CN216326069U

CN216326069U - Aluminum plate welding clamping device

Info

Publication number: CN216326069U
Application number: CN202122329650.9U
Authority: CN
Inventors: 马保钦; 周景华; 王育栋
Original assignee: Luoyang Foyang Decoration Engineering Co ltd
Current assignee: Luoyang Foyang Decoration Engineering Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-04-19
Anticipated expiration: 2031-09-24

Abstract

The utility model discloses an aluminum plate welding clamping device which comprises a plurality of pressing units which are longitudinally arranged in parallel; each pressing unit comprises two clamping single bodies which are bilaterally symmetrical by taking a welding seam as a center, and each clamping single body comprises a base, a pressure head assembly and a column beam body; the base is positioned below the aluminum plate and fixed on a workbench of welding equipment; one end of the column beam body is fixed on the base, and the other end of the column beam body is connected with the pressure head assembly; the pressure head assembly is positioned above the aluminum plate and used for pressing and fixing the aluminum plate on the upper surface of the base. The utility model adopts a split type interval clamping mode, and a plurality of clamping monomers are arranged side by side along a welding line; each clamping unit can independently compress and fix the aluminum plate, so that the flatness of the welding seam is guaranteed, and the welding quality is improved.

Description

Aluminum plate welding clamping device

Technical Field

The utility model belongs to the field of engineering aluminum profile processing, and relates to an aluminum plate welding and clamping device.

Background

The aluminum profile has excellent properties of light weight, corrosion resistance, high strength and the like, is more and more widely used in building engineering, and common aluminum profile components for building engineering comprise I-shaped aluminum, aluminum square tubes, angle aluminum, aluminum alloy node plates, aluminum veneers and the like. Because the mechanical property of the aluminum profile is reduced after the aluminum profile is heated and welded, the large aluminum profile components are usually assembled by bolts, but the workload of bolt connection of the large aluminum profile components for engineering is huge, for example, the area of a certain ceiling project is 2500 square meters, and if the aluminum profile components are all connected by bolts, the number of the bolts is more than 10 ten thousand. In the economical and efficient aspects, the aluminum profile components are pre-assembled by adopting a welding mode as far as possible, two aluminum plate components with the length of 15 meters are welded, and friction stir welding is selected to ensure the welding quality. During stirring welding, the butt joint welding seam of the two aluminum plates is long, the aluminum plates are bulged or shifted, the flatness and consistency of the joint seam are affected, the welding quality of friction stirring welding is greatly affected due to the uneven joint seam, and the workpiece is subjected to large axial upsetting force and large lateral component force in the welding process, so that the gap is inevitably enlarged. It is necessary to use a tooling fixture of sufficient rigidity to secure the weld or otherwise it is difficult to ensure the quality of the weld. Therefore, it is necessary to develop an aluminum plate welding and clamping device for large engineering aluminum profiles.

Disclosure of Invention

In order to overcome the defects in the background art, the utility model provides an aluminum plate welding clamping device, which aims to adopt a split type interval clamping mode, utilize a plurality of clamping monomers and arrange side by side along the butt welding seam of two aluminum plates so as to meet the requirement of longer clamping distance; every centre gripping monomer homoenergetic can independently compress tightly aluminum plate fixedly at the station that corresponds to can adjust the dynamics of compressing tightly of arbitrary centre gripping position, with the roughness of guaranteeing two aluminum plate's seam crossing and the uniformity of welding seam.

In order to achieve the purpose, the utility model provides the following technical scheme:

an aluminum plate welding clamping device comprises a plurality of pressing units, wherein the pressing units are longitudinally arranged along the welding line of two aluminum plates to be welded; each pressing unit comprises two clamping single bodies which are bilaterally symmetrical by taking the welding line as a center, a reserved space is formed between the two clamping single bodies, the reserved space is used for a welding head of welding equipment to extend into the position of the welding line, and each clamping single body comprises a base, a pressure head assembly and a column beam body;

the base is positioned below the aluminum plate, and the lower surface of the base is fixedly connected to a workbench of welding equipment;

one end of the column beam body is fixed on the base, and the other end of the column beam body is connected with a vertically arranged pressure head assembly;

the pressure head assembly is positioned above the aluminum plate and used for pressing and fixing the aluminum plate on the upper surface of the base;

the pressure head assembly comprises a pressure plate and a driving element, wherein the pressure plate can move up and down; one end of the driving element is fixedly connected with the column beam body, the other end of the driving element is fixedly connected with the pressing plate, and the driving element is used for driving the pressing plate to move up and down; the pressing plate (121) is used for clamping and fixing the aluminum plate by moving up and down.

