CN213481938U

CN213481938U - Crease stiffness tester

Info

Publication number: CN213481938U
Application number: CN202022046432.XU
Authority: CN
Inventors: 彭再林; 彭建国
Original assignee: Guangzhou Shangzhun Instrument Equipment Co ltd
Current assignee: Guangzhou Shangzhun Instrument Equipment Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-06-18
Anticipated expiration: 2030-09-17

Abstract

The utility model discloses a crease stiffness tester, which comprises a shell, a clamp, a pressure sensor and a processor, wherein the front side of the shell is provided with a workbench, the clamp is rotatably arranged on the workbench and is connected with a servo motor arranged in the workbench, the position of the front side wall of the shell, which is positioned at the rear side of the clamp, is provided with a through groove, a moving mechanism is arranged in the through groove, the pressure sensor passes through the through groove and is connected with the moving mechanism, so that the pressure sensor can slide left and right to adjust the distance between the pressure sensor and the clamp, the position of the shell, which is close to the top, is provided with a touch screen and a power switch, the processor is arranged in the shell, the utility model not only is provided with a group of clamps, but also can measure the stiffness or crease force value of any angle and can adjust the distance between the pressure sensor and the clamp, the paper size tester is suitable for various paper sizes to be tested, and is more convenient to use.

Description

Crease stiffness tester

Technical Field

The utility model relates to a stiffness test equipment technical field especially relates to a crease stiffness tester.

Background

At present, a commonly used paper crease stiffness tester comprises a shell, two groups of clamps connected with a motor and pressure sensors fixedly arranged corresponding to the clamps, wherein one group is fixedly rotated by 15 degrees and used for measuring a stiffness force, and the other group is fixedly rotated by 90 degrees and used for measuring a crease force; the first group is used for testing 15-degree stiffness, one end of paper with a crease to be tested is clamped through a clamp, the other end of the paper with the crease to be tested is contacted with a pressure sensor, a motor with a set rotation angle of 15 degrees is started, the motor rotates to drive a paper clamping device to rotate by a fixed angle of 15 degrees, and the stiffness of the paper acts on the pressure sensor to obtain the value of the stiffness; and (3) carrying out 90-degree crease force test for the second time, wherein the process is basically the same as the first time, and the difference is that a motor with a set rotation angle of 90 degrees is selected to drive the paper clamping device to rotate by a fixed angle of 90 degrees, so that the numerical value of the crease force is measured. The device has the following defects that firstly, two groups of clamps are required to be arranged, and the two groups of rotating angles are fixed, so that the tests of other angles cannot be carried out, and the numerical values of the stiffness force or the crease force of other angles cannot be obtained; secondly, the sensor is fixed in position, paper with corresponding size can only be measured, and when the paper to be measured is too large or too small, the paper is clamped on the clamp and cannot be contacted with the pressure sensor, measurement cannot be carried out, and great inconvenience is brought.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a crease stiffness tester not only sets up a set of anchor clamps, can survey the stiffness or crease power numerical value of arbitrary angle simultaneously, can adjust the distance between pressure sensor and the anchor clamps moreover, makes its size that is applicable to various papers that await measuring, and it is more convenient to use.

The purpose of the utility model is realized by adopting the following technical scheme:

the crease stiffness tester comprises a shell, a clamp, a pressure sensor and a processor, wherein a workbench is arranged at the position, close to the bottom, of the front side wall of the shell in a protruding mode, the clamp is rotatably arranged on the workbench and connected with a servo motor arranged in the workbench, and the clamp is used for clamping paper to be tested;

a through groove is formed in the position, located on the rear side of the clamp, of the front side wall of the shell (the length of the through groove can be set according to actual needs), a moving mechanism is arranged in the through groove, the moving mechanism is arranged in the shell, and the pressure sensor penetrates through the through groove to be connected with the moving mechanism, so that the pressure sensor can slide left and right to adjust the distance between the pressure sensor and the clamp;

the position that the casing is close to the top is provided with touch-sensitive screen and switch, the treater sets up in the casing, the treater respectively with servo motor, moving mechanism, pressure sensor, touch-sensitive screen and switch circuit connect. And a power supply device for supplying power is also arranged in the shell.

Further, anchor clamps include anchor clamps body, knob, fixed clamp tooth, removal clamp tooth and drive mechanism, the knob rotates to be set up anchor clamps body one side, fixed clamp tooth sets up with removing the clamp tooth the opposite side of anchor clamps body, remove clamp tooth sliding connection on the anchor clamps body, remove the clamp tooth pass through drive mechanism with the knob links to each other, through the rotation during the knob, can make it is close to or keep away from to remove the clamp tooth fixed clamp tooth, the accessible selects the knob to adjust the distance that removes between clamp tooth and the fixed clamp tooth during the use to realize the centre gripping or loosen the paper that awaits measuring.

Further, the transmission mechanism comprises a gear and a rack, the gear is arranged at the inner end part of the knob, the rack is fixedly connected with the inner end part of the movable clamping teeth, the rack is meshed with the gear, the rotary motion of the knob is converted into the linear motion of the movable clamping teeth through a gear-rack structure, the structure is simple, and the operation is convenient.

