CN210024245U

CN210024245U - Sheet clamping device

Info

Publication number: CN210024245U
Application number: CN201920260344.4U
Authority: CN
Inventors: 李�荣; 王伟; 阳跃武; 林晓明; 周桂兵; 高云峰
Original assignee: Shenzhen Dazu Super Laser Technology Co Ltd; Han s Laser Technology Industry Group Co Ltd
Current assignee: Shenzhen Dazu Super Laser Technology Co Ltd; Han s Laser Technology Industry Group Co Ltd
Priority date: 2019-02-28
Filing date: 2019-02-28
Publication date: 2020-02-07
Anticipated expiration: 2029-02-28

Abstract

The utility model discloses a sheet metal clamping device, include: a base; the clamping piece is provided with a clamping end positioned at the front end and a rotating end rotatably connected with the base; the rotating piece is rotationally connected with the clamping piece and is provided with a stopping end and a pulling end; the pressing assembly is arranged on one side of the clamping piece and provided with a pressing end, and the pressing end presses the clamping end; when the pulling end of the rotating piece rotates upwards, the stopping end rotates downwards and pushes against the base, so that the clamping end of the clamping piece is far away from the base; when the pulling end of the rotating part rotates downwards, the abutting end rotates upwards, and the pressing end of the pressing assembly presses the clamping end towards the direction close to the base, so that the clamping end and the base form a clamping relation. Whether the thin plate is clamped or not is controlled by the rotation of the rotating piece, the thin plate clamping device can be in a clamping or loosening state for a long time, and the feeding and the moving are both convenient.

Description

Sheet clamping device

Technical Field

The utility model relates to a frock clamp field, concretely relates to sheet metal clamping device.

Background

The thin plate is a flat material with a large ratio of width to thickness, the rigidity of the thin plate is poor due to the thin wall of the thin plate, and in the process of laser cutting of the thin-wall plate, the thin plate is easily deformed and displaced under the influence of high-pressure gas assisted by laser cutting, and the error in cutting is large, so that a clamping device is often needed to clamp the thin plate during processing.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to prior art's above-mentioned defect, provide a sheet metal clamping device, when aiming at solving the laser cutting sheet metal, the problem that panel takes place to warp, shift easily.

The utility model provides a technical scheme that technical problem adopted as follows:

a thin plate clamping device comprising:

a base;

the clamping piece is provided with a clamping end positioned at the front end and a rotating end rotatably connected with the base;

the rotating piece is rotationally connected with the clamping piece and is provided with a stopping end and a pulling end;

the pressing component is arranged on one side of the clamping piece and provided with a pressing end, and the pressing end presses the clamping end;

when the pulling end of the rotating piece rotates upwards, the stopping end rotates downwards and pushes against the base, so that the clamping end of the clamping piece is far away from the base; when the pulling end of the rotating part rotates downwards, the abutting end rotates upwards, and the pressing end of the pressing assembly presses the clamping end towards the direction close to the base, so that the clamping end and the base form a clamping relation.

Preferably, the bottom end of the clamping end is provided with an arc-shaped structure.

Preferably, the thin plate clamping device further comprises a first rotating shaft rotatably mounted on the base; the clamping piece is rotatably connected with the base through the first rotating shaft.

Preferably, the compressing assembly is a torsion spring sleeved on the periphery of the first rotating shaft; the head end of the torsion spring is stopped against the base, and the tail end of the torsion spring is the pressing end.

Preferably, the thin plate clamping device further comprises a second rotating shaft rotatably mounted to the rotating member; the rotating piece is rotatably connected with the clamping piece through the second rotating shaft.

Preferably, the pressing end of the pressing assembly presses the second rotating shaft downwards.

Preferably, the head of the stopping end is provided with a plane part; when the rotating piece rotates to a vertical position, the plane portion abuts against the base.

Preferably, the base is provided with a guide groove; when the pulling end of the rotating piece rotates upwards, the stopping end of the rotating piece stops against the bottom surface of the guide groove.

Preferably, when the rotating member rotates to a vertical position, an included angle between the clamping end and the upper end face of the base is 4-5 degrees.

Preferably, the base is further provided with a positioning pin located below the inner side of the clamping end.

