CN217412341U - Clamping device and system - Google Patents

Abstract

The utility model relates to a clamping device and system for aviation material riveting. The utility model discloses a clamping device can be applied to the examination board clamping of aeronautical materials riveting process, this clamping device passes through the cooperation of thickness adaptive spring and hook-shaped presser foot, adaptive spring can guarantee before the formal centre gripping examination board of hook-shaped presser foot, the lower surface of hook-shaped presser foot is in contactless state with examination board surface always, avoid producing the friction production mar at the lower surface of hook-shaped presser foot in follow-up continuous installation with examination board upper surface, the atress is even when the hole of adaptive spring and bush is coaxial can guarantee to try the board installation, whole device can realize the clamping thickness self-adaptation of aeronautical materials riveting in-process to different thickness examination boards, avoid the clamping in-process to produce the damage to examination board.

Description

Clamping device and system

Technical Field

The utility model belongs to the technical field of quick clamping, concretely relates to clamping device and system.

Background

The connection in the aviation aircraft is a common and important connection form, and the aviation aluminum alloy structure needs to carry out test board-level connection process research and performance evaluation work before formal connection. The laminated aluminum alloy test plate needs to be positioned and fixed in advance before the riveting process is implemented, the laminated test plate needs to be fixed in a mechanical clamping mode, and the test plate is prevented from sliding when holes are formed in connection. However, in general, in a mechanical clamping device, because the clamping tool is under the action of gravity, the clamping tool is located on the surface of the test panel before the mechanical clamping, and in the clamping process, the clamping tool rotates back and forth to cause friction between the clamping tool and the surface of the test panel, so that the clamping tool is further used for scratching the surface of the test panel, the surface quality of the test panel is reduced, and the mechanical performance of subsequent test panels is affected.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems existing in the prior art, the utility model provides a clamping device and system for solve the above-mentioned problem that exists among the prior art.

A clamping device comprises a hook-shaped presser foot, a height adjusting element, a bushing, a fixing bolt and a base;

wherein, the base is provided with a mounting hole;

the hook-shaped presser foot is arranged at the upper end of the bushing, the height adjusting element is arranged at the lower end of the bushing, and the hook-shaped presser foot, the bushing and the height adjusting element form a whole;

the fixing bolt fixes the whole body in the mounting hole;

the mounting holes, the fixing bolts, the hook-shaped presser feet, the height adjusting elements and the bushings are the same in number.

The above aspect and any possible implementation further provide an implementation in which the bushing is provided with an inner bore, the height adjustment element is disposed in the inner bore, and the height adjustment element and the inner bore are coaxially disposed.

The above aspect and any possible implementation further provide an implementation in which the height adjustment element is a thickness adaptive spring.

As to the above aspect and any possible implementation manner, there is further provided an implementation manner, in which the base is rectangular, and the number of the mounting holes is at least four, and the mounting holes are respectively arranged around the rectangle.

There is further provided in accordance with the above-described aspect and any one of the possible implementations, an implementation in which each of the mounting holes is provided with an internal thread, and the fixing bolt is rotatably coupled to the internal thread.

The above aspect and any possible implementation further provide an implementation in which the hook presser foot is coaxially disposed with the bushing.

The utility model also provides a clamping system, a serial communication port, the clamping system include the test panel with the clamping device, the clamping device is fixed the test panel on the upper surface of base.

The above aspect and any possible implementation further provide an implementation further comprising at least four cushion pads, each cushion pad disposed between each hook presser foot and the trial plate.

There is further provided in accordance with the above-described aspect and any one of the possible implementations, an implementation in which the cushion pad is a polyurethane pad.

There is further provided in accordance with the above-mentioned aspect and any possible implementation manner a method, wherein the test panel is rectangular.

The beneficial effects of the utility model

Compared with the prior art, the utility model discloses there is following beneficial effect:

the utility model discloses a clamping device can be applied to the test panel clamping of aeronautical materials riveting process, this clamping device passes through the cooperation of thickness adaptive spring and hook-shaped presser foot, thickness adaptive spring can guarantee before the formal centre gripping test panel of hook-shaped presser foot, the lower surface and the test panel surface of hook-shaped presser foot are in contactless state always, avoid producing the friction production mar with the test panel upper surface at the lower surface of hook-shaped presser foot in follow-up continuous installation, the atress is even when the coaxial test panel installation that can guarantee of hole of thickness adaptive spring and bush, whole device can realize the clamping thickness self-adaptation to different thickness test panels in the aeronautical materials riveting process, avoid the clamping in-process to produce the damage to the test panel.