Furthermore, a sliding groove for the movable clamping teeth to slide is formed in the fixture body, the sliding groove extends forwards and backwards, an extending portion penetrating through the sliding groove is arranged at the lower end of the movable clamping teeth, the extending portion is connected with the knob through the transmission mechanism, the moving path of the movable clamping teeth is limited through the sliding groove, and a limiting effect is achieved.

Further, moving mechanism includes lead screw slide rail and driving motor, pressure sensor is fixed to be set up on the slip table of lead screw slide rail, and the tip is outstanding outside leading to the groove, the driving motor drive end with the lead screw slide rail links to each other for the drive slip table horizontal slip, driving motor with treater circuit connection, through treater control driving motor to accurate control slip table's slip realizes the distance between accurate regulation pressure sensor and the anchor clamps.

Further, casing top front side is provided with the high inclined plane in low back before, touch-sensitive screen and switch set up on the inclined plane for touch-sensitive screen and switch are towards the user, are convenient for operate and watch.

Compared with the prior art, the beneficial effects of the utility model reside in that:

(1) the clamp is arranged, any rotation angle can be selected through the touch screen, the processor controls the servo motor to drive the clamp to rotate by a corresponding angle, so that the stiffness force or crease force value of any angle can be measured, only one group of clamps are arranged, and the stiffness force or crease force value of any angle can be measured;

(2) the moving mechanism is arranged, and the distance between the pressure sensor and the clamp is adjusted through the touch screen, so that the processor controls the moving mechanism to drive the pressure sensor to move left and right by a corresponding distance, the paper size testing device is suitable for various paper sizes to be tested, and the use is more convenient;

the utility model discloses not only set up a set of anchor clamps, can survey the deflection power or the crease power numerical value of arbitrary angle simultaneously, can adjust the distance between pressure sensor and the anchor clamps moreover, make its size that is applicable to various papers that await measuring, it is more convenient to use.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

figure 2 is a front view (partly in section) of an embodiment of the invention;

fig. 3 is a schematic structural diagram of a moving mechanism in an embodiment of the present invention;

fig. 4 is a schematic structural diagram of the clamp according to the embodiment of the present invention.

In the figure: 1. a housing; 11. a touch screen; 12. a power switch; 13. a through groove; 14. a work table; 2. a clamp; 21. a clamp body; 211. a chute; 22. a knob; 23. fixing the clamp teeth; 24. moving the clamping teeth; 241. an extension portion; 25. a transmission mechanism; 251. a gear; 252. a rack; 3. a pressure sensor; 4. a moving mechanism; 41. a screw slide rail; 411. a sliding table; 42. a drive motor; 5. a servo motor.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

As shown in fig. 1-4, the crease stiffness tester comprises a housing 1, a clamp 2, a pressure sensor 3 and a processor, wherein a workbench 14 is protrudingly arranged at a position, close to the bottom, of the front side wall of the housing 1, the clamp 2 is rotatably arranged on the workbench 14 and is connected with a servo motor 5 arranged in the workbench 14, and the clamp 2 is used for clamping paper to be tested;

a through groove 13 is formed in the position, located on the rear side of the clamp 2, of the front side wall of the shell 1 (the length of the through groove 13 can be set according to actual needs), a moving mechanism 4 is arranged in the through groove 13, the moving mechanism 4 is arranged in the shell 1, and the pressure sensor 3 penetrates through the through groove 13 to be connected with the moving mechanism 4, so that the pressure sensor 3 can slide left and right to adjust the distance between the pressure sensor 3 and the clamp 2;

the position that casing 1 is close to the top is provided with touch-sensitive screen 11 and switch 12, waterproof explosion-proof touch-sensitive screen is chooseed for use to touch-sensitive screen 11, treater (not shown in the figure) sets up in the casing 1, the treater respectively with servo motor 5, moving mechanism 4, pressure sensor 3, touch-sensitive screen 11 and switch 12 circuit connection. A power supply device (not shown in the figure) for supplying power is further arranged in the shell 1, and the power supply device is externally connected with a power line.

In this embodiment, the clamp 2 includes a clamp body 21, a knob 22, a fixed clamping tooth 23, a movable clamping tooth 24 and a transmission mechanism 25, the knob 22 is rotatably disposed on one side of the clamp body 21, the fixed clamping tooth 23 and the movable clamping tooth 24 are disposed on the other side of the clamp body 21, the movable clamping tooth 24 is slidably connected to the clamp body 21, the movable clamping tooth 24 is connected to the knob 22 through the transmission mechanism 25, when the knob 22 is rotated, the movable clamping tooth 24 can be close to or far away from the fixed clamping tooth 23, and when the clamp is used, the distance between the movable clamping tooth 24 and the fixed clamping tooth 23 can be adjusted by selecting the knob 22, so as to clamp or loosen the paper to be tested.

In this embodiment, the transmission mechanism 25 includes a gear 251 and a rack 252, the gear 251 is disposed at an inner end of the knob 22, the rack 252 is fixedly connected to an inner end of the movable clamp 24, the rack 252 is engaged with the gear 251, and the rack 252 converts the rotary motion of the knob 22 into the linear motion of the movable clamp 24 through the structure of the gear 251 and the rack 252, and has a simple structure and is convenient to operate.

