CN113441840A

CN113441840A - Motor shell laser welding device with fixing mechanism

Info

Publication number: CN113441840A
Application number: CN202110813497.9A
Authority: CN
Inventors: 杨业福
Original assignee: Shenzhen Shenpulei Technology Co ltd
Current assignee: Shenzhen Shenpulei Technology Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2021-09-28

Abstract

The invention discloses a motor shell laser welding device with a fixing mechanism, belonging to the technical field of laser welding of motor shells, and comprising a base, wherein two inclined plates are fixedly connected to two sides in the base, each inclined plate is internally provided with a roller, each roller is rotatably connected with a bifurcating plate through a shaft, the tops of the bifurcating plates on two sides in the base are rotatably connected with a movable transverse plate II, a plurality of push plates are equidistantly arranged on the movable transverse plate II, the bifurcating plates on two sides of the base are rotatably connected with a same movable transverse plate I, the middle of the bifurcating plate is fixedly connected with a connecting plate II, the connecting plate II is rotatably connected with a connecting plate I, a connecting shaft is fixedly connected between the connecting plates I, and a belt transmission device is arranged in the middle of the connecting shaft, so that the problem that the conventional motor shell welding is generally lack of a fixing mechanism and the motor shell needs to have higher surface temperature after the laser welding device is solved, the motor shell needs a long time for natural cooling and can be taken, so that the production efficiency is greatly reduced.

Description

Motor shell laser welding device with fixing mechanism

Technical Field

The invention relates to the technical field of laser welding of motor shells, in particular to a motor shell laser welding device with a fixing mechanism.

Background

The motor is the transliteration of an English motor, namely an electric motor and an engine. The working principle is that a starter rotor is driven to rotate by the forced rotation of an electrified coil in a magnetic field, and a pinion on the rotor drives an engine flywheel to rotate. The technical product was first used in the automotive industry at 1912.

Laser welding is an efficient precision welding method using a laser beam with high energy density as a heat source. Laser welding is one of the important aspects of the application of laser material processing techniques. The 20 th century and the 70 th century are mainly used for welding thin-wall materials and low-speed welding, and the welding process belongs to a heat conduction type, namely, the surface of a workpiece is heated by laser radiation, the surface heat is diffused inwards through heat conduction, and the workpiece is melted to form a specific molten pool by controlling parameters such as the width, the energy, the peak power, the repetition frequency and the like of laser pulses. Due to the unique advantages, the welding method is successfully applied to the precise welding of micro and small parts.

Because the unique advantage of laser welding, the laser welding wide application is in the welding of motor casing, and current motor casing welding generally lacks fixed establishment, can't be with motor casing snap-on laser welding device, motor casing when the welding, needs peripheral hardware fixing device, leads to the operation to become complicated, and needs the just temperature of motor casing higher after the laser welding device welding, motor casing natural cooling needs very long time, just can take, great reduction the efficiency of production.

Disclosure of Invention

The present invention is directed to a laser welding apparatus for motor housing with a fixing mechanism, which solves the above problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

a motor shell laser welding device with a fixing mechanism comprises a base, wherein two inclined plates are fixedly connected to two sides inside the base, each inclined plate is internally provided with a roller, each roller is rotatably connected with a branching plate through a shaft, the tops of the branching plates on two sides inside the base are rotatably connected with a movable transverse plate II, a plurality of push plates are arranged on the movable transverse plates at equal intervals, the branching plates on two sides of the base are rotatably connected with the same movable transverse plate I, the middle of each branching plate is fixedly connected with a connecting plate II, the connecting plate II is rotatably connected with a connecting plate I, a connecting shaft is fixedly connected between the connecting plates I, a belt transmission device is arranged in the middle of each connecting shaft, one end, far away from the connecting shaft, of each belt transmission device is provided with a driving motor fixedly connected to the bottom of the base, and two sides of the top of the base are fixedly connected with slide rails, the utility model discloses a heat dissipation device, including slide rail, support frame, telescopic link, connecting plate, supporting frame, telescopic link output end fixedly connected with connecting plate three, connecting plate three both ends all are provided with heat abstractor, another telescopic link output end fixedly connected with link, link bottom fixedly connected with laser welding rifle, be provided with a plurality of backup pads one between the slide rail, it is a plurality of the cross recess has all been seted up to backup pad one, all be provided with the cross support in the cross recess, the equal fixedly connected with mount of cross support, the equal sliding connection in mount both sides has the movable rod, the equal fixedly connected with baffle in movable rod both ends, the mount side all is provided with spacing spring, spacing spring and baffle fixed connection.

