CN218362672U

CN218362672U - Welding platform for friction stir welding of bottom plate of battery tray

Info

Publication number: CN218362672U
Application number: CN202222600154.7U
Authority: CN
Inventors: 严宏华; 夏庆龙
Original assignee: Jiangyin Huihao Metal Materials Co ltd
Current assignee: Jiangyin Huihao Metal Materials Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-01-24
Anticipated expiration: 2032-09-30

Abstract

The utility model relates to a battery tray bottom plate friction stir welding's welded platform, the mounting panel comprises a mounting panel, be equipped with the fixed dog of rear side, the fixed dog in right side, the clamp that pushes away before the front side and the clamp that pushes away in left side, the clamp that pushes away before the left side includes slide wedge cylinder, left side activity dog, slide wedge, fixed wedge seat, activity wedge seat and locking cylinder, the slide wedge setting between fixed wedge seat and the activity wedge seat is on the cylinder pole of slide wedge cylinder, the activity dog in left side is connected to the activity wedge seat, left side activity dog is equipped with the locking hole, the telescopic link of locking cylinder inserts the locking hole under the movable dog locking state in left side. The utility model can realize the rapid positioning in the left, right, front and back directions; a locking cylinder is arranged in the length direction of the thermal deformation, so that the left forward-pushing clamp is prevented from being stressed and rebounded due to thermal expansion during stirring and welding, and the welding precision is improved; the problems of misalignment and arching in the welding process can be effectively prevented, and the welding quality is ensured.

Description

Welding platform for friction stir welding of bottom plate of battery tray

Technical Field

The utility model relates to a new forms of energy battery accessory technical field, concretely relates to battery tray bottom plate friction stir welding's welded platform.

Background

As shown in fig. 6, the bottom plate of the battery tray is welded by a plurality of aluminum extruded bottom plate profiles through friction stir welding to ensure the tightness of the welding seam. When friction stir welding is adopted, each aluminum extrusion bottom plate is not convenient to fix, so that a corresponding tool clamp needs to be designed to fix the aluminum extrusion bottom plate, the welding deformation of a workpiece is prevented, and the welding effect is ensured.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects and provide a welding platform for friction stir welding of a bottom plate of a battery tray, which has good clamping and fixing effects and can realize quick positioning in the left-right and front-back directions; a locking cylinder is arranged in the length direction of the thermal deformation, so that the left forward-pushing clamp is prevented from being stressed and rebounded due to thermal expansion during stirring and welding, and the welding precision is improved; the problems of misalignment and arching in the welding process can be effectively prevented, and the welding quality is ensured.

The purpose of the utility model is realized like this:

the utility model provides a welded platform of battery tray bottom plate friction stir welding, includes the mounting panel, be equipped with the fixed dog of rear side, the fixed dog in right side, the preceding clamp of pushing away of front side and the preceding clamp of pushing away in left side that is used for the four sides of work piece spacing on the mounting panel, the preceding clamp of pushing away in left side is equipped with a plurality ofly, and interval distribution is on the left side limit of mounting panel, the preceding clamp of pushing away in left side includes slide wedge cylinder, left side activity dog, slide wedge, fixed wedge seat, activity wedge seat and locking cylinder, the slide wedge setting between fixed wedge seat and the activity wedge seat is on the cylinder pole of slide wedge cylinder, activity wedge seat connects left side activity dog, left side activity dog is equipped with the locking hole, the telescopic link of locking cylinder inserts the locking hole under left side activity dog locking state.

Preferably, a downward pressing clamping mechanism is arranged above the mounting plate and comprises a supporting beam, a downward pressing cylinder and a pressing plate, a plurality of supporting beams are arranged at intervals along the length direction of the mounting plate and fixed above the mounting plate, a plurality of downward pressing cylinders are arranged on each supporting beam at intervals and fixed on the supporting beams, and cylinder rods of the downward pressing cylinders are connected with the pressing plate.

Preferably, the two sides of the mounting plate in the width direction are symmetrically provided with clamping clamps, and a supporting beam is arranged between two adjacent clamping clamps on the same side.

Preferably, the workpieces are arranged in a staggered mode through a T-shaped bottom plate and a flat bottom plate, the flat bottom plate is pressed by the pressing cylinder, the two ends of the T-shaped bottom plate are pressed by the clamping clamps, and the left side and the right side of a welding line between the T-shaped bottom plate and the flat bottom plate are respectively pressed by the pressing plate and the clamping clamps.

