CN209736905U

CN209736905U - Welding device

Info

Publication number: CN209736905U
Application number: CN201920239265.5U
Authority: CN
Inventors: 张昌志
Original assignee: Sichuan Guoteng Equipment Manufacturing Co Ltd
Current assignee: Sichuan Guoteng Equipment Manufacturing Co Ltd
Priority date: 2019-02-25
Filing date: 2019-02-25
Publication date: 2019-12-06
Anticipated expiration: 2029-02-25

Abstract

The utility model relates to a machining frock field, a welding set, including the welding machine, still include the base, install a plurality of clamping device who is used for the centre gripping work piece on the base, clamping device includes base, holding strip and telescopic link, base and base fixed connection, and the telescopic link is connected on the base, and the telescopic link is connected with the holding strip and is used for driving the holding strip and carry out the work piece centre gripping near the base, and the motion mode of holding strip is one in lift clamping or the upset clamping. The utility model discloses can the automatic clamping by the welded plate-shaped work piece, can finely tune simultaneously with the different plate-shaped work pieces of clamping, have that the clamping is automatic high, the clamping is fast, the clamping precision is high, fix a position simultaneously by the characteristics of welding.

Description

Welding device

Technical Field

The utility model relates to the field of machining, specifically indicate a welding set.

Background

In the field of processing of automobile parts, referring to fig. 1 and 2, for example, parts such as a floor, an engine compartment side beam cover plate, an engine compartment side plate and the like, a plate-shaped material is usually subjected to punch forming and then auxiliary parts are welded, a punch-formed workpiece has a special appearance such as a plane, an inclined plane and a vertical plane, the auxiliary parts need to be precisely welded at corresponding positions, and therefore a corresponding clamping tool needs to be specially designed to clamp the plate-shaped workpiece and then weld the plate-shaped workpiece.

at present, a specially designed tool clamp is adopted to weld a plate-shaped workpiece, and if the sizes of parts such as a floor, an engine compartment side beam cover plate, an engine compartment side plate and the like are changed, the corresponding tool clamp also needs to be correspondingly changed, which is one of defects. In addition, the clamping process is mostly carried out manually, the automation degree is low, the clamping speed is low, and then the machining efficiency is reduced. Meanwhile, the situation that the workpiece position deviates due to manual clamping occurs sometimes, the clamping position is not accurate, the accuracy of the welding position cannot be guaranteed, and the qualified rate of a welded product is low. In addition, the tool clamp only clamps the welded part, the welded part cannot be positioned, the time for manually adjusting the welded part is long, and the accuracy is low, so that the welding quality and the welding speed are low.

How to solve the above technical problems becomes the direction of efforts of those skilled in the art.

SUMMERY OF THE UTILITY MODEL

Based on above problem, the utility model provides a welding set. The utility model discloses can the automatic clamping by the welded plate-shaped work piece, can finely tune simultaneously with the different plate-shaped work pieces of clamping, have that the clamping is automatic high, the clamping is fast, the clamping precision is high, fix a position simultaneously by the characteristics of welding.

For solving the above technical problem, the utility model discloses a technical scheme as follows:

The utility model provides a welding set, includes the welding machine, still includes the base, installs a plurality of clamping device that are used for the centre gripping work piece on the base, and clamping device includes base, holding strip and telescopic link, base and base fixed connection, and the telescopic link is connected on the base, and the telescopic link is connected with the holding strip and is used for driving the holding strip to be close to the base and carries out the work piece centre gripping, and the motion mode of holding strip is one of lift clamping or upset clamping.

As a preferable mode, the telescopic rod is one of a hydraulic rod, a pneumatic rod, an electric telescopic rod and a screw lifting mechanism.

As a preferable mode, the movement mode of the holding strip is overturning clamping.

