Strength testing device for linen yarn detection

Abstract

The utility model relates to the technical field of yarn performance detection equipment, in particular to a strength testing device for linen yarn detection, which comprises a testing machine body, a stand column is fixedly connected onto the testing machine body, a screw rod is rotatably connected into the stand column, a sliding seat is in threaded connection onto the screw rod, and the sliding seat is slidably connected with the stand column. A mounting groove is formed in the sliding seat, a mounting block is slidably connected in the mounting groove, a clamping groove is formed in the mounting block, a clamping block is clamped in the clamping groove, the clamping block is slidably connected to the sliding seat, a tension sensor is fixedly connected to the bottom end of the mounting block, and a testing structure is mounted at the bottom end of the tension sensor; the mounting block at the top end of the tension sensor is clamped with the sliding seat, so that the tension sensor and the test structure are quickly mounted, then the clamping block on the sliding seat is clamped with the mounting block, and the mounting block is further fixed, so that the tension sensor is stably and firmly mounted.

Description

TECHNICAL FIELD

[0001] The utility model relates to a strength testing device, concretely is a strength testing device for flax yarn detection belongs to yarn performance detection equipment technical field. BACKGROUND

[0002] Flax yarn is the yarn that is spun out of flax fiber, and flax yarn is an important textile raw material among natural yarns, is the yarn with greater Young's modulus among natural yarns, has excellent moisture absorption, small static electricity, strong warmth retention, and advantages of corrosion resistance and heat resistance. In the production of flax yarn, in order to ensure product quality, the strength of flax yarn needs to be tested by a strength testing device for flax yarn detection before delivery. In the testing process, the tension force borne by the flax yarn is converted into an electric signal by a force sensor, and the electric signal is displayed on a display screen. At the same time, a certain mechanism generates a digital pulse proportional to the deformation of the yarn, and the deformation of the yarn is displayed through a counting circuit. Ultimately, a load-elongation curve can be drawn to intuitively display the mechanical properties of the flax yarn.

[0003] However, the tension sensor on the traditional testing device is fixedly connected to the sliding seat. When the tension sensor needs to be repaired, the bolts fixing the tension sensor need to be disassembled one by one. Since the installation space between the sliding seat and the tension sensor is narrow, the disassembly of the bolts is relatively cumbersome and laborious. Therefore, the tension sensor is inconvenient to disassemble, repair or replace. UTILITY MODEL CONTENTS

[0004] The utility model discloses a strength testing device for flax yarn detection, which is characterized by the following technical solutions. The mounting block at the top end of the tension sensor is engaged with the sliding seat, thereby quickly achieving the installation of the tension sensor and the testing structure. Then, the clamping block on the sliding seat is engaged with the mounting block, thereby further fixing the mounting block, so that the tension sensor is stably and firmly installed.

[0005] The utility model discloses a strength testing device for flax yarn detection, which is characterized by the following technical solutions. The mounting block at the top end of the tension sensor is engaged with the sliding seat, thereby quickly achieving the installation of the tension sensor and the testing structure. Then, the clamping block on the sliding seat is engaged with the mounting block, thereby further fixing the mounting block, so that the tension sensor is stably and firmly installed.

[0006] Preferably, the cross section of the mounting groove is in a trapezoidal structure, and the cross section of the mounting block is in a trapezoidal structure.

[0007] Preferably, the end of the card block is provided with a beveled structure, and the card block as a whole is in the shape of an "L".

[0008] Preferably, a guide rod is fixedly connected to the slide block, the locking block is slidably connected to the guide rod, a tension spring is sleeved on the outside of the guide rod, and the tension spring is fixedly connected between the slide block and the locking block.

[0009] Preferably, a motor is installed at the bottom of the testing machine body, and the output shaft of the motor is fixedly connected to the bottom of the lead screw.

[0010] Preferably, the column has two sliding grooves, and protrusions are slidably connected in the sliding grooves. The two protrusions are respectively fixedly connected to both sides of the slide block.

[0011] Preferably, the test structure includes two support frames. One support frame is installed at the bottom of the tensile sensor. A fixing plate is fixedly connected to the test machine body. The other support frame is installed on the fixing plate. A screw is fixedly connected to the support frame. A threaded sleeve is threadedly connected to the screw. A rotating rod is slidably connected to the threaded sleeve.

[0012] Preferably, a fixed wheel is fixedly connected to the support frame, and the cross-section of the fixed wheel is in the shape of an "I".

[0013] Preferably, two accordion covers are installed between the two sides of the slide and the column, the column is provided with a scale strip, and the test machine body is equipped with a control console.