The utility model has the advantages that:

the workpiece is limited in the front-back direction under the combined action of a rear fixed stop block and a front pushing clamp, and the workpiece is limited in the left-right direction under the combined action of a right fixed stop block and a left front pushing clamp;

the locking hole is formed in the left movable stop block, when the left movable stop block is pushed forward to push against the left side edge of the workpiece along with the descending of the inclined wedge block, the telescopic rod of the locking cylinder extends upwards and is inserted into the locking hole to lock the left movable stop block, so that the left forward push clamp is prevented from being stressed and rebounded due to thermal expansion during stirring welding, and the welding precision is improved;

the two sides of each friction welding seam are clamped and fixed through the clamping clamp and the pressing plate, the problems of misalignment and arching in the welding process are prevented, and the welding quality is guaranteed.

Drawings

Fig. 1 is a schematic structural diagram of the present invention (without placing a workpiece).

Fig. 2 is a schematic structural diagram (locked state after placing a workpiece) of the present invention.

Fig. 3 is a rear view of fig. 1.

Fig. 4 is a schematic view showing an opened state of the left-hand side push-forward clamp.

Fig. 5 is a schematic view of the locked state of the left-hand front push clamp.

Fig. 6 is a schematic view of the welded structure of the workpieces.

Wherein: a mounting plate 1; a rear side fixed stop block 2; a right fixed stop 3; a clamping jaw 4; the front side pushes the clamp 5 forwards; the left side pushes the clamp 6 forwards; a wedge cylinder 6.1; a left movable stop 6.2; locking holes 6.2.1; a wedge block 6.3; a mounting seat 6.4; a fixed wedge seat 6.5; a movable wedge seat 6.6; a spring 6.7; a locking cylinder 6.8; pressing down the clamping mechanism 7; a support beam 7.1; a pressing cylinder 7.2; a pressing plate 7.3; a workpiece 8; a T-shaped bottom plate 8.1; a flat bottom plate 8.2.

Detailed Description

Referring to fig. 1-6, the utility model relates to a battery tray bottom plate friction stir welding's welded platform, including mounting panel 1, be equipped with fixed dog 2 of rear side, the fixed dog 3 in right side, centre gripping clamp 4, the front side is preceding to be pushed away clamp 5, the left side is preceding to be pushed away clamp 6 and is pushed down fixture 7, it includes a supporting beam 7.1, pushes down cylinder 7.2 and clamp plate 7.3 to push down fixture 7, is equipped with a plurality of supporting beams 7.1 along the length direction interval of mounting panel 1, a supporting beam 7.1 is fixed in the top of mounting panel 1, and every supporting beam 7.1 goes up the interval and is equipped with a plurality of cylinders 7.2 that push down, push down cylinder 7.2 is fixed on a supporting beam 7.1, push down cylinder 7.2's cylinder pole connecting pressure board 7.3.

The centre gripping clamp 4 symmetry sets up in the width direction's of mounting panel 1 both sides, and the homonymy is that two adjacent centre gripping clamps 4 arrange a supporting beam 7.1 between, the left side pushes away clamp 6 setting before the right side of right side fixed stop 3, the front side pushes away clamp 5 setting before the back side fixed stop 2 opposite.

As shown in fig. 1, the workpiece 8 is arranged by the T-shaped bottom plate 8.1 and the flat bottom plate 8.2 in a staggered manner, the pressing cylinder 7.2 presses the flat bottom plate 8.2, and the clamping clamp 4 presses two ends of the T-shaped bottom plate 8.1, so that two sides of a weld joint between the T-shaped bottom plate 8.1 and the flat bottom plate 8.2 are pressed tightly, the welding quality is ensured, and the misalignment and arching in the welding process are prevented.

The left front push clamp 6 is provided with a plurality of left front push clamps which are distributed on the left side of the mounting plate 1 at intervals, each left front push clamp 6 comprises a wedge cylinder 6.1, a left movable stop 6.2, a wedge block 6.3, a mounting seat 6.4, a fixed wedge seat 6.5, a movable wedge seat 6.6, a spring 6.7 and a locking cylinder 6.8, the fixed wedge seat 6.5 is fixed on the mounting seat 6.4, the mounting seat 6.5 is fixed on the mounting plate 1, the movable wedge seat 6.6 is arranged in a sliding groove of the mounting seat 6.4 in a sliding way, the fixed wedge seat 6.5 is connected with the movable wedge seat 6.6 through the spring 6.7, the wedge block 6.3 is arranged between the fixed wedge seat 6.5 and the movable wedge seat 6.6, the wedge block 6.3 is arranged on a cylinder rod of the wedge cylinder 6.1, the two sides of the wedge block 6.3 are respectively in wedge-shaped fit with the fixed wedge seat 6.5 and the movable wedge seat 6.6, an avoidance notch is formed in the wedge block 6.3 corresponding to the spring 6.7, the movable wedge seat 6.6 is connected with the left movable stop 6.2, the left movable stop 6.2 is provided with a locking hole 6.2.1, the locking cylinder 6.8 is fixed below the mounting plate 1, and a telescopic rod of the locking cylinder 6.8 is inserted into the locking hole 6.2.1 in a locking state of the left movable stop 6.2 (namely the wedge block moves downwards to drive the movable wedge seat to move rightwards, the length direction of a workpiece is limited and clamped), so that the up-and-down movement is converted into horizontal movement through the wedge fit, the space is reasonably utilized, and the welding platform is compact in structure.

