CN216298428U

CN216298428U - Welding clamping device

Info

Publication number: CN216298428U
Application number: CN202122933515.5U
Authority: CN
Inventors: 吴春勇; 刘一龙; 王国勇; 刘玉恒
Original assignee: Suzhou Qiji Welding Material Co ltd
Current assignee: Suzhou Qiji Welding Material Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-04-15
Anticipated expiration: 2031-11-26

Abstract

The utility model relates to a welding clamping device, which comprises a base column, wherein the top of the base column is hinged with a first supporting arm, the first supporting arm is hinged with a first connecting rod and a second connecting rod which are arranged in an intersecting way, the end part of the first supporting arm is connected with a first clamping arm, a supporting plate of the base column is hinged with an air cylinder, the bottom of the supporting plate is provided with a base which can slide relative to the supporting plate, the end part of a cylinder rod of the air cylinder is hinged with the end parts of the first connecting rod and the second connecting rod, the side part of the base column is connected with a second supporting arm which is connected with a second clamping arm, the second clamping arm and the first clamping arm are respectively provided with screw rods which are arranged oppositely, the end part of the screw rod is provided with a chuck, the clamping device can adjust and change connection, the hinged first connecting rod and the second connecting rod are stretched, pushed or pulled by the cylinder rod of the air cylinder, so as to realize folding and clamping or unfolding, and has the advantages of large chuck opening, automatic clamping and stable self-locking, so that a welding piece is kept at a determined position, the applicability is improved, and various automatic welding processing requirements are met.

Description

Welding clamping device

Technical Field

The utility model belongs to the technical field of welding equipment, and particularly relates to a welding clamping device.

Background

Welding, also known as fusion, welding, is a manufacturing process and technique for joining metals or other materials in a heated, high temperature or high pressure manner, including fusion, pressure welding, and brazing, among others, in which a clamping device is used to hold the weldment in place. The welding clamping device in the prior art comprises a spiral manual clamping device, a lever clamping device, a clamping device driven pneumatically or hydraulically and the like, and a single manual structure has the defects of low working efficiency, high labor intensity, unstable clamping force and suitability for small-batch production; pneumatic or hydraulic telescopic linear clamping knot is convenient to operate, but the opening degree of a clamping arm is small, the clamping stroke is short, the clamping applicability to a non-horizontal plane of a weldment is poor, meanwhile, the clamping device is installed in a three-dimensional flexible welding platform, the clamping position can only be changed through the corresponding hole positions of the clamping device and the welding platform, the adjustment is complicated, the position of the whole device is difficult to change, the clamping height is changed through changing the size of the device by additionally installing a module, the adjustment is complicated, and the requirements of various automatic welding machining are difficult to meet.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problems, the utility model provides a welding clamping device which can be adjusted, disassembled and replaced, and can be folded, clamped or unfolded by stretching, pushing or pulling a first connecting rod and a second connecting rod which are hinged through a cylinder rod of an air cylinder, so that the welding clamping device has the advantages of large opening degree of a chuck and stable automatic clamping and self-locking, improves the applicability and meets various automatic welding processing requirements.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the utility model provides a welding clamping device, includes the pillar, the pillar top articulates there is first support arm, articulated on the first support arm have crossing first connecting rod and the second connecting rod that sets up, first support arm end connection has first arm lock, the pillar bottom is equipped with the backup pad, it has the cylinder to articulate in the backup pad, and the backup pad bottom is equipped with the gliding base of backup pad relatively, the cylinder is located pillar one side, and the jar rod tip of cylinder is articulated with first connecting rod and second connecting rod tip, the pillar lateral part is connected with the second support arm, the second support arm connection has the second arm lock, be equipped with the screw rod of subtend setting on second arm lock and the first arm lock respectively, the screw rod is equipped with the chuck with first arm lock or second arm lock screw-thread fit and tip.

Above-mentioned welding clamping device, preferably, first support arm is L shape structure and is equipped with a plurality of notches, first connecting rod, second connecting rod and base articulate in corresponding notch department, be equipped with a plurality of first connecting holes on first support arm and the first arm lock.

Above-mentioned welding clamping device, preferably, the backup pad bottom is connected with the slide, the slide bottom is equipped with a plurality of spouts, the base includes bottom plate and a plurality of slide rail, be equipped with the fixing base of being connected with the slide on the base, a plurality of slide rail settings just correspond sliding fit with the spout on the base, all be equipped with a plurality of second connecting holes between backup pad and the slide, between slide and the fixing base, on the bottom plate.

Above-mentioned welding clamping device, preferably, the second support arm is L shape structure, all is equipped with a plurality of third connecting holes on second support arm and the second arm lock, first arm lock and second arm lock all include armed lever and swivel nut, swivel nut and armed lever end connection and with screw rod screw-thread fit, be equipped with the handle of perpendicular connection on the screw rod, all be equipped with a plurality of fourth connecting holes on foundation pillar lateral wall and the second support arm.