Further, the column beam body comprises a vertical column and a cross beam; the upright post is vertically fixed on the base, the upper part of the upright post is fixedly connected with a horizontally arranged cross beam, one end of the cross beam is fixedly connected to the side surface of the upright post, and the other end of the cross beam is connected with the pressure head assembly.

Further, the post and beam body is integrated into one piece's right angle return bend, including mutually perpendicular's horizontal part and vertical portion, the end of vertical portion is fixed on the base, the end and the pressure head subassembly of horizontal part are connected.

Further, the driving element is a pneumatic cylinder, a cylinder body of the pneumatic cylinder is fixedly connected with the column beam body, and a piston rod of the pneumatic cylinder is fixedly connected with the pressing plate and used for driving the pressing plate to move up and down through the expansion of the piston rod.

Furthermore, the driving element is a threaded telescopic rod and comprises a first screw rod and a hand wheel; the upper end and the lower end of the first screw rod are respectively fixedly connected with a hand wheel and a pressing plate, and the first screw rod is in threaded connection with a first threaded through hole preset in the column beam body and used for driving the pressing plate to move up and down through rotation of the hand wheel.

Further, the clamping single body further comprises a horizontal push block assembly; the horizontal push block assembly is arranged at the bottom of the column beam body and used for horizontally pushing against and supporting the aluminum plate and comprises a push block, a push rod and a handle;

one end of the push rod is rotatably connected with the push block, and the other end of the push rod is fixedly connected with the handle;

the bottom surface of the push block is attached to the upper surface of the base and used for horizontally propping and supporting the end surfaces of the aluminum plate on the opposite sides of the welding seam;

the push rod is a second screw rod, the second screw rod is in threaded connection with a second threaded through hole which is preset in the column beam body, and the push rod is driven to horizontally push the aluminum plate tightly through rotation of the handle.

Further, the clamping device also comprises a lower backing plate;

cutting grooves are preset at the corners of the two opposite bases in each pressing unit, which are close to the welding seam; the two opposite cutting grooves of the base form a through groove, and the grooves formed by the parallel arrangement of the plurality of pressing units form a concave space;

the base plate is located in the concave space and located right below the welding line, and the upper surface of the base plate is flush with the upper surface of the base.

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

the split type interval clamping mode is adopted, a plurality of clamping monomers are arranged side by side, and the aluminum plate is clamped at intervals, so that clamping and fixing can be performed under the working condition of a longer welding line; every centre gripping monomer homoenergetic can be at the station independent work that corresponds to can adjust at the dynamics that compresses tightly of different positions, avoid aluminum plate's drumming or aversion, with the roughness of guaranteeing two aluminum plate's seam crossing and the uniformity of welding seam, thereby improved welding quality.

Drawings

FIG. 1 is a schematic plan view showing the structure of embodiment 1 of the present invention;

FIG. 2 is a schematic three-dimensional structure of embodiment 1 of the present invention;

FIG. 3 is a schematic three-dimensional structure of a clamping unit according to embodiment 1 of the present invention;

FIG. 4 is a schematic three-dimensional structure of embodiment 2 of the present invention;

fig. 5 is a schematic three-dimensional structure diagram of a clamping unit in embodiment 2 of the utility model.

In the figure: the welding device comprises a pressing unit 1, a clamping unit 10, a base 11, a cutting groove 111, a pressure head assembly 12, a pressing plate 121, a driving element 122, a pneumatic cylinder 1221, a telescopic rod 1222, a first screw 1223, a hand wheel 1224, a beam 13, a column 131, a beam 132, a horizontal part 133, a vertical part 134, a horizontal push block assembly 14, a push block 141, a push rod 142, a handle 143, a lower backing plate 2, a workbench of a stirring welding device 41, a welding head of a stirring welding device 42, an aluminum plate 5 and a welding seam 51.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings of the present invention, and it is obvious that the described embodiments are only a part of the preferred embodiments of the present invention, and not all embodiments. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1: please refer to fig. 1-3;

