阅读说明：本技术 一种超薄材料的夹持装置及其夹紧方法 (Clamping device and clamping method for ultrathin material ) 是由 陈永剑 常勇 于 2021-07-28 设计创作，主要内容包括：本发明属于材料夹紧技术领域,更具体地,涉及一种超薄材料的夹持装置及其夹紧方法,包括拉伸装置、用于检测超薄材料的厚度的检测装置、机架及控制装置,超薄材料的一侧固定在机架上,拉伸装置的驱动端与超薄材料的另一侧连接,检测装置的信号输出端与控制装置的输入端连接,控制装置的输出端与拉伸装置的控制端连接,控制装置控制拉伸装置运动拉紧超薄材料,拉伸装置及检测装置均固定在机架上；本装置能够根据超薄材料的厚度数据匹配相应的拉紧力,实现超薄材料的自动拉紧；拉伸装置控制活动夹持装置远离固定夹持装置,实现超薄材料的拉伸平整,通过检测装置测量超薄材料的厚度匹配相应的拉紧力,防止将超薄材料拉伸过度,控制方便,结构简单。(The invention belongs to the technical field of material clamping, and particularly relates to a clamping device and a clamping method for an ultrathin material, wherein the clamping device comprises a stretching device, a detection device for detecting the thickness of the ultrathin material, a rack and a control device, one side of the ultrathin material is fixed on the rack, the driving end of the stretching device is connected with the other side of the ultrathin material, the signal output end of the detection device is connected with the input end of the control device, the output end of the control device is connected with the control end of the stretching device, the control device controls the stretching device to move to tension the ultrathin material, and the stretching device and the detection device are both fixed on the rack; the device can match corresponding tension force according to the thickness data of the ultrathin material, and realizes automatic tensioning of the ultrathin material; the stretching device controls the movable clamping device to be far away from the fixed clamping device, stretching flattening of the ultrathin material is achieved, the thickness of the ultrathin material is measured through the detection device to match with corresponding tension force, the ultrathin material is prevented from being stretched excessively, control is convenient, and the structure is simple.)

1. The utility model provides a clamping device of ultra-thin material, characterized in that, includes stretching device (1), is used for detecting detection device (3), frame (4) and the controlling means of the thickness of ultra-thin material (2), one side of ultra-thin material (2) is fixed on frame (4), the drive end of stretching device (1) with the opposite side of ultra-thin material (2) is connected, the signal output part of detecting device (3) with controlling means's input is connected, controlling means's output with the control end of stretching device (1) is connected, controlling means control stretching device (1) motion is taut ultra-thin material (2), stretching device (1) and detecting device (3) all fix frame (4) on.

2. The ultra-thin material clamping device according to claim 1, further comprising a clamping device, wherein the clamping device comprises a fixed clamping device (5) and a movable clamping device (6), one side of the ultra-thin material (2) is connected to the frame (4) through the fixed clamping device (5), the driving end of the stretching device (1) is connected to the other side of the ultra-thin material (2) through the movable clamping device (6), wherein the fixed clamping device (5) is fixed to the frame (4), the fixed clamping device (5) clamps one side of the ultra-thin material (2), the movable clamping device (6) is movably mounted to the frame (4), the movable clamping device (6) clamps the other side of the ultra-thin material (2), and the driving end of the stretching device (1) is connected to the movable clamping device (6), the stretching device (1) drives the movable clamping device (6) to move to tension the ultrathin material (2).

3. The ultra-thin material clamping device as claimed in claim 2, wherein the fixed clamping device (5) comprises a first lower clamping plate (15), a second upper clamping plate (16) and a first lifting cylinder (17), the first lower clamping plate (15) is connected with the frame (4), the second upper clamping plate (16) is connected with the driving end of the first lifting cylinder (17), the first lifting cylinder (17) controls the second upper clamping plate (16) to be attached to or detached from the first lower clamping plate (15), the first lifting cylinder (17) is fixed on the frame (4), and the ultra-thin material (2) is placed between the first lower clamping plate (15) and the first upper clamping plate (16).

