CN215065766U - Vertical sweater density stretching instrument - Google Patents
Vertical sweater density stretching instrument Download PDFInfo
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- CN215065766U CN215065766U CN202120816011.2U CN202120816011U CN215065766U CN 215065766 U CN215065766 U CN 215065766U CN 202120816011 U CN202120816011 U CN 202120816011U CN 215065766 U CN215065766 U CN 215065766U
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- sweater
- guide rail
- chuck
- vertical
- eccentric sleeve
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Abstract
The utility model provides a vertical sweater density extensometer, it adopts the sensor to learn the size of power for the pulling force test wide range, the practicality is good. The sweater clamping device structurally comprises a box body, a clamping mechanism and a transmission mechanism, wherein the clamping mechanism comprises an upper clamping head and a lower clamping head which are arranged up and down, the upper clamping head and the lower clamping head are respectively used for clamping a sweater, and the sweater clamping device also comprises a signal acquisition mechanism, the signal acquisition mechanism comprises a force sensor, and the force sensor is connected with the upper clamping head; the transmission mechanism comprises a guide rail, a guide block is connected to the guide rail, the guide block moves along the guide rail, and the guide block is connected with the lower chuck.
Description
Technical Field
The utility model relates to a sweater test instrument technical field specifically is a vertical sweater density extensometer.
Background
The knitted fabric has the advantages that the zip-top density value is an important index for evaluating the internal quality of a product and is also an important basis for optimizing the production process. Therefore, it is a common and important task for knitted fabric manufacturers and textile quality control organizations to test the tightness of knitted fabrics. Application number is 200920351012.3 a patent discloses a sweater density extensometer, it can be used for testing knitted fabric's the value of drawing closely, it presses on the weight balancing frame through placing the balancing weight, utilize the decurrent principle of gravity, it fixes on the weight balancing frame to remove the clamp splice, the sample rises and descends along with removing the clamp splice, realize the tensile force conversion of gravity to the sample, reach the tensile purpose of deciding the power, but this sweater density extensometer's tensile force configuration is formed by the combination of balancing weight, the weight balancing frame volume is limited, can only dispose the combination of several balancing weights and form tensile force about 10, tensile quantity and scope are all very limited, the tensile test of sweater density is more and more refined at present, it is more subtle and extensive to tensile requirement, original patent product can not satisfy the requirement.
SUMMERY OF THE UTILITY MODEL
To the limited problem of traditional sweater density extensometer tensile test scope, the utility model provides a vertical sweater density extensometer, its tensile test scope is wide, and the practicality is good.
The technical scheme is as follows: the utility model provides a vertical sweater density tensile appearance, its includes box, fixture, drive mechanism, fixture is including the last chuck and the lower chuck that set up from top to bottom, go up the chuck with the lower chuck is used for centre gripping sweater, its characterized in that respectively: the device also comprises a signal acquisition mechanism, wherein the signal acquisition mechanism comprises a force sensor, and the force sensor is connected with the upper chuck; the transmission mechanism comprises a guide rail, a guide block is connected to the guide rail, the guide block moves along the guide rail, and the guide block is connected with the lower chuck.
It is further characterized in that:
the upper chuck is connected with the first connecting end of the force sensor through an upper base plate, the lower chuck is connected with the second connecting end of the guide block through a lower base plate, the upper chuck and the lower chuck respectively comprise a rotating shaft, an eccentric sleeve and a clamping block, the eccentric sleeve is connected with the rotating shaft and rotates through the rotating shaft, and the distance between the eccentric sleeve and the clamping block changes along with the rotation of the eccentric sleeve;
the upper base plate and the lower base plate are respectively connected with the rotating shaft and the clamping block, the eccentric sleeve is also connected with a handle, the clamping block is cylindrical, and the eccentric sleeve and the clamping block are arranged up and down;
the transmission mechanism further comprises a motor, the output end of the motor is connected with a synchronous wheel through a synchronous belt, the synchronous wheel drives a guide rail belt to move, and the guide rail belt is connected with the guide block;
the device also comprises a base arranged at the bottom of the box body, and universal wheels are arranged on the base;
the box body is provided with a guide rail groove, and the guide block is connected with the lower chuck through a connecting piece penetrating through the guide rail groove;
the force sensor, the motor, the output equipment and the input equipment are respectively connected with the controller in an electric control mode.
The utility model has the advantages that: the sweater drawing test method comprises the steps that after a sweater is clamped on an upper chuck and a lower chuck respectively, the drawing force is set, the lower chuck is far away from the upper chuck through a guide block on a guide rail so as to draw the sweater, the real-time drawing force is obtained through a force sensor until the set drawing force value is reached, the sweater extension distance is measured and the drawing force value is obtained through conversion, and the preset drawing force range is wide due to the fact that the force sensor is high in precision, and only the traditional drawing force selection obtained by combining weighing blocks is relied, so that different drawing force requirements of a sweater drawing test can be met; furthermore, the requirements of applying accurate constant tension to the sample and accurately measuring the elongation of the sample can be met, and the method is more accurate compared with manual testing.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic back view of the present invention;
FIG. 3 is a schematic view of a chuck structure;
fig. 4 is a schematic view of the internal structure of the present invention.
