CN219890946U - Cloth tensile strength detection device - Google Patents
Cloth tensile strength detection device Download PDFInfo
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- CN219890946U CN219890946U CN202321321805.7U CN202321321805U CN219890946U CN 219890946 U CN219890946 U CN 219890946U CN 202321321805 U CN202321321805 U CN 202321321805U CN 219890946 U CN219890946 U CN 219890946U
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- cloth
- clamp
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- plate
- tensile strength
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- 239000004744 fabric Substances 0.000 title claims abstract description 134
- 238000001514 detection method Methods 0.000 title claims abstract description 11
- 238000012360 testing method Methods 0.000 claims abstract description 58
- 238000003825 pressing Methods 0.000 claims abstract description 12
- 230000006835 compression Effects 0.000 claims abstract description 7
- 238000007906 compression Methods 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a cloth tensile strength detection device, which comprises a base, wherein a moving device, a first cloth clamp and a second cloth clamp are arranged on the base; the first cloth clamp is connected with the force sensor; the first cloth clamp and the second cloth clamp comprise clamp bodies, two movable clamp blocks and an intermediate body, wherein grooves are formed in the clamp bodies, and first guide inclined planes are respectively formed in two sides of each groove; one side of the movable clamping block is provided with a compression surface, and the other side of the movable clamping block is provided with a second guide inclined surface; the middle body comprises a guide constraint plate and a middle plate arranged on the guide constraint plate, dovetail bosses are respectively arranged on two sides of the guide constraint plate, and dovetail grooves corresponding to the dovetail bosses are arranged on the movable pressing plates; the middle plate is positioned between the two movable pressing plates, and a through groove is arranged on the middle plate. The clamping device can greatly improve the clamping effect of the test cloth and prevent the cloth from being separated from the clamp in the test process.
Description
Technical Field
The utility model relates to the technical field of fabric detection, in particular to a cloth tensile strength detection device.
Background
In the production process of the cloth, the tensile strength of the cloth needs to be tested. The tensile strength test of the cloth is a destructive test, and the test method is as follows: cutting a piece of cloth with specific length and width to serve as a test cloth, clamping two ends of the test cloth through two clamps on a tension test device, applying tension to the cloth by the tension test device, and recording a tension value when the test cloth is pulled to break along with continuous application of the tension until the cloth is pulled to break, wherein the tension value represents the maximum tension which can be borne by the cloth, and the tension value is an important index for evaluating the strength and the tensile property of the cloth.
The two ends of the cloth to be tested need to be stably clamped through the two clamps on the tensile testing equipment during testing, but in the practical process, the cloth is thinner, the surfaces of some cloths are smoother, the friction coefficient is low, the cloth is difficult to stably clamp by the traditional clamps and clamping modes, the clamping force is insufficient, the clamping effect is poor, and the cloth is easy to separate from the clamps in the testing process, so that the testing fails.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a cloth tensile strength detection device.
The utility model aims at realizing the following technical scheme: the cloth tensile strength detection device comprises a base, wherein a moving device, a first cloth clamp and a second cloth clamp are arranged on the base, the second cloth clamp is arranged on the moving device, and the second cloth clamp is driven to move relative to the first cloth clamp through the moving device; the first cloth clamp is connected with the force sensor;
the first cloth clamp and the second cloth clamp comprise clamp bodies, two movable clamp blocks and an intermediate body, wherein grooves are formed in the clamp bodies, and first guide inclined planes are respectively formed in two sides of each groove; one side of the movable clamping block is provided with a compression surface, the other side of the movable clamping block is provided with a second guide inclined surface, and the second guide inclined surfaces on the two movable clamping blocks are respectively contacted with the first guide inclined surfaces on two sides of the groove;
the middle body comprises a guide constraint plate and a middle plate arranged on the guide constraint plate, dovetail bosses are respectively arranged on two sides of the guide constraint plate, dovetail grooves corresponding to the dovetail bosses are arranged on the movable pressing plates, and the dovetail bosses are in sliding fit with the dovetail grooves; the middle plate is positioned between the two movable pressing plates and provided with a through groove; elastic pieces are respectively arranged between the middle plate and the two movable pressing plates.