4. The ultra-thin material clamping device as claimed in claim 3, wherein the movable clamping device (6) comprises a third lower clamping plate (18), a fourth upper clamping plate (19) and a second lifting cylinder (20), the third lower clamping plate (18) is connected with the driving end of the stretching device (1), the fourth upper clamping plate (19) is connected with the driving end of the second lifting cylinder (20), the second lifting cylinder (20) controls the fourth upper clamping plate (19) to be attached to or detached from the third lower clamping plate (18), the second lifting cylinder (20) is fixed on the third lower clamping plate (18), and the ultra-thin material (2) is placed between the second lower clamping plate (18) and the second upper clamping plate (19).

5. The clamping device for ultra-thin materials as claimed in claim 4, wherein the stretching device (1) comprises a driving motor (21), a screw (22) and a nut (23), an output shaft of the driving motor (21) is connected with the screw (22), the nut (23) and the screw (22) form a screw transmission pair, one side of the third lower clamping plate (18) is connected with the nut (23), the driving motor (21), the screw (22) and the guide rod (24) are all fixed on the frame (4), and an output end of the control device is electrically connected with a control end of the driving motor (21).

6. A clamping device for ultra-thin materials as claimed in claim 5, wherein the third lower clamping plate (18) is further sleeved with a guide rod (24), both ends of the guide rod (24) are fixed on the frame (4), and the third clamping plate (18) can slide along the guide rod (24).

7. A holding device for ultra-thin materials according to any of claims 1-6, characterized in that the detecting device (3) comprises a mounting base (7), a horizontal moving cylinder (8) and a thickness measuring mechanism (9), the thickness measuring mechanism (9) is connected with the driving end of the horizontal moving cylinder (8), the driving end of the horizontal moving cylinder (8) is connected with the output end of the control device, the horizontal moving cylinder (8) is fixed on the mounting base (7), and the mounting base (7) is fixed on the frame (4).

8. The ultra-thin material clamping device as claimed in claim 7, wherein the thickness measuring mechanism (9) comprises a support frame (10), an upper probe (11), a lower probe (12), a lifting moving cylinder (13) and a distance sensor (14) for measuring the moving distance of the lifting moving cylinder (13), the upper probe (11) is connected with the driving end of the lifting moving cylinder (13), the lower probe (12) is fixed on the support frame (10), the upper probe (11) and the lower probe (12) are coaxially arranged along the Z-axis direction, the supporting frame (10) is connected with the driving end of the horizontal moving cylinder (8), the lifting moving cylinder (13) and the distance sensor (14) are both arranged on the supporting frame (10), and the distance sensor (14) is connected with the input end of the control device.

9. The ultra-thin material holding apparatus as claimed in claim 8, wherein the control means comprises a controller (25), a first sensor (26) and a second sensor (27), the first sensor (26) is provided on the holding apparatus and the first sensor (26) is connected to an input of the controller (25), the second sensor (27) is provided on the stretching apparatus (1) and the second sensor (27) is connected to an input of the controller (25).

10. A clamping method of an ultrathin material is characterized by comprising the following steps:

connecting two ends of the ultrathin material (2) with the rack (4) and the stretching device (1) through a clamping device;

transmitting a clamping completion signal of the ultrathin material (2) to the controller (25) through the first sensor (26), wherein the controller (25) controls the detection device (3) to measure the thickness of the ultrathin material (2);

the distance sensor (14) transmits the measured thickness data of the ultrathin material (2) to the controller (25), and the controller (25) matches the tension force of the stretching device (1) according to the thickness data;

the controller (25) controls the driving motor (21) to be started to tension the ultrathin material (2);

the second sensor (27) transmits a stretching completion signal to the controller (25), and the controller (25) controls the driving motor (21) to stop working so as to complete the tensioning action of the ultrathin material (2).

Technical Field

The invention belongs to the technical field of material clamping, and particularly relates to a clamping device and a clamping method for an ultrathin material.

