between the two feeding rollers. After passing through the fabric support roller, the fabric connects to the external fabric winding equipment. At this time, the linen fabric is stretched and flattened under the combined action of the feeding rollers and the external fabric winding equipment. During the movement of the linen fabric, the surface condition of the linen fabric is detected by external detection equipment. When a grain defect appears on the fabric surface, the fabric feeding is stopped. According to the location of the grain defect on the linen fabric, the operating frame is pulled. By adjusting the position of the transverse sliding beam and the longitudinal sliding seat, the grain marking component is aligned with the grain defect. Finally, the operating frame is pressed, causing the storage tank to move downward inside the sliding sleeve. At this time, the marking tube contacts the grain defect. The operating frame is pressed further, causing the marking tube to push the conical sealing seat upward along the storage tank and then disengage from the sealing plate. The dye inside the storage tank flows through the feed groove on the marking tube and then through the marking groove to the grain defect, marking the grain defect.

[0022] Compared with the prior art, the beneficial effects of this utility model are reflected in the following aspects:

[0023] First, the structure of this utility model is reasonably designed. A positioning component for adjusting the position of the grain mark component is set on the workbench. When a grain defect is detected on the fabric surface, the storage tank moves downward inside the sliding sleeve by pressing the operating frame. At this time, the mark tube contacts the grain defect. Pressing the operating frame again causes the dye inside the storage tank to pass through the feed groove on the mark tube and form a ring mark around the grain defect, which improves the convenience of grain defect detection in linen fabric.

[0024] Secondly, by setting an annular groove and an absorbent sponge at the bottom of the marking tube, the dye inside the marking groove enters the annular groove and is absorbed by the absorbent sponge. Under the squeezing action, the absorbent sponge can evenly apply the dye to the outside of the grain defects, thereby avoiding excessive dye discharge from the marking groove and contaminating the linen fabric, thus improving the reliability of the present invention.

[0025] Third, this utility model utilizes the locking mechanism of the limiting frame and the limiting slot to ensure that when the operating frame pulls the sliding sleeve to move inside the U-shaped positioning frame, the storage tank remains stationary inside the sliding sleeve, thus preventing the operating frame from accidentally touching the storage tank and forming incorrect marks on the surface of the linen fabric during the movement of the sliding sleeve. Attached Figure Description

[0026] Figure 1 This is a longitudinal sectional view of the present invention;

[0027] Figure 2 This is the front view of this utility model;

[0028] Figure 3 This is a schematic diagram of the structure of the particle marking component of this utility model;

[0029] Figure 4 This is a schematic diagram of the structure of the marking tube of this utility model;

[0030] Figure 5 This is a schematic diagram showing the connection between the operating frame, the sliding sleeve, and the storage tank of this utility model;

[0031] Among them, 1-workbench, 10-support platform, 2-fabric conveying component, 20-mounting frame, 21-feeding roller, 22-fabric support roller, 220-vertical plate, 3-positioning component, 30-U-shaped positioning frame, 300-inspection window, 31-transverse sliding beam, 310-sliding rod, 32-longitudinal sliding seat, 4-particle marking component, 40-support seat, 41-sliding sleeve, 410-pressure cover, 411-first compression spring, 4 12-Limiting slot, 42-Storage tank, 420-Sealing platform, 421-Second compression spring, 422-Connecting column, 423-Feeding hole, 43-Conical sealing seat, 44-Marking tube, 440-Marking groove, 441-Feeding groove, 442-Sealing ring, 45-Operating frame, 450-Sliding slot, 451-Third compression spring, 46-Annular groove, 47-Absorbent sponge, 48-Limiting frame, 5-LED supplementary light. Detailed Implementation

[0032] Example 1

[0033] like Figure 1 The device shown is a grain defect marking device for detecting linen fabric, including a worktable 1, a fabric conveying component 2 and a positioning component 3 disposed on the upper surface of the worktable 1, and a grain marking component 4 disposed on the positioning component 3.

[0034] like Figure 1 As shown, the fabric conveying component 2 is used to convey the linen fabric to the area below the grain marking component 4; the positioning component 3 is used to adjust the lateral and longitudinal movement of the grain marking component 4 above the worktable 1; both the fabric conveying component 2 and the positioning component 3 are products of the prior art.