Compared with the prior art, the embodiment of the application mainly has the following beneficial effects:

the utility model provides a sheet metal clamping device, the holder rotates with the base to be connected, the hold that compresses tightly through compressing tightly the subassembly holds the holder that compresses tightly the holder, so that holder and base form the centre gripping relation, the holder rotates with rotating and is connected, when the end of pulling that rotates upwards rotates, the end of stopping that rotates downwards rotates and roof pressure base, so that the base is kept away from to the hold that makes the holder, panel can be loosened this moment, when the end of pulling that rotates downwards rotates, the end of stopping that rotates upwards rotates, the hold that compresses tightly of subassembly compresses tightly the hold to the direction that is close to the base, make hold and base centre gripping panel. Whether the rotation through rotating the piece comes control to press from both sides tight sheet metal, sheet metal clamping device can be in for a long time and press from both sides tightly or loosen the state, compares in can only keep pressing from both sides tightly or loosen the clamping device of a state for a long time more convenient material loading, move the material, and, the utility model discloses a sheet metal clamping device easily controls, and it is firm to press from both sides tight relation.

Furthermore, the bottom of the clamping end is provided with an arc-shaped structure to avoid damaging the thin plate.

Furthermore, the end of the stopping end is provided with a plane part, when the rotating part rotates to a vertical position, the plane part stops against the base so as to reduce the possibility that the rotating part rotates under the action of external force, and the rotating part is effectively guaranteed to be always in the vertical position.

Drawings

In order to illustrate the solution of the present application more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained by those skilled in the art without inventive effort.

Fig. 1 is a perspective view of a thin plate clamping device according to an embodiment of the present invention in a released state.

Fig. 2 is a perspective view of a thin plate clamping device according to an embodiment of the present invention in a clamping state.

Reference numerals:

1 thin plate clamping device 100 base

110 guide groove 200 clamping piece

210 clamping end 220 rotating end

300 rotating member 310 stopping end

320 pull end 400 hold down assembly

410 impact end 500 first shaft

600 second rotating shaft 700 positioning pin

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

The utility model provides a sheet metal clamping device, include: the base, the holder rotates the piece, compresses tightly the subassembly. The clamping piece is provided with a clamping end and a rotating end which is rotatably connected with the base. The rotating part is rotatably connected with the clamping part and is provided with a stopping end and a pulling end, and the pressing end arranged on the pressing component presses the clamping end. When the pulling end of the rotating part rotates upwards, the abutting end rotates downwards and abuts against the base, so that the clamping end of the clamping part is far away from the base, when the pulling end of the rotating part rotates downwards, the abutting end rotates upwards, and the pressing end of the pressing assembly presses the clamping end towards the direction close to the base, so that the clamping end and the base form a clamping relation.

The embodiment of the utility model provides a sheet metal clamping device 1, as shown in fig. 1, sheet metal clamping device 1 includes: the base 100, the clamping member 200 rotatably connected with the base 100, the rotating member 300 rotatably connected with the clamping member 200, and the pressing assembly 400 disposed on one side of the clamping member 200.

In one embodiment, the clamping member 200 has a clamping end 210 at the front end and a rotating end 220 rotatably connected to the base 100. The thin plate clamping device 1 further comprises a first rotating shaft 500 rotatably mounted on the base 100, and the clamping member 200 is rotatably connected with the base 100 through the first rotating shaft 500.

In specific implementation, the bottom end of the clamping end 210 is provided with an arc structure to prevent the edge of the clamping end 210 from damaging the thin plate.

In one embodiment, the rotating member 300 is rotatably connected to the clamping member 200, and the rotating member 300 has a stopping end 310 at the front end and a pulling end 320. The direction of rotation of the rotary member 300 can be controlled by manually rotating the pulling end 320. The thin plate clamping device 1 further includes a second rotating shaft 600 rotatably mounted to the rotating member 300, and the rotating member 300 is rotatably coupled to the clamping member 200 by the second rotating shaft 600.

In specific implementation, the position where the clamping member 200 is rotatably connected to the base 100 is far away from the clamping end 210, and the position where the clamping member 200 is rotatably connected to the rotating member 300 is near to the clamping end 210.

In specific implementation, the pressing end 410 of the pressing assembly 400 presses the clamping end 210 toward the direction close to the base 100, the pressing assembly 400 is a torsion spring sleeved on the periphery of the first rotating shaft 500, the head end of the torsion spring is stopped against the base 100, and the tail end of the torsion spring presses the second rotating shaft 600. The specification of the torsion spring is selected according to the clamping force required by the thin plate, so that the thin plate is prevented from deforming and shifting under the influence of cutting auxiliary high-pressure gas in the laser cutting process, and the thin plate is prevented from being damaged.

In specific implementation, the base 100 is further provided with two positioning pins 700 located below the inner side of the clamping end 210, and the positioning pins 700 are mainly used for guiding and positioning the thin plate after the thin plate enters the thin plate clamping device 1, so that the thin plate and the thin plate clamping device 1 maintain the position consistency, and the situation that the number of the positioning pins 700 is two because the thin plate clamping device 1 clamps too many or too few thin plates is avoided.