Background

With the continuous development of laser cutting technology, the range of materials which can be cut by laser is more and more extensive, and in the existing laser cutting technology, the materials to be cut need to be clamped and then cut under the action of laser cutting equipment. Traditional clamping equipment has great limitation to the kind of material centre gripping and the size of material because the limitation of self design, especially under the condition that the texture and the size of some materials differ, very easily appears unstably during the cutting, and clamping equipment will influence the cutting precision to the material among the laser machining process to the clamping action of waiting to cut the material. Therefore, in the field of ultrathin material cutting, the application of the laser cutting technology is few, the reason is that the problem of clamping the ultrathin material is difficult to solve, and the ultrathin material is too thin and is easy to deform, so that in order to apply the laser cutting technology to the field of ultrathin material cutting, a clamping device is urgently needed to be designed, the ultrathin material can be clamped quickly, and the ultrathin material is stretched and leveled.

Chinese patent CN105690156A published in 2016, 06, 22 is named as a thin sheet fixture, which uses a controllable cylinder of a controller to push a clamping plate to clamp a sheet in the horizontal direction, uses an air output device to position the thin sheet in the vertical direction without hard contact with the thin sheet, and uses a sensor to judge whether the sheet is pressed tightly according to a signal transmitted by a first pressure sensor, and detects whether the lower surface of the sheet is flat, and if the sheet is not flat, an alarm is sent out through the alarm.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides a clamping device and a clamping method for an ultrathin material, which can quickly clamp the ultrathin material and stretch the ultrathin material to be flat.

In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides an ultra-thin material's clamping device, includes stretching device, the detection device who is used for detecting ultra-thin material's thickness, frame and controlling means, one side of ultra-thin material is fixed in the frame, stretching device's drive end with ultra-thin material's opposite side is connected, detection device's signal output part with controlling means's input is connected, controlling means's output with stretching device's control end is connected, controlling means control stretching device motion is taut ultra-thin material, stretching device and detection device all fix the frame on.

In one embodiment, the ultrathin material stretching device further comprises a clamping device, the clamping device comprises a fixed clamping device and a movable clamping device, one side of the ultrathin material is connected with the rack through the fixed clamping device, the driving end of the stretching device is connected with the other side of the ultrathin material through the movable clamping device, the fixed clamping device is fixed on the rack, the fixed clamping device clamps one side of the ultrathin material, the movable clamping device is movably arranged on the rack, the movable clamping device clamps the other side of the ultrathin material, the driving end of the stretching device is connected with the movable clamping device, and the stretching device drives the movable clamping device to move and tension the ultrathin material.

In one embodiment, the fixed clamping device comprises a first lower clamping plate, a second upper clamping plate and a first lifting cylinder, the first lower clamping plate is connected with the rack, the second upper clamping plate is connected with the driving end of the first lifting cylinder, the first lifting cylinder controls the second upper clamping plate to be attached to or separated from the first lower clamping plate, the first lifting cylinder is fixed on the rack, and the ultrathin material is arranged between the first lower clamping plate and the first upper clamping plate.

In one embodiment, the movable clamping device comprises a third lower clamping plate, a fourth upper clamping plate and a second lifting cylinder, the third lower clamping plate is connected with the driving end of the stretching device, the fourth upper clamping plate is connected with the driving end of the second lifting cylinder, the second lifting cylinder controls the fourth upper clamping plate to be attached to or separated from the third lower clamping plate, the second lifting cylinder is fixed on the third lower clamping plate, and the ultrathin material is arranged between the second lower clamping plate and the second upper clamping plate.

In one embodiment, the clamping device further comprises elastic pads, wherein the elastic pads are arranged on the clamping surfaces of the first lower clamping plate and the second upper clamping plate, and the clamping surfaces of the third lower clamping plate and the fourth upper clamping plate.