the utility model provides the following technical scheme: an aluminum plate welding clamping device comprises a plurality of pressing units 1 and a lower backing plate 2, wherein the pressing units 1 are longitudinally arranged in parallel along a welding line 51 of two aluminum plates 5 to be welded; each pressing unit 1 comprises two clamping single bodies 10 which are bilaterally symmetrical with the welding seam 51 as the center, a reserved space is formed between the two clamping single bodies, the reserved space is used for enabling a machine head 42 of welding equipment to extend into the position of the welding seam 51, and each clamping single body 10 comprises a base 11, a pressure head assembly 12, a column beam body 13 and a horizontal push block assembly 14;

the base 11 is positioned below the aluminum plate 5, and the lower surface of the base is fixedly connected to a workbench 41 of the welding equipment 4 (not shown in the figure); a cutting groove 111 is preset at the corner of two opposite bases 11 in each pressing unit 1 close to the position of the welding seam 51; the opposite cutting grooves 111 of the two bases 11 form through grooves, and the grooves arranged in parallel of the plurality of pressing units 1 form a concave space 3 (the positions of the grooves are overlapped with those of the lower backing plate 2 in the figure);

the lower backing plate 2 is located in the concave space 3 and is positioned right below the welding seam 51, and the upper surface of the lower backing plate is flush with the upper surface of the base 11;

the pillar body 13 includes a pillar 131 and a cross beam 132; the upright column 131 is vertically fixed on the base 11, the upper part of the upright column is fixedly connected with a horizontal beam 132, one end of the beam 132 is fixedly connected to the side surface of the upright column 131, and the other end of the beam 132 is connected with the pressure head assembly 12.

The pressure head assembly 12 is positioned above the aluminum plate 5 and comprises a pressure plate 121 and a driving element 122 which can move up and down; one end of the driving element 122 is fixedly connected with the column beam body 13, the other end of the driving element is fixedly connected with the pressing plate 121, and the driving element 122 is used for driving the pressing plate 121 to move up and down; the pressing plate 121 is used for adjusting the pressing force on the aluminum plate 5 by moving up and down; the aluminum plate 5 is pressed and fixed on the upper surface of the base 1;

the driving element 122 is a pneumatic cylinder, a cylinder 1221 of the pneumatic cylinder is fixedly connected with the beam 132 of the pillar body 13, and a piston rod 1222 of the pneumatic cylinder is fixedly connected with the pressure plate 121, and is used for driving the pressure plate 121 to move up and down through the extension and retraction of the piston rod 1222;

the horizontal push block assembly 14 is arranged at the bottom of the pillar beam body 13 and comprises a push block 141, a push rod 142 and a handle 143; one end of the push rod 142 is rotatably connected with the push block 141, and the other end thereof is fixedly connected with the handle 143; the bottom surface of the push block 141 is attached to the upper surface of the base 11 and used for horizontally supporting the end surface of the aluminum plate 5 on the opposite side of the welding seam 51; the push rod 142 is a second screw rod, and the second screw rod is in threaded connection with a second threaded through hole 136 preset in the pillar beam body 13, and is used for driving the push block 141 to horizontally push against the aluminum plate 5 through rotation of the handle 143.

When in use, in the first step, two clamping single bodies 10 are arranged on a workbench 41 of the welding equipment by taking a welding head 42 of the welding equipment as a center; secondly, placing the lower cushion plate 2 into the concave space 3; thirdly, the telescopic rod 1222 of the pneumatic cylinder 122 is contracted to drive the pressing plate 121 to ascend, and the two aluminum plates 5 are placed on the base 11; fourthly, rotating a handle 143 in the horizontal push block assembly 14, horizontally pushing the push block 141 against the end surface of the aluminum plate 5 through the push rod 142, and adjusting the positions of the two aluminum plates 5 so that the welding seam 51 of the two aluminum plates 5 in butt joint is positioned in the middle of the two clamping single bodies 10; fifthly, inflating and pressurizing the pneumatic cylinder serving as the driving element 122 to extend the piston rod 1222, so as to drive the pressing plate 121 to press and fix the aluminum plate 5 on the upper surface of the base 11, thereby clamping and fixing the aluminum plate 5; sixthly, the welding equipment is started, so that the welding head 42 extends downwards to the welding seam 51 and presses against the surface of the aluminum plate 5 to perform welding.

