CN210548958U

CN210548958U - Laser welding fixture with high welding precision

Info

Publication number: CN210548958U
Application number: CN201920784993.4U
Authority: CN
Inventors: 严小琳; 吴江
Original assignee: Jiangsu Fengxin Aviation Equipment Manufacturing Co ltd
Current assignee: Jiangsu Fengxin Aviation Equipment Manufacturing Co ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-05-19
Anticipated expiration: 2029-05-29

Abstract

The utility model discloses a laser welding fixture with high welding precision, which comprises a support frame and a brass plate, wherein a support plate is fixed at the top end of the brass plate, a second pressing block and a first pressing block which are distributed relatively are fixed at the top of the brass plate, and the second pressing block and the first pressing block are both inverted L-shaped structures; the problem that the distance between the second pressing block and the first pressing block is not adjustable in the prior art is solved through the designed adjusting movable mechanism, the distance between two adjacent pressing blocks is convenient to adjust according to the size of a workpiece, the adaptability is improved, and the working efficiency is improved; by arranging the guide mechanism at the joint of the brass plate and the support frame, the brass plate is more conveniently installed on the support frame under the adsorption force of the first magnet and the second magnet, and the installation efficiency is improved; the brass plate is made of brass, so that heat can be quickly conducted in the welding process, the welding fixture is prevented from being damaged by welding overheating, and the service life of the welding fixture is prolonged.

Description

Laser welding fixture with high welding precision

Technical Field

The utility model belongs to the technical field of the laser welding anchor clamps, concretely relates to laser welding anchor clamps that welding precision is high.

Background

The laser welding fixture is used for ensuring the size of a weldment, improving the assembly precision and efficiency and preventing welding deformation.

However, the existing laser welding clamp still has some unreasonable factors when in use, and the existing laser welding clamp has the following defects when in use:

1. the heat conduction is inconvenient during welding, and the load borne by the clamp is increased;

2. when the workpieces are welded, the sizes of different workpieces are different, and the adjustment of the distance between two adjacent pressing blocks according to the sizes of the workpieces is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a laser welding fixture with high welding precision, which solves the problem of inconvenient heat conduction during welding and increases the load borne by the fixture in the background technology; when the workpieces are welded, the sizes of different workpieces are different, and the problem of the distance between two adjacent pressing blocks cannot be adjusted conveniently according to the sizes of the workpieces is solved.

In order to achieve the above object, the utility model provides a following technical scheme: a laser welding fixture with high welding precision comprises a support frame and a brass plate, wherein a support plate is fixed at the top end of the brass plate, a second pressing block and a first pressing block which are distributed oppositely are fixed at the top of the brass plate, the second pressing block and the first pressing block are both of inverted L-shaped structures, the first pressing block is fixed at the end part of the support plate, an adjusting and moving mechanism is arranged at the joint of the second pressing block and the brass plate and comprises a fixing block, a third screw rod, a nut, a sliding block, inserting holes and a sliding rail, the sliding rail is arranged on the surface of the brass plate, a plurality of inserting holes which are distributed at intervals are arranged on the surface of the sliding rail, the sliding block which is matched with the sliding rail is fixed at the bottom of the second pressing block, the fixing block is fixed on the side surface of the second pressing block, a fixing hole is arranged on the surface of the fixing block, and the nut which, and one end of the third screw rod is vertically inserted into an inserting hole formed in the surface of the sliding rail.

Preferably, a third knob is fixed to the other end of the third screw rod.

Preferably, a second fastening mechanism is arranged on the second pressing block and comprises a second screw rod, a second pressing plate and a nut, a fixing hole is formed in the surface of the second pressing block, the nut screwed with the second screw rod is fixed in the fixing hole, the second pressing plate is fixed at the tail end of the second screw rod, and a second bearing is arranged at the joint of the second pressing plate and the second screw rod.

Preferably, a second knob is fixed at the head end of the second screw rod.

