Polyester stretch yarn tensile test device

Abstract

The utility model discloses a polyester stretch yarn tensile testing device, which relates to the technical field of tensile testing devices, and comprises a testing platform, an end frame is integrally formed at one end of the testing platform, a yarn binding rod is arranged in an inner hollow groove of the end frame, and the yarn binding rod is connected with the testing platform. A power box is arranged on the outer wall of one side of the test platform, a central groove is formed in the central position in the test platform, and a threaded lead screw is arranged in the central groove; the tensile testing device comprises a central groove, a lead screw sliding block and three bearing platforms, the lead screw sliding block is movably arranged in the central groove through a threaded lead screw, a supporting connecting rod is welded to the upper end of the lead screw sliding block, and the three bearing platforms are welded to the upper end of the supporting connecting rod. However, only one polyester yarn can be detected each time, and the stretching distance borne by the polyester yarn cannot be effectively detected, so that the test accuracy is poor.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of tensile testing device, concretely to a polyester elastic filament tensile testing device. BACKGROUND

[0002] Polyester elastic filament is a kind of synthetic fiber, which is made of polyester high molecular material, and has the characteristics of good elasticity, wear resistance, easy washing and drying, moisture absorption and perspiration, etc. The tensile properties of polyester elastic filament need to be detected by testing device before the finished product is delivered.

[0003] For example, the announcement number is: CN217638343U (named a tensile testing device for polyester network filament production), including: device seat, the right side of the device seat is provided with motor;First connecting plate, the first connecting plate is slidably installed on the top right side of the device seat, and the left side of the first connecting plate is fixedly connected with tension sensor;Second connecting plate, the second connecting plate is slidably installed on the top inner side of the device seat, and the top left side of the device seat is fixedly connected with fixed plate;Display, the display is installed on the top rear side of the device seat;Connecting rod, the inner side of the second connecting plate and the fixed plate is threadedly connected with connecting rod, the shaft is driven by motor to rotate, the connecting mode between the shaft and the first connecting plate is screw connection, and the first connecting plate is slidably installed on the top right side of the device seat, so that the shaft drives the first connecting plate to move to the right side, the first connecting plate drives the second connecting plate to move to the right side through the tension sensor, and the polyester network filament is stretched, the stretching degree is detected by the tension sensor, the tension sensor is S type sensor, which belongs to weighing sensor series, which can convert physical signal into electrical signal for accurate measurement, and the tension sensor transmits electrical signal to the display to display tension value, which is convenient for users to observe.

[0004] The above-mentioned tensile testing device detects the tensile force that the polyester filament can bear through the tension sensor, but only one polyester filament can be detected each time, and the stretching distance that the polyester filament can bear cannot be effectively detected, resulting in poor test accuracy. Therefore, we provide a polyester elastic filament tensile testing device. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a polyester elastic filament tensile testing device to solve the problem of poor test accuracy caused by the fact that the existing tensile testing device detects the tensile force that the polyester filament can bear through the tension sensor, but only one polyester filament can be detected each time, and the stretching distance that the polyester filament can bear cannot be effectively detected.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a polyester elastic filament stretching testing device, including test platform, the one end position of test platform is integrally formed with end frame, the inside empty groove of end frame is provided with silk line bundling rod, the outer wall of one side of test platform is provided with power box, the inside center position of test platform is provided with center recess, the inside of center recess is provided with threaded lead screw;

[0007] Further comprising:

[0008] Lead screw slide block is movably arranged in the inside of the center recess through the threaded lead screw, and the upper end of the lead screw slide block is welded with a supporting link, the upper end of the supporting link is welded with three bearing platforms, and the upper end of the three bearing platforms is welded with a threaded hole plate through a connecting rod.

[0009] The threaded hole plate is movably arranged in the inside of the threaded hole plate, and the upper end and the lower end of the threaded hole plate are respectively welded with a twisting disc and a silk line pressing disc, and the size of the twisting disc and the silk line pressing disc is greater than the caliber of the threaded hole plate.