In the utility model, the first cloth clamp and the second cloth clamp are used for clamping two ends of the test cloth, a tensile force in the length direction is applied to the test cloth through the movement of the second cloth clamp, and the force sensor is used for detecting the magnitude of the tensile force; the clamping modes of the first cloth clamp and the second cloth clamp are as follows: firstly pushing the movable clamping blocks to one side, enabling the movable clamping blocks on two sides of the middle plate to be opened under the action of the springs, enabling the end parts of the test cloth to extend into a gap between the middle plate and the upper movable clamping blocks, enabling the end parts of the test cloth to downwards pass through the through grooves, enabling the end parts of the test cloth to pass out of the gap between the middle plate and the lower movable clamping blocks, and enabling the end parts of the test cloth to bypass the middle plate in a U-shaped mode; then pushing the two movable clamping blocks to the other side, under the cooperation of the first guide inclined plane and the second guide inclined plane, making the movable clamping blocks at two sides of the middle plate close to each other and clamping the test cloth, applying a pre-clamping force to the test cloth by the movable clamping blocks at two sides at the moment, and under the action of the moving trend, making the movable clamping blocks at two sides clamp more tightly and the clamping force of the movable clamping blocks at two sides change along with the change of the tension of the test cloth when the middle plate is subjected to the tension of the cloth; the greater the tensile force of the test cloth, the greater the clamping force of the test cloth, so that the self-locking effect is realized. When the first cloth clamp and the second cloth clamp are used for testing cloth, the end parts of the testing cloth bypass the middle plate in a U-shaped mode, and the two movable clamping plates respectively clamp the testing cloth on the two sides of the middle plate, so that the clamping effect is greatly improved, and the cloth is prevented from being separated from the clamps in the testing process; the clamping force of the movable clamping block can be changed along with the tension change of the test cloth; the greater the tensile force of the test cloth, the greater the clamping force of the test cloth, so that the self-locking effect is realized, and power devices such as an air cylinder, a motor and the like are not needed in the clamping process.
Preferably, the moving device comprises a screw rod, a moving block, a first side plate and a second side plate which are arranged on the bottom plate, a guide rod is arranged between the first side plate and the second side plate, and the moving block is connected to the guide rod in a sliding manner; two ends of the screw rod are respectively connected with the first side plate and the second side plate in a rotating way, one end of the screw rod is connected with the motor, the screw rod is parallel to the guide rod, and the second cloth clamp is fixedly arranged on the moving block; the moving block is provided with a threaded hole matched with the screw rod, and the screw rod passes through the threaded hole; the force sensor is disposed on the first side plate. The motor drives the screw rod to rotate, and the screw rod is matched with the moving block through threads to drive the moving block and the second cloth clamp to move.
Preferably, the motor is a servo motor.
Preferably, the force sensor is a strain type force sensor.
Preferably, the elastic member is a spring.
Preferably, the two sides of the middle plate are respectively provided with a first spring groove, the compression surface of the movable clamping block is provided with a second spring groove corresponding to the first spring groove, and the two ends of the spring are respectively connected in the first spring groove and the second spring groove.
Preferably, the first guide inclined plane is provided with a guide groove, the second guide inclined plane of the movable clamping block is provided with a guide boss, and the guide boss is in sliding fit with the guide groove.
The beneficial effects of the utility model are as follows: when the first cloth clamp and the second cloth clamp are used for testing cloth, the end parts of the testing cloth bypass the middle plate in a U-shaped mode, and the two movable clamping plates respectively clamp the testing cloth on the two sides of the middle plate, so that the clamping effect is greatly improved, and the cloth is prevented from being separated from the clamps in the testing process; the clamping force of the movable clamping block can be changed along with the tension change of the test cloth; the greater the tensile force of the test cloth, the greater the clamping force of the test cloth, so that the self-locking effect is realized, and power devices such as an air cylinder, a motor and the like are not needed in the clamping process.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic structural view of the cloth jig.
Fig. 3 is a schematic structural view of the clamp body.
Fig. 4 is a schematic structural diagram of an intermediate.
Fig. 5 is a schematic view of the structure of one direction of the movable clamp block.
FIG. 6 is a schematic view of another orientation of a movable clamp block.
Fig. 7 is a schematic view of the cloth clamp when clamping the cloth.
In the figure: 1. the device comprises a base, 2, a first side plate, 3, a second side plate, 4, a screw rod, 5, a guide rod, 6, a motor, 7, a force sensor, 8, a first cloth clamp, 9, a moving block, 10, a second cloth clamp, 11, a clamp body, 12, a movable clamping block, 13, a guide constraint plate, 14, a middle plate, 15, a spring, 16, a first guide inclined plane, 17, a guide inclined slot, 18, a through slot, 19, a dovetail boss, 20, a first spring slot, 21, a guide boss, 22, a dovetail slot, 23, a pressing surface, 24, a second spring slot, 25, a second guide inclined plane, 27 and a test cloth.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.