As an optimal mode, the base is hinged with a turnover hinge seat, the holding strip is connected with the turnover hinge seat, the telescopic rod is hinged with the holding strip, and the middle part of the telescopic rod is hinged on the base.

as a preferred mode, the holding strip is hinged on the base, the telescopic rod is hinged with the base, and the telescopic rod is hinged with the holding strip.

as a preferred mode, install at least one on the base and lean on the seat, lean on the seat to offer with the holding strip rotating surface in the coplanar and with the recess of holding strip appearance matching.

As a preferable mode, the base is provided with a positioning rod.

As a preferred mode, the holding strip is detachably provided with an upper holding block, the base is provided with a lower holding block corresponding to the upper holding block in position, and the opposite surface of the upper holding block and the lower holding block is a horizontal plane, an inclined plane, a curved plane or a vertical plane.

As a preferred mode, a welding part fixing seat is installed on the base, and a welding guide seat is installed on the clamping strip.

As an optimal mode, the base comprises a mounting plate, I-shaped steel and rollers, the I-shaped steel spans the rollers, the mounting plate is placed on the I-shaped steel, the clamping device is directly connected with the mounting plate, and the mounting plate, the I-shaped steel and the rollers are connected through connecting screws to form an integral component.

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

(1) the utility model can automatically clamp the welded plate-shaped workpiece, can finely adjust to clamp different plate-shaped workpieces, and has the characteristics of high clamping automation, high clamping speed, high clamping precision and simultaneous positioning of the welded workpiece;

(2) the positioning rod is arranged on the base, and can pass through the hole preset on the plate-shaped workpiece for positioning, so that the workpiece clamping position can be fixed quickly and accurately;

(3) The utility model can automatically clamp workpieces in different shapes only by changing the smaller upper clamping block and the smaller lower clamping block without changing the base and the clamping strip, thereby avoiding the situation that the clamp needs to be redesigned after the clamping workpiece is changed, and simultaneously, the upper clamping block and the lower clamping block can also simplify the clamping datum plane of the clamp and reduce the area of the machined datum plane;

(4) The utility model discloses install a welding fixing base on the base, install welding guide seat on the holding strip. The welding part fixing seat has the function of fixing the welded part, the welding guide seat is used for guiding a welding head of the welding machine to be close to a welding position, and the welding quality and the welding yield are improved by fixing the welded part and guiding the welding device;

(5) The utility model discloses the base includes mounting panel, I-steel, gyro wheel, and the three passes through connecting screw to connect and forms whole component. The I-steel is used as a main supporting stress member, the mounting plate is used for fixing the clamping device on the mounting plate, and the roller is convenient for the whole device to move, so that a movable base which is movable, high in bearing capacity and convenient for the clamping device to be disassembled and replaced and the clamping device to be disassembled is formed;

(6) The utility model discloses can also install the tool holder that is used for placing the instrument on the base, the working seat can be the box, also can punch on cubic object as shown in fig. 3, and the hole forms the space of placing of instrument. Therefore, the collection and management of tools are facilitated, and the management difficulty of tools on the processing site is reduced.

Drawings

Fig. 1 is a background art introduction drawing.

fig. 2 is a background introduction drawing.

Fig. 3 is a front view of the present invention.

Fig. 4 is a left side view of the present invention.

Fig. 5 is a top view of the present invention.

Fig. 6 is an axonometric view of the present invention.

fig. 7 is a front view of a holding jig of embodiment 1.

Fig. 8 is a left side view of the holding jig of embodiment 1.

Fig. 9 is a plan view of a holding jig of embodiment 1.

Fig. 10 is a schematic structural view of a holding device according to embodiment 2.

FIG. 11 is a schematic view of a structure of a holding apparatus according to embodiment 3.

FIG. 12 is a front view of a holding jig of embodiment 4.

FIG. 13 is a left side view of a holding jig of embodiment 4.

FIG. 14 is a top view of a holding jig of embodiment 4.

FIG. 15 is a schematic view of a welder.