In the figure, 1 is a box body, 2 is a base, 3 is a universal wheel, 4 is an upper chuck, 4-1 is an upper bottom plate, 5 is a lower chuck, 5-1 is a lower bottom plate, 6 is a guide rail groove, 7 is a quick test key, 8 is an LCD display screen, 9 is a function key, 10 is a main control circuit board, 11 is a power switch, 12 is a power line socket, 13 is a maintenance window, 14 is a portable power supply, 15 is a force sensor, 16 is a matched power supply, 17 is a driver, 18 is a power supply one, 19 is a wire groove, 20 is a motor, 21 is a connecting end one, 22 is a connecting end two, 23 is a guide block, 24 is a guide rail, 25 is a guide rail belt, 26 is a synchronous wheel, 27 is a synchronous belt, 28 is a motor output end, 29 is an eccentric sleeve, 30 is a rotating shaft, 31 is a clamping block and 32 is a handle.
Detailed Description
As shown in fig. 1, fig. 2 and fig. 4, the vertical sweater density stretching instrument comprises a box body 1, a base 2, a clamping mechanism and a transmission mechanism, wherein the box body 1 is made of a metal material in a long cubic shape, a maintenance window 13 is arranged at the upper part of the back surface of the box body 1, a power switch 11 and a power line socket 12 are arranged at the lower part of the back surface of the box body 1, the base 2 is made of a square metal material, the box body 1 and the base 2 are separated and fixedly installed by long screws, and 4 universal wheels 3 are arranged below the base, so that the vertical sweater density stretching instrument is convenient to move in a workshop. The clamping mechanism comprises an upper clamping head 4 and a lower clamping head 5 which are arranged up and down, the upper clamping head 4 and the lower clamping head 5 are respectively used for clamping the sweater, the clamping mechanism further comprises a signal acquisition mechanism, the signal acquisition mechanism comprises a force sensor 15, and the upper clamping head 4 is fixed on the force sensor 15; the transmission mechanism comprises a guide rail 24, a guide block 23 is connected to the guide rail 24, the guide block 23 moves along the guide rail 24, and the guide block 23 is connected with the lower chuck 5 through a connecting piece which penetrates through a guide rail groove 6 formed in the box body 1.
The model of force sensor 15 is ZEMIC-L6C-10kg, and it is fixed in box 1, the optional model of guide rail 24: the cross sliding table module belt transmission stepping electric synchronous belt linear guide rail, the drawing force is sensed and measured by a sensor 15 fixed with a chuck 4, a sweater is respectively clamped on an upper chuck 4 and a lower chuck 5, the drawing force can be set by a function key 9, then a guide block 23 on a guide rail 24 is driven by a stepping motor 20 to enable the lower chuck 5 to be away from the upper chuck 4 at a constant speed so as to draw the sweater at a constant speed, the real-time drawing force is obtained by the force sensor 15 until the set drawing force value is reached, the drawing force value is obtained by converting the drawing distance of the sweater at the moment, the precision of the force sensor is high, the preset drawing force range is wide, the drawing force is selected only by the traditional combination of several types of weighing blocks, different drawing force requirements of a sweater drawing test can be met, meanwhile, the requirements of applying accurate constant drawing force to a sample and accurately measuring the elongation of the sample can also be met, compared with manual testing, the method is more accurate; in addition, the scheme is not only suitable for the sweater but also suitable for testing the tightness values of other fabrics.
Specifically, referring to fig. 1, 3 and 4, the upper chuck 4 is connected to the first connecting end 21 of the force sensor 15 through the upper base plate 4-1, the lower chuck 5 is connected to the second connecting end 22 of the guide block 23 through the lower base plate 5-1, the upper chuck 4 and the lower chuck 5 respectively include a rotating shaft 30, an eccentric sleeve 29 and a clamping block 31, which are all made of stainless steel, the eccentric sleeve 29 is connected to the rotating shaft 30 and rotates through the rotating shaft 30, a connecting point of the eccentric sleeve 29 and the rotating shaft 30 is far away from a center of the eccentric sleeve 29, the eccentric sleeve 29 can be sleeved on the rotating shaft 30 and rotate along the rotating shaft 30, or the eccentric sleeve 29 is fixed to the rotating shaft 30 and the rotating shaft 30 is rotatably connected to the base plate, and a distance between the eccentric sleeve 29 and the clamping block 31 changes along with rotation of the eccentric sleeve 29. More specifically, the upper base plate 4-1 and the lower base plate 4-2 are respectively connected with a rotating shaft 30 and a clamping block 31, the eccentric sleeve 29 is also connected with a handle 32, the clamping block 31 is cylindrical, and the eccentric sleeve 29 and the clamping block 31 are arranged up and down. As shown in FIG. 3, when the handle 32 is pressed downwards, the distance between the eccentric sleeve 29 and the clamping block 31 is minimum, so that when a sample is clamped, the sample can be clamped only by placing the sample between the eccentric sleeve 29 and the clamping block 31 and then rotating the eccentric sleeve 29 or pressing the handle 32 downwards, the sample is convenient to clamp, and in addition, a layer of rubber material can be sleeved outside the clamping block 31 to increase friction force so as to clamp the sample.