Drawings

Fig. 1 is a schematic structural view of a clamping device in an embodiment of the present invention;

fig. 2 is a side view of the clamping device in the embodiment of the present invention;

FIG. 3 is a drawing illustrating the positioning of the test board according to the embodiment of the present invention;

FIG. 4 is a schematic view of the hook shaped presser foot and bushing assembly of an embodiment of the present invention;

fig. 5 is a schematic view of the hook-shaped presser foot and thickness adaptive spring assembly according to an embodiment of the present invention;

fig. 6 is a schematic view illustrating the assembly of the fixing bolt and the bush according to the embodiment of the present invention;

fig. 7 is a schematic structural view of a clamping system in an embodiment of the present invention.

Detailed Description

For better understanding of the technical solutions of the present invention, the present invention includes but is not limited to the following embodiments, and similar techniques and methods should be considered as being within the scope of the present invention. In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

It should be understood that the embodiments described herein are only some embodiments, and not all embodiments, of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the embodiments of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

As shown in figure 1, the utility model provides a clamping device for aeronautical material rivets. The clamping device comprises a hook-shaped presser foot 2, a height adjusting element, a bushing 4, a fixing bolt 1 and a base 6, wherein the base 6 is provided with a mounting hole; the hook-shaped presser foot 2 is arranged at the upper end of the bushing 4, the height adjusting element is arranged at the lower end of the bushing 4, and the hook-shaped presser foot 2, the bushing 4 and the height adjusting element form a whole; the fixing bolt 1 fixes the whole body in the mounting hole; the mounting holes, the fixing bolts 1, the hook-shaped presser feet 2, the height adjusting elements and the bushings 4 are the same in number.

Preferably, the height adjustment unit in the embodiment of the present invention adopts the height-adjustable thickness adaptive spring 3, and the hook-shaped presser foot 2 increases the distance between the supporting position on the base and the front end thereof, increases the clamping area of the hook-shaped presser foot 2 to the test board, and improves the stability of the hook-shaped presser foot 2 to the clamping of the test board.

Preferably, as shown in fig. 4, in the embodiment of the present invention, the bushing 4 is provided with an inner hole, the thickness adaptive spring 3 is disposed in the inner hole, and the thickness adaptive spring 3 and the inner hole are coaxially disposed. The thickness self-adaptive spring 3 can ensure that the lower surface of the hook-shaped presser foot 2 and the surface of the test board are always in a non-contact state before the hook-shaped presser foot 2 formally clamps the test board, so that the lower surface of the hook-shaped presser foot 2 and the upper surface of the test board are prevented from generating scratches due to friction in the subsequent continuous installation process, and the thickness self-adaptive spring 3 is coaxial with the inner hole of the bushing 4, so that the uniform stress can be ensured during installation.

Preferably, the embodiment of the utility model provides an in the quantity of mounting hole be four at least, and every mounting hole all is provided with the internal thread, the internal thread of mounting hole be used for with the external screw thread supporting connection that sets up on the bush 4, increase centre gripping frock and mounting hole place 6's bulk rigidity.

Preferably, as shown in fig. 5, in the embodiment of the present invention, the hook-shaped presser foot 2 is coaxially disposed with the bushing 4, and the coaxial arrangement of the hook-shaped presser foot 2 and the bushing 4 can ensure uniform stress around the hook-shaped presser foot 2 during installation.

Preferably, as shown in fig. 6, the embodiment of the present invention further includes fixing bolts 1 with the same number as the mounting holes, the fixing bolts 1 are rotatably connected with the internal threads of the mounting holes, and the fixing bolts 1 are used for fixing the bushing 4, the hook-shaped presser foot 2 and the thickness adaptive spring 3, so as to ensure that the test panel is firmly mounted.

Preferably, as shown in fig. 3 and 7, the embodiment of the present invention further provides a clamping system, the clamping system includes the test panel 5 and the clamping device of the present embodiment, and the clamping device fixes the test panel 5 on the upper surface of the base 6. The base 6 provides a final mounting position for the supporting integrated structure of all the above structural components, and provides a supporting plane for the test board.

Preferably, as shown in fig. 2, the embodiment of the present invention further comprises at least four buffering members, each of the buffering members is disposed between each hook-shaped presser foot 2 and the test board 5. The hardness of the buffer piece is lower than that of the test plate, and the buffer piece can ensure that no indentation is generated on the surface of the test plate and the surface of the test plate is protected in the process that the hook-shaped presser foot 2 continuously clamps the test plate.

Preferably, the buffering member in the embodiment of the present invention is a polyurethane pad 7, and the protection of the surface of the test board 5 is realized by the way that the polyurethane pad 7 is matched with the hook-shaped presser foot 2.