[0014] The beneficial effects of this utility model are as follows: A column is fixedly connected to the main body of the testing machine, a lead screw is rotatably connected inside the column, a slide is threaded onto the lead screw, the slide is slidably connected to the column, an installation groove is provided on the slide, an installation block is slidably connected in the installation groove, a locking slot is provided on the installation block, a locking block is engaged in the locking slot, the locking block is slidably connected to the slide, and a tension sensor is fixedly connected to the bottom end of the installation block; by engaging the installation block at the top of the tension sensor with the slide, the tension sensor and the testing structure can be quickly installed, and then the locking block on the slide engages with the installation block to further fix the installation block, thereby making the tension sensor installed stably and firmly. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 for Figure 1 The diagram shows an enlarged view of part A.

[0017] Figure 3The connecting structure schematic diagram of the slide and the column of the utility model is shown in the figure.

[0018] Figure 4 The connecting structure schematic diagram of the slide and the column of the utility model is shown in the figure. Figure 3 The enlarged structure schematic diagram of B part is shown in the figure.

[0019] Figure 5 The connecting structure schematic diagram of the slide and the column of the utility model is shown in the figure.

[0020] Figure 6 The connecting structure schematic diagram of the slide and the column of the utility model is shown in the figure. Figure 5 The enlarged structure schematic diagram of C part is shown in the figure.

[0021] Figure 7 The connecting structure schematic diagram of the slide and the column of the utility model is shown in the figure.

[0022] In the figure: 1, test machine body; 2, column; 3, test structure; 301, fixed plate; 302, support frame; 303, fixed wheel; 304, screw rod; 305, threaded sleeve; 306, rotating rod; 4, driving structure; 401, screw rod; 402, slide; 403, motor; 404, protruding block; 405, sliding groove; 5, control console; 6, organ cover; 7, mounting structure; 701, mounting groove; 702, mounting block; 703, clamping block; 704, guide rod; 705, tension spring; 706, clamping groove; 8, tension sensor; 9, scale bar. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1-7As shown, a kind of flax yarn detection strength testing device, including testing machine body 1, testing machine body 1 is fixedly connected with stand 2, the driving structure 4 is installed on the stand 2, the driving structure 4 includes lead screw 401, the lead screw 401 is rotatably connected in the stand 2, the sliding seat 402 is threadedly connected on the lead screw 401, the sliding seat 402 is slidably connected with stand 2, the mounting structure 7 is installed on the sliding seat 402, the mounting structure 7 includes installation groove 701, the installation groove 701 is set on the sliding seat 402, the mounting block 702 is slidably connected in the installation groove 701, the clamping groove 706 is set on the mounting block 702, the clamping block 703 is clamped in the clamping groove 706, the clamping block 703 is slidably connected to sliding seat 402, the bottom of the mounting block 702 is fixedly connected with tension sensor 8, the bottom of the tension sensor 8 is installed with test structure 3.

[0025] As a technical optimization scheme of the utility model, the cross section of the installation groove 701 is trapezoidal structure, the cross section of the mounting block 702 is trapezoidal structure, the end of the clamping block 703 is provided with inclined plane structure, the clamping block 703 is overall " L " shape structure, the sliding seat 402 is fixedly connected with guide rod 704, the clamping block 703 is slidably connected to guide rod 704, the external guide rod 704 is equipped with tension spring 705, and the tension spring 705 is fixedly connected between sliding seat 402 and clamping block 703;When it is necessary to install tension sensor 8, the mounting block 702 at the top end of tension sensor 8 is slid into installation groove 701, since installation groove 701 and mounting block 702 are all trapezoidal structure, mounting block 702 cannot slide off from the both sides or bottom of sliding seat 402, so that mounting block 702 is stably installed, since the end of clamping block 703 is provided with inclined plane structure and has guiding effect, when mounting block 702 is clamped into installation groove 701, mounting block 702 abuts clamping block 703 and slides to the outside of sliding seat 402, clamping block 703 drives tension spring 705 to elongate, when the clamping groove 706 on mounting block 702 is aligned with clamping block 703, tension spring 705 resets and drives clamping block 703 to be clamped into clamping groove 706, so as to further reinforce the installation of mounting block 702, so that tension sensor 8 is more stably and firmly installed, and the installation and dismounting of tension sensor 8 are facilitated, routine maintenance and replacement are facilitated, the setting of guide rod 704 has guiding effect to clamping block 703, so that clamping block 703 slides more stably.