As a still further scheme of the invention: a plurality of notch, a plurality of have been seted up to one side that the slide rail is close to backup pad one all be provided with magnet in the notch, magnet adsorbs there is the iron sheet, iron sheet fixed connection is in backup pad one.

The laser welding device for motor case with self-contained fixing mechanism as claimed in claim, wherein: the iron sheet is characterized in that plastic plates are fixedly connected to two sides of the iron sheet and fixedly connected with the supporting plate.

As a still further scheme of the invention: the gas cylinder connecting structure is characterized in that a connecting hose is arranged on the side edge of the connecting frame, a pipe connecting piece is fixedly connected with the connecting hose, a gas cylinder is connected with the pipe connecting piece in a threaded mode, a buckle is clamped on the gas cylinder, the buckle is fixedly connected to the base, and one end, away from the gas cylinder, of the connecting hose is arranged in an inclined mode.

As a still further scheme of the invention: the three sides of the connecting plate are inclined downwards, and through holes matched with the heat dissipation device are formed in the three sides of the connecting plate.

As a still further scheme of the invention: and a second supporting plate is arranged between the belt transmission device on the connecting shaft and the first connecting plate, and the second supporting plate is fixedly connected to the base.

As a still further scheme of the invention: the mount is every side all has three the movable rod, wherein the adjacent one end of movable rod sets up the baffle and all is provided with the rubber pad.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the movable rod on the fixing frame is driven by the limiting spring to push the adjacent side baffle to fix the motor shell, the driving motor drives the push plate to move through related parts, the push plate moves through the first supporting plate, the first supporting plate drives the fixing frame to move through the cross groove and the cross support, the fixing frame drives the motor shell to move to the position below the heat dissipation device, and the cooling speed of the motor shell is accelerated, so that the problems that the conventional motor shell is generally lack of a fixing mechanism during welding, the temperature of the surface of the motor shell is high after the welding of a laser welding device, the motor shell can be taken only after being naturally cooled for a long time, and the production efficiency is greatly reduced are solved.

2. In the invention, inert gas is provided by the gas cylinder, and the pipe connecting piece and the connecting hose blow the inert gas to the motor shell which is being welded, so that the oxidation degree of the motor shell is reduced, and the welding quality is improved.

3. According to the invention, when the supporting plate and the iron sheet move to the vicinity of the magnet, the magnet adsorbs the supporting plate to the same position through the iron sheet, so that the condition that the motor shell stays at different positions to cause welding position errors during welding is avoided.

Drawings

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

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

FIG. 3 is a schematic view of the connection of a movable transverse plate according to the present invention;

FIG. 4 is a schematic view showing the connection of three connection plates according to the present invention;

FIG. 5 is a schematic view of the laser welding gun connection of the present invention;

fig. 6 is an exploded view of a support plate according to the present invention.