It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms should not be construed as limiting the present utility model.
It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.
As shown in fig. 1-7, a cloth tensile strength detection device comprises a base 1, wherein a moving device, a first cloth clamp 8 and a second cloth clamp 10 are arranged on the base 1, the second cloth clamp 10 is arranged on the moving device, and the second cloth clamp 10 is driven to move relative to the first cloth clamp 8 through the moving device.
The moving device comprises a screw rod 4, a moving block 9, a first side plate 2 and a second side plate 3 which are arranged on a bottom plate 1, wherein the first side plate 2 and the second side plate 3 are oppositely arranged, a guide rod 5 is arranged between the first side plate 2 and the second side plate 3, the moving block 9 is slidably connected to the guide rod 5, and the moving block 5 can move along the guide rod 5. Two ends of the screw rod 4 are respectively connected with the first side plate 2 and the second side plate 3 in a rotating way, and the screw rod 4 is parallel to the guide rod 5. One end of the screw rod 4 is connected with the motor 6, and the second cloth clamp 10 is fixedly arranged on the moving block 9. The moving block 9 is provided with a threaded hole matched with the screw rod 4, and the screw rod 4 passes through the threaded hole. In the present utility model, the motor 6 is a servo motor. The motor drives the screw rod to rotate, and the screw rod is matched with the moving block through threads to drive the moving block and the second cloth clamp to move.
The first cloth clamp 8 is connected with a force sensor 7, and the force sensor 7 is arranged on the first side plate 2. In the present utility model, the force sensor 7 is a strain type force sensor.
The first cloth clamp 8 and the second cloth clamp 10 have the same structure, the first cloth clamp 8 and the second cloth clamp 10 comprise a clamp body 11, two movable clamp blocks 12 and an intermediate body, grooves are formed in the clamp body 11, first guide inclined planes 16 are respectively formed in two sides of the grooves, and the distance between the two first guide inclined planes 16 is gradually reduced from one end to the other end. One side of the movable clamping block 12 is provided with a compression surface 23, the other side of the movable clamping block 12 is provided with a second guide inclined surface 25, and the second guide inclined surfaces 25 on the two movable clamping blocks 12 are respectively contacted with the first guide inclined surfaces 16 on two sides of the groove. The first guide inclined surface 16 is provided with a guide groove 17, the second guide inclined surface 25 of the movable clamping block 12 is provided with a guide boss 21, and the guide boss 21 is in sliding fit with the guide groove 17.
The middle body comprises a guide constraint plate 13 and a middle plate 14 arranged on the guide constraint plate 13, dovetail bosses 19 are respectively arranged on two sides of the guide constraint plate 13, dovetail grooves 22 corresponding to the dovetail bosses 19 are arranged on the movable pressing plate 12, and the dovetail bosses 19 are in sliding fit with the dovetail grooves 22; the middle plate 14 is positioned between the two movable pressing plates 12, and a through groove 18 is formed in the middle plate 14; elastic pieces 15 are respectively arranged between the middle plate 14 and the two movable pressing plates 12. In the present utility model, the elastic member 15 is a spring.
The two sides of the middle plate 14 are respectively provided with a first spring groove, the compression surface of the movable clamping block 12 is provided with a second spring groove corresponding to the first spring groove, and two ends of the spring are respectively connected in the first spring groove and the second spring groove.
In the utility model, the first cloth clamp and the second cloth clamp are used for clamping two ends of the test cloth 27, a tensile force in the length direction is applied to the test cloth 27 through movement of the second cloth clamp, and the force sensor 7 is used for detecting the magnitude of the tensile force. As shown in fig. 7, the first cloth clamp and the second cloth clamp are clamped as follows: the movable clamping blocks are pushed to one side, so that the movable clamping blocks on two sides of the middle plate are opened under the action of the springs, the end part of the test cloth 27 extends into a gap between the middle plate and the upper movable clamping block, then the end part of the test cloth downwards passes through the through groove, and the end part of the test cloth 27 passes out of the gap between the middle plate and the lower movable clamping block, so that the end part of the test cloth bypasses the middle plate in a U-shaped mode; then pushing the two movable clamping blocks to the other side, under the cooperation of the first guide inclined plane and the second guide inclined plane, making the movable clamping blocks at two sides of the middle plate close to each other and clamping the test cloth, applying a pre-clamping force to the test cloth by the movable clamping blocks at two sides at the moment, and under the action of the moving trend, making the movable clamping blocks at two sides clamp more tightly and the clamping force of the movable clamping blocks at two sides change along with the change of the tension of the test cloth when the middle plate is subjected to the tension of the cloth; the greater the tensile force of the test cloth, the greater the clamping force of the test cloth, so that the self-locking effect is realized. When the first cloth clamp and the second cloth clamp are used for testing cloth, the end parts of the testing cloth bypass the middle plate in a U-shaped mode, and the two movable clamping plates respectively clamp the testing cloth on the two sides of the middle plate, so that the clamping effect is greatly improved; the clamping force of the movable clamping block can be changed along with the tension change of the test cloth; the greater the tensile force of the test cloth, the greater the clamping force of the test cloth, so that the self-locking effect is realized, and power devices such as an air cylinder, a motor and the like are not needed in the clamping process.
