Stretching detection equipment
The tensile testing device, designed with double clamps and dual sensors, solves the problems of nonwoven fabric falling off under high tension and sensor damage, achieving more stable clamping and accurate tensile testing.
Patent Information
- Application Number
- CN202520120373.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Existing nonwoven fabric tensile testing equipment is prone to causing nonwoven fabric to fall off under high tension, and the single-sided tension sensor is easily damaged or the data is inaccurate, affecting the accuracy of the test.
It adopts a double-clamping structure and a dual-pressure sensor design. The non-woven fabric is stably clamped through a threaded rod and a rotating ring. The tension is measured synchronously by two pressure sensors to obtain an average value, thereby improving the clamping force and detection accuracy.
It enhances the clamping force of nonwoven fabric, prevents it from falling off, ensures the accuracy of tensile testing and the reliability of data, and prevents errors caused by damage to a single sensor.
Smart Images

Figure CN223883328U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tensile detection technical field, concretely is a kind of tensile detection equipment. BACKGROUND
[0002] Non-woven fabric is also called needle-punched cotton, needle-punched non-woven fabric, etc., which is made of polyester fiber, polyester fiber (abbreviation: PET) material, and is made by needle punching process, and can be made into different thickness, hand feeling, hardness, etc. Non-woven fabric has the characteristics of moisture-proof, breathable, flexible, light, flame-retardant, non-toxic and odorless, low price, recyclable, etc. It can be used in different industries, such as sound insulation, heat insulation, heating sheet, mask, clothing, medical, filling material, etc.
[0003] The tensile strength detection equipment for melt non-woven fabric of patent No. CN220854478U sets up the bottom plate, the one end of the bottom plate is provided with the support plate, the other end is provided with the vertical plate, the support plate is provided with the fixed clamping mechanism for clamping and fixing the non-woven fabric, the inner side of the vertical plate is provided with the flat plate, the flat plate is provided with the movable clamping mechanism, the vertical plate is provided with the traction detection mechanism, the traction detection mechanism is used for traction movable clamping mechanism horizontal movement, and the non-woven fabric clamped between the fixed clamping mechanism and the movable clamping mechanism is stretched and detected.
[0004] However, research shows that the tensile detection equipment in the above-mentioned document still has the following defects:
[0005] The tensile detection equipment in the above-mentioned document only clamps the non-woven fabric with two clamps, when the non-woven fabric receives too much tension, it may cause the non-woven fabric to fall off from the clamp, and the setting of the tension sensor on one side only will cause the data to be recorded incorrectly when the tension sensor is damaged or inaccurate, because the staff have no comparison, they will not find that the data is wrong, therefore, through technical innovation and design optimization, the optimization of a kind of tensile detection equipment is realized. INVENTION CONTENTS
[0006] The stretching detection equipment in the above-mentioned document only clamps the non-woven fabric with two clamps, and when the non-woven fabric receives too large tension, the non-woven fabric may fall off from the clamp. In addition, when the tension sensor is damaged or inaccurate, the staff cannot find that the data is wrong because there is no comparison, and thus the wrong data is recorded. In order to solve the above problems, the embodiment of the present application provides a stretching detection equipment, the two ends of the non-woven fabric are first inserted from the lower clamp and the connecting plate, and then are inserted out from the connecting plate and the upper clamp, the upper clamp and the lower clamp are connected with the connecting plate to clamp the non-woven fabric, the clamping area of the non-woven fabric can be improved, and thus the clamping force of the non-woven fabric is increased, so that the non-woven fabric is prevented from falling off when receiving too large tension. Two pressure sensors are arranged to synchronously measure the tension of the two ends of the non-woven fabric, and the average value is taken as the final result during detection, so that the accuracy of the stretching detection is improved, and the staff can also be prevented from displaying wrong data when a single pressure sensor is damaged.
[0007] The technical solution adopted by the embodiment of the present application to solve the technical problems is:
[0008] A stretching detection equipment, comprising:
[0009] A bottom plate, two sides of the top of the bottom plate are provided with moving plates, and the facing surfaces of the two moving plates are provided with clamping frames capable of winding the non-woven fabric thereon, and a pressure sensor capable of detecting the tension received by the clamping frame is arranged between the moving plate and the clamping frame;
[0010] A moving mechanism, arranged on the bottom plate, for driving the two moving plates to move;
[0011] A sliding mechanism, arranged between the moving plate and the clamping frame, for sliding the clamping frame on the moving plate.