In the figure: 1. a base; 2. a drive motor; 3. a belt drive; 4. a connecting shaft; 5. a first connecting plate; 6. a second connecting plate; 7. a forking plate; 8. a first movable transverse plate; 9. a roller; 10. a sloping plate; 11. a second movable transverse plate; 12. pushing the plate; 13. a slide rail; 14. a support frame; 15. a telescopic rod; 16. a third connecting plate; 17. a heat sink; 18. a connecting frame; 19. a laser welding gun; 20. a connecting hose; 21. a tube connector; 22. a gas cylinder; 23. buckling; 24. a notch; 25. a magnet; 26. iron sheets; 27. a plastic panel; 28. a first support plate; 29. a cross-shaped groove; 30. a cross-shaped bracket; 31. a fixed mount; 32. a movable rod; 33. a baffle plate; 34. a limiting spring; 35. and a second supporting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 6, in the embodiment of the present invention, a motor housing laser welding device with a fixing mechanism includes a base 1, two inclined plates 10 are fixedly connected to two sides of the inside of the base 1, a roller 9 is disposed in each inclined plate 10, each roller 9 is rotatably connected to a bifurcating plate 7 through a shaft, the tops of the bifurcating plates 7 on two sides of the inside of the base 1 are rotatably connected to a movable transverse plate two 11, a plurality of push plates 12 are equidistantly disposed on the movable transverse plates 11, the bifurcating plates 7 on two sides of the base 1 are rotatably connected to the same movable transverse plate one 8, a connecting plate two 6 is fixedly connected to the middle of the bifurcating plates 7, the connecting plate two 6 is rotatably connected to a connecting plate one 5, a connecting shaft 4 is fixedly connected between the connecting plates one 5, a belt transmission device 3 is disposed at the middle position of the connecting shaft 4, and a driving motor 2 fixedly connected to the bottom of the base 1 is disposed at one end of the belt transmission device 3 away from the connecting shaft 4, equal fixedly connected with slide rail 13 in 1 top both sides of base, slide rail 13 top symmetry is provided with support frame 14, the equal fixedly connected with telescopic link 15 of support frame 14, 15 output end fixedly connected with connecting plate three 16 of one of them telescopic link, the three 16 both ends of connecting plate all are provided with heat abstractor 17, another 15 output end fixedly connected with link 18 of telescopic link, link 18 bottom fixedly connected with laser welding rifle 19, be provided with a plurality of backup pad 28 between the slide rail 13, cross recess 29 has all been seted up to a plurality of backup pad 28, all be provided with cross support 30 in the cross recess 29, the equal fixedly connected with mount 31 of cross support 30, the equal sliding connection in mount 31 both sides has movable rod 32, the equal fixedly connected with baffle 33 in movable rod 32 both ends, mount 31 side all is provided with spacing spring 34, spacing spring 34 and baffle 33 fixed connection. According to the invention, the limiting spring 34 drives the movable rod 32 on the fixed frame 31 to push the adjacent side baffle 33 to fix the motor shell, the driving motor 2 drives the push plate 12 to move through related parts, the push plate 12 moves through the first supporting plate 28, the first supporting plate 28 drives the fixed frame 31 to move through the cross groove 29 and the cross support 30, the fixed frame 31 drives the motor shell to move to the lower part of the heat dissipation device 17, and the cooling speed of the motor shell is accelerated, so that the problems that the conventional motor shell is generally lack of a fixing mechanism during welding, the temperature of the surface of the motor shell is high after the welding of a laser welding device, the motor shell can be taken only after being naturally cooled for a long time, and the production efficiency is greatly reduced are solved.

The structure is convenient for accurately positioning the first support plate 28, so that a motor shell to be machined is positioned, and errors in the welding position of the motor shell caused by errors in the position where the first support plate 28 stays at each time are avoided;

the two sides of the iron sheet 26 are fixedly connected with the plastic plates 27, the plastic plates 27 are fixedly connected with the first support plate 28, and the structure prevents the magnet 25 from being adsorbed on the first support plate 28, so that the moving resistance of the first support plate 28 is increased;

the connecting hose 20 is arranged on the side edge of the connecting frame 18, the connecting hose 20 is fixedly connected with the pipe connecting piece 21, the pipe connecting piece 21 is in threaded connection with the gas cylinder 22, the buckle 23 is clamped on the gas cylinder 22, the buckle 23 is fixedly connected to the base 1, and the end, away from the gas cylinder 22, of the connecting hose 20 is obliquely arranged, so that inert gas is conveniently provided during welding of the motor shell, the oxidation degree of the motor shell during laser welding is reduced, and the welding quality is improved;