Preferably, in the embodiment of the present invention, the base 6 and the test board 5 are both rectangular.

The test board needs to be clamped and positioned in the aviation material riveting process, and the clamping device is under the action of self gravity, before screwing down, the clamping device bears the surface of the test board, firstly, the hook-shaped presser foot 2 is connected with the inner thread of the bush 4 through the outer thread on the hook-shaped presser foot and the inner thread on the bush 4 through threads, the thickness self-adaptive spring 3 is placed into the inner hole of the bush 4, the thickness self-adaptive spring 3 is in clearance fit with the inner hole, the length of the thickness self-adaptive spring 3 is longer than that of the inner hole, the thickness self-adaptive spring 3 and the bush 4 are placed into the mounting hole in a mode of 'spring down and bush up', the bush 4 is ensured to be always in a suspended state by the thickness self-adaptive spring 3 after being placed into the mounting hole of the base 6, the lower surface of the hook-shaped presser foot 2 is ensured to be in a non-contact state with the surface of the test board before the test board is formally clamped, and then the fixing bolt 1 is screwed. Thereby can be compressed into the centre gripping of different thickness test panels for different length realization through thickness adaptive spring 3, realize the clamping thickness self-adaptation to different thickness test panels among the aviation material riveting process, avoid the clamping in-process to produce the damage to the test panel, ensure the cooperation of hook-shaped presser foot 2 and bush 4 combination.

In the use, test panel 5 is positioned as required, hook-shaped presser foot 2 and bush 4 are assembled and screwed after the positioning is finished, then thickness self-adaptive spring 3 is placed into an inner hole of bush 4, a formed whole is placed into a mounting hole of base 6, fixing bolt 1 is installed afterwards, position of hook-shaped presser foot 2 is adjusted, accuracy of clamping position is ensured, fixing bolt 1 is screwed into the inner thread of the mounting hole of base 6, and the riveting test panel 5 is mounted after fastening.

Preferably, the implementation process of the clamping system in the embodiment of the present invention is as follows:

1) positioning the test board according to the required position, and placing the test board on the mounting base;

2) assembling the hook-shaped presser foot 2 and the bush 4 coaxially to ensure screwing;

3) then, the thickness self-adaptive spring 3 is placed in the inner hole of the bush 4, and the thickness self-adaptive spring 3 and the inner hole of the bush 4 are ensured to be coaxial;

4) integrally installing the bushing 4 into the mounting hole of the base 6, and then installing the fixing bolt 1;

5) adjusting the position of the hook-shaped presser foot 2 to ensure the accuracy of the clamping position; and screwing the fixing bolt 1 into the inner thread of the base mounting hole, and finishing the installation of the riveting test plate after fastening, wherein the installation is finished as shown in figure 3.

The foregoing description shows and describes several preferred embodiments of the present invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the application as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims (10)

1. A clamping device is characterized by comprising a hook-shaped presser foot, a height adjusting element, a bushing, a fixing bolt and a base;

wherein, the base is provided with a mounting hole;

the hook-shaped presser foot is arranged at the upper end of the bushing, the height adjusting element is arranged at the lower end of the bushing, and the hook-shaped presser foot, the bushing and the height adjusting element form a whole;

the fixing bolt fixes the whole body in the mounting hole;

the mounting holes, the fixing bolts, the hook-shaped presser feet, the height adjusting elements and the bushings are the same in number.

2. The clamping device as recited in claim 1, wherein the bushing is provided with an inner bore, the height adjustment element is disposed within the inner bore, and the height adjustment element and the inner bore are coaxially disposed.

3. The clamping device of claim 1 wherein the height adjustment member is a thickness adaptive spring.

4. The clamping device as recited in claim 1, wherein the base is rectangular, and the number of the mounting holes is at least four, and the mounting holes are respectively formed in the peripheral edge of the upper surface of the base.

5. The clamping device as recited in claim 4, wherein each mounting hole is provided with an internal thread, and the fixing bolt is rotatably connected with the internal thread.

6. The clamping device as recited in claim 3, wherein the hook foot is disposed coaxially with the bushing.

7. A clamping system, characterized in that the clamping system comprises a test panel and a clamping device according to any one of claims 1-6, wherein the clamping device fixes the test panel on the upper surface of the base.

8. The clamping system of claim 7 further comprising at least four cushioning pads, each said cushioning pad disposed between each hook presser foot and said test panel.

9. The clamping system of claim 8, wherein the cushioning pad is a polyurethane pad.

10. The clamping system of claim 7, wherein the test panel is rectangular.

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