[0026] As a technical optimization of this utility model, a motor 403 is installed at the bottom of the testing machine body 1. The output shaft of the motor 403 is fixedly connected to the bottom of the lead screw 401. When the motor 403 is started, the motor 403 drives the lead screw 401 to rotate. The lead screw 401 drives the slide block 402 to slide. The slide block 402 drives the tension sensor 8 and the support frame 302 installed at the bottom of the tension sensor 8 to move upward through the mounting structure 7. The support frame 302 drives the flax thread to be stretched upward through the fixed wheel 303. Then, the tension sensor 8 detects the magnitude of the tension force borne by the flax thread through the reverse force of the flax thread, and then transmits it to the control console 5 to obtain the test data.

[0027] As a technical optimization of this utility model, two sliding grooves 405 are provided on the column 2, and protrusions 404 are slidably connected in the sliding grooves 405. The two protrusions 404 are respectively fixedly connected to both sides of the slide block 402. When the lead screw 401 drives the slide block 402 to slide, the slide block 402 drives the protrusions 404 on both sides to slide in the sliding grooves 405. The protrusions 404 have a guiding effect on the slide block 402, making the sliding of the slide block 402 more stable.

[0028] As a technical optimization of this utility model, the test structure 3 includes two support frames 302. One of the support frames 302 is installed at the bottom of the tension sensor 8. A fixing plate 301 is fixedly connected to the test machine body 1, and the other support frame 302 is installed on the fixing plate 301. A screw 304 is fixedly connected to the support frame 302. A threaded sleeve 305 is threadedly connected to the screw 304. A rotating rod 306 is slidably connected to the threaded sleeve 305. A fixed wheel 303 is fixedly connected to the support frame 302. The fixed wheel 303 has an "I" shaped cross-section. During testing, one end of the flax thread is wound around one of the screws 304, and then the corresponding rotating rod 306 is rotated. The rotating rod 306 drives the threaded sleeve 305 to move on the screw 304, so that the threaded sleeve 305 and the screw 304 cooperate to resist each other. Tighten one end of the flax thread, then wrap the flax thread once around the corresponding fixed wheel 303. Next, wrap the other end of the flax thread once around another fixed wheel 303, and then wrap it around another screw 304. Then rotate the corresponding rotating rod 306, which drives the threaded sleeve 305 to move on the screw 304. This causes the other screw 304 to engage with the corresponding threaded sleeve 305 to press against the other end of the flax thread. The flax thread is initially fixed by the two fixed wheels 303 with grooves, and the fixed wheels 303 can reduce the friction with the flax thread, making the test data more accurate. Then, the two ends of the flax thread are fixed by the two screws 304 and the two threaded sleeves 305 respectively, preventing the flax thread from slipping during the test. This makes the flax thread to be tested stably and firmly installed on the testing machine body 1, which is convenient for strength testing of the flax thread.

[0029] As a technical optimization scheme of the utility model, two organ cases 6 are installed between the two sides of the sliding seat 402 and the stand column 2, the stand column 2 is provided with a scale bar 9, and the testing machine body 1 is installed with a control console 5; the organ case 6 can protect and shield the components inside the stand column 2, and the setting of the scale bar 9 facilitates understanding the deformation amount of the flax line.