In this embodiment, the clamp body 21 is provided with a sliding slot 211 for the movable clamping tooth 24 to slide, the sliding slot 211 extends forward and backward, the lower end of the movable clamping tooth 24 is provided with an extending portion 241 penetrating through the sliding slot 211, the extending portion 241 is connected with the knob 22 through the transmission mechanism 25, and the sliding slot 211 limits the moving path of the movable clamping tooth 24 to achieve a limiting effect.

In this embodiment, the moving mechanism 4 includes a screw rod slide rail 41 and a driving motor 42, the pressure sensor 3 is fixedly disposed on the sliding table 411 of the screw rod slide rail 41, and the end portion protrudes out of the through groove 13, the driving end of the driving motor 42 is connected with the screw rod slide rail 41 for driving the sliding table 411 to slide left and right, the driving motor 42 is connected with the processor circuit, and the driving motor 42 is controlled by the processor, so that the sliding of the sliding table 411 is accurately controlled, and the distance between the pressure sensor 3 and the fixture 2 is accurately adjusted.

In this embodiment, the front side of the top of the housing 1 is provided with an inclined plane with a lower front part and a higher rear part, and the touch screen 11 and the power switch 12 are arranged on the inclined plane, so that the touch screen 11 and the power switch 12 face the user, and the operation and the observation are convenient.

The utility model discloses a theory of operation:

during operation, through 2 centre gripping papers that await measuring of anchor clamps, power switch 12 is opened, select the test angle through touch-sensitive screen 11 immediately, adjust the distance between 2 and pressure sensor 3 of anchor clamps through touch-sensitive screen 11 simultaneously, make the other end of the paper that awaits measuring and pressure sensor 3 contact, through 11 start-up procedures of touch-sensitive screen, make treater drive servo motor 5 drive anchor clamps 2 rotatory preset angle, the crease power or the deflection power of the paper that awaits measuring act on pressure sensor 3, pressure sensor 3 shows the numerical value of crease power or deflection power on touch-sensitive screen 11, accomplish the test.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. Crease stiffness tester, including casing (1), anchor clamps (2), pressure sensor (3) and treater, its characterized in that: a workbench (14) is arranged on the front side of the shell (1), the clamp (2) is rotatably arranged on the workbench (14) and is connected with a servo motor (5) arranged in the workbench (14), and the clamp (2) is used for clamping paper to be tested;

a through groove (13) is formed in the position, located on the rear side of the clamp (2), of the front side wall of the shell (1), a moving mechanism (4) is arranged in the through groove (13), and the pressure sensor (3) penetrates through the through groove (13) to be connected with the moving mechanism (4), so that the pressure sensor (3) can slide left and right to adjust the distance between the pressure sensor (3) and the clamp (2);

the position that casing (1) is close to the top is provided with touch-sensitive screen (11) and switch (12), the treater sets up in casing (1), the treater respectively with servo motor (5), moving mechanism (4), pressure sensor (3), touch-sensitive screen (11) and switch (12) circuit connection.

2. The crease stiffness tester of claim 1, characterized in that: anchor clamps (2) include anchor clamps body (21), knob (22), fixed clamp tooth (23), remove and press from both sides tooth (24) and drive mechanism (25), knob (22) rotate to set up anchor clamps body (21) one side, fixed clamp tooth (23) with remove press from both sides tooth (24) and set up the opposite side of anchor clamps body (21), remove and press from both sides tooth (24) sliding connection in on anchor clamps body (21), remove press from both sides tooth (24) pass through drive mechanism (25) with knob (22) link to each other, through the rotation during knob (22), can make it is close to or keeps away from to remove clamp tooth (24) fixed clamp tooth (23).

3. The crease stiffness tester of claim 2, characterized in that: the transmission mechanism (25) comprises a gear (251) and a rack (252), the gear (251) is arranged at the inner end part of the knob (22), the rack (252) is fixedly connected with the inner end part of the movable clamping teeth (24), and the rack (252) is meshed with the gear (251).

4. The crease stiffness tester of claim 2, characterized in that: the clamp is characterized in that a sliding groove (211) for the movable clamping teeth (24) to slide is formed in the clamp body (21), an extending portion (241) penetrating through the sliding groove (211) is arranged at the lower end of the movable clamping teeth (24), and the extending portion (241) is connected with the knob (22) through the transmission mechanism (25).

5. The crease stiffness tester of claim 1, characterized in that: moving mechanism (4) include lead screw slide rail (41) and driving motor (42), pressure sensor (3) are fixed to be set up on slip table (411) of lead screw slide rail (41), and the tip is outstanding outside logical groove (13), driving motor (42) drive end with lead screw slide rail (41) link to each other for the drive slip table (411) horizontal slip, driving motor (42) with processor circuit connects.

6. The crease stiffness tester of claim 1, characterized in that: the front side of the top of the shell (1) is provided with an inclined plane which is low in front and high in back, and the touch screen (11) and the power switch (12) are arranged on the inclined plane.