Preferably, a first fastening mechanism is arranged on the first pressing block, the first fastening mechanism comprises a first screw rod, a first pressing plate and a nut, a fixing hole is formed in the surface of the first pressing block, the nut screwed with the first screw rod is fixed in the fixing hole, the first pressing plate is fixed at the tail end of the first screw rod, and a first bearing is arranged at the joint of the first pressing plate and the first screw rod.

Preferably, a first knob is fixed at the head end of the first screw rod.

Preferably, the brass plate is mounted on the top of the support frame, a guide mechanism is arranged at the joint of the brass plate and the support frame, the guide mechanism comprises guide grooves and guide pillars, the guide grooves are symmetrically distributed on the top of the support frame, and the guide pillars matched with the guide grooves are fixed at the bottom of the brass plate.

Preferably, a second magnet is fixed to the inner bottom of the guide groove, and a first magnet attracted to the second magnet is fixed to the bottom of the guide post.

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

(1) the problem that the distance between the second pressing block and the first pressing block is not adjustable in the prior art is solved through the designed adjusting movable mechanism, the distance between two adjacent pressing blocks is convenient to adjust according to the size of a workpiece, the adaptability is improved, and the working efficiency is improved;

(2) by arranging the guide mechanism at the joint of the brass plate and the support frame, the brass plate is more conveniently installed on the support frame under the adsorption force of the first magnet and the second magnet, and the installation efficiency is improved; the brass plate is made of brass, so that heat can be quickly conducted in the welding process, the welding fixture is prevented from being damaged by welding overheating, and the service life of the welding fixture is prolonged.

Drawings

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

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic view of the guiding connection structure of the brass plate and the supporting frame of the present invention;

in the figure: 1. a support frame; 2. a brass plate; 3. a fixed block; 4. a third screw rod; 5. a third knob; 6. a second lead screw; 7. a second knob; 8. a second pressing block; 9. a first lead screw; 10. a first knob; 11. a first pressing block; 12. a support plate; 13. a first platen; 14. a first bearing; 15. a second platen; 16. a second bearing; 17. a nut; 18. a slider; 19. a jack; 20. a slide rail; 21. a first magnet; 22. a second magnet; 23. a guide groove; 24. and (6) a guide pillar.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: a laser welding fixture with high welding precision comprises a support frame 1 and a brass plate 2, wherein a support plate 12 is welded at the top end of the brass plate 2, a first pressing block 11 is limited by the support plate 12, a second pressing block 8 and the first pressing block 11 which are relatively distributed are fixed at the top of the brass plate 2, the second pressing block 8 and the first pressing block 11 are both of inverted L-shaped structures, the L-shaped structures are designed to facilitate placement of welded workpieces, the first pressing block 11 is fixed at the end part of the support plate 12, an adjusting movable mechanism is arranged at the joint of the second pressing block 8 and the brass plate 2, the adjusting movable mechanism comprises a fixed block 3, a third screw rod 4, a nut 17, a sliding block 18, an inserting hole 19 and a sliding rail 20, a sliding rail 20 is arranged on the surface of the brass plate 2, a plurality of inserting holes 19 which are distributed at intervals are arranged on the surface of the sliding rail 20, and a sliding block 18 which is matched with the, the fixed block 3 is fixed on the side surface of the second pressing block 8, the surface of the fixed block 3 is provided with a fixed hole, a nut 17 screwed with the third screw rod 4 is fixed in the fixed hole, one end of the third screw rod 4 is vertically inserted into an insertion hole 19 arranged on the surface of the slide rail 20, the other end of the third screw rod 4 is fixed with a third knob 5, when a workpiece is welded, the workpiece is placed on the brass plate 2 and is positioned below the first pressing block 11, according to the size of the workpiece, the slide block 18 of the second pressing block 8 slides along the slide rail 20 arranged on the surface of the brass plate 2, when the workpiece slides to a position convenient to weld, the third knob 5 is rotated, the third knob 5 pushes the third screw rod 4 downwards, so that the third screw rod 4 is inserted into the insertion hole 19 arranged on the surface of the slide rail 20, the second pressing block 8 is fixed, and the problem that the distance between the second pressing block 8 and the first pressing block 11 is not adjustable, the distance between two adjacent pressing blocks can be conveniently adjusted according to the size of the workpiece, the adaptability is improved, and the working efficiency is improved.