[0030] The utility model discloses a first when needing, install the tension sensor 8, the installation block 702 of top of tension sensor 8 is slipped into the installation groove 701, because installation groove 701 and installation block 702 are all trapezoidal structure, make installation block 702 unable to slip from the both sides or bottom of sliding seat 402, thereby make installation block 702 installation stable, because the end of card block 703 is equipped with inclined plane structure and has the guiding effect, when installation block 702 is engaged in installation groove 701, installation block 702 touches card block 703 and slides to the outside of sliding seat 402, and card block 703 drives the extension of tension spring 705, when the card slot 706 on installation block 702 is aligned with card block 703, tension spring 705 resets and drives card block 703 to engage into card slot 706, thereby further reinforcing the installation of installation block 702, make tension sensor 8 install more stable and firm, and the installation and dismounting of tension sensor 8 are convenient, and it is convenient for daily maintenance replacement, when testing, one end of flax thread is wound on one of screw rod 304, then corresponding rotating rod 306 is rotated, and rotating rod 306 drives threaded sleeve 305 to move on screw rod 304, so that threaded sleeve 305 cooperates with screw rod 304 and tightly abuts the end of flax thread, then flax thread is wound on corresponding fixed wheel 303, then the other end of flax thread is wound on another fixed wheel 303 and then wound on another screw rod 304, then corresponding rotating rod 306 is rotated, and rotating rod 306 drives threaded sleeve 305 to move on screw rod 304, so that another screw rod 304 cooperates with corresponding threaded sleeve 305 and tightly abuts the other end of flax thread, flax thread is preliminarily fixed by two fixed wheels 303 provided with grooves, and fixed wheel 303 can reduce the friction force with flax thread, so that the test data is more accurate, and the two ends of flax thread are fixed by two screw rods 304 and two threaded sleeves 305, so as to avoid flax thread from slipping off during testing, and then the flax thread to be tested is stably and firmly installed on the testing machine body 1, so as to facilitate the strength test of flax thread, then the motor 403 is started, the motor 403 drives the screw rod 401 to rotate, the screw rod 401 threadedly drives the sliding seat 402 to slide, the sliding seat 402 drives the tension sensor 8 and the support frame 302 installed at the bottom end of the tension sensor 8 to move upwards through the mounting structure 7, the support frame 302 drives flax thread to stretch upwards through the fixed wheel 303, then the tension sensor 8 detects the tension of flax thread through the reverse force of flax thread, and transmits the tension to the control console 5, so as to obtain the test data, when the screw rod 401 drives the sliding seat 402 to slide, the sliding seat 402 drives the protrusions 404 on the both sides to slide in the sliding groove 405, the protrusions 404 are provided to guide the sliding seat 402, so that the sliding seat 402 slides more stably, and the organ case 6 can shield the components in the stand column 2, and the scale bar 9 is provided to facilitate understanding the deformation of flax thread.

[0031] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0032] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. A strength testing device for flax yarn detection, comprising a testing machine body (1), characterized in that: A column (2) is fixedly connected to the main body (1) of the testing machine. A drive structure (4) is installed on the column (2). The drive structure (4) includes a lead screw (401). The lead screw (401) is rotatably connected inside the column (2). A slide (402) is threaded onto the lead screw (401). The slide (402) is slidably connected to the column (2). An installation structure (7) is installed on the slide (402). The installation structure (7) includes an installation groove (701). The slide block (402) has an installation groove (701) and an installation block (702) is slidably connected in the installation groove (701). The installation block (702) has a slot (706) and a locking block (703) is engaged in the slot (706). The locking block (703) is slidably connected to the slide block (402). A tension sensor (8) is fixedly connected to the bottom end of the installation block (702). A test structure (3) is installed at the bottom end of the tension sensor (8).

2. A strength testing device for flax yarn detection according to claim 1, characterized in that: The mounting groove (701) has a trapezoidal cross-section, and the mounting block (702) has a trapezoidal cross-section.

3. A strength testing device for flax yarn detection according to claim 1, characterized in that: The end of the card block (703) is provided with a bevel structure, and the card block (703) is in an "L" shape.

4. A strength testing device for flax yarn detection according to claim 3, characterized in that: A guide rod (704) is fixedly connected to the slide (402), and the locking block (703) is slidably connected to the guide rod (704). A tension spring (705) is sleeved on the outside of the guide rod (704), and the tension spring (705) is fixedly connected between the slide (402) and the locking block (703).

5. A strength testing device for flax yarn detection according to claim 1, characterized in that: A motor (403) is installed at the bottom of the test machine body (1), and the output shaft of the motor (403) is fixedly connected to the bottom of the lead screw (401).

6. A strength testing device for flax yarn detection according to claim 1, characterized in that: The column (2) has two sliding grooves (405), and protrusions (404) are slidably connected in the sliding grooves (405). The two protrusions (404) are respectively fixedly connected to both sides of the slide block (402).

7. A strength testing device for flax yarn detection according to claim 1, characterized in that: The test structure (3) includes two support frames (302). One of the support frames (302) is installed at the bottom of the tension sensor (8). A fixing plate (301) is fixedly connected to the test machine body (1). Another support frame (302) is installed on the fixing plate (301). A screw (304) is fixedly connected to the support frame (302). A threaded sleeve (305) is threadedly connected to the screw (304). A rotating rod (306) is slidably connected to the threaded sleeve (305).

8. A strength testing device for flax yarn detection according to claim 7, characterized in that: A fixed wheel (303) is fixedly connected to the support frame (302), and the cross-section of the fixed wheel (303) is in the shape of an "I".

9. A strength testing device for flax yarn detection according to claim 1, characterized in that: Two accordion covers (6) are installed between the two sides of the slide (402) and the column (2). The column (2) is provided with a scale strip (9). The test machine body (1) is equipped with a control console (5).

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