Welding equipment for dust collector barrel body

Abstract

The welding equipment comprises a base and a supporting frame, a left conveying belt and a right conveying belt are arranged on the left side and the right side of the base respectively, a blocking strip is transversely arranged on the upper side of the rear end of the left conveying belt, a first rotating shaft is rotationally arranged on the base, a rotating disc is coaxially arranged on the first rotating shaft, and a second rotating shaft is arranged on the supporting frame. Positioning blocks located in front of and behind the rotary disc and a welding gun located on the left side of the rotary disc are arranged above the base, a downward pressing air cylinder is downwards arranged at the top end of the supporting frame, and a pressing piece is rotationally and elastically arranged at the end of a piston rod of the downward pressing air cylinder in a telescopic mode. And a rotating piece driven by a stepping motor is rotationally arranged on the first rotating shaft. The device has the advantages that grabbing and displacement of a barrel body and a barrel body can be automatically completed, the barrel body is drilled after the barrel body is pressed to the barrel bottom through the pressing piece, the barrel body and the barrel bottom which rotate along with the rotating disc are welded through the welding gun, the automation degree is high, and efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of vacuum cleaners, and in particular to welding equipment for a vacuum cleaner barrel. Background Art

[0002] A vacuum cleaner is a commonly used cleaning device used to clean indoor dust and small debris. It is a common electrical appliance in daily life. It uses an electric motor to drive the blades to rotate at high speed, generating negative air pressure in the sealed shell to absorb dust. The barrel of the vacuum cleaner needs to be punched as the installation hole for the dust inlet pipe. Generally, the barrel body is very thin. The staff will place the barrel body at the punched position to fix it firmly and fill the inside of the barrel body to prevent the barrel body from deforming. The barrel body is drilled with a drill, and then the barrel bottom is placed at the bottom of the welding position, and then the barrel body is placed on the barrel bottom and repositioned. The staff holds a welding gun to perform welding around the connection between the barrel body and the barrel bottom. The steps are numerous and inefficient. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a welding device for a vacuum cleaner barrel, which can automatically complete the grabbing and shifting of the barrel body, the barrel body is pressed against the barrel bottom by a clamping piece and then a hole is drilled in the barrel body, and the welding gun welds the barrel body and the barrel bottom that rotate with the turntable, with a high degree of automation and improved efficiency.

[0004] The present invention provides a welding device for a vacuum cleaner barrel, comprising a base 1 and a support frame 4, wherein a left conveyor belt and a right conveyor belt are respectively arranged on the left and right sides of the base 1, a baffle 18 is transversely arranged on the upper side of the rear end of the left conveyor belt, a first rotating shaft is rotatably arranged on the base 1, a turntable 3 is coaxially arranged on the first rotating shaft, a positioning block 2 located before and after the turntable 3 and a welding gun 17 located on the left side of the turntable 3 are arranged above the base 1, a downward pressure cylinder 5 is arranged at the top of the support frame 4, a pressing member 6 is rotatably and elastically arranged at the end of the piston rod of the pressing cylinder 5, and a rotating member driven by a stepping motor 7 is rotatably arranged on the first rotating shaft. 9. A shift assembly 10 is provided on the rear side of the upper end of the base 1, and a drilling assembly 11 and a driving assembly connected to the first rotating shaft are provided on the support frame 4. The rotating member 9 first drives the shift assembly 10 to grab the barrel body and the barrel body, and grabs the barrel body and the barrel body to the top of the turntable 3 and the right conveyor belt respectively. The downward pressure cylinder 5 drives the clamping member 6 to press down the barrel body, and the barrel body is pressed against the barrel bottom positioned on the turntable 3 by the positioning block 2. The rotating member 9 drives the drilling assembly 11 to drill holes in the side wall of the barrel body. The rotating member 9 then drives the turntable 3, the barrel body and the barrel bottom to rotate together through the driving assembly, and the welding gun 17 welds the connection between the barrel body and the barrel bottom.

[0005] Furthermore, a vertical block 12 is vertically provided at the upper end of the base 1, and a sliding rod is elastically slidably provided on the vertical block 12. The right end of the sliding rod is connected to a V-shaped block 13, and the right end of the V-shaped block is provided with a chamfered corner. The side wall of the first rotating shaft is provided with a V-shaped groove locked by the V-shaped block 13.

