CN217942189U

CN217942189U - Shock absorber part laser welding device

Info

Publication number: CN217942189U
Application number: CN202222157360.5U
Authority: CN
Inventors: 李龙; 张欣
Original assignee: Zhejiang Happy Tree Damper Co ltd
Current assignee: Zhejiang Happy Tree Damper Co ltd
Priority date: 2022-08-16
Filing date: 2022-08-16
Publication date: 2022-12-02
Anticipated expiration: 2032-08-16

Abstract

The utility model provides a shock absorber part laser welding device, including the processing platform, install and drive rotatory rotary work chuck and install the laser generator on the processing platform through driving motor on the processing platform, the parallel slide rail that is located rotary work chuck right side is installed to the processing platform upper end, rotary work chuck right side central point puts the adjustable center frame that accompanies and be used for placing rings, rotary work chuck right side is equipped with the centering pressure head of sliding connection in parallel slide rail upper end, centering pressure head upper end left side is rotated and is connected with the pressure head that supports with rings bottom roof pressure in the rings outside, design pressure head right side fixedly connected with is used for promoting the die clamping cylinder of centering pressure head removal on parallel slide rail, rings set up in adjustable center frame, rings bottom passes through the centering pressure head extrusion to be fixed in the rings outside.

Description

Shock absorber part laser welding device

Technical Field

The utility model relates to a shock absorber processing equipment field especially relates to a shock absorber part laser welding device.

Background

The current main technology for welding automobile parts is carbon dioxide arc welding. Because the carbon dioxide arc welding adopts the high-temperature welding of electric arcs, the welding method is widely applied to the welding of various large steel structure projects of low-carbon steel and low-alloy steel, has high welding productivity, good crack resistance, small welding deformation and large adaptive deformation range, and can be used for welding thin plates and medium-thickness plates;

the existing shock absorber hanging ring and bottom cover need to be welded before assembly, the structures of the hanging ring 6 and the hanging ring bottom cover 15 are shown in fig. 7, the existing welding process is manually welded through carbon dioxide arc welding, and the following problems exist in the manual carbon dioxide arc welding at present: during manual welding, the hoisting ring and the bottom cover are not accurately positioned, the dimensional precision of a welded finished product is not high, manual operation is troublesome, and the machining efficiency is low; particularly for parts with reduced conductivity caused by surface treatment, the carbon dioxide arc welding has the problem that the conductivity needs to be adjusted, otherwise, welding defects occur, and the laser welding has high positioning requirements and has the problems of complex mechanism and high cost.

Disclosure of Invention

The utility model discloses solve the problem that above-mentioned prior art exists, provide a shock absorber part laser welding device, the positioning accuracy through the device welded rings and bottom is high, and then makes the off-the-shelf size precision after processing is accomplished high, and processingquality is good, and machining efficiency improves greatly, reduces the device complexity simultaneously, makes its structure as simple as possible.

The utility model provides a technical scheme that its technical problem adopted: the laser welding device for the shock absorber parts comprises a processing platform, a rotary working chuck and a laser generator, wherein the rotary working chuck is installed on the processing platform and driven to rotate by a driving motor, the laser generator is installed on the processing platform, a parallel slide rail is installed at the upper end of the processing platform and located on the right side of the rotary working chuck, an adjustable center frame for placing a hanging ring is installed at the right center position of the rotary working chuck, a centering pressure head is arranged at the right side of the rotary working chuck and slidably connected to the upper end of the parallel slide rail, a pressing head for pressing a hanging ring bottom cover to the outer side of the hanging ring is rotatably connected to the left side of the upper end of the centering pressure head, a clamping cylinder for pushing the centering pressure head to move on the parallel slide rail is fixedly connected to the right side of the shaping pressure head, the hanging ring is arranged in the adjustable center frame, the hanging ring is fixed to the outer side of the hanging ring through the centering pressure head in an extruding mode, during welding, the bottom cover is driven by the driving motor, the adjustable center frame, the hanging ring is arranged on the adjustable center frame, the hanging ring clamped by the centering pressure head and the hanging ring and the pressing head for clamping, the bottom cover is rotated by the laser generator in a rotating process, the fixing device is firm in a welding process, so that the welding precision of the welding finished products is high, the welding precision is improved, the welding speed is greatly improved, and the welding efficiency of the welding speed of the welding is greatly, and the welding is improved.