In one embodiment, the stretching device comprises a driving motor, a screw rod and a nut, an output shaft of the driving motor is connected with the screw rod, the nut and the screw rod form a screw transmission pair, one side of the third lower clamping plate is connected with the nut, the driving motor, the screw rod and the guide rod are all fixed on the rack, and an output end of the control device is electrically connected with a control end of the driving motor.

In one embodiment, the third lower clamping plate is further sleeved with a guide rod, two ends of the guide rod are fixed on the frame, and the third clamping plate can slide along the guide rod.

In one embodiment, the detection device comprises a mounting seat, a horizontal moving cylinder and a thickness measuring mechanism, the thickness measuring mechanism is connected with the driving end of the horizontal moving cylinder, the driving end of the horizontal moving cylinder is connected with the output end of the control device, the horizontal moving cylinder is fixed on the mounting seat, and the mounting seat is fixed on the rack.

In one embodiment, the thickness measuring mechanism comprises a support frame, an upper probe, a lower probe, a lifting moving cylinder and a distance sensor for measuring the moving distance of the lifting moving cylinder, the upper probe is connected with the driving end of the lifting moving cylinder, the lower probe is fixed on the support frame, the upper probe and the lower probe are coaxially arranged along the Z-axis direction, the support frame is connected with the driving end of the horizontal moving cylinder, the lifting moving cylinder and the distance sensor are both arranged on the support frame, and the distance sensor is connected with the input end of the control device.

In one embodiment, the control device comprises a controller, a first sensor and a second sensor, wherein the first sensor is arranged on the clamping device and is connected with the input end of the controller, and the second sensor is arranged on the stretching device and is connected with the input end of the controller.

The invention also provides a clamping method of the ultrathin material, which comprises the following specific steps:

connecting two ends of the ultrathin material with the rack and the stretching device through a clamping device;

transmitting a clamping completion signal of the ultrathin material to the controller through the first sensor, wherein the controller controls the detection device to measure the thickness of the ultrathin material;

the distance sensor transmits the measured thickness data of the ultrathin material to the controller, and the controller matches the tension force of the stretching device according to the thickness data;

the controller controls the driving motor to start, and the ultrathin material is tensioned;

the second sensor transmits a stretching completion signal to the controller, and the controller controls the driving motor to stop working so as to complete the tensioning action of the ultrathin material.

Compared with the prior art, the beneficial effects are:

the invention provides a clamping device and a clamping method for an ultrathin material.

Drawings

FIG. 1 is a schematic diagram of the structure of one of the views of the present invention;

FIG. 2 is a schematic view of the structure of the detecting unit of the present invention;

FIG. 3 is a schematic structural view of a thickness measuring mechanism of the present invention;

FIG. 4 is a schematic view of another aspect of the present invention;

fig. 5 is a control process schematic diagram of the control device of the present invention.

The reference numbers illustrate:

1-a stretching device; 2-ultrathin materials; 3-a detection device; 4-a frame; 5-fixing the clamping device; 6-a movable clamping device; 7-mounting seats; 8-a horizontal moving cylinder; 9-a thickness measuring mechanism; 10-a support frame; 11-upper probe; 12-lower probe; 13-a lifting moving cylinder; 14-a distance sensor; 15-a first lower clamping plate; 16-a second upper clamping plate; 17-a first lifting cylinder; 18-a third lower clamping plate; 19-a fourth upper clamping plate; 20-a second lifting cylinder; 21-a drive motor; 22-screw rod; 23-a nut; 24-a guide bar; 25-a controller; 26-a first sensor; 27-second sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The invention is described below in one of its embodiments with reference to specific embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

In the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances. In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B" including either scheme A, or scheme B, or a scheme in which both A and B are satisfied.

Examples

As shown in fig. 1, an ultra-thin material clamping device includes a stretching device 1, a detecting device 3 for detecting the thickness of the ultra-thin material 2, a frame 4 and a control device, one side of the ultra-thin material 2 is fixed on the frame 4, a driving end of the stretching device 1 is connected with the other side of the ultra-thin material 2, a signal output end of the detecting device 3 is connected with an input end of the control device, an output end of the control device is connected with a control end of the stretching device 1, the control device controls the stretching device 1 to move to tension the ultra-thin material 2, and the stretching device 1 and the detecting device 3 are both fixed on the frame 4.

