CN214322168U

CN214322168U - Be applied to friction stir welding device of digit control machine tool

Info

Publication number: CN214322168U
Application number: CN202022403533.8U
Authority: CN
Inventors: 徐昇升; 朱奇滨
Original assignee: Changsong Intelligent Technology Shanghai Co ltd
Current assignee: Changsong Intelligent Technology Shanghai Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-10-01
Anticipated expiration: 2030-10-26

Abstract

The utility model relates to a welding set discloses a be applied to friction stir welding device of digit control machine tool, the on-line screen storage device comprises a base, base left side fixedly connected with left splint, the base right side is provided with right splint, surface four corners fixedly connected with dead lever under the right splint, dead lever sliding connection is on the base, right splint intermediate position fixedly connected with lead screw A, the last worm wheel that is provided with of lead screw A, worm wheel central point puts and is provided with the internal thread and carries out bolted connection with lead screw A, worm wheel one side is provided with the worm, the worm passes through the fixed block to be connected on the base, left splint all are provided with movable fixture with right splint front end, the rear end all is provided with mounting fixture, base trailing end connection has the support column, the support column top is connected with the knife rest, be connected with the welding tool bit under the knife rest. The utility model discloses a welding to the sheet metal of different thickness sizes is realized to setting up of lead screw A, has realized the welding to the sheet metal of different size and dimension through setting up to movable fixture, has strengthened the suitability of device.

Description

Be applied to friction stir welding device of digit control machine tool

Technical Field

The utility model relates to a welding set specifically is a friction stir welding device who is applied to digit control machine tool.

Background

Compared with the traditional welding, the friction welding has the characteristics of high efficiency, low energy consumption, small deformation, no pollution and the like, and is widely concerned. However, some high-melting point materials have higher strength and hardness, so that the requirements on the performance of the stirring head are higher, and meanwhile, the problems of residual stress, hole defects and poor weldability still exist in a welding joint. In the friction stir welding process, the heat required for heating the metal mainly comes from the friction between the shaft shoulder of the stirring head and the upper surface of the weldment, and the single heating method is difficult to reach the temperature required for plastic deformation of the high-melting-point metal, so that the requirements on a machine tool are relatively high. Among the conventional friction stir welding apparatuses, a small-sized friction stir welding apparatus has a disadvantage that it can weld only a single-shaped or a prescribed-shaped weldment, and it is difficult for the conventional small-sized friction stir welding apparatus to satisfy the requirement of welding different shapes while welding a weld bead having excellent performance.

Chinese patent (publication number: CN108555434A) discloses a friction stir welding device applied to a numerical control machine tool, belonging to the technical field of metal welding. The positioning module is arranged on the clamping module and plays a role in positioning and clamping together with the clamping module; the welding working module is arranged on a main shaft of the numerical control machine tool to realize rotation and linear motion, and the driving module drives the clamping module to move; the direct current loading module is positioned on the welding working module, and the magnetic field loading module is arranged in the welding working module and the clamping module, so that welding of a weldment is finally realized. However, the device has a centralized structure, the fixture is fixed, and the irregular workpiece cannot be clamped, so that the processing cannot be carried out.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be applied to friction stir welding device of digit control machine tool to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a be applied to friction stir welding device of digit control machine tool, the on-line screen storage device comprises a base, base left side fixedly connected with left splint, the base right side is provided with right splint, right splint lower surface four corners fixedly connected with dead lever, dead lever sliding connection on the base, right splint intermediate position fixedly connected with lead screw A is provided with the worm wheel on the lead screw A, and worm wheel central point puts and is provided with the internal thread and carries out bolted connection with lead screw A, and worm wheel one side is provided with the worm, worm and worm wheel intermeshing, the worm passes through the fixed block to be connected on the base, left side splint are provided with movable fixture with right splint front end, and the rear end is provided with mounting fixture, and the base trailing end connection has the support column, and the support column top is connected with the knife rest, is connected with the welding tool bit under the knife rest.

As a further aspect of the present invention: and a plurality of sliding grooves are respectively arranged on the left clamping plate and the right clamping plate in a staggered manner.