The front side pushes away clamp 5 before being equipped with a plurality ofly, and interval distribution is in the front side of mounting panel, and the front side pushes away clamp 5 before pushing away and impels, and preceding ejector pad supports the preceding side of work piece, and the front side pushes away clamp and rear side fixed stop piece before spacing with the work piece fore-and-aft direction.

The working principle is as follows:

inserting a T-shaped bottom plate 8.1 and a flat bottom plate 8.2 of a workpiece 8 from the front side and the rear side of the mounting plate and placing the T-shaped bottom plate and the flat bottom plate on the mounting plate 1, positioning the long side and the short side through a rear side fixed stop block 2 and a right side fixed stop block 3, pushing a front side front push clamp 5 backwards after all the bottom plates are completely mounted, pushing a left side front push clamp 6 rightwards, and positioning the workpiece 8 in the front-rear direction and the left-right direction; the pressing and clamping mechanism 7 moves downwards to press the flat bottom plate 8.2, the clamping clamps 4 on the front side and the rear side clamp the T-shaped bottom plate 8.1, and misalignment and arching of the bottom plates of the workpiece are prevented in the production process. T style of calligraphy bottom plate 8.1 and flat bottom plate 8.2 of assembling along 1 length direction dislocation of mounting panel can produce the heat and make length direction produce thermal expansion deformation when friction weld, the strength that the thermal expansion produced can make the slide wedge cylinder 6.1 atress of left side forward push clamp 6 kick-back, 1-3 mm's deviation volume appears in the product overall length, in order to prevent slide wedge cylinder 6.1 atress kick-back, set up locking hole 6.2.1 on left side activity dog 6.2, when left side activity dog 6.2 pushes up the left side of propping up the work piece along with slide wedge 6.3 is preceding, locking cylinder 6.8's telescopic link upwards stretches out and inserts locking hole 6.2.1 locking left side activity dog 6.2, thereby thermal expansion leads to left side forward push clamp 6 atress to kick-back when preventing the stir welding.

In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.

Claims

1. The utility model provides a welding platform that battery tray bottom plate friction stir welding, its characterized in that: the clamping device comprises a mounting plate (1), wherein a rear side fixed stop block (2), a right side fixed stop block (3), a front side forward pushing clamp (5) and a left side forward pushing clamp (6) which are used for limiting four sides of a workpiece (8) are arranged on the mounting plate (1), the left side forward pushing clamp (6) is provided with a plurality of clamps, the clamps are distributed on the left side of the mounting plate (1) at intervals, the left side forward pushing clamp (6) comprises a wedge cylinder (6.1), a left side movable stop block (6.2), a wedge block (6.3), a fixed wedge seat (6.5), a movable wedge seat (6.6) and a locking cylinder (6.8), the wedge block (6.3) between the fixed wedge seat (6.5) and the movable wedge seat (6.6) is arranged on a cylinder rod of the wedge cylinder (6.1), the movable wedge seat (6.6) is connected with the left side movable stop block (6.2), a locking hole (6.2) is formed in the left side movable stop block (6.8) and a telescopic rod is inserted into the locking hole (2.1).

2. The welding platform for friction stir welding of the bottom plate of the battery tray according to claim 1, wherein: the mounting panel (1) top is equipped with pushes down fixture (7), push down fixture (7) including a supporting beam (7.1), push down cylinder (7.2) and clamp plate (7.3), is equipped with a plurality of supporting beams (7.1) along the length direction interval of mounting panel (1), a supporting beam (7.1) is fixed in the top of mounting panel (1), and the interval is equipped with a plurality of push down cylinders (7.2) on every supporting beam (7.1), push down cylinder (7.2) are fixed on a supporting beam (7.1), push down cylinder's (7.2) cylinder pole connection clamp plate (7.3).

3. The welding platform for friction stir welding of the bottom plate of the battery tray according to claim 2, wherein: the width direction's of mounting panel (1) bilateral symmetry is equipped with centre gripping clamp (4), and the homonymy is that a supporting beam (7.1) is arranged between two adjacent centre gripping clamp (4).

4. The welding platform for friction stir welding of the bottom plate of the battery tray according to claim 3, wherein: the workpiece (8) is arranged in a staggered mode through a T-shaped bottom plate (8.1) and a flat bottom plate (8.2), a pressing cylinder (7.2) presses a flat bottom plate (8.2), a clamping clamp (4) presses two ends of the T-shaped bottom plate (8.1), and a pressing plate and the clamping clamp respectively press the left side and the right side of a welding line between the T-shaped bottom plate (8.1) and the flat bottom plate (8.2).