In order to further perfect, adjustable centre frame includes the centre gripping at the inboard connecting portion of rotatory work chuck, and the connecting portion right side is equipped with spacing portion, and the inboard central point of spacing portion puts and opens there is the arc constant head tank, and spacing portion lower extreme passes through screw fixedly connected with backup pad.

Further perfect, arc positioning groove central point puts and opens there is the counter sink, the counter sink inboard is equipped with set screw, set screw passes counter sink and connecting portion threaded connection in the left side, spacing portion passes through screw fixed connection in the connecting portion outside, the backup pad passes through screw fixed connection at spacing portion lower extreme, can control the distance H between the center pin of backup pad and connecting portion through the spacing portion of changing different thickness when the central height of rings is not as high as the center pin of connecting portion, and then adjust the central height of rings, make the central height of rings and the center pin of connecting portion be in same straight line, and then guarantee the welding precision of rings and rings bottom, guarantee the off-the-shelf processingquality of welding.

Further perfect, die clamping cylinder includes the mount pad of fixed mounting in the processing platform upper end, mount pad upper end inboard is opened there is the through-hole that corresponds with centering pressure head middle-end position, the through-hole right side is equipped with the telescopic cylinder of fixed connection on the mount pad right side, processing platform upper end central point puts and opens there is the sliding tray, the inboard sliding connection of sliding tray has the locating plate, both ends inboard is opened around the locating plate has the fix with screw hole, processing platform upper end is opened has the locking hole that corresponds the setting with the fix with screw hole, be equipped with the sliding tray, guarantee die clamping cylinder's location installation accuracy.

Further perfect, the left piston end fixedly connected with universal joint of die clamping cylinder, universal joint's the other end and centering pressure head right side plane fixed connection, die clamping cylinder and centering pressure head pass through universal joint and connect for die clamping cylinder can press the rings bottom cover on with centering pressure head through universal joint and fix in the rings outside, and universal joint can have certain floating radially, and then eliminate die clamping cylinder's installation error.

Further perfect, the centering pressure head includes that lower extreme sliding connection is on parallel slide rail sliding base, supports the pressure head and rotates to be connected sliding base upper end left side supports the pressure head left side and is equipped with the bellying that inserts rings bottom inboard circular hole, is equipped with the bellying for rings bottom's location is more accurate, also further avoids rings bottom and rings dislocation when extrudeing each other simultaneously, and then guarantees that rings and rings bottom's welding position are accurate.

The utility model discloses profitable effect is: the utility model has the advantages of reasonable design, drive swivel work chuck, adjustable centre frame, set up rings on the adjustable centre frame, press from both sides tight rings bottom and be used for pressing from both sides tight the pressure head to rotate through centering pressure head and rings, weld the welding position through laser generator in the rotation process, this device is fixed firm at each part in welding process, make welding finished product welding precision high, and through the automatic welding of laser, welding speed has been accelerated greatly, machining efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the construction of an adjustable steady rest;

FIG. 3 is a schematic view of the installation of the clamping cylinder;

fig. 4 is a top view of the present invention;

FIG. 5 is a right side view of the adjustable steady rest;

FIG. 6 is a schematic view of the centering ram;

fig. 7 is a structural schematic diagram of the lifting ring and the lifting ring bottom cover.

Description of reference numerals: 1. the machining device comprises a machining platform, 2, a driving motor, 3, a rotary working chuck, 4, a laser generator, 5, parallel sliding rails, 6, a lifting ring, 7, an adjustable center frame, 7-1, a connecting portion, 7-2, a limiting portion, 7-3, an arc-shaped positioning groove, 7-4, a supporting plate, 7-5, a counter bore, 8, a centering pressure head, 8-1, a sliding base, 8-2, a pressure resisting head, 8-3, a protruding portion, 9, a clamping cylinder, 9-1, a mounting seat, 9-2, a through hole, 9-3, a telescopic cylinder, 10, a sliding groove, 11, a positioning plate, 12, a screw fixing hole, 13, a locking hole, 14, a universal coupling, 15 and a lifting ring bottom cover.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