It should be noted that, at first, one side of the ultrathin material 2 is fixed on the frame 4, and then the other side of the ultrathin material 2 is connected with the driving end of the stretching device 1, so that the stretching device 1 can drive the ultrathin material 2 to move, thereby tensioning the ultrathin material 2, the tensioning force of the stretching device 1 on the ultrathin material 2 is obtained by matching the thickness data of the ultrathin material 2 measured by the control device according to the detection device 3, at first, the thickness of the ultrathin material 2 is detected by the detection device 3, then the thickness data is transmitted to the control device by the signal output end of the detection device 3, the control device matches the corresponding tensioning force in the comparison system according to the thickness data, thereby controlling the stretching device 1 to tension the ultrathin material 2.

In one embodiment, the device further comprises a clamping device, the clamping device comprises a fixed clamping device 5 and a movable clamping device 6, one side of the ultrathin material 2 is connected with the rack 4 through the fixed clamping device 5, the driving end of the stretching device 1 is connected with the other side of the ultrathin material 2 through the movable clamping device 6, the fixed clamping device 5 is fixed on the rack 4, the fixed clamping device 5 clamps one side of the ultrathin material 2, the movable clamping device 6 is movably arranged on the rack 4, the movable clamping device 6 clamps the other side of the ultrathin material 2, the driving end of the stretching device 1 is connected with the movable clamping device 6, and the stretching device 1 drives the movable clamping device 6 to move to tension the ultrathin material.

It should be noted that, first, one side of the ultrathin material 2 is connected with the frame 4 through the fixed clamping device 5 to perform fixed clamping, and then the other side of the ultrathin material 2 is connected with the driving end of the stretching device 1 through the movable clamping device 6, so that the stretching device 1 controls the movable clamping device 6 to be away from the fixed clamping device 5, and tensioning and flattening of the ultrathin material 2 are realized.

In one embodiment, as shown in fig. 1 to 4, the fixed clamping device 5 includes a first lower clamping plate 15, a second upper clamping plate 16 and a first lifting cylinder 17, the first lower clamping plate 15 is connected with the frame 4, the second upper clamping plate 16 is connected with a driving end of the first lifting cylinder 17, the first lifting cylinder 17 controls the second upper clamping plate 16 to be attached to or detached from the first lower clamping plate 15, the first lifting cylinder 17 is fixed on the frame 4, and the ultra-thin material 2 is disposed between the first lower clamping plate 15 and the first upper clamping plate 16.

It should be noted that the first lower clamping plate 15 and the second upper clamping plate 16 are used for clamping one side of the ultra-thin material 2, and the first lifting cylinder 17 is used for controlling the second upper clamping plate 16 to be attached to or detached from the first lower clamping plate 15, so that one side of the ultra-thin material 2 can be conveniently placed between the second upper clamping plate 16 and the first lower clamping plate 15, and the processed ultra-thin material 2 can be conveniently detached.

In one embodiment, as shown in fig. 1 to 4, the movable clamping device 6 includes a third lower clamping plate 18, a fourth upper clamping plate 19 and a second lifting cylinder 20, the third lower clamping plate 18 is connected to the driving end of the stretching device 1, the fourth upper clamping plate 19 is connected to the driving end of the second lifting cylinder 20, the second lifting cylinder 20 controls the fourth upper clamping plate 19 to be attached to or detached from the third lower clamping plate 18, the second lifting cylinder 20 is fixed on the third lower clamping plate 18, and the ultra-thin material 2 is placed between the second lower clamping plate 18 and the second upper clamping plate 19.