[0035] like Figure 2 , 3As shown in Figures 4 and 5, the particle marking assembly 4 includes a support base 40 mounted on the positioning assembly 3, a sliding sleeve 41 snapped onto the support base 40, a storage tank 42 movably fitted inside the sliding sleeve 41, a conical sealing seat 43 slidably snapped onto the bottom of the storage tank 42, a marking tube 44 located at the bottom of the conical sealing seat 43 and penetrating the sliding sleeve 41, and an operating frame 45 rotatably snapped onto the outer wall of the sliding sleeve 41 and connected to the storage tank 42; a pressure cap 410 threaded to the top of the sliding sleeve 41 abuts against the top of the storage tank 42, and a first compression spring 411 fitted outside the marking tube 44 and abutting against the bottom of the storage tank 42 is provided at the bottom of the sliding sleeve 41; a cone-shaped sealing seat 43 slidably snapped onto the bottom of the storage tank 42 is provided at the bottom of the storage tank 42. A sealing plate 420 adapted to the conical sealing seat 43 is provided inside the storage tank 42, which abuts against the top of the conical sealing seat 43. Connecting posts 422 that penetrate the sliding sleeve 41 and are slidably engaged with the sliding sleeve 41 are respectively provided on both sides of the outer wall of the storage tank 42. A feeding hole 423 is provided at the top of the storage tank 42. A marking groove 440 is provided inside the marking tube 44. A feeding groove 441 that communicates with the inside of the marking groove 440 is provided at the upper end of the outer wall of the marking tube 44. A sealing ring 442 is provided at the connection between the storage tank 42 and the marking tube 44. A sliding groove 450 is provided through the operating frame 45, and the operating frame 45 is slidably engaged with the connecting posts 422 through the sliding groove 450.

[0036] Example 2

[0037] The difference between this embodiment and Embodiment 1 is that:

[0038] like Figure 1 As shown, the fabric conveying component 2 includes a mounting frame 20 disposed on one side of the upper end face of the workbench 1, two feeding rollers 21 disposed vertically and parallel inside the mounting frame 20, and a fabric support roller 22 disposed on the other side of the upper end face of the workbench 1 via a vertical plate 220. The linen fabric is passed through the gap between the two feeding rollers 21, and then through the fabric support roller 22 and connected to the external fabric winding equipment. At this time, the linen fabric is stretched and flattened under the combined action of the feeding rollers 21 and the external fabric winding equipment, which makes it easier to mark the grain defects on the surface of the linen fabric.

[0039] Example 3

[0040] The difference between this embodiment and Embodiment 2 is that:

[0041] like Figure 1 , 2As shown, the positioning component 3 includes a U-shaped positioning frame 30 disposed on the upper surface of the workbench 1 and located between the feeding roller 21 and the support roller 22, a transverse sliding beam 31 slidably engaged with the inside of the U-shaped positioning frame 30 via a sliding rod 310, and a longitudinal sliding seat 32 slidably engaged with the lower surface of the transverse sliding beam 31; a detection window 300 is provided through the outer wall of the positioning frame 30; the support seat 40 is disposed at the rear end of the longitudinal sliding seat 32; according to the position of the grain defects on the linen fabric, by adjusting the positions of the transverse sliding beam 31 and the longitudinal sliding seat 32, the grain marking component 4 is positioned directly opposite the grain defects, which helps to improve the marking efficiency of the grain defects.

[0042] Example 4

[0043] The difference between this embodiment and embodiment 3 is that:

[0044] like Figure 1 As shown, an LED fill light 5 is installed at the top inside the U-shaped positioning frame 30. The LED fill light 5 is a product of the existing technology. By setting the LED fill light 5, it is easy to clearly and accurately detect the grain defects on the linen fabric.

[0045] Example 5

[0046] The difference between this embodiment and embodiment 4 is that:

[0047] like Figure 4 As shown, the bottom end of the marking tube 44 is provided with an annular groove 46 that is connected to the marking groove 440. An absorbent sponge 47 is engaged inside the annular groove 46. The dye inside the marking groove 440 (it should be noted that this application does not make any improvement to the dye) enters the annular groove 46 through the marking groove 440 and is absorbed by the absorbent sponge 47. Under the squeezing action, the absorbent sponge 47 can evenly apply the dye to the outside of the grain defects, thereby avoiding excessive dye discharge from the marking groove 440 and contaminating the linen fabric.