[0010] The first side frame and the second side frame are arranged on both sides of the test platform, and the first side frame and the second side frame are an integral structure with the test platform, and the inside of the first side frame and the second side frame is provided with a guide sliding groove, the inside of the guide sliding groove is movably provided with a connecting slide block, and the upper end of the first side frame is provided with a positioning scale.

[0011] The connecting slide block is connected with the guide sliding groove through the limiting block.

[0012] Preferably, the guide sliding groove of the first side frame is embeddedly fixed with an electromagnet plate, the limiting block is connected with the guide sliding groove through the electromagnet plate, the inside of the connecting slide block is movably provided with a roller through a bearing and a connecting shaft, and the connecting slide block is connected with the guide sliding groove through the roller.

[0013] Preferably, the upper end of the limiting block is provided with a grabbing handle, and the grabbing handle and the limiting block are an integral structure.

[0014] Preferably, the connecting position of the two connecting slide blocks and the threaded hole plate is provided with a supporting connecting rod, and the two ends of the supporting connecting rod are respectively welded with the threaded hole plate and the connecting slide block.

[0015] Preferably, the power box is provided with a switch on one side, the output end of the power box is electrically connected with the input end of the switch, and the output end of the switch is electrically connected with the input end of the electromagnet plate.

[0016] Preferably, the outer wall of the silk line bundling rod is provided with six positioning clamping blocks, and the six positioning clamping blocks are magnetically connected with the silk line bundling rod.

[0017] Preferably, the other end of the test platform is provided with a servo motor, the output shaft of the servo motor is connected with the threaded lead screw through a shaft coupling.

[0018] Compared with the prior art, the utility model has the beneficial effects that:

[0019] The utility model discloses a threaded lead screw is rotated by servo motor, and the screw block is guided along the center groove, and three polyester elastic filaments are synchronously elongated, if the connecting slider does not contact the limit block, and the polyester elastic filament breaks, and the batch of polyester elastic filaments is unqualified, if the connecting slider contacts the limit block, and the servo motor is closed, and three polyester elastic filaments do not break, and the batch of polyester elastic filaments is qualified, overcome the existing tensile testing device through the setting of the tensile force sensor, and the polyester filament can bear the tensile force, but can only detect one polyester filament each time, and the polyester filament can bear the tensile distance and cannot be effectively detected, and the test accuracy is poor. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the structure front view of polyester elastic filament tensile testing device of the utility model;

[0021] Figure 2 It is the structure side view of polyester elastic filament tensile testing device of the utility model;

[0022] Figure 3 It is the structure plan view of polyester elastic filament tensile testing device of the utility model;

[0023] Figure 4 It is the structure enlarged view of part A of the utility model;

[0024] In the drawing: 1, test platform;2, end frame;3, silk line bundling rod;4, positioning block;5, first side frame;6, second side frame;7, guide sliding slot;8, positioning scale;9, power box;10, limit block;11, connecting slider;12, erect connecting rod;13, center groove;14, threaded lead screw;15, servo motor;16, screw block;17, bearing platform;18, threaded hole plate;19, through screw;20, support connecting rod;21, silk line pressure disc;22, twisting disc;23, switch;24, grabbing handle;25, roller;26, electromagnet plate. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0026] Please refer toFigures 1-4 The utility model provides an embodiment: a dacron elastic filament stretching test device, the one end position of test platform 1 is integrally formed with the end frame 2, the inside hollow groove of end frame 2 is provided with silk line bundling pole 3, the outside wall of test platform 1 is provided with power box 9, the inside center position of test platform 1 is provided with center recess 13, the inside of center recess 13 is provided with threaded lead screw 14;

[0027] Further comprising:

[0028] Lead screw sliding block 16 is movably arranged in the inside of center recess 13 through threaded lead screw 14, and the upper end of lead screw sliding block 16 is welded with supporting connecting rod 20, the upper end of supporting connecting rod 20 is welded with three bearing platforms 17, and the upper end of three bearing platforms 17 is welded with threaded hole plate 18 through connecting rod;