As a further aspect of the present invention: the fixed clamp is fixedly connected to the tail ends of the left clamping plate and the right clamping plate, and the movable clamp is movably connected into the sliding groove through a nut B and a bolt B.

As a further aspect of the present invention: the movable clamp is provided with a clamping block at the buckling position with the fixed clamp, the clamping block is rotatably connected with a bolt A, the movable clamp is connected with a nut A at the front end of the fixed clamp, and the nut A is in bolt connection with the bolt A.

As a further aspect of the present invention: the front end of the worm is connected with a handle.

As a further aspect of the present invention: the bottom end of the lead screw A is connected with a positioning block.

Compared with the prior art, the beneficial effects of the utility model are that: the device realizes the lifting of the right clamping plate through the arrangement of the screw A, thereby realizing the welding of thin plates with different thicknesses, realizing the welding of the thin plates with different sizes through the arrangement of the movable clamp, and enhancing the applicability of the device.

Drawings

Fig. 1 is a front view of the friction stir welding device applied to the numerical control machine tool of the present invention.

Fig. 2 is in the utility model discloses in a be applied to the friction stir welding device's of digit control machine tool plan view.

Fig. 3 is a bottom view of the friction stir welding device applied to the numerical control machine tool of the present invention.

In the figure: the welding fixture comprises a base 1, a left clamping plate 2, a right clamping plate 3, a fixing rod 4, a lead screw 5, a worm wheel 6, a positioning block 7, a fixing block 8, a worm 9, a handle 10, a support column 11, a tool rest 12, a welding tool bit 13, a fixed clamp 14, a movable clamp 15, a clamping block 16, a nut 17, a bolt 18, a bolt B19, a nut 20 and a sliding chute 21.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example 1

Referring to fig. 1 to 3, in the embodiment of the present invention, a friction stir welding device applied to a numerical control machine tool comprises a base 1, a left clamp plate 2 is fixedly connected to the left side of the base 1, a right clamp plate 3 is arranged on the right side of the base 1, fixing rods 4 are fixedly connected to four corners of the surface of the right clamp plate 3, the fixing rods 4 are slidably connected to the base 1, a lead screw a5 is fixedly connected to the middle position of the right clamp plate 3, a worm wheel 6 is arranged on the lead screw a5, an internal thread is arranged at the center position of the worm wheel 6 and is in bolt connection with the lead screw a5, a worm 9 is arranged on one side of the worm wheel 6 and is meshed with the worm wheel 6, the worm 9 is connected to the base 1 through a fixing block 8, a handle 10 is connected to the front end of the worm 9, the device rotates the worm 9 through the handle 10, the worm 9 drives the worm wheel 6 to rotate through the meshing with the worm wheel 6, the internal thread at the center position of the worm wheel 6 also rotates, the lead screw A5 is fixedly connected to the right splint 3, the right splint 3 is fixed by the fixing rod 4 and cannot rotate, so the lead screw A5 drives the lead screw A5 to move up and down through the bolt connection with the worm wheel 6, and the lead screw A5 drives the right splint 3 to move up and down.

Preferably, for better friction welding of the workpiece, the front ends of the left clamp plate 2 and the right clamp plate 3 are both provided with a movable clamp 15, the rear ends of the left clamp plate 2 and the right clamp plate 3 are both provided with a fixed clamp 14, the left clamp plate 2 and the right clamp plate 3 are respectively provided with a plurality of sliding grooves 21 in a staggered manner, the fixed clamp 14 is fixedly connected at the tail ends of the left clamp plate 2 and the right clamp plate 3, the movable clamp 15 is movably connected in the sliding grooves 21 through nuts B20 and bolts B19, the device realizes clamping and fixing of the workpiece with fixed size through the arrangement of the movable clamp 15, the tail end of the base 1 is connected with a supporting column 11, the top end of the supporting column 11 is connected with a knife rest 12, a welding knife head 13 is connected under the knife rest 12, a clamping block 16 is arranged at the buckling position of the movable clamp 15 and the fixed clamp 14, the clamping block 16 is rotatably connected with a bolt a18, the front ends of the movable clamp 15 and the fixed clamp 14 are connected with a nut a17, and a nut a17 is connected with a bolt a18, the clamp fastens the clamp block 16 by bolting with bolt a18 and nut a 17.