with reference to the accompanying drawings: the embodiment of the invention relates to a laser welding device for shock absorber parts, which comprises a processing platform 1, a rotary working chuck 3 which is arranged on the processing platform 1 and driven to rotate by a driving motor 2, and a laser generator 4 arranged on the processing platform 1, wherein the upper end of the processing platform 1 is provided with a parallel slide rail 5 which is positioned at the right side of the rotary working chuck 3, the right side center position of the rotary working chuck 3 is provided with an adjustable center frame 7 for placing a hanging ring 6, the right side of the rotary working chuck 3 is provided with a centering pressure head 8 which is connected with the upper end of the parallel slide rail 5 in a sliding way, the left side of the upper end of the centering pressure head 8 is rotatably connected with a pressing head 8-2 which presses a hanging ring bottom cover 15 to the outer side of the hanging ring 6, the right side of the centering pressure head 8 is fixedly connected with a clamping cylinder 9 for pushing the centering pressure head 8 to move on the parallel slide rail 5, the lifting ring 6 is arranged in the adjustable center frame 7, the lifting ring bottom cover 15 is fixed on the outer side of the lifting ring 6 through the extrusion of the centering pressure head 8, during welding, the rotary working chuck 3 is driven through the driving motor 2, the adjustable center frame 7 is arranged, the lifting ring 6 on the adjustable center frame 7 is arranged, the lifting ring bottom cover 15 clamped with the lifting ring 6 through the centering pressure head 8 and the pressing head 8-2 used for clamping rotate, and the welding position is welded through the laser generator 4 in the rotating process.

As shown in FIG. 2, the adjustable center frame 7 comprises a connecting portion 7-1 clamped on the inner side of the rotary working chuck 3, a limiting portion 7-2 is arranged on the right side of the connecting portion 7-1, an arc-shaped positioning groove 7-3 is formed in the center of the inner side of the limiting portion 7-2, a supporting plate 7-4 is fixedly connected to the lower end of the limiting portion 7-2 through a screw, a counter bore 7-5 is formed in the center of the arc-shaped positioning groove 7-3, a fixing screw is arranged on the inner side of the counter bore 7-5, the left side of the fixing screw penetrates through the counter bore 7-5 to be in threaded connection with the connecting portion 7-1, the limiting portion 7-2 is fixedly connected to the outer side of the connecting portion 7-1 through a screw, the supporting plate 7-4 is fixedly connected to the lower end of the limiting portion 7-2 through a screw, when the center height of the lifting ring is not equal to the center axis of the connecting portion 7-1, the distance H between the supporting plate 7-4 and the center axis of the connecting portion 7-1 can be controlled by replacing the limiting portion 7-2 with different thicknesses, the center height of the lifting ring 6 is adjusted, the center height of the lifting ring 6 and the center axis of the lifting ring is aligned with the center axis of the connecting portion 7-1, so as to ensure the welding precision of the finished product.

As shown in fig. 3, the clamping cylinder 9 comprises a mounting seat 9-1 fixedly mounted at the upper end of the processing platform 1, a through hole 9-2 corresponding to the middle end of the centering pressure head 8 is formed in the inner side of the upper end of the mounting seat 9-1, a telescopic cylinder 9-3 fixedly connected to the right side of the mounting seat 9-1 is arranged on the right side of the through hole 9-2, a sliding groove 10 is formed in the center position of the upper end of the processing platform 1, a positioning plate 11 is slidably connected to the inner side of the sliding groove 10, screw fixing holes 12 are formed in the inner sides of the front end and the rear end of the positioning plate 11, and a locking hole 13 corresponding to the screw fixing hole 12 is formed in the upper end of the processing platform 1 and provided with the sliding groove 10, so that the clamping cylinder 9 can be accurately positioned and mounted.

As shown in fig. 4, one end of a universal coupling 14 is fixedly connected to the piston end on the left side of the clamping cylinder 9, the other end of the universal coupling 14 is fixedly connected to the right side plane of the centering pressing head 8, and the clamping cylinder 9 and the centering pressing head 8 are connected through the universal coupling 14, so that the clamping cylinder 9 can press and fix a lifting ring bottom cover 15 on the centering pressing head 8 outside the lifting ring 6 through the universal coupling 14, and the universal coupling 14 can float in the radial direction to some extent, thereby eliminating the installation error of the clamping cylinder 9.

As shown in fig. 6, the centering ram 8 comprises a sliding base 8-1 with the lower end slidably connected to the parallel slide rails 5, the pressing ram 8-2 is rotatably connected to the left side of the upper end of the sliding base 8-1, and the left side of the pressing ram 8-2 is provided with a protruding portion 8-3 inserted into a circular hole in the inner side of the lifting ring bottom cover 15, and the protruding portion 8-3 is arranged, so that the positioning of the lifting ring bottom cover 15 is more accurate, and meanwhile, the lifting ring bottom cover 15 and the lifting ring 6 are further prevented from being misplaced when being pressed against each other, and the accurate welding positioning of the lifting ring 6 and the lifting ring bottom cover 15 is further ensured.