[0029] Threaded hole plate 18 is movably arranged in the inside of threaded hole plate 18, and the upper end and the lower end of threaded hole plate 18 are welded with twist disc 22 and silk line pressure disc 21 respectively, and the size of twist disc 22 and silk line pressure disc 21 is greater than the caliber of threaded hole plate 18;

[0030] First side frame 5 and second side frame 6 are arranged on the both sides of test platform 1, first side frame 5 and second side frame 6 are integrated with test platform 1, and the inside of first side frame 5 and second side frame 6 is provided with guide sliding slot 7, and the inside of guide sliding slot 7 is movably provided with connecting sliding block 11, and the upper end of first side frame 5 is provided with positioning scale 8;

[0031] Limiting block 10 is inserted into the inside of guide sliding slot 7, and connecting sliding block 11 is connected with guide sliding slot 7 through limiting block 10.

[0032] In use, three polyester elastic yarns are sampled from the polyester elastic yarns to be tested to reduce the randomness of the test. The rotating twisting disc 22 drives the guide screw 19 to move along the threaded hole plate 18, so that one end of the three polyester elastic yarns is pressed and fixed by the three yarn pressing discs 21, and the other end of the three polyester elastic yarns is bundled on the yarn bundling rod 3 and positioned by the six positioning blocks 4, two of which are a group. After positioning, according to the maximum elastic distance that the polyester elastic yarn can withstand, the limiting block 10 is inserted and installed into the guide sliding groove 7, and corresponds to the distance value on the positioning scale 8. Then press the switch 23 to supply power to the electromagnet plate 26 through the power box 9. The electromagnet plate 26 generates a magnetic force to adsorb and fix the limiting block 10. Finally, the threaded lead screw 14 is driven by the servo motor 15 to rotate, and the lead screw block 16 moves along the center groove 13. At this time, the three polyester elastic yarns are synchronously elongated. If the connecting block 11 does not contact the limiting block 10 before the polyester elastic yarns break, it indicates that the batch of polyester elastic yarns is unqualified. If the connecting block 11 contacts the limiting block 10, turn off the servo motor 15. At this time, the three polyester elastic yarns do not break, indicating that the batch of polyester elastic yarns is qualified.

[0033] Please refer to Figure 4 , the electromagnet plate 26 is embeddedly and fixedly arranged in the guide sliding groove 7 of the first side frame 5, the limiting block 10 is adsorbed and connected with the guide sliding groove 7 through the electromagnet plate 26, the connecting block 11 is movably provided with the roller 25 in the inner part through the bearing and the connecting shaft, the connecting block 11 is rollingly connected with the guide sliding groove 7 through the roller 25, and the electromagnet plate 26 embeddedly and fixedly arranged in the guide sliding groove 7 of the first side frame 5 plays a role of adsorbing the limiting block 10 to limit the movement range of the connecting block 11. Please refer to Figure 4 , the upper end outer wall of the limiting block 10 is provided with the grabbing handle 24, the grabbing handle 24 and the limiting block 10 are an integral structure, and the grabbing handle 24 arranged on the upper end outer wall of the limiting block 10 plays a role of facilitating grabbing and disassembling the limiting block 10. Please refer to Figure 1 , the connecting position of the two connecting blocks 11 and the threaded hole plate 18 is provided with the erected connecting rod 12, the two ends of the erected connecting rod 12 are weldedly connected with the threaded hole plate 18 and the connecting block 11, and the erected connecting rod 12 arranged at the connecting position of the two connecting blocks 11 and the threaded hole plate 18 plays a role of erecting the threaded hole plate 18 and the connecting block 11. Please refer to Figure 3 and Figure 4 , the power box 9 is provided with the switch 23 on one side, the output end of the power box 9 is electrically connected with the input end of the switch 23, the output end of the switch 23 is electrically connected with the input end of the electromagnet plate 26, and the switch 23 arranged on one side of the power box 9 plays a role of controlling the connection start and stop of the electromagnet plate 26. Please refer to Figure 1Six positioning blocks 4 are arranged on the outer wall of the silk bundling rod 3, the six positioning blocks 4 are all connected with the silk bundling rod 3 in a magnetic attraction mode, the six positioning blocks 4 arranged on the outer wall of the silk bundling rod 3 play a role of positioning the bundling position of the polyester silk, please refer to Figure 1 A servo motor 15 is arranged at the other end of the test platform 1, the output shaft of the servo motor 15 is connected with the threaded lead screw 14 in a transmission mode through a coupling, the servo motor 15 arranged at the other end of the test platform 1 plays a role of driving the threaded lead screw 14 to rotate in a forward or reverse direction.