In this embodiment, preferably, the second pressing block 8 is provided with a second fastening mechanism, the second fastening mechanism includes a second screw rod 6, a second pressing plate 15 and a nut 17, a fixing hole is formed in the surface of the second pressing block 8, the nut 17 screwed with the second screw rod 6 is fixed in the fixing hole, the second pressing plate 15 is fixed at the tail end of the second screw rod 6, a second bearing 16 is arranged at the joint of the second pressing plate 15 and the second screw rod 6, and a second knob 7 is fixed at the head end of the second screw rod 6; a first fastening mechanism is arranged on the first pressing block 11, the first fastening mechanism comprises a first screw rod 9, a first pressing plate 13 and a nut 17, a fixing hole is formed in the surface of the first pressing block 11, the nut 17 screwed with the first screw rod 9 is fixed in the fixing hole, the first pressing plate 13 is fixed at the tail end of the first screw rod 9, a first bearing 14 is arranged at the joint of the first pressing plate 13 and the first screw rod 9, a first knob 10 is fixed at the head end of the first screw rod 9, when the welding device is used, a workpiece to be welded is placed on the brass plate 2 and is positioned between the second pressing block 8 and the first pressing block 11, the first knob 10 is rotated, the first screw rod 9 is pushed downwards by the first knob 10, and the first pressing plate 13 is driven by the first screw rod 9 to be pressed tightly on the workpiece to be welded; the second knob 7 is rotated, the second knob 7 pushes the second screw rod 6 downwards, the second screw rod 6 drives the second pressing plate 15 to compress a workpiece to be welded, and the workpiece is prevented from moving towards two sides in the welding process.

In this embodiment, preferably, the brass plate 2 is mounted on the top of the support frame 1, a guide mechanism is disposed at a joint of the brass plate 2 and the support frame 1, the guide mechanism includes a guide groove 23 and a guide post 24, the top of the support frame 1 is provided with the guide grooves 23 which are symmetrically distributed, the bottom of the brass plate 2 is fixed with the guide post 24 which is matched with the guide groove 23, the inner bottom of the guide groove 23 is fixed with the second magnet 22, and the bottom of the guide post 24 is fixed with the first magnet 21 which is adsorbed to the second magnet 22, when in use, the brass plate 2 is taken up, the guide post 24 at the bottom of the brass plate 2 is inserted into the guide groove 23 provided on the top of the support frame 1, under the adsorption force of the first magnet 21 and the second magnet 22, the brass plate 2 is mounted on the support frame 1 more conveniently, and; brass plate 2 adopts the brass material, can be at welding in-process quick heat conduction, avoids the overheated damage to welding jig of welding, prolongs welding jig's life.

The utility model discloses a theory of operation and use flow: the supporting frame 1 is fixed on a workbench, when the supporting frame is used, the brass plate 2 is taken up, the guide post 24 at the bottom of the brass plate 2 is inserted into the guide groove 23 formed in the top of the supporting frame 1, and the brass plate 2 is more conveniently installed on the supporting frame 1 under the adsorption force of the first magnet 21 and the second magnet 22;