Compared with the prior art, the utility model has the beneficial effects that:

(1) through adjusting screw, the screw rod makes the relative first arm lock of chuck or second arm lock adjusting position with swivel nut screw-thread fit, the installation can be adjusted through the relative second support arm of first connecting hole to the second arm lock, the installation can be adjusted through the relative base pillar of fourth connecting hole to the second support arm, the spout and the slide rail sliding fit installation of slide are passed through to the backup pad of base pillar, and be connected with the fixing base with the second connecting hole, make the relative base sliding adjustment installation of base pillar, the connection is traded in adjustable tearing open, satisfy multiple weldment or the welding clamping position demand.

(2) The cylinder rod of the air cylinder contracts or extends, the cylinder rod pulls or pushes the first connecting rod and the second connecting rod which are hinged through the hinged support, the first connecting rod and the second connecting rod deflect around the hinged position with the base column through the hinged pulling or pushing of the first supporting arm, the welding part can be placed or taken out in an opening mode, the welding part can be clamped in a folding mode, the automatic clamping and self-locking device has the advantages that the opening degree of a chuck is large, the automatic clamping and self-locking are stable, the chuck of the first clamping arm can meet the clamping requirements of the welding part on different planes along with the deflection of the first supporting arm, and the welding part can be kept in a determined position.

Therefore, the applicability of the clamping device is improved, and various automatic welding processing requirements are met.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a front plan view block diagram of an embodiment of the present invention;

FIG. 2 is a front bottom view of an embodiment of the present invention;

FIG. 3 is a rear view block diagram of an embodiment of the present invention;

fig. 4 is a front view structural diagram of an embodiment of the present invention.

In the figure: the base column 1, first support arm 2, first connecting rod 4 and second connecting rod 5, first arm lock 6, backup pad 7, cylinder 8, base 9, second support arm 10, second arm lock 11, screw rod 12, chuck 13, notch 14, first connecting hole 15, slide 16, spout 17, bottom plate 91, slide rail 92, fixing base 18, second connecting hole 19, even board 20, articulated seat 21, articulated support 22, third connecting hole 23, armed lever 24, swivel nut 25, handle 26, fourth connecting hole 27.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "axial," "radial," "vertical," "horizontal," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1-4, in order to achieve a preferred embodiment of the welding clamping device of the present invention, the welding clamping device includes a base column 1, a first supporting arm 2 is hinged to the top of the base column 1, a first connecting rod 4 and a second connecting rod 5 are hinged to the first supporting arm 2, the first supporting arm 2 is connected to a first clamping arm 6 at an end thereof, a supporting plate 7 is provided at the bottom of the base column 1, an air cylinder 8 is hinged to the supporting plate 7, a base 9 capable of sliding relative to the supporting plate 7 is provided at the bottom of the supporting plate 7, the air cylinder 8 is located at one side of the base column 1, a rod end of the air cylinder 8 is hinged to ends of the first connecting rod 4 and the second connecting rod 5, a second supporting arm 10 is connected to a side portion of the base column 1, the second supporting arm 10 is connected to a second clamping arm 11, and screws 12 are provided on the second clamping arm 11 and the first clamping arm 6 in opposite directions, the screw 12 is in threaded fit with the first clamping arm 6 or the second clamping arm 11, and a chuck 13 is arranged at the end part of the screw.

Above-mentioned welding clamping device, preferably, first support arm 2 is L shape structure and is equipped with a plurality of notches 14, first connecting rod 4, second connecting rod 5 and base 9 articulate in corresponding notch 14 department, be equipped with a plurality of first connecting holes 15 on first support arm 2 and the first arm lock 6.

Above-mentioned welding clamping device, preferably, backup pad 7 bottom is connected with slide 16, slide 16 bottom is equipped with a plurality of spout 17, base 9 includes bottom plate 91 and a plurality of slide rail 92, be equipped with the fixing base 18 of being connected with slide 16 on the base 9, a plurality of slide rail 92 set up on base 9 and with spout 17 corresponding sliding fit, all be equipped with a plurality of second connecting holes 19 between backup pad 7 and the slide 16, between slide 16 and the fixing base 18, on the bottom plate 91.

In the welding clamping device, preferably, the supporting plate 7 is provided with a hinge base 21, the bottom of the cylinder 8 is provided with a connecting plate 20 hinged to the hinge base 21, and a hinge support 22 is arranged between a cylinder rod of the cylinder 8 and the first connecting rod 4 and the second connecting rod 5.