The utility model provides a welding set mainly carries out welded fastening to rings 6 and rings bottom 15 that figure 7 shows, the utility model discloses when using, select corresponding spacing portion 7-2 according to the size of a dimension of processing rings 6, place rings 6 in backup pad 7-4 upper end, make rings 6's central height and the high coincidence of connecting portion 7-1's center pin, overlap rings bottom 15 in the bellying 8-3 outside again, start telescopic cylinder 9-3, telescopic cylinder 9-3's piston end promotes universal joint 14 and centering pressure head 8 left, and then press rings bottom 15 in the bellying 8-3 outside in rings 6 outside, start driving motor 2 and laser generator 4 simultaneously at last, weld rings 6 and rings bottom 15's hookup location through laser generator 4, and drive rings 6 and rings bottom 15 through rotatory work chuck 3 and rotate, and then accomplish the position to rings 6 and rings position and carry out welding operation.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims

1. The utility model provides a shock absorber part laser welding device, includes processing platform (1), installs and drives rotatory rotary work chuck (3) and install laser generator (4) on processing platform (1) through driving motor (2) on processing platform (1), characterized by: parallel slide rail (5) that are located swivel work chuck (3) right side are installed to processing platform (1) upper end, and swivel work chuck (3) right side central point puts the dress and accompanies adjustable centre frame (7) that are used for placing rings (6), swivel work chuck (3) right side is equipped with centering pressure head (8) of sliding connection in parallel slide rail (5) upper end, and centering pressure head (8) upper end left side is rotated and is connected with support pressure head (8-2) with rings bottom (15) roof pressure in rings (6) outside, centering pressure head (8) right side fixedly connected with is used for promoting clamping cylinder (9) that centering pressure head (8) moved on parallel slide rail (5).

2. The laser welding apparatus for shock absorber parts according to claim 1, wherein: the adjustable center frame (7) comprises a connecting portion (7-1) clamped on the inner side of the rotary working chuck (3), a limiting portion (7-2) is arranged on the right side of the connecting portion (7-1), an arc-shaped positioning groove (7-3) is formed in the center of the inner side of the limiting portion (7-2), and a supporting plate (7-4) is fixedly connected to the lower end of the limiting portion (7-2) through a screw.

3. The laser welding apparatus for shock absorber parts according to claim 2, wherein: a counter bore (7-5) is formed in the center of the arc-shaped positioning groove (7-3), a fixing screw is arranged on the inner side of the counter bore (7-5), and the left side of the fixing screw penetrates through the counter bore (7-5) to be in threaded connection with the connecting portion (7-1).

4. The laser welding apparatus for shock absorber parts according to claim 1, wherein: the clamping cylinder (9) comprises a mounting seat (9-1) fixedly mounted at the upper end of the processing platform (1), a through hole (9-2) corresponding to the middle end position of the centering pressure head (8) is formed in the inner side of the upper end of the mounting seat (9-1), and a telescopic cylinder (9-3) fixedly connected to the right side of the mounting seat (9-1) is arranged on the right side of the through hole (9-2).

5. The laser welding apparatus for shock absorber parts according to claim 4, wherein: processing platform (1) upper end central point puts and opens there is sliding tray (10), sliding tray (10) inboard sliding connection have locating plate (11), and both ends inboard is opened around locating plate (11) has fix with screw hole (12), processing platform (1) upper end open have with fix with screw hole (12) correspond locking hole (13) that set up.

6. The shock absorber component laser welding apparatus as set forth in claim 1, wherein: the piston end at the left side of the clamping cylinder (9) is fixedly connected with one end of a universal coupling (14), and the other end of the universal coupling (14) is fixedly connected with the right plane of the centering pressure head (8).

7. The laser welding apparatus for shock absorber parts according to claim 2, wherein: the centering pressure head (8) comprises a sliding base (8-1) with the lower end connected to the parallel sliding rails (5) in a sliding mode, the pressure resisting head (8-2) is connected to the left side of the upper end of the sliding base (8-1) in a rotating mode, and a protruding portion (8-3) inserted into a circular hole in the inner side of the lifting ring bottom cover (15) is arranged on the left side of the pressure resisting head (8-2).