both sides of the third connecting plate 16 are inclined downwards, and both sides of the third connecting plate 16 are provided with through holes matched with the heat dissipation device 17, so that the structure is convenient for rapidly cooling the welded motor shell;

a second supporting plate 35 is arranged between the belt transmission device 3 on the connecting shaft 4 and the first connecting plate 5, the second supporting plate 35 is fixedly connected to the base 1, and the structure plays a role in supporting the connecting shaft 4;

every side of mount 31 all has three movable rod 32, and wherein the adjacent one end of movable rod 32 sets up baffle 33 and all is provided with the rubber pad, and when fixed to motor housing, this structure is favorable to reducing the damage to motor housing.

The working principle of the invention is as follows:

when the motor shell fixing device is used, the movable rods 32 are pulled to two sides of the fixed frame 31 through the baffle 33 on the outer side, the movable rods 32 drive the baffle 33 on the inner side of the fixed frame 31 to be away from each other, the motor shell limiting spring 34 is placed in the motor shell and drives the baffle 33 on the inner side of the fixed frame 31 through the baffle 33 on the outer side and the movable rods 32 to fix the motor shell, three groups of the movable rods 32 and the baffle 33 on two sides of the fixed frame 31 are arranged, when the motor shell is clamped, multi-point contact is carried out, the stability of fixing the motor shell is improved, the motor shell is prevented from shaking, and the welding effect is reduced, after the motor shell is fixed, the fixed frame 31 is placed on the first supporting plate 28, the fixed frame 31 is clamped with the cross-shaped bracket 30, so that the fixed frame 31 is limited, the first supporting plate 28 is placed on the slide rail 13, then the driving motor 2 is started, the driving motor 2 drives the connecting shaft 4 to rotate through the belt transmission device 3, the connecting shaft 4 drives the connecting plates 5 on two sides to rotate, the connecting plates 5 drive the forked plate 7 to move through the connecting plates 6, the forked plate 7 is elliptical in the moving track of the joint of the forked plate 7 and the movable transverse plate 11 under the action of the rollers 9 and the inclined plate 10, the movable transverse plate 11 moves along with the forked plate 7 and drives the push plate 12 to move, the push plate 12 pushes the first support plate 28 to move to the position below the laser welding gun 19 in the moving process, the laser welding gun 19 welds the motor shell above the first support plate 28, in the welding process, the second fixed motor shell and the first support plate 28 are placed on the slide rail 13, after the welding is completed, the push plate 12 is simultaneously contacted with the first support plate 28 and the second support plate 28, the first support plate 28 is pushed to the position below the heat dissipation device 17, and the second support plate 28 is pushed to the position below the welding gun 19, after the motor shell on the second support plate I28 is welded, the temperature of the motor shell on the first support plate I28 is reduced, when the push plate 12 is contacted with the first support plate I28 for the third time, the first support plate I28 is pushed aside, and a user can take the first support plate I off, so that the problem that the existing motor shell is generally lack of a fixing mechanism during welding, the temperature of the surface of the motor shell is high after the welding of a laser welding device, the motor shell can be taken only after the motor shell is naturally cooled for a long time, and the production efficiency is greatly reduced is solved;

in the welding process, the gas cylinder 22 blows inert gas to the motor shell which is being welded through the pipe connecting piece 21 and the connecting hose 20, so that the oxidation degree of the motor shell is reduced, and the welding quality is improved;

in order to avoid different stop positions of the first support plate 28 at each time, the bottom of the first support plate 28 is provided with the iron sheet 26, the magnet 25 is arranged in the notch 24 on the slide rail 13, when the first support plate 28 moves to the magnet 25 together with the iron sheet 26, the magnet 25 adsorbs the first support plate 28 to the same position through the iron sheet 26, different stop positions of the motor shell are avoided, and therefore the welding position error is caused during welding.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.