With reference to fig. 4, the transmission mechanism further includes a motor 20 and a driver 17, which are specifically step motors, wherein the step motor 20 adopts a closed-loop step motor driving system, and the model of the motor 20 is as follows: 57 EBP143ALC-TFC, drive 17 model: HBS57, a driver and a power supply I18 (model: LRS-150-24) are fixed in the box body 1, the output end 28 of the motor is connected with a synchronous wheel 26 through a synchronous belt 27, the synchronous wheel 26 drives a guide rail belt 25 to move, and the guide rail belt 25 is connected with a guide block 23; thus, the motor is controlled to drive the guide block 23 to move, so that the lower chuck 5 can be driven to move by the guide block 23.
With reference to fig. 1 and 4, the device further comprises an output device (LCD display screen 8) and an input device (function key 9), wherein the force sensor 15, the motor 20, the output device and the input device are electrically connected with a controller respectively, the controller is a main control circuit board 10 and a matched power supply 16 (model: JMD 10-55T), the controller is fixed in the case body 1, the LCD display screen 8 and the function key 9 are exposed outside the case body 1 and fixedly connected with the main control circuit board 10, the function key 9 can complete functions of testing, function selection, pause, reset, setting, return and the like, the functions can be compiled by lower computer programs on the main control circuit board, and a shortcut test key 7 is arranged on the front surface of the instrument case body 1 to play a role in starting/stopping testing, so that an operator can use the device conveniently.
In addition, all the electrical components are wired through the wire grooves 19, the instrument can be plugged for use, and a portable power source 14 (type: Deliver (12V) portable lithium battery) can be placed on the base 2 so as to be conveniently moved and used in a workshop. The closed-loop stepping motor driving system has the characteristics of high positioning precision, good high-speed and acceleration and deceleration performances, stable operation, low noise and the like, ensures the requirements of high-speed stretching and high-precision positioning of the instrument, and effectively improves the testing efficiency and the testing precision of the instrument.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides a vertical sweater density tensile appearance, its includes box, fixture, drive mechanism, fixture is including the last chuck and the lower chuck that set up from top to bottom, go up the chuck with the lower chuck is used for centre gripping sweater, its characterized in that respectively: the device also comprises a signal acquisition mechanism, wherein the signal acquisition mechanism comprises a force sensor, and the force sensor is connected with the upper chuck; the transmission mechanism comprises a guide rail, a guide block is connected to the guide rail, the guide block moves along the guide rail, and the guide block is connected with the lower chuck.
2. The vertical sweater density stretching instrument of claim 1, characterized in that: the upper chuck is connected with the first connecting end of the force sensor through the upper base plate, the lower chuck is connected with the second connecting end of the guide block through the lower base plate, the upper chuck and the lower chuck respectively comprise a rotating shaft, an eccentric sleeve and a clamping block, the eccentric sleeve is connected with the rotating shaft and passes through the rotating shaft to rotate, and the distance between the eccentric sleeve and the clamping block is changed along with the rotation of the eccentric sleeve.
3. The vertical sweater density stretching instrument of claim 2, characterized in that: the upper base plate and the lower base plate are respectively connected with the rotating shaft and the clamping block, the eccentric sleeve is further connected with a handle, the clamping block is cylindrical, and the eccentric sleeve and the clamping block are arranged up and down.
4. The vertical sweater density stretching instrument according to any one of claims 1 to 3, characterized in that: the transmission mechanism further comprises a motor, the output end of the motor is connected with a synchronous wheel through a synchronous belt, the synchronous wheel drives a guide rail belt to move, and the guide rail belt is connected with the guide block.
5. The vertical sweater density stretching instrument of claim 1, characterized in that: the box body is characterized by further comprising a base arranged at the bottom of the box body, and universal wheels are arranged on the base.
6. The vertical sweater density stretching instrument according to any one of claims 1 to 3, characterized in that: the box body is provided with a guide rail groove, and the guide block is connected with the lower chuck through a connecting piece penetrating through the guide rail groove.
7. The vertical sweater density stretching instrument of claim 4, characterized in that: the force sensor, the motor, the output equipment and the input equipment are respectively connected with the controller in an electric control mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120816011.2U CN215065766U (en) | 2021-04-21 | 2021-04-21 | Vertical sweater density stretching instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120816011.2U CN215065766U (en) | 2021-04-21 | 2021-04-21 | Vertical sweater density stretching instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215065766U true CN215065766U (en) | 2021-12-07 |
Family
ID=79110641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120816011.2U Active CN215065766U (en) | 2021-04-21 | 2021-04-21 | Vertical sweater density stretching instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215065766U (en) |
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2021
- 2021-04-21 CN CN202120816011.2U patent/CN215065766U/en active Active
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