[0012] In a possible implementation, the clamping frame comprises a connecting plate arranged on one side of the moving plate, the top of the connecting plate is provided with an upper clamp, the bottom of the connecting plate is provided with a lower clamp, the top of the lower clamp is fixedly connected with a threaded rod, the threaded rod penetrates through the connecting plate and the upper clamp and is threadedly connected with a rotating ring, and by rotating the rotating ring, the upper clamp and the lower clamp can move towards the connecting plate, so as to clamp the non-woven fabric more fully.
[0013] In a possible implementation, the sliding mechanism comprises a fixed block fixed on one side of the two moving plates close to each other, a moving groove is formed in the fixed block, a moving rod is slidably arranged in the moving groove, and the two ends of the moving rod are fixedly connected with connecting rods, and the two connecting rods are fixedly connected with the two ends of the connecting plate, respectively. The connecting plate can drive the moving rod to move in the moving groove through the connecting rods.
[0014] In a possible implementation, the pressure sensor is located inside the rectangular groove and at the side of the moving rod away from the moving plate, one end of the pressure sensor is fixedly connected with the inside of the rectangular groove, and the other end of the pressure sensor is fixedly connected with the moving rod; the moving rod is pressed against the pressure sensor under the tension of the connecting rod, and the tension of the non-woven fabric can be converted into pressure for measurement.
[0015] In a possible implementation, the moving mechanism comprises two rectangular grooves formed in the bottom plate, two rectangular blocks are slidably arranged in the two rectangular grooves, the two rectangular blocks are fixedly connected with two moving plates respectively, a bidirectional screw rod penetrates through the two rectangular grooves, the two ends of the bidirectional screw rod penetrate through the two rectangular blocks respectively, the two ends of the bidirectional screw rod are threadedly connected with the two rectangular blocks respectively, the one end of the bidirectional screw rod is rotationally connected with the inner wall of the rectangular groove, a motor is fixedly arranged at the side of the bottom plate, the output end of the motor penetrates through the bottom plate and is fixedly connected with the other end of the bidirectional screw rod, the motor drives the bidirectional screw rod to rotate, the bidirectional screw rod drives the two rectangular blocks to move in opposite directions, the two rectangular blocks drive the moving plates to move in opposite directions, and the two clamping frames drive the non-woven fabric to be stretched.
[0016] In a possible implementation, the opposite surfaces of the connecting plate, the upper clamping plate and the lower clamping plate are fixedly provided with anti-skid pads, so that the friction between the upper clamping plate, the lower clamping plate and the connecting plate is improved.
[0017] In a possible implementation, the bottom plate is fixedly provided with support legs, and the support legs are fixedly provided with rubber pads, so that the bottom plate is supported.
[0018] In summary, the utility model has at least one of the following beneficial technical effects:
[0019] 1. The non-woven fabric is first inserted into the lower clamping plate and the connecting plate, and then is taken out from between the connecting plate and the upper clamping plate, the upper clamping plate and the lower clamping plate cooperate with the connecting plate to clamp the non-woven fabric by rotating the rotating ring, the clamping area of the non-woven fabric is improved, the clamping force of the non-woven fabric is increased, and the non-woven fabric is prevented from falling off due to excessive tension.
[0020] 2. Two pressure sensors are arranged to synchronously measure the tension of the two ends of the non-woven fabric, the average value is taken as the final result during detection, the accuracy of the tensile detection is improved, and the error data caused by damage of a single pressure sensor is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0021] Fig. 1 It is a whole structure schematic view of the utility model;
[0022] Fig. 2 It is a bottom plate side sectional structure schematic view of the utility model;
[0023] Fig. 3 It is the fixed block internal structure sectional view of the utility model.
[0024] The figure mark: 1, motor;2, bottom plate;3, moving plate;4, rotating ring;5, upper clamping plate;6, fixed block;7, rectangular groove;8, support leg;9, bidirectional screw;10, rectangular block;11, threaded rod;12, connecting rod;13, moving rod;14, connecting plate;15, lower clamping plate;16, non-slip mat;17, pressure sensor;18, moving groove. DETAILED DESCRIPTION
[0025] The technical scheme in the utility model will be described clearly and completely below in conjunction with the drawings in the utility model, and in addition, the form of each structure recorded in the following implementation is only an example, and the instrument placing rack involved in the utility model is not limited to each structure recorded in the following implementation, and all other implementation obtained by the ordinary skill in the art without making creative labor belongs to the range of protection of the utility model.