[0006] Furthermore, the rotating member 9 is composed of a middle rotating cylinder 9.1 connected to a driven gear 9.2 on the lower side and an incomplete gear 9.3 on the upper side. A driving gear 8 meshing with the driven gear 9.2 is keyed on the output shaft of the stepper motor 7. The side wall of the rotating cylinder 9.1 extends backward to form a push bar 9.4. A fixing ring 9.5 is provided in the middle of the upper end of the incomplete gear 9.3, and the inner wall of the fixing ring 9.5 is provided with partial teeth 9.6.

[0007] Furthermore, the shift assembly 10 includes a locking gear 10.1 that cooperates with the incomplete gear 9.3, a first gear 10.2 is coaxially connected to the upper side of the locking gear 10.1, and the right side of the first gear 10.2 is connected to the second gear 10.3 through a toothed belt, a track 10.4 is horizontally arranged above the base 1, a second rotating shaft that can be keyed to the second gear 10.3 is rotatably arranged in the middle of the track 10.4, and a driving rod 10.5 with a slide groove is keyed to the upper end of the second rotating shaft, and a slide column that slides along the track 10.4 is slidably provided at the slide groove, and a longitudinal bar 10.6 that fits above the track 10.4 is provided on the slide column, and two left-right symmetrical clamping cylinders 10.7 are connected to the longitudinal bar 10.6, and an arc-shaped clamping block 10.8 for clamping the barrel body is connected to the piston rod of the clamping cylinder 10.7.

[0008] Furthermore, a first slide rail is transversely arranged at the left end of the track 10.4, a return block is slidably fitted on the first slide rail, and the longitudinal bar 10.6 is slidably fitted on the return block so as to move forward and backward.

[0009] Furthermore, the drilling assembly 11 includes a second slide rail 11.3 arranged on the support frame 4, and a drilling rig 11.4 is slidably mounted on the first slide rail 11.3 so as to move forward and backward. A lifting rod 11.1 pushed by the push bar 9.4 is twisted at the first slide rail 11.3, and a guide groove is provided at the upper end of the lifting rod 11.1. The side wall of the drilling rig 11.4 is provided with a guide column 11.2 slidably mounted in the guide groove.

[0010] Furthermore, the tilting rod 11.1 is composed of a fixed column on the right side connecting two front-to-back symmetrical bending rods, the guide groove is opened on the upper side of the bending rod, and the fixed column is pushed by the push bar 9.4.

[0011] Furthermore, the driving assembly includes a flat plate 14 connected to the rear end of the support frame 4, the arc-shaped positioning block 2 is arranged on the front and rear sides of the flat plate 14, and a third gear 15 that can be driven by the partial teeth 9.6 is rotatably arranged below the flat plate 14, and a fourth gear 16 that meshes with the third gear 15 is keyed to the first rotating shaft.

[0012] Furthermore, the clamping member 6 is composed of an upper pressure plate 6.1 connected to a coaxially arranged positioning column 6.2 on the lower side, the side wall of the positioning column 6.2 is provided with an annular avoidance groove 6.3, the bottom of the clamping member 6 is provided with a through hole 6.4, and the middle of the lower end of the positioning column 6.2 is provided with a groove 6.5.

[0013] Furthermore, a telescopic groove with a T-shaped cross-section is provided at the end of the piston rod of the downward-pressing cylinder 5, a telescopic rod is slidably fitted in the telescopic groove, an elastic member sleeved on the outside of the telescopic rod is provided between the telescopic rod and the clamping member 6, and the clamping member 6 is connected to the end of the telescopic rod.