Above-mentioned welding clamping device, preferably, second support arm 10 is L shape structure, all is equipped with a plurality of third connecting holes 23 on second support arm 10 and the second arm lock 11, first arm lock 6 and second arm lock 11 all include armed lever 24 and swivel nut 25,

swivel nut

25 and 24 end connection of armed lever and with screw rod 12 screw-thread fit, be equipped with perpendicular handle 26 of connecting on the screw rod 12, all be equipped with a plurality of fourth connecting holes 27 on foundation pillar 1 lateral wall and the second support arm 10.

The installation process and the working principle of the welding clamping device are as follows:

the supporting plate 7 of the foundation column 1 is installed on the corresponding sliding plate 16 through the second connecting hole 19, the sliding rail 92 is installed on the bottom plate 91, the sliding plate 16 is installed in a sliding fit with the sliding rail 92 through the sliding groove 17 and is connected with the fixed seat 18 of the bottom plate 91 through the second connecting hole 19, and the supporting plate 7 is connected with the base 9 which can slide relative to the supporting plate 7; the air cylinder 8 is connected with a hinge seat 21 through a connecting plate 20, and the hinge seat 21 is arranged on the support plate 7 to realize the hinge of the air cylinder 8 and the support plate 7; first support arm 2 articulates in base 1 top through notch 14, articulates first connecting rod 4 and second connecting rod 5 one end respectively in corresponding notch 14 department and forms crossing setting, articulates the cylinder rod tip at cylinder 8 through articulated bracket 22 with first connecting rod 4 and second connecting rod 5 other end, realizes the installation of first support arm 2, first connecting rod 4 and second connecting rod 5.

The first clamping arm 6 is correspondingly installed and adjusted in installation position with the first supporting arm 2 through the first connecting hole 15; the second support arm 10 is correspondingly installed and adjusted at an installation position with the side wall of the base column 1 through a fourth connection hole 27, so that the first clamping arm 6 and the second clamping arm 11 are in a coplanar or different plane, the second clamping arm 11 is correspondingly installed and adjusted at an installation position with the second support arm 10 through a third connection hole 23, so that the chucks 13 of the first clamping arm 6 and the second clamping arm 11 are located at corresponding positions or arranged in a staggered manner, the second clamping arm 11 is L-shaped, so that the chucks 13 are stably supported after being installed, the screw 12 is screwed into the screw sleeve 25 of the first clamping arm 6 or the second clamping arm 11 and is connected with the chucks 13, the handle 26 drives the screw 12 to rotate, the rotation is changed into linear motion along the screw 12 through the threaded fit of the screw 12 and the screw sleeve 25, and the relative position between the chucks 13 and the first clamping arm 6 or the second clamping arm 11 and the distance between the first clamping arm 6 and the second clamping arm 11 are adjusted and changed.

Connect the cylinder 8 with the air supply pipeline and be used for controlling the cylinder rod of cylinder 8 flexible, be connected base 9 with three-dimensional flexible welding platform's hole site through second connecting hole 19, according to weldment clamping demand, through removing being connected of slide 16 and fixing base 18, slide adjusting slide 16 and bottom plate 91's relative position adjusts base 9, adjust first arm lock 6, second arm lock 11 and chuck 13 position, in order to adapt to different shapes, thickness, the weldment location demand of fixed position, can dismantle the connection and change the part, satisfy three-dimensional flexible welding platform's design demand.

The cylinder rod of the air cylinder 8 contracts, the cylinder rod pulls the first connecting rod 4 and the second connecting rod 5 which are hinged through the hinge support 22, the first connecting rod 4 and the second connecting rod 5 deflect around the hinge position with the base column 1 through the hinge pulling of the first support arm 2 which is in an L shape, the distance and the angle between the chucks 13 of the first clamping arm 6 and the second clamping arm 11 are expanded, the connecting plate 20 of the air cylinder 8 deflects around the hinge position with the hinge seat 21 correspondingly, the hinge support 22 of the cylinder rod deflects relative to the first connecting rod 4 and the second connecting rod 5, the first connecting rod 4 and the second connecting rod 5 deflect around the hinge position with the first support arm 2 correspondingly to adapt to angle change, and the welding part is placed at the top of the chuck 13 of the second clamping arm 11 with larger opening degree and clamping stroke.

The welding device is characterized in that a cylinder rod of an air cylinder 8 extends, the cylinder rod pushes a first connecting rod 4 and a second connecting rod 5 which are hinged through a hinge support 22, the first connecting rod 4 and the second connecting rod 5 push a first support arm 2 which is L-shaped to deflect reversely around a hinge position with a base column 1 through hinge, the first support arm 2 and the second support arm 5 are folded to reduce the distance and the angle between chucks 13 of the first clamping arm 6 and the second clamping arm 11, a connecting plate 20 of the cylinder deflects correspondingly around the hinge position with a hinge seat 21, the hinge support 22 of the cylinder rod deflects relatively with the first connecting rod 4 and the second connecting rod 5, the first connecting rod 4 and the second connecting rod 5 deflect correspondingly around the hinge position with the first support arm 2 to adapt to angle change, so that the chucks 13 of the first clamping arm 6 and the second clamping arm 11 position a welding piece at a designated position, and the corresponding angle between the first support arm 2 and the base column 1 meets the clamping self-locking of a non-horizontal plane of the welding piece particularly so as to facilitate the welding operation.