when a workpiece is welded, the workpiece to be welded is placed on the brass plate 2, the sliding block 18 of the second pressing block 8 slides along the sliding rail 20 arranged on the surface of the brass plate 2 according to the size of the workpiece, when the workpiece slides to a position convenient for welding, the third knob 5 is rotated, the third knob 5 pushes the third screw rod 4 downwards, the third screw rod 4 is inserted into the insertion hole 19 arranged on the surface of the sliding rail 20, the second pressing block 8 is fixed, the workpiece is positioned between the second pressing block 8 and the first pressing block 11, the first knob 10 is rotated, the first screw rod 9 is pushed downwards by the first knob 10, and the first pressing plate 13 is driven by the first screw rod 9 to be pressed on the workpiece to be welded; the second knob 7 is rotated, the second knob 7 pushes the second screw rod 6 downwards, the second screw rod 6 drives the second pressing plate 15 to compress a workpiece to be welded, and the workpiece is prevented from moving towards two sides in the welding process.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a laser welding anchor clamps that welding precision is high, includes support frame (1) and brass board (2), the top of brass board (2) is fixed with backup pad (12), its characterized in that: the top of the brass plate (2) is fixed with a second pressing block (8) and a first pressing block (11) which are distributed oppositely, the second pressing block (8) and the first pressing block (11) are both of inverted L-shaped structures, the first pressing block (11) is fixed at the end part of the supporting plate (12), an adjusting movable mechanism is arranged at the joint of the second pressing block (8) and the brass plate (2), the adjusting movable mechanism comprises a fixed block (3), a third screw rod (4), a nut (17), a sliding block (18), an inserting hole (19) and a sliding rail (20), the surface of the brass plate (2) is provided with the sliding rail (20), the surface of the sliding rail (20) is provided with a plurality of inserting holes (19) which are distributed at intervals, the bottom of the second pressing block (8) is fixed with the sliding block (18) matched with the sliding rail (20), and the fixed block (3) is fixed on the side surface of the second pressing block (8), the surface of the fixed block (3) is provided with a fixed hole, a nut (17) screwed with the third screw rod (4) is fixed in the fixed hole, and one end of the third screw rod (4) is vertically inserted into an insertion hole (19) formed in the surface of the slide rail (20).

2. The laser welding jig with high welding precision according to claim 1, characterized in that: and a third knob (5) is fixed at the other end of the third screw rod (4).

3. The laser welding jig with high welding precision according to claim 1, characterized in that: the second pressing block (8) is provided with a second fastening mechanism, the second fastening mechanism comprises a second screw rod (6), a second pressing plate (15) and a nut (17), a fixing hole is formed in the surface of the second pressing block (8), the nut (17) screwed with the second screw rod (6) is fixed in the fixing hole, the second pressing plate (15) is fixed at the tail end of the second screw rod (6), and a second bearing (16) is arranged at the joint of the second pressing plate (15) and the second screw rod (6).

4. The laser welding jig with high welding precision according to claim 3, characterized in that: and a second knob (7) is fixed at the head end of the second screw rod (6).

5. A laser welding jig with high welding accuracy according to any one of claims 1 to 4, characterized in that: be provided with first fastening device on first briquetting (11), this first fastening device includes first lead screw (9), first clamp plate (13) and nut (17), the fixed orifices has been seted up on the surface of first briquetting (11), and this fixed orifices internal fixation has nut (17) of closing soon with first lead screw (9) screw thread, first clamp plate (13) are fixed in the tail end of first lead screw (9), and the junction of first clamp plate (13) and first lead screw (9) is provided with first bearing (14).

6. The laser welding jig with high welding precision according to claim 5, characterized in that: the head end of the first screw rod (9) is fixed with a first knob (10).

7. A laser welding jig with high welding accuracy according to any one of claims 1 to 4, characterized in that: the brass plate (2) is arranged at the top of the support frame (1), a guide mechanism is arranged at the joint of the brass plate (2) and the support frame (1), the guide mechanism comprises a guide groove (23) and a guide post (24), the guide groove (23) is symmetrically distributed at the top of the support frame (1), and the guide post (24) matched with the guide groove (23) is fixed at the bottom of the brass plate (2).

8. The laser welding jig with high welding precision according to claim 7, characterized in that: a second magnet (22) is fixed at the inner bottom of the guide groove (23), and a first magnet (21) attracted with the second magnet (22) is fixed at the bottom of the guide post (24).