[0014] The advantages of the present invention are as follows: the barrel body and the barrel shell can be automatically grasped and shifted, the barrel body is drilled after the pressing piece presses the barrel body to the barrel bottom, and the welding gun welds the barrel body and the barrel bottom rotating with the turntable, which has a high degree of automation and improves efficiency; the rotating drum rotates on the first rotating shaft, the driven gear is meshed with the driving gear driven by the stepping motor, the incomplete gear first drives the shifting component to grasp the barrel body and the barrel shell, the push bar can drive the drilling component to drill the side wall of the barrel body, and some teeth drive the turntable, the barrel body and the barrel bottom to rotate together through the driving assembly; the V-shaped groove and the first rotating shaft are locked by the V-shaped block, so that the drilling assembly can drill the barrel body pressed against the barrel bottom; the incomplete gear drives the locking gear to rotate, and the locking gear drives the driving rod to rotate through the first gear, the toothed belt, the second gear and the second rotating shaft, and the sliding groove on the driving rod drives the sliding column to move along the track, and the sliding column moves forward with the clamping cylinder through the longitudinal bar, and then moves right, and the incomplete gear locks the locking gear, and the incomplete gear drives the locking gear again. The locking gear rotates, and the slide column moves forward and backward with the clamping cylinder through the longitudinal bar, and then moves left and resets; the longitudinal bar is kept in the longitudinal setting through the first slide rail and the return block during the sliding of the slide column along the track; the push bar pushes the tilting rod, and the guide groove of the tilting rod drives the drill to move backward along the first slide rail through the guide column, and the drill drills the barrel body pressed by the clamping piece. After the push bar is separated from the tilting rod, the tilting rod is reset under the action of the torsion spring, and the guide groove of the tilting rod drives the drill to move forward and reset through the guide column; some teeth of the rotating part drive the third gear to rotate, and the third gear drives the fourth gear and the first rotating shaft to rotate, and the first rotating shaft rotates with the turntable and the barrel bottom, barrel body and clamping piece thereon; the pressure plate can press the barrel body to the barrel bottom, the positioning column can stabilize the upper part of the barrel body, the avoidance groove can avoid the drilling drill bit, the perforation setting can ventilate when the clamping piece is pressed into the barrel body, and the groove setting can reduce the weight of the clamping piece; the telescopic rod rotates and elastically retracts from the piston rod of the downward pressing cylinder so that the clamping piece is elastically pressed to the barrel body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A perspective view of the present invention; Figure 2 It is a structural schematic diagram of the present invention; Figure 3 It is a front view of the present invention; Figure 4 A top view of the present invention; Figure 5 for Figure 3 AA section view; Figure 6 for Figure 3 BB cross-sectional view; Figure 7 This is a schematic diagram of the structure of the present invention when the barrel body and the barrel bottom are placed; Figure 8 It is a top view of the rotating member of the present invention when it rotates and grabs the barrel body and the barrel body to shift; Fig. 9 It is a cross-sectional view of the rotating member of the present invention when it rotates and grabs the barrel body and the barrel body to shift; Fig.10 It is a cross-sectional view of the pressing member of the present invention pressing the barrel body against the barrel bottom; Fig.11 It is a cross-sectional view of the rotating member of the present invention when it rotates and the push bar is separated from the tilting rod; Fig.12 It is a cross-sectional view of the welding gun of the present invention when welding the rotating barrel body and barrel bottom; Fig.13 for Figure 2 Enlarged view of part C; Fig.14 for Figure 5 A magnified view of the D portion; Fig.15 It is a structural schematic diagram of the pressing member of the present invention; Fig.16 It is a schematic structural diagram of the rotating part of the present invention. DETAILED DESCRIPTION