The welding machine comprises a base 1, a mounting plate 101, I-steel 102, a roller 103, a connecting screw 104, a workpiece 2, a clamping device 3, a base 301, a telescopic rod 302, a turnover hinge seat 303, a seat 304, a clamping strip 305, an upper clamping block 306, a lower clamping block 307, a positioning rod 308, a welding guide hole 309, a 3010 welding part fixing seat, a tool seat 4 and a welding machine 5.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. Embodiments of the present invention include, but are not limited to, the following examples.

Example 1:

The embodiment aims to solve the technical problems that the existing clamping process pointed out in the background art is mostly carried out manually, the automation degree is low, the clamping speed is low, and the machining efficiency is reduced.

Referring to fig. 3 to 6, a welding device comprises a welding machine 5 and a base 1, wherein a plurality of clamping devices 3 used for clamping a workpiece 2 are installed on the base 1, the welding machine 5 is in the prior art and can be an ultrasonic welding machine 5, a laser welding machine 5 and the like, the welding machine 5 can be directly installed on the base 1 or can be installed on other auxiliary mechanisms independently, and the base 1 can be provided with the clamping devices 3 and is indefinite in shape. Referring to fig. 7 to 9, the clamping device 3 includes a base 301, a clamping strip 305, and further includes an expansion link 302, the base 301 has a reference surface for positioning the workpiece 2 and can be fixed on a corresponding platform, the clamping strip 305 is not limited in shape, and has a reference surface for pressing the workpiece 2, the reference surfaces for positioning the workpiece 2 and pressing the workpiece 2 can be inclined, flat or vertical, corresponding design is performed according to the positioning point of the workpiece 2, the expansion link 302 is lifted and lowered for driving the clamping strip 305 to approach the base 301 for clamping the workpiece 2, the expansion link 302 is one of a hydraulic rod, a pneumatic rod, an electric expansion link 302, and a screw lifting mechanism, which are well known to those skilled in the art of tool fixtures, and are not described herein again. The movement mode of the clamping strip 305 can be directly vertically driven by the telescopic rod 302 to lift for clamping, or the telescopic rod 302 can pull the clamping strip 305 to rotate for clamping.

The rotation of the clamping bar 305 for clamping has two designs:

the first method comprises the following steps: referring to fig. 7, a turning hinge base 303 is arranged between a base 301 and a clamping strip 305 for turning the clamping strip 305, the rotating center of the turning hinge base 303 is a position hinged to the base 301, an expansion link 302 is hinged to the clamping strip 305, and the expansion link 302 is lifted and pulled to rotate the clamping strip 305 around the hinged position of the turning hinge base 303 and the base 301.

Second (not shown): the holding strip 305 is directly hinged on the base 301, meanwhile, the telescopic rod 302 is hinged on the base 301, and when the telescopic rod 302 is lifted, the telescopic rod 302 rotates around the hinged position of the telescopic rod and the base 301 to match the movement track of the arc line of the holding strip 305 when the holding strip 305 rotates, so that the purpose that the telescopic rod 302 is lifted to pull the holding strip 305 to rotate to clamp the workpiece 2 is achieved.

the second way is less than the first way in the number of the turnover hinge seats 303, but the base 301 needs to be correspondingly provided with a hinge installation position in the first way, the structure of the base 301 is more complicated, and meanwhile, the turnover hinge seats 303 can slightly increase the distance between the base 301 and the clamping strips 305, so that the corresponding installation arrangement of the upper clamping blocks 306 and the lower clamping blocks 307 in the embodiment 3 is facilitated.

Meanwhile, at least one leaning seat 304 is installed on the base 301, a groove which is located on the same plane with the rotating surface of the clamping strip 305 and matched with the shape of the clamping strip 305 is formed in the leaning seat 304, the clamping strip 305 is embedded into the groove of the leaning seat 304 when rotating and falling down, and the accuracy of the clamping position of the clamping strip 305 is guaranteed.