Example 2

Referring to fig. 1, the present invention further provides another embodiment, which is different from the above embodiments in that the bottom end of the lead screw a5 is connected with a positioning block 7, and the device is used for limiting the lead screw a5 by arranging the positioning block 7 at the bottom end of the lead screw a5, so as to prevent the lead screw a5 from being lifted too high to cause derailment.

The utility model discloses a theory of operation is: before welding, two workpieces to be welded are respectively placed on the left clamping plate 2 and the right clamping plate 3, the position of the movable clamp 15 is adjusted according to the size of the workpieces, after the adjustment, the nut a17 is screwed to fix the movable clamp 15 on the clamping plate, and after the movable clamp 15 is fixed, the bolt B19 is screwed tightly, the bolt B19 fastens the clamping block 16, so that the clamping block 16 clamps the workpiece, and after the workpiece is fixed, the device rotates the worm 9 through the handle 10, the worm 9 drives the worm wheel 6 to rotate through the meshing with the worm wheel 6, the internal thread at the central position of the worm wheel 6 rotating the worm wheel 6 also rotates, the lead screw A5 is fixedly connected on the right splint 3, the right splint 3 is fixed by the fixing rod 4 and can not rotate, therefore, the lead screw A5 is driven by the internal thread of the worm wheel 6 to move up and down, the lead screw A5 drives the right clamping plate 3 to move up and down, the heights of the two workpieces are adjusted, and after the adjustment is completed, the device controls the welding tool bit 13 to perform friction welding on the workpieces through the tool rest 12.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The stirring friction welding device applied to the numerical control machine tool comprises a base (1) and is characterized in that a left clamp plate (2) is fixedly connected to the left side of the base (1), a right clamp plate (3) is arranged on the right side of the base (1), fixing rods (4) are fixedly connected to four corners of the lower surface of the right clamp plate (3), the fixing rods (4) are connected to the base (1) in a sliding mode, a lead screw A (5) is fixedly connected to the middle position of the right clamp plate (3), a worm wheel (6) is arranged on the lead screw A (5), an internal thread is arranged at the central position of the worm wheel (6) and connected with the lead screw A (5) through a bolt, a worm (9) is arranged on one side of the worm wheel (6), the worm (9) and the worm wheel (6) are meshed with each other, the worm (9) is connected to the base (1) through a fixing block (8), and movable clamps (15) are arranged at the front ends of the left clamp plate (2) and the right clamp plate (3), the rear ends of the base (1) are respectively provided with a fixing clamp (14), the tail end of the base is connected with a supporting column (11), the top end of the supporting column (11) is connected with a tool rest (12), and a welding tool bit (13) is connected below the tool rest (12).

2. The friction stir welding device for numerically controlled machine tools according to claim 1, wherein the left clamping plate (2) and the right clamping plate (3) are respectively provided with a plurality of sliding grooves (21) in a staggered manner.

3. The friction stir welding device applied to the numerical control machine tool according to claim 1, wherein the fixed clamp (14) is fixedly connected to the tail ends of the left clamping plate (2) and the right clamping plate (3), and the movable clamp (15) is movably connected in the sliding groove (21) through a nut B (20) and a bolt B (19).

4. The friction stir welding device applied to the numerical control machine tool according to claim 1 or 3, wherein a clamping block (16) is arranged at the buckling position of the movable clamp (15) and the fixed clamp (14), a bolt A (18) is rotatably connected to the clamping block (16), a nut A (17) is connected to the front ends of the movable clamp (15) and the fixed clamp (14), and the nut A (17) is in bolt connection with the bolt A (18).

5. The friction stir welding device for numerically controlled machine tools according to claim 1, wherein a handle (10) is connected to the front end of the worm (9).

6. The friction stir welding device applied to the numerical control machine tool according to claim 1, wherein a positioning block (7) is connected to the bottom end of the lead screw A (5).