It should be noted that the third lower clamping plate 18 and the fourth upper clamping plate 19 are used for clamping the other side of the ultrathin material 2, the second lifting cylinder 20 is used for controlling the fourth upper clamping plate 19 to be attached to or separated from the third lower clamping plate 18, so that the other side of the ultrathin material 2 can be conveniently placed between the third lower clamping plate 18 and the fourth upper clamping plate 19, the processed ultrathin material 2 can be conveniently detached, the third lower clamping plate 18 is connected with the driving end of the stretching device 1, and the ultrathin material 2 can be stretched and flattened.

In one embodiment, the clamping device further comprises elastic pads, which are arranged on the clamping surfaces of the first lower clamping plate 15 and the second upper clamping plate 16, and the clamping surfaces of the third lower clamping plate 18 and the fourth upper clamping plate 19.

It should be noted that the elastic pad is used to prevent the ultra-thin material 22 from being damaged by the clamping device.

In one embodiment, the stretching device 1 includes a driving motor 21, a screw 22, and a nut 23, an output shaft of the driving motor 21 is connected to the screw 22, the nut 23 and the screw 22 form a screw transmission pair, one side of the third lower clamping plate 18 is connected to the nut 23, the driving motor 21, the screw 22, and the guide rod 24 are all fixed on the frame 4, and an output end of the control device is electrically connected to a control end of the driving motor 21.

It should be noted that, the control device controls the driving motor 21 to start, the driving motor 21 drives the screw 22 to rotate, and the nut 23 drives the third lower clamping plate 18 to move along the screw 22, so that the ultra-thin material 2 clamped between the third lower clamping plate 18 and the fourth upper clamping plate 19 moves relative to the fixed clamping device 5.

In one embodiment, the third lower clamping plate 18 is further sleeved with a guide rod 24, two ends of the guide rod 24 are fixed on the frame 4, and the third clamping plate 18 can slide along the guide rod 24.

It should be noted that the guide bar 24 can support the third lower clamping plate 18, so that the movement of the third lower clamping plate 18 is more stable.

In one embodiment, the stretching device 1 comprises a driving cylinder, a transmission rail and a moving device, the driving end of the driving cylinder is connected with the moving device, the moving device is slidably arranged on the transmission rail, one end of the third lower clamping plate 18 is connected with the moving device, the driving cylinder and the transmission rail are both fixed on the frame 4, and the output end of the control device is connected with the driving cylinder.

It should be noted that, when the driving end of the driving cylinder is connected to the moving device, the moving device can drive the third connecting plate to slide on the transmission rail, so as to stretch the ultra-thin material 2, and of course, there are various structures for achieving stretching, including but not limited to the above structures.

In one embodiment, as shown in fig. 1 to 4, the detecting device 3 includes a mounting base 7, a horizontal moving cylinder 8 and a thickness measuring mechanism 9, the thickness measuring mechanism 9 is connected to a driving end of the horizontal moving cylinder 8, the driving end of the horizontal moving cylinder 8 is connected to an output end of the control device, the horizontal moving cylinder 8 is fixed on the mounting base 7, and the mounting base 7 is fixed on the frame 4.

It should be noted that the driving end of the horizontal moving cylinder 8 is connected to the output end of the control device, so as to automatically realize the function of measuring the thickness of the ultra-thin material 2 by the detection device 3 after the clamping action of the ultra-thin material 2 is completed, the control device controls the horizontal moving cylinder 8 to enable the thickness measuring mechanism 9 to approach the ultra-thin material 2, so that the thickness measuring mechanism 9 performs thickness detection on the ultra-thin material 2, and the control device can also control the horizontal moving cylinder 8 to enable the thickness measuring mechanism 9 to be away from the ultra-thin material 2, so that the thickness measuring mechanism 9 resets and retracts after the thickness measurement on the ultra-thin material 2 is completed, the mounting seat 7 is used for fixing the detection device 3 on the rack 4, and can adopt a threaded connection or other connection modes, and certainly the detection device 3 can also be fixed at other positions convenient for measuring the thickness of the ultra-thin material 2.