The base 1 comprises a mounting plate 101, I-shaped steel 102 and a roller 103, the I-shaped steel 102 spans the roller 103, the mounting plate 101 is placed on the I-shaped steel 102, the clamping device 3 is directly connected with the mounting plate 101, and the mounting plate 101, the I-shaped steel 102 and the roller 103 are connected through a connecting screw 104 to form an integral component. The I-shaped steel 102 is used as a main supporting stress member, the mounting plate 101 is used for fixing the clamping device 3 thereon, and the rollers 103 facilitate the movement of the whole device, so that the movable base 1 which is movable, high in bearing capacity and convenient for the dismounting, the replacement and the self-dismounting of the clamping device 3 is formed.

In addition, the base 1 can be provided with a tool seat 4 for placing tools, the working seat can be a box body, or holes can be punched on the block-shaped object as shown in fig. 3, and the holes form a tool placing space. Therefore, the collection and management of tools are facilitated, and the management difficulty of tools on the processing site is reduced.

The working process is as follows: the workpiece 2 is placed on the base 301, the telescopic rod 302 drives the clamping strip 305 to lift or rotate, the clamping strip 305 is close to and compresses the workpiece 2, and meanwhile, the clamping strip 305 partially falls into a groove of the leaning seat 304, so that the process of automatically clamping the workpiece 2 in a single point mode is completed.

Example 2:

The embodiment aims to solve the technical problems that manual clamping pointed out in the background art causes the deviation of the position of the workpiece 2, the clamping position is not accurate, the accuracy of the welding position cannot be guaranteed, and the qualified rate of a welded product is low.

Referring to fig. 10, the other parts of this embodiment are the same as embodiment 1, and the difference from embodiment 1 is that: the positioning rod 308 is installed on the base 301 of the clamping device 3, and the positioning rod 308 can penetrate through a preset hole in the plate-shaped workpiece 2 and is used for positioning, so that the workpiece 2 can be clamped quickly and accurately.

Example 3:

The embodiment aims to solve the technical problem that if the sizes of parts such as a floor, an engine compartment side beam cover plate, an engine compartment side plate and the like are changed, corresponding tool fixtures need to be redesigned.

Other parts of the present embodiment are the same as those of the other embodiments, and the present embodiment is different from the other embodiments in that: the holding strip 305 is detachably provided with an upper holding block 306, and the base 301 is provided with a lower holding block 307 corresponding to the upper holding block 306. The opposite surfaces of the upper clamping block 306 and the lower clamping block 307 are horizontal surfaces, inclined surfaces, curved surfaces or vertical surfaces, referring to fig. 7, the opposite surfaces of the pair of upper clamping block 306 and the lower clamping block 307 are horizontal surfaces, and the opposite surfaces of the other pair of upper clamping block 306 and the lower clamping block 307 are approximately vertical inclined surfaces, so that the punched special-shaped workpiece 2 with inclined surfaces and horizontal surfaces can be clamped and positioned. Referring again to fig. 10, the opposite surfaces of the two pairs of upper clamping blocks 306 and lower clamping blocks 307 are horizontal surfaces, so that the workpiece 2 is clamped well in a horizontal position. Referring to fig. 11 again, the opposite surfaces of the pair of upper clamping blocks 306 and the pair of lower clamping blocks 307 are horizontal surfaces, and the opposite surfaces of the other pair of upper clamping blocks 306 and the pair of lower clamping blocks 307 are inclined surfaces, so that the punched special-shaped workpiece 2 with the inclined surfaces and the horizontal surfaces can be clamped and positioned. Although not shown in the figure, the surfaces of the upper and lower clamping blocks 306 and 307 facing each other are vertical surfaces, the surfaces of the upper and lower clamping blocks 306 and 307 facing each other may be vertical surfaces, and the vertical surface portion of the workpiece 2 may be clamped.

therefore, the workpieces 2 with different shapes can be automatically clamped by only replacing the smaller upper clamping block 306 and the smaller lower clamping block 307 without changing the base 301 and the clamping strip 305, the situation that the clamp needs to be redesigned after the clamped workpieces 2 are changed is avoided, and meanwhile, the clamping reference surface of the clamp can be simplified by the upper clamping block 306 and the lower clamping block 307, and the area of the machined reference surface is reduced.