Similarly, through setting up a plurality of clamping device on three-dimensional flexible welded platform, can carry out the multiple spot clamp to the weldment to welding operation, after welding operation, through the cylinder rod shrink of cylinder 8, expand interval and the angle between the chuck 13 of expansion first arm lock 6 and second arm lock 11, so that take out, shift the weldment.

To sum up, chuck 13 can be adjusted first arm lock 6 or arm lock relatively, first arm lock 6 can be 2 adjusting position of first arm lock relatively, second arm lock 11 can be adjusted the installation relatively second arm lock 10, second arm lock 10 can be adjusted the installation relatively base post 1, base post 1 can be relative base 9 slide adjusting installation, the jar pole shrink or the extension through cylinder 8, the realization is opened and is placed or take out the weldment, draw in and press from both sides tight weldment, it connects to have the detachable trade, the chuck aperture is big, automatic tight auto-lock of clamp is stable, chuck 13 of first arm lock 6 satisfies the tight advantage of weldment clamp of different planes along with the deflection of first arm lock 2, thereby improve clamping device's suitability, satisfy multiple automatic welding process demand.

The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. The welding clamping device is characterized by comprising a base column (1), wherein a first supporting arm (2) is hinged to the top of the base column (1), a first connecting rod (4) and a second connecting rod (5) which are arranged in an intersecting mode are hinged to the first supporting arm (2), a first clamping arm (6) is connected to the end portion of the first supporting arm (2), a supporting plate (7) is arranged at the bottom of the base column (1), an air cylinder (8) is hinged to the supporting plate (7), a base (9) which can slide relative to the supporting plate (7) is arranged at the bottom of the supporting plate (7), the air cylinder (8) is located on one side of the base column (1), the end portion of the air cylinder (8) is hinged to the end portions of the first connecting rod (4) and the second connecting rod (5), a second supporting arm (10) is connected to the side portion of the base column (1), and a second clamping arm (11) is connected to the second supporting arm (10), and the second clamping arm (11) and the first clamping arm (6) are respectively provided with a screw rod (12) which is oppositely arranged, and the screw rod (12) is in threaded fit with the first clamping arm (6) or the second clamping arm (11) and the end part of the screw rod is provided with a chuck (13).

2. Welding clamping device according to claim 1, characterized in that said first support arm (2) is of L-shaped configuration and is provided with a plurality of notches (14), said first connecting rod (4), said second connecting rod (5) and said base (9) being hinged at corresponding notches (14).

3. Welding clamp according to claim 1, characterized in that the first support arm (2) and the first clamp arm (6) are provided with a number of first connecting holes (15).

4. The welding clamping device according to claim 1, characterized in that a sliding plate (16) is connected to the bottom of the supporting plate (7), a plurality of sliding grooves (17) are formed in the bottom of the sliding plate (16), the base (9) comprises a bottom plate (91) and a plurality of sliding rails (92), a fixing seat (18) connected with the sliding plate (16) is arranged on the base (9), and the plurality of sliding rails (92) are arranged on the base (9) and are in corresponding sliding fit with the sliding grooves (17).

5. The welding clamping device according to claim 4, characterized in that a plurality of second connecting holes (19) are arranged between the supporting plate (7) and the sliding plate (16), between the sliding plate (16) and the fixed seat (18), and on the bottom plate (91).

6. The welding clamping device according to claim 1, characterized in that a hinge seat (21) is arranged on the supporting plate (7), a connecting plate (20) hinged with the hinge seat (21) is arranged at the bottom of the air cylinder (8), and a hinge bracket (22) is arranged between the cylinder rod of the air cylinder (8) and the first connecting rod (4) and the second connecting rod (5).

7. The welding clamp device according to claim 1, characterized in that the second supporting arm (10) is of an L-shaped structure, and a plurality of third connecting holes (23) are formed in the second supporting arm (10) and the second clamping arm (11).

8. The welding clamp device according to claim 1, characterized in that the first clamp arm (6) and the second clamp arm (11) each comprise an arm rod (24) and a screw sleeve (25), the screw sleeve (25) is connected with the end of the arm rod (24) and is in threaded fit with the screw (12), and the screw (12) is provided with a vertically connected handle (26).

9. The welding clamp device according to any one of claims 1 to 8, characterized in that the sidewall of the base column (1) and the second supporting arm (10) are provided with a plurality of fourth connecting holes (27).