In one embodiment, as shown in fig. 1 to 4, the thickness measuring mechanism 9 includes a support frame 10, an upper probe 11, a lower probe 12, a lifting moving cylinder 13, and a distance sensor 14 for measuring a moving distance of the lifting moving cylinder 13, the upper probe 11 is connected to a driving end of the lifting moving cylinder 13, the lower probe 12 is fixed on the support frame 10, the upper probe 11 and the lower probe 12 are coaxially arranged along a Z-axis direction, the support frame 10 is connected to a driving end of the horizontal moving cylinder 8, the lifting moving cylinder 13 and the distance sensor 14 are both mounted on the support frame 10, and the distance sensor 14 is connected to an input end of a control device.

After the thickness measuring mechanism 9 is moved closer to the ultra-thin material 2 by the horizontal moving cylinder 8, the lifting moving cylinder 13 starts to operate, the lifting moving cylinder 13 controls the upper probe 11 to move closer to or away from the lower probe 12, the distance sensor 14 controls the traveling distance of the upper probe 11 by measuring the lifting moving cylinder 13, the thickness of the ultra-thin material 2 is obtained according to the distance change between the upper probe 11 and the lower probe 12, and the distance sensor 14 feeds back the measured thickness data of the ultra-thin material 2 to the control device.

In one embodiment, as shown in fig. 1-5, the control device comprises a controller 25, a first sensor 26 and a second sensor 27, the first sensor 26 is disposed on the holding device and the first sensor 26 is connected to an input of the controller 25, the second sensor 27 is disposed on the stretching device 1 and the second sensor 27 is connected to an input of the controller 25.

Note that the arrow direction in fig. 5 indicates the signal transmission direction of the controller 25; the first sensor 26 is used for transmitting a signal that the clamping device has clamped the ultrathin material 2 to the controller 25, after the controller 25 receives the signal of the first sensor 26, the detection device 3 is started, the detection device 3 starts to measure the thickness of the ultrathin material 2, the measured thickness data are transmitted to the controller 25, after the controller 25 receives the thickness data transmitted by the distance sensor 14, the tension of the stretching device 1 is controlled according to the thickness measurement data in a matching mode, then the thickness measurement device is reset and the stretching device 1 is started, the second sensor 27 transmits a stretching completion signal to the controller 25, and the controller 25 controls the driving motor 21 to stop, so that the ultrathin material 2 is clamped.

The invention also provides a clamping method of the ultrathin material, which comprises the following steps as shown in figures 1-5:

the first lifting cylinder 17 separates the second upper clamping plate 16 from the first lower clamping plate 15, and the second lifting cylinder 20 separates the fourth upper clamping plate 19 from the third lower clamping plate 18;

placing two ends of the ultrathin material 2 between a second upper clamping plate 16 and a first lower clamping plate 15 and between a fourth upper clamping plate 19 and a third lower clamping plate 18 respectively;

the first lifting cylinder 17 attaches the second upper clamping plate 16 to the first lower clamping plate 15, and the second lifting cylinder 20 attaches the fourth upper clamping plate 19 to the third lower clamping plate 18, so as to clamp two ends of the ultrathin material 2;

the first sensor 26 transmits a clamping completion signal to the controller 25, the controller 25 controls the starting of the detection device 3, the detection device 3 detects the thickness of the ultrathin material 2, the distance sensor 14 transmits a data signal to the controller 25 after obtaining the thickness data of the ultrathin material 2, and the detection device 3 is reset;

the controller 25 matches the tension force of the stretching device 1 to the ultrathin material 2 according to the thickness data;

the controller 25 controls the driving motor 21 to start, so that the nut 23 drives the movable clamping device 6 to slide on the screw rod 22, and the ultrathin material 2 is stretched and leveled away from the fixed clamping device 5;

the second sensor 27 transmits a stretch completion signal to the controller 25, and the controller 25 controls the driving motor 21 to stop.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention or other related technical fields directly/indirectly shall be included in the protection scope of the present invention.