[0034] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-restrictive, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the involved claims.

Claims

1. A polyester stretch yarn tensile testing device, comprising a test platform (1), an end head frame (2) integrally formed at one end of the test platform (1), a yarn bundling rod (3) arranged in the internal hollow slot of the end head frame (2), a power supply box (9) arranged on the outer wall of one side of the test platform (1), a central recess (13) arranged at the internal central position of the test platform (1), and a threaded lead screw (14) arranged in the internal central recess (13). characterized in that Further comprising: a lead screw slider (16) movably arranged in the internal central recess (13) through the threaded lead screw (14), and a support connecting rod (20) welded at the upper end of the lead screw slider (16), three bearing platforms (17) welded at the upper end of the support connecting rod (20), and a threaded hole plate (18) welded at the upper end of the three bearing platforms (17) through connecting rods; a through screw (19) arranged in the internal threaded hole plate (18), and a twisting disc (22) and a yarn pressing disc (21) welded at the upper end and the lower end of the through screw (19), respectively, the sizes of the twisting disc (22) and the yarn pressing disc (21) being greater than the caliber of the threaded hole plate (18); a first side frame (5) and a second side frame (6) arranged at the two sides of the test platform (1), the first side frame (5) and the second side frame (6) being integrated with the test platform (1), and a guide sliding groove (7) arranged in the internal of the first side frame (5) and the second side frame (6), a connecting slider (11) movably arranged in the internal of the guide sliding groove (7), and a positioning scale (8) arranged at the upper end of the first side frame (5); a limiting block (10) inserted into the internal of the guide sliding groove (7), and the connecting slider (11) connected with the guide sliding groove (7) through the limiting block (10).

2. The polyester stretch yarn tensile testing device of claim 1, wherein: An electromagnet plate (26) is fixedly embedded in the guide sliding groove (7) of the first side frame (5), the limiting block (10) is connected with the guide sliding groove (7) through the electromagnet plate (26), a roller (25) is movably arranged in the internal of the connecting slider (11) through a bearing and a connecting shaft, and the connecting slider (11) is connected with the guide sliding groove (7) through the roller (25).

3. The polyester stretch yarn tensile testing device of claim 1, wherein: A grabbing handle (24) is arranged on the outer wall of the upper end of the limiting block (10), and the grabbing handle (24) is integrated with the limiting block (10).

4. The polyester stretch yarn tensile testing device of claim 1, wherein: A spanning connecting rod (12) is arranged at the connecting position of the two connecting sliders (11) and the threaded hole plate (18), and the two ends of the spanning connecting rod (12) are welded with the threaded hole plate (18) and the connecting slider (11), respectively.

5. The polyester stretch yarn tensile testing device of claim 1, wherein: A switch (23) is arranged at one side of the power supply box (9), the output end of the power supply box (9) is electrically connected with the input end of the switch (23), and the output end of the switch (23) is electrically connected with the input end of the electromagnet plate (26).

6. The polyester stretch yarn tensile testing device of claim 1, wherein: Six positioning clamping blocks (4) are arranged on the outer wall of the yarn bundling rod (3), and the six positioning clamping blocks (4) are magnetically connected with the yarn bundling rod (3).

7. The polyester stretch yarn tensile testing device of claim 1, wherein: The other end of the test platform (1) is provided with a servo motor (15), and the output shaft of the servo motor (15) is in transmission connection with the threaded lead screw (14) through a shaft coupling.

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