The worker manually pulls the pulling end 320 of the rotating member 300 to rotate upward, the stopping end 310 rotates downward and presses against the base 100, and since the end of the clamping member 200 is rotatably connected to the base 100, the rotating member 300 supports the clamping member 200 upward, so that the clamping end 210 of the clamping member 200 is far away from the base 100, and the thin plate clamping device 1 is in a released state.

During the concrete implementation, the head of the stopping end 310 is provided with a plane portion, and when the rotating member 300 rotates to a vertical position, the plane portion stops against the end surface of the base 100, so that the rotating member 300 is prevented from rotating by external force, the rotating member 300 is effectively guaranteed to be always in the vertical position, and the situation that the thin plate clamping device 1 is clamped suddenly can be avoided.

During specific implementation, when the rotating member 300 rotates to a vertical position, an included angle between the clamping end 210 and the upper end surface of the base 100 is 4-5 °, a distance between the center of the second rotating shaft 600 and the top surface of the base 100 is 9.5mm, a distance between the center of the second rotating shaft 600 and the front end surface of the clamping end 210 is 42.5mm, a distance between the positioning pin 700 and the front end surface of the base 100 is 12mm, the front end of the base 100 is one end for clamping a thin plate, and the maximum plate thickness that the thin plate clamping device 1 can clamp is 2 mm.

In specific implementation, the base 100 is provided with the guide groove 110, when the pulling end 320 of the rotating member 300 rotates upward, the stopping end 310 of the rotating member 300 stops against the bottom surface of the guide groove 110, and the side wall of the rotating member 300 is in close contact with the side wall of the guide groove 110 to guide the rotating member 300.

In other embodiments, the ends of the torsion spring may press directly against the gripping end 210.

In other embodiments, the clamping member and the base can also be directly connected in a rotating manner through the pin shaft, and the rotating member and the clamping member can also be directly connected in a rotating manner through the pin shaft.

In other embodiments, the pressing component may be an elastic pressing structure disposed on one side of the clamping end, and the pressing structure maintains a continuous pressing state on the clamping end under the action of the elastic force.

As shown in fig. 2, when the pulling end 320 of the rotating member 300 rotates downward, the stopping end 310 rotates upward, and the pressing end 410 of the pressing assembly 400 presses the clamping end 210 toward the base 100, so that when the rotating member 300 does not support the clamping member 200 upward, the clamping end 210 of the clamping member 200 is pressed downward by the pressing end 410, so that the clamping end 210 and the base 100 form a clamping relationship.

In specific implementation, the base 100 is fixed on a laser cutting workbench through bolts, and the number and the positions of the thin plate clamping devices 1 are determined according to specific conditions when a product is cut.

The sheet clamping device 1 of the present application can be maintained in both the unclamped and clamped states for a long time, and the clamps on the market generally can be maintained in only one of the unclamped and clamped states.

It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.

Claims

1. A sheet clamping device, comprising:

a base;

2. The sheet clamping device as claimed in claim 1, wherein the bottom end of said clamping end is provided with an arcuate configuration.

3. The sheet clamping device as claimed in claim 1, further comprising a first rotating shaft rotatably mounted to the base; the clamping piece is rotatably connected with the base through the first rotating shaft.

4. The thin plate clamping device as claimed in claim 3, wherein the pressing member is a torsion spring fitted around the outer periphery of the first rotating shaft; the head end of the torsion spring is stopped against the base, and the tail end of the torsion spring is the pressing end.

5. The thin plate clamping device as claimed in claim 3, further comprising a second rotating shaft rotatably mounted to the rotating member; the rotating piece is rotatably connected with the clamping piece through the second rotating shaft.

6. The sheet clamping device of claim 5 wherein the clamping end of the clamping assembly clamps the second shaft downwardly.

7. The sheet clamping device according to claim 1, wherein the head portion of said abutting end is provided with a flat surface portion; when the rotating piece rotates to a vertical position, the plane portion abuts against the base.

8. The sheet clamping device as claimed in claim 1, wherein said base is provided with a guide groove; when the pulling end of the rotating piece rotates upwards, the stopping end of the rotating piece stops against the bottom surface of the guide groove.

9. The sheet clamping device of claim 1 wherein the angle between the clamping end and the upper end surface of the base is between 4 ° and 5 ° when the rotatable member is rotated to the upright position.

10. The sheet clamping device as claimed in claim 1, wherein said base is further provided with a positioning pin located below an inner side of the clamping end.