Example 4:

The embodiment aims to solve the technical problems that the tool clamp pointed out in the background technology only clamps the welded part, the welded part cannot be positioned, the process time for manually adjusting the welded part is long, the accuracy is low, and the welding quality and the welding speed are caused to be double-low.

Referring to fig. 12 to 14, the other parts of the present embodiment are the same as the other embodiments, and the differences from the other embodiments are as follows: the base 301 of the clamping device 3 is provided with a welding part fixing seat 3010, and the holding strip 305 is provided with a welding guide seat.

The welding part fixing seat 3010 has a function of fixing a welded part, such as locking with a screw, compressing with a spring, etc., and the welding guide seat is used for guiding a welding head of the welding machine 5 to be close to a welding position, and generally, a circular hole is formed in the welding guide seat, so as to guide or directly mount the welding machine 5 thereon. The welding quality and the welding yield are improved by fixing the welded piece and guiding the welding device.

The embodiment of the present invention is the above. The above embodiments and the specific parameters in the embodiments are only for the purpose of clearly expressing the verification process of the utility model, and are not used to limit the patent protection scope of the present invention, the patent protection scope of the present invention is still subject to the claims, all the structural changes equivalent to the contents of the description and the drawings of the present invention should be included in the protection scope of the present invention.

Claims

1. A welding device comprising a welding machine (5), characterized in that: the clamping device comprises a base (1), a plurality of clamping devices (3) used for clamping workpieces (2) are mounted on the base (1), each clamping device (3) comprises a base (301), clamping strips (305) and an expansion rod (302), the bases (301) are fixedly connected with the base (1), the expansion rods (302) are connected to the bases (301), the expansion rods (302) are connected with the clamping strips (305) and used for driving the clamping strips (305) to be close to the bases (301) to clamp the workpieces (2), and the movement mode of the clamping strips (305) is one of lifting clamping or overturning clamping;

At least one upper clamping block (306) is detachably arranged on the clamping strip (305), a lower clamping block (307) corresponding to the upper clamping block (306) in position is arranged on the base (301), and one surface of the upper clamping block (306) opposite to the lower clamping block (307) is a horizontal plane, an inclined plane, a curved plane or a vertical plane;

A welding part fixing seat (3010) is installed on the base (301), and a welding guide seat is installed on the clamping strip (305).

2. A welding device according to claim 1, characterized in that: the telescopic rod (302) is one of a hydraulic rod, a pneumatic rod, an electric telescopic rod (302) and a screw lifting mechanism.

3. a welding device according to claim 2, characterized in that: the movement mode of the clamping strip (305) is overturning clamping.

4. A welding device according to claim 3, characterized in that: articulated on base (301) have one upset articulated seat (303), holding strip (305) are connected with upset articulated seat (303), the connected mode of telescopic link (302) and holding strip (305) is for articulated, telescopic link (302) middle part articulates on base (301).

5. a welding device according to claim 3, characterized in that: the holding strip (305) is hinged to the base (301), the telescopic rod (302) is hinged to the base (301), and the telescopic rod (302) is hinged to the holding strip (305).

6. A welding device according to any one of claims 3 to 5, wherein: at least one leaning seat (304) is installed on the base (301), and grooves which are located on the same plane with the rotating surface of the clamping strips (305) and matched with the shapes of the clamping strips (305) are formed in the leaning seat (304).

7. A welding device according to any one of claims 1 to 5, wherein: and a positioning rod (308) is arranged on the base (301).