It should be noted that:

1. the welding apparatus is not shown in the figure, and the apparatus is a stir welding apparatus, and the horn 42 is a rotary head for stir welding. It is understood that the clamping device of the present embodiment functions to clamp the aluminum sheet 5; therefore, the clamping device can also be applied to other welding equipment, such as argon arc welding equipment and the like.

2. Pneumatic cylinders as the driving members 122 for providing pressing force to the pressing plate 121 by air pressure are connected to each pneumatic cylinder, so that each pneumatic cylinder can individually control the air pressure in the cylinder 1221, so that each clamping unit 10 can individually perform a clamping function.

3. Although the clamping units 10 are arranged in pairs on both sides of the weld seam 51, the longitudinal position adjustment of the single clamping unit 10 is not hindered, and the clamping units can perform pressure fixation on the bulged or sunken deformation part of the aluminum plate 5, so that the clamping fixation function and the function of correcting the flatness of the aluminum plate 5 can be realized.

4. Lower bolster 2 lifts under welding seam 51, not only plays the effect of lifting the support, can also protect base 11 for after welding many times, by wearing and tearing lower bolster 2 can change, and can not wear and tear base 11, improve base 11's life.

The embodiment has the advantages that a split type interval clamping mode is adopted, the aluminum plates 5 are clamped at intervals by utilizing the plurality of clamping single bodies 10 arranged side by side, and the clamping and fixing can be carried out under the working condition of a longer welding line 51; the pneumatic cylinder homoenergetic of every centre gripping monomer 10 can be in the station independent work that corresponds to can adjust at the dynamics that compresses tightly of different positions, avoid aluminum plate's drumming or aversion, with the roughness of guaranteeing two aluminum plate 5's seam crossing and the uniformity of welding seam 51, thereby improved welding quality.

Example 2: please refer to fig. 4-5;

an aluminum plate welding clamping device is different from the embodiment 1 in that:

the lower cushion plate 2 is eliminated, and the cutting groove 111 is also eliminated on the base 11;

the column beam body 13 is an integrally formed right-angle elbow and comprises a horizontal part 133 and a vertical part 144 which are perpendicular to each other, the tail end of the vertical part 144 is fixed on the base 11, and the tail end of the horizontal part 133 is connected with the pressure head assembly 12;

the driving element 122 is a threaded telescopic rod, and comprises a first screw 1223 and a hand wheel 1224; the upper end and the lower end of the first screw 1223 are respectively and fixedly connected with a hand wheel 1224 and a pressing plate 121, and the first screw 1223 is in threaded connection with a first threaded through hole 135 preset in the pillar body 13 and is used for driving the pressing plate 121 to move up and down through the rotation of the hand wheel 1224.

When in use, the difference from the embodiment 1 is that: the second step is cancelled; in the third step, the hand wheel 1224 is rotated to drive the pressing plate 121 to rise, and the aluminum plate 5 is placed on the upper surface of the base 11; in the fifth step, the hand wheel 1224 is rotated to drive the pressing plate 121 to descend, so that the aluminum plate 5 is pressed and fixed on the base 11; the rest of the procedure was the same as in example 1.

It should be noted that although the driving element 122 of the ram assembly 12 is manually controlled in this embodiment, each clamping unit 10 is a single unit which works independently, so that the difficulty of controlling the pressing plate 121 is not increased compared with embodiment 1, and the pressing plate 121 does not rise back because the hand wheel 1224 is released after the aluminum plate 5 is pressed due to the self-locking effect of the threads, and the pressing force is provided by the friction force of the threads; secondly, when the distance between the two bases 11 constituting the clamping unit 10 is small, the support at the bottom of the welding seam 51 is provided by the bases 11, and in addition, the welded aluminum plate is thick, the force of the welding head 42 is difficult to act on the bases 11, and the lower backing plate 2 is not needed.

The present embodiment has the same function of clamping and fixing the aluminum plate 5 as embodiment 1, and each clamping unit 10 is also operated independently, thereby having the same advantageous effects as embodiment 1.