[0016] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0017] See also Figures 1 to 16The present invention provides a welding device for a vacuum cleaner barrel body, which includes a base 1 and a support frame 4. A left conveyor belt and a right conveyor belt are respectively arranged on the left and right sides of the base 1. A baffle 18 is transversely arranged on the upper side of the rear end of the left conveyor belt, and the baffle can position the barrel body on the left conveyor belt. A first rotating shaft is rotatably arranged on the base 1, and a turntable 3 is coaxially arranged on the first rotating shaft. A vertical block 12 is vertically arranged on the upper end of the base 1, and a sliding rod is elastically slidably arranged on the vertical block 12. A V-shaped block 13 is connected to the right end of the sliding rod, and a chamfer is arranged on the right end of the V-shaped block. A V-shaped groove locked by the V-shaped block 13 is opened on the side wall of the first rotating shaft. The V-shaped groove and the first rotating shaft are locked by the V-shaped block so that the drilling component can drill holes in the barrel body pressed against the bottom of the barrel without affecting the driving component to drive the turntable, the barrel body and the bottom of the barrel to rotate. A positioning block 2 located in front and behind the turntable 3 and a positioning block 2 located on the left side of the turntable 3 are arranged above the base 1. The welding gun 17, the bottom of the barrel is placed on the turntable and the side wall is attached to the front and rear positioning blocks. The top of the support frame 4 is provided with a downward pressure cylinder 5, and the piston rod end of the downward pressure cylinder 5 is rotated and elastically provided with a clamping member 6. A rotating member 9 driven by a stepping motor 7 is rotatably provided on the first rotating shaft, and a shifting assembly 10 is provided on the rear side of the upper end of the base 1. The support frame 4 is provided with a drilling assembly 11 and a driving assembly connected to the first rotating shaft. The rotating member 9 first drives the shifting assembly 10 to grab the barrel body and the barrel body, and grabs the barrel body and the barrel body to the top of the turntable 3 and the right conveyor belt respectively. The downward pressure cylinder 5 drives the clamping member 6 to press the barrel body, and the barrel body is pressed against the barrel bottom positioned on the turntable 3 by the positioning block 2. The rotating member 9 drives the drilling assembly 11 to drill holes in the side wall of the barrel body, and the rotating member 9 drives the turntable 3, the barrel body and the barrel bottom to rotate together through the driving assembly, and the welding gun 17 welds the connection between the barrel body and the barrel bottom. Put the barrel body on the left conveyor belt, with the barrel body on the rear side against the baffle bar, place the barrel bottom on the turntable and position it with the positioning block, the stepper motor drives the rotating part to rotate, the rotating part first drives the shifting assembly to grab the barrel body on the left conveyor belt and the welded barrel body on the turntable, grab the barrel body and the barrel body to the top of the turntable and the right conveyor belt respectively to complete the shifting, the downward pressure cylinder drives the clamping part to press the barrel body down, the barrel body is elastically pressed against the barrel bottom on the turntable and the clamping part fills the inside of the barrel body, the shifting assembly loosens the barrel body and the barrel body, the left conveyor belt conveys the subsequent barrel body backwards, and the right conveyor belt conveys the barrel body away, the rotating part drives the drilling assembly to drill holes in the side wall of the barrel body, the rotating part then drives the turntable, the barrel body and the barrel bottom, and the clamping part to rotate together through the driving assembly, the welding gun welds the connection between the barrel body and the barrel bottom, and at the same time the rotating part drives the shifting assembly to reset, the downward pressure cylinder drives the clamping part to rise and reset to loosen the barrel body.

[0018] See also Fig.13 , Fig.16The rotating member 9 is composed of a rotating drum 9.1 in the middle connected to a driven gear 9.2 on the lower side and an incomplete gear 9.3 on the upper side. A driving gear 8 meshing with the driven gear 9.2 is keyed on the output shaft of the stepper motor 7. The side wall of the rotating drum 9.1 extends backward to form a push bar 9.4. A fixing ring 9.5 is arranged in the middle of the upper end of the incomplete gear 9.3. The inner wall of the fixing ring 9.5 is provided with partial teeth 9.6. The rotating drum rotates on the first rotating shaft, and the driven gear meshes with the driving gear driven by the stepper motor. The incomplete gear first drives the shifting assembly to grab the barrel body and the barrel body, and grabs the barrel body and the barrel body to the top of the turntable and the right conveyor belt respectively. The push bar can drive the drilling assembly to drill holes on the side wall of the barrel body. The partial teeth drive the turntable, the barrel body and the barrel bottom to rotate together through the driving assembly. The welding gun welds the connection between the barrel body and the barrel bottom. At the same time, the incomplete gear drives the shifting assembly again.