Claims

1. The utility model provides a from motor housing laser welding device who takes fixed establishment, includes base (1), its characterized in that: two swash plates (10) of the equal fixedly connected with in base (1) inside both sides, every all be provided with gyro wheel (9) in swash plate (10), every gyro wheel (9) all are connected with branch fork board (7) through axle rotation, branch fork board (7) top of the inside both sides of base (1) all rotates and is connected with activity diaphragm two (11), activity diaphragm two (11) equidistance is provided with a plurality of push pedal (12), branch fork board (7) of base (1) both sides all rotate and are connected with same activity diaphragm one (8), fixedly connected with connecting plate two (6) in the middle of branch fork board (7), connecting plate two (6) rotate and are connected with connecting plate one (5), fixedly connected with connecting axle (4) between connecting plate one (5), connecting axle (4) intermediate position is provided with belt transmission (3), the one end that belt transmission (3) kept away from (4) is provided with fixed connection at base (3) 1) The driving device comprises a driving motor (2) at the bottom, sliding rails (13) are fixedly connected to two sides of the top of a base (1), supporting frames (14) are symmetrically arranged at the tops of the sliding rails (13), telescopic rods (15) are fixedly connected to the supporting frames (14), a third connecting plate (16) is fixedly connected to the output end of one telescopic rod (15), heat dissipation devices (17) are arranged at two ends of the third connecting plate (16), a connecting frame (18) is fixedly connected to the output end of the other telescopic rod (15), a laser welding gun (19) is fixedly connected to the bottom of the connecting frame (18), a plurality of first supporting plates (28) are arranged between the sliding rails (13), a plurality of first supporting plates (28) are provided with cross grooves (29), cross supports (30) are arranged in the cross grooves (29), and fixing frames (31) are fixedly connected to the cross supports (30), the utility model discloses a fixing device for the automobile seat, including mount (31), the equal sliding connection in mount (31) both sides has movable rod (32), the equal fixedly connected with baffle (33) in movable rod (32) both ends, mount (31) side all is provided with spacing spring (34), spacing spring (34) and baffle (33) fixed connection.

2. The laser welding apparatus for motor case with fixing mechanism as claimed in claim 1, wherein: a plurality of notch (24), a plurality of have been seted up to one side that slide rail (13) are close to backup pad (28) all be provided with magnet (25) in notch (24), magnet (25) adsorb have iron sheet (26), iron sheet (26) fixed connection is on backup pad (28).

3. The laser welding apparatus for motor case with fixing mechanism as claimed in claim 2, wherein: the iron sheet (26) is fixedly connected with plastic plates (27) on two sides, and the plastic plates (27) are fixedly connected with the first support plate (28).

4. The laser welding apparatus for motor case with fixing mechanism as claimed in claim 1, wherein: connecting frame (18) side is provided with coupling hose (20), coupling hose (20) fixedly connected with union coupling spare (21), union coupling spare (21) threaded connection has gas cylinder (22), gas cylinder (22) joint has buckle (23), buckle (23) fixed connection is on base (1), just coupling hose (20) keep away from the one end of gas cylinder (22) and set up for the slope.

5. The laser welding apparatus for motor case with fixing mechanism as claimed in claim 1, wherein: and both sides of the third connecting plate (16) are inclined downwards, and through holes matched with the heat dissipation device (17) are formed in both sides of the third connecting plate (16).

6. The laser welding apparatus for motor case with fixing mechanism as claimed in claim 1, wherein: a second supporting plate (35) is arranged between the belt transmission device (3) on the connecting shaft (4) and the first connecting plate (5), and the second supporting plate (35) is fixedly connected to the base (1).

7. The laser welding apparatus for motor case with fixing mechanism as claimed in claim 1, wherein: the utility model discloses a safety device, including mount (31), mount (31) every side all has three movable rod (32), wherein the adjacent one end of movable rod (32) sets up baffle (33) and all is provided with the rubber pad.