The present utility model is not limited to the above-mentioned preferred embodiments, and any person who can obtain other various products under the teaching of the present utility model can make any changes in shape or structure, and all the technical solutions that are the same or similar to the present utility model fall within the scope of the present utility model.
Claims (7)
1. The cloth tensile strength detection device is characterized by comprising a base, wherein a moving device, a first cloth clamp and a second cloth clamp are arranged on the base, the second cloth clamp is arranged on the moving device, and the second cloth clamp is driven to move relative to the first cloth clamp through the moving device; the first cloth clamp is connected with the force sensor;
the first cloth clamp and the second cloth clamp comprise clamp bodies, two movable clamp blocks and an intermediate body, wherein grooves are formed in the clamp bodies, and first guide inclined planes are respectively formed in two sides of each groove; one side of the movable clamping block is provided with a compression surface, the other side of the movable clamping block is provided with a second guide inclined surface, and the second guide inclined surfaces on the two movable clamping blocks are respectively contacted with the first guide inclined surfaces on two sides of the groove;
the middle body comprises a guide constraint plate and a middle plate arranged on the guide constraint plate, dovetail bosses are respectively arranged on two sides of the guide constraint plate, dovetail grooves corresponding to the dovetail bosses are arranged on the movable pressing plates, and the dovetail bosses are in sliding fit with the dovetail grooves; the middle plate is positioned between the two movable pressing plates and provided with a through groove; elastic pieces are respectively arranged between the middle plate and the two movable pressing plates.
2. The cloth tensile strength detection device according to claim 1, wherein the moving device comprises a screw rod, a moving block, a first side plate and a second side plate which are arranged on a bottom plate, a guide rod is arranged between the first side plate and the second side plate, and the moving block is connected to the guide rod in a sliding manner; two ends of the screw rod are respectively connected with the first side plate and the second side plate in a rotating way, one end of the screw rod is connected with the motor, the screw rod is parallel to the guide rod, and the second cloth clamp is fixedly arranged on the moving block; the moving block is provided with a threaded hole matched with the screw rod, and the screw rod passes through the threaded hole; the force sensor is disposed on the first side plate.
3. The cloth tensile strength testing device of claim 2, wherein said motor is a servo motor.
4. A cloth tensile strength testing device according to any one of claims 1-3, wherein said force sensor is a strain gauge force sensor.
5. A cloth tensile strength testing device according to any one of claims 1-3, wherein said elastic member is a spring.
6. The cloth tensile strength detection device according to claim 5, wherein the two sides of the middle plate are respectively provided with a first spring groove, the compression surface of the movable clamping block is provided with a second spring groove corresponding to the first spring groove, and two ends of the spring are respectively connected in the first spring groove and the second spring groove.
7. A cloth tensile strength detecting device according to any one of claims 1-3, wherein the first guiding inclined surface is provided with a guiding groove, and the second guiding inclined surface of the movable clamping block is provided with a guiding boss which is in sliding fit with the guiding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321321805.7U CN219890946U (en) | 2023-05-25 | 2023-05-25 | Cloth tensile strength detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321321805.7U CN219890946U (en) | 2023-05-25 | 2023-05-25 | Cloth tensile strength detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219890946U true CN219890946U (en) | 2023-10-24 |
Family
ID=88407751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321321805.7U Active CN219890946U (en) | 2023-05-25 | 2023-05-25 | Cloth tensile strength detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219890946U (en) |
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2023
- 2023-05-25 CN CN202321321805.7U patent/CN219890946U/en active Active
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