The utility model is not described in detail in the prior art; for a person skilled in the art, various technical features of the embodiments described above may be combined arbitrarily, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, however, as long as there is no contradiction between the combinations of the technical features, the combinations should be considered as the scope of the present description. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an aluminum plate welding clamping device which characterized in that: the aluminum plate welding device comprises a plurality of pressing units (1), wherein the pressing units (1) are longitudinally arranged in parallel along the welding line of two aluminum plates to be welded; each pressing unit (1) comprises two clamping single bodies (10) which are bilaterally symmetrical by taking the welding line as a center, a reserved space is formed between the two clamping single bodies, the reserved space is used for enabling a welding head of the stirring welding equipment to extend into the position of the welding line, and each clamping single body (10) comprises a base (11), a pressure head assembly (12) and a column beam body (13);

the base (11) is positioned below the aluminum plate, and the lower surface of the base is fixedly connected to a workbench of stirring welding equipment;

one end of the column beam body (13) is fixed on the base (11), and the other end of the column beam body is connected with a vertically arranged pressure head assembly (12);

the pressing head assembly (12) is positioned above the aluminum plate, is used for pressing and fixing the aluminum plate on the upper surface of the base (11), and comprises a pressing plate (121) capable of moving up and down and a driving element (122); one end of the driving element (122) is fixedly connected with the column beam body (13), the other end of the driving element is fixedly connected with the pressing plate (121), and the driving element (122) is used for driving the pressing plate (121) to move up and down; the pressing plate (121) is used for clamping and fixing the aluminum plate by moving up and down.

2. The aluminum plate welding fixture of claim 1, wherein: the pillar beam body (13) comprises a pillar (131) and a cross beam (132); the upright post (131) is vertically fixed on the base (11), the upper part of the upright post is fixedly connected with a horizontal beam (132), one end of the beam (132) is fixedly connected to the side surface of the upright post (131), and the other end of the beam is connected with the pressure head assembly (12).

3. The aluminum plate welding fixture of claim 1, wherein: the post roof beam body (13) is integrated into one piece's right angle return bend, including mutually perpendicular's horizontal part (133) and vertical portion (144), the end of vertical portion (144) is fixed on base (11), the end and the pressure head subassembly (12) of horizontal part (133) are connected.

4. The aluminum plate welding fixture of claim 1, wherein: the driving element (122) is a pneumatic cylinder, a cylinder body (1221) of the pneumatic cylinder is fixedly connected with the beam body (13), and a piston rod (1222) of the pneumatic cylinder is fixedly connected with the pressure plate (121) and used for driving the pressure plate (121) to move up and down through the extension and retraction of the piston rod (1222).

5. The aluminum plate welding fixture of claim 1, wherein: the driving element (122) is a threaded telescopic rod and comprises a first screw (1223) and a hand wheel (1224); the upper end and the lower end of the first screw rod (1223) are respectively fixedly connected with a hand wheel (1224) and a pressing plate (121), and the first screw rod (1223) is in threaded connection with a first threaded through hole (135) preset in the pillar body (13) and is used for driving the pressing plate (121) to move up and down through rotation of the hand wheel (1224).

6. The aluminum plate welding fixture of claim 1, wherein: the clamping single body further comprises a horizontal push block assembly (14); the horizontal push block assembly (14) is arranged at the bottom of the column beam body (13) and comprises a push block (141), a push rod (142) and a handle (143);

one end of the push rod (142) is rotatably connected with the push block (141), and the other end of the push rod is fixedly connected with the handle (143);

the bottom surface of the push block (141) is attached to the upper surface of the base (11) and used for horizontally propping up the end surface of the aluminum plate on the opposite side of the welding line;

the push rod (142) is a second screw rod, and the second screw rod is in threaded connection with a second threaded through hole (136) which is preset in the column beam body (13) and is used for driving the push block (141) to horizontally push against the aluminum plate through rotation of the handle (143).

7. The aluminum plate welding fixture of claim 1, wherein: the clamping device also comprises a lower backing plate (2);

a cutting groove (111) is preset at the corner of the two opposite bases (11) in each pressing unit (1) close to the position of the welding seam; the opposite cutting grooves (111) of the two bases (11) form through grooves, and the grooves formed by the parallel arrangement of the plurality of pressing units (1) form a concave space (3);

the lower backing plate (2) is located in the concave space (3), and the upper surface of the lower backing plate is flush with the upper surface of the base (11).