[0048] Example 6

[0049] The difference between this embodiment and embodiment 5 is that:

[0050] like Figure 5 As shown, the operating frame 45 is slidably engaged with the limiting frame 48 on its inner side, and a third compression spring 451 is provided on the inner side of the operating frame 45 to abut against the limiting frame 48; a limiting slot 412 is provided on the outer wall of the sliding sleeve 41 to be movably engaged with the limiting frame 48; when the operating frame 45 pulls the sliding sleeve 41 to move inside the U-shaped positioning frame 30, the engaging action of the limiting frame 48 and the limiting slot 412 keeps the storage tank 42 stationary inside the sliding sleeve 41, thus preventing the operating frame 45 from accidentally touching the storage tank 42 during the movement of the sliding sleeve 41 and forming incorrect marks on the surface of the linen fabric.

[0051] Example 7

[0052] The difference between this embodiment and embodiment 6 is that:

[0053] like Figure 1 As shown, a support platform 10 is provided on the upper surface of the worktable 1 and between the feeding roller 21 and the support roller 22; the support platform 10 is used to support the linen fabric, so that the marking tube 44 can press the linen fabric tightly, which helps to improve the marking clarity of the grain defects on the surface of the linen fabric.

Claims

1. A device for marking burl defects on flax fabric, characterized by It includes a worktable (1), a fabric conveying component (2) disposed on the upper surface of the worktable (1), a positioning component (3), and a grain marking component (4) disposed on the positioning component (3); The fabric conveying component (2) is used to convey the linen fabric to the area below the grain marking component (4); the positioning component (3) is used to adjust the grain marking component (4) to move laterally and longitudinally above the worktable (1); The particle marking assembly (4) includes a support base (40) mounted on the positioning assembly (3), a sliding sleeve (41) snapped onto the support base (40), a storage tank (42) movably fitted inside the sliding sleeve (41), a conical sealing seat (43) slidably snapped onto the bottom of the storage tank (42), a marking tube (44) located at the bottom of the conical sealing seat (43) and penetrating the sliding sleeve (41), and an operating frame (45) rotatably snapped onto the outer wall of the sliding sleeve (41) and connected to the storage tank (42); a first compression spring (411) is provided at the bottom of the sliding sleeve (41) and abuts against the bottom of the storage tank (42); the bottom of the storage tank (42) is provided with... A sealing plate (420) adapted to the conical sealing seat (43) is provided. A second compression spring (421) abutting against the top of the conical sealing seat (43) is provided inside the storage tank (42). Connecting columns (422) penetrating the sliding sleeve (41) are respectively provided on both sides of the outer wall of the storage tank (42). A marking groove (440) is provided inside the marking tube (44). A feeding groove (441) communicating with the inside of the marking groove (440) is provided at the upper end of the outer wall of the marking tube (44). A sliding groove (450) is provided through the operating frame (45). The operating frame (45) is slidably engaged with the connecting column (422) through the sliding groove (450).

2. A device for marking burl defects on flax fabric according to claim 1, characterized in that, The fabric conveying component (2) includes a mounting frame (20) disposed on one side of the upper end face of the workbench (1), two feeding rollers (21) disposed vertically inside the mounting frame (20), and a fabric support roller (22) disposed on the other side of the upper end face of the workbench (1) via a vertical plate (220).

3. A device for marking burl defects on flax fabric according to claim 2, characterized in that, The positioning component (3) includes a U-shaped positioning frame (30) disposed on the upper end face of the workbench (1) and located between the feeding roller (21) and the support roller (22), a transverse sliding beam (31) slidably engaged with the inside of the U-shaped positioning frame (30) by a sliding rod (310), and a longitudinal sliding seat (32) slidably engaged with the lower bottom surface of the transverse sliding beam (31); a detection window (300) is provided through the outer wall of the positioning frame (30), and the support seat (40) is disposed at the rear end of the longitudinal sliding seat (32).

4. A grain defect marking device for detecting linen fabric according to claim 3, characterized in that, An LED fill light (5) is installed at the top inside the U-shaped positioning frame (30).

5. A grain defect marking device for detecting linen fabric according to claim 1, characterized in that, The bottom end of the marking tube (44) is provided with an annular groove (46) that is in communication with the marking groove (440), and an absorbent sponge (47) is inserted inside the annular groove (46).

6. A grain defect marking device for detecting linen fabric according to claim 1, characterized in that, The operating frame (45) is slidably engaged with the limiting frame (48) on its inner side, and a third compression spring (451) is provided on the inner side of the operating frame (45) to abut against the limiting frame (48); a limiting slot (412) is provided on the outer wall of the sliding sleeve (41) to be movably engaged with the limiting frame (48).

7. A grain defect marking device for detecting linen fabric according to claim 2, characterized in that, A support platform (10) is provided on the upper surface of the workbench (1) and between the feeding roller (21) and the support roller (22).