[0019] The shift assembly 10 includes a locking gear 10.1 matched with the incomplete gear 9.3, a first gear 10.2 is coaxially connected to the upper side of the locking gear 10.1, and a second gear 10.3 is connected to the right side of the first gear 10.2 through a toothed belt. A track 10.4 is horizontally arranged above the base 1, and a second rotating shaft that allows the second gear 10.3 to be keyed is rotatably arranged in the middle of the track 10.4. A driving rod 10.5 with a slide groove is keyed to the upper end of the second rotating shaft, and a slide column sliding along the track 10.4 is slidably provided at the slide groove. A longitudinal bar 10.6 that fits above the track 10.4 is provided on the slide column, and two left-right symmetrical clamping claw cylinders 10.7 are connected to the longitudinal bar 10.6, and an arc-shaped clamping block 10.8 for clamping the barrel body is connected to the piston rod of the clamping claw cylinder 10.7. During the rotation of the rotating part, the incomplete gear first drives the locking gear to rotate, and the locking gear drives the second rotating shaft and the driving rod to rotate through the first gear, the toothed belt and the second gear. The slide groove on the driving rod drives the slide column to move along the track. The slide column moves forward with the clamping cylinder through the longitudinal bar (the clamping cylinder drives the clamping block to clamp the barrel body and the whole body), and then moves to the right (the clamping cylinder grabs the barrel body and the barrel body to the top of the turntable and the right conveyor belt respectively). The incomplete gear locks the locking gear, and then the downward pressure cylinder drives the clamping member to press the clamped barrel body to the bottom of the barrel, the clamping block of the clamping cylinder releases the barrel body and the barrel body, the drilling assembly drills a hole in the side wall of the barrel body, the driving assembly drives the turntable, the barrel body and the barrel bottom to rotate together, and the welding gun welds the connection between the barrel body and the barrel bottom. At the same time, the incomplete gear drives the locking gear to rotate again, and the slide groove on the driving rod drives the slide column to move along the track. The slide column moves forward with the clamping cylinder through the longitudinal bar (avoiding the barrel body or the barrel body), and then moves left to reset.

[0020] The left end of the track 10.4 is provided with a first slide rail transversely, and a return block is slidably provided at the first slide rail, and the longitudinal bar 10.6 is slidably provided on the return block so as to move forward and backward. The longitudinal bar is kept in a longitudinal arrangement through the first slide rail and the return block during the sliding of the slide column along the track.

[0021] The drilling assembly 11 includes a second slide rail 11.3 arranged on the support frame 4, a drill 11.4 is slidably arranged on the first slide rail 11.3 and moves forward and backward, a tilting rod 11.1 is twistedly connected to the first slide rail 11.3 and pushed by the push bar 9.4, a guide groove is provided at the upper end of the tilting rod 11.1, and a guide column 11.2 slidably arranged in the guide groove is provided on the side wall of the drill 11.4. When the rotating part rotates, the push bar pushes the tilting rod, and the guide groove of the tilting rod drives the drill to move backward along the first slide rail through the guide column, and the drill drills the barrel body pressed by the pressing part, and the pressing part can stabilize the barrel body and avoid the drill bit of the drill, and after the push bar is separated from the tilting rod, the tilting rod is reset under the action of the torsion spring, and the guide groove of the tilting rod drives the drill to move forward and reset through the guide column.

[0022] The tilting rod 11.1 is composed of a fixed column on the right side connected to two symmetrical bending rods, the guide groove is opened on the upper side of the bending rod, and the fixed column is pushed by the push bar 9.4. The two bending rods can avoid the flat plate and are stable, and the bending rod can be close to the push bar so that the push bar pushes the fixed column, thereby driving the tilting rod to rotate.

[0023] The driving assembly includes a plate 14 connected to the rear end of the support frame 4, an arc-shaped positioning block 2 is arranged on the front and rear sides of the plate 14, a third gear 15 that can be driven by partial teeth 9.6 is rotatably arranged below the plate 14, and a fourth gear 16 that meshes with the third gear 15 is keyed on the first rotating shaft. When the rotating member rotates, the partial teeth of the rotating member drive the third gear to rotate, the third gear drives the fourth gear and the first rotating shaft to rotate, the first rotating shaft drives the turntable and the barrel bottom, barrel body, and pressing member thereon to rotate, and the welding gun welds the connection between the barrel body and the barrel bottom.

[0024] See also Figure 2 , Fig.15 The pressing member 6 is composed of a pressure plate 6.1 on the upper side connected to a positioning column 6.2 coaxially arranged on the lower side. The side wall of the positioning column 6.2 is provided with an annular avoidance groove 6.3. The bottom of the