[0026] This embodiment introduces the specific structure of a tensile testing equipment, and specifically refers to Figs. 1-3 A tensile testing equipment, comprising:
[0027] The bottom plate 2 is provided with moving plates 3 on both sides of the top, and the facing surfaces of the two moving plates 3 are provided with clamping frames capable of winding non-woven fabric thereon, and the moving plate 3 and the clamping frame are further provided with a pressure sensor 17 capable of detecting the tension of the clamping frame;
[0028] The moving mechanism is located on the bottom plate 2 and is used to drive the two moving plates 3 to move;
[0029] The sliding mechanism is located between the moving plate 3 and the clamping frame, and is used to slide the clamping frame on the moving plate 3.
[0030] When it is necessary to clamp the non-woven fabric, the clamping frame includes a connecting plate 14 located on one side of the moving plate 3, the connecting plate 14 is provided with an upper clamping plate 5 on the top, and the connecting plate 14 is provided with a lower clamping plate 15 at the bottom, the top of the lower clamping plate 15 is fixedly connected with a threaded rod 11, the threaded rod 11 penetrates through the connecting plate 14 and the upper clamping plate 5 and is threadedly connected with a rotating ring 4, by rotating the rotating ring 4, the upper clamping plate 5 and the lower clamping plate 15 can be moved towards the connecting plate 14, thereby clamping the non-woven fabric more fully.
[0031] Further, when the tension of the clamping frame needs to be detected, the sliding mechanism comprises two moving plates 3, one side of which is fixed with a fixed block 6, the fixed block 6 is provided with a moving groove 18, the moving groove 18 is slidably provided with a moving rod 13, the two ends of the moving rod 13 are fixedly provided with a connecting rod 12, the two connecting rods 12 are respectively fixedly connected with the two ends of a connecting plate 14, the connecting plate 14 can drive the moving rod 13 to move in the moving groove 18 through the connecting rod 12, a pressure sensor 17 is located in the rectangular groove 7 and on the side of the moving rod 13 away from the moving plate 3, one end of the pressure sensor 17 is fixedly connected with the inside of the rectangular groove 7, the other end of the pressure sensor 17 is fixedly connected with the moving rod 13, the moving rod 13 is pressed against the pressure sensor 17 by the tension of the connecting rod 12, at this time the tension of the non-woven fabric can be converted into pressure for measurement.
[0032] When the two clamping frames need to stretch the non-woven fabric, the moving mechanism comprises two rectangular grooves 7 provided on the bottom plate 2, the two rectangular grooves 7 are slidably provided with a rectangular block 10, the two rectangular blocks 10 are respectively fixedly connected with the two moving plates 3, the two rectangular grooves 7 are penetrated by a bidirectional screw rod 9, the two ends of the bidirectional screw rod 9 are respectively penetrated through the two rectangular blocks 10, the two ends of the bidirectional screw rod 9 are respectively screw-connected with the two rectangular blocks 10, one end of the bidirectional screw rod 9 is rotatably connected with the inner wall of the rectangular groove 7, one side of the bottom plate 2 is fixedly provided with a motor 1, the output end of the motor 1 is penetrated through the bottom plate 2 and fixedly connected with the other end of the bidirectional screw rod 9, the motor 1 drives the bidirectional screw rod 9 to rotate, the bidirectional screw rod 9 drives the two rectangular blocks 10 to move in opposite directions, the two rectangular blocks 10 drive the moving plates 3 to move in opposite directions, and then the two clamping frames stretch the non-woven fabric.
[0033] It is worth noting that the connecting plate 14 is fixedly provided with a non-slip pad 16 on the facing surface of the upper clamping plate 5 and the lower clamping plate 15, so as to improve the friction between the connecting plate 14 and the upper clamping plate 5 and the lower clamping plate 15.
[0034] Further, the bottom plate 2 is fixedly provided with a supporting leg 8 at the bottom, and the supporting leg 8 is fixedly provided with a rubber pad at the bottom, so as to support the bottom plate 2.
[0035] When the staff needs to stretch and detect the non-woven fabric, the two ends of the non-woven fabric are first inserted from the lower clamping plate 15 and the connecting plate 14, and then inserted from the connecting plate 14 and the upper clamping plate 5, the rotating ring 4 is rotated, the upper clamping plate 5 and the lower clamping plate 15 cooperate with the connecting plate 14 to clamp the non-woven fabric, then the motor 1 is started, the motor 1 drives the bidirectional screw rod 9 to rotate, the bidirectional screw rod 9 drives the two rectangular blocks 10 to move in opposite directions, the two rectangular blocks 10 drive the moving plates 3 to move in opposite directions, and then the two clamping frames stretch the non-woven fabric, at this time the moving rod 13 is pressed against the pressure sensor 17 by the tension of the clamping frame, at this time the tension of the non-woven fabric can be converted into pressure for measurement.
[0036] Finally, it should be noted that: apparently, the above embodiments are merely examples for clearly illustrating the utility model, and are not limited to the implementation. For ordinary skilled in the art, on the basis of the above description, other different forms of changes or variations can be made. Here, it is not necessary and impossible to enumerate all the implementation. The obvious changes or variations derived therefrom are still within the scope of the utility model.
Claims
1. A tensile detection apparatus characterized by comprising: Include: The bottom plate (2), both sides of the top of the bottom plate (2) are provided with moving plate (3), the opposite sides of the two moving plate (3) are provided with clamping frame which can wrap non-woven fabric, the moving plate (3) and clamping frame are also provided with pressure sensor (17) which can detect the tension of clamping frame; The moving mechanism is located on the bottom plate (2), which is used for driving two moving plate (3) to move; The sliding mechanism is located between the moving plate (3) and the clamping frame, which is used for the clamping frame to slide on the moving plate (3).
2. A tensile testing apparatus as claimed in claim 1, characterised in that: The clamping frame includes a connecting plate (14) on one side of the moving plate (3), the top of the connecting plate (14) is provided with an upper clamping plate (5), the bottom of the connecting plate (14) is provided with a lower clamping plate (15), the top of the lower clamping plate (15) is fixedly connected with a threaded rod (11), the threaded rod (11) penetrates through the connecting plate (14) and the upper clamping plate (5) and is threadedly connected with a rotating ring (4).
3. A tensile testing apparatus as claimed in claim 1, wherein: The sliding mechanism includes two fixed blocks (6) fixed on one side of the two moving plate (3), the fixed block (6) is provided with a moving groove (18), the moving groove (18) is slidably connected with a moving rod (13), the two ends of the moving rod (13) are fixedly connected with a connecting rod (12), and the two connecting rods (12) are respectively fixedly connected with the two ends of the connecting plate (14).
4. A tensile testing apparatus as claimed in claim 1, wherein: The pressure sensor (17) is located inside the rectangular groove (7) and on the side of the moving rod (13) away from the moving plate (3), one end of the pressure sensor (17) is fixedly connected with the inside of the rectangular groove (7), and the other end of the pressure sensor (17) is fixedly connected with the moving rod (13).
5. A tensile testing apparatus as claimed in claim 1, wherein: The moving mechanism includes two rectangular grooves (7) opened in the bottom plate (2), the two rectangular grooves (7) are slidably connected with a rectangular block (10) inside, the two rectangular blocks (10) are respectively fixedly connected with the two moving plate (3), and a bidirectional screw rod (9) penetrates through the two rectangular grooves (7).
6. A tensile testing apparatus as claimed in claim 5, characterised in that: The two ends of the bidirectional screw rod (9) are respectively threadedly connected with the two rectangular blocks (10), one end of the bidirectional screw rod (9) is rotatably connected with the inner wall of the rectangular groove (7), one side of the bottom plate (2) is fixedly connected with a motor (1), and the output end of the motor (1) penetrates through the bottom plate (2) and is fixedly connected with the other end of the bidirectional screw rod (9).
7. A tensile testing apparatus as claimed in claim 2, wherein: The opposite sides of the connecting plate (14), the upper clamping plate (5) and the lower clamping plate (15) are fixedly connected with the anti-skid pads (16).
8. A tensile testing apparatus as claimed in claim 1, wherein: The bottom plate (2) is fixedly connected with a supporting leg (8), and the supporting leg (8) is fixedly connected with a rubber pad.
Citation Information
Patent Citations
Tensile strength detection equipment for melt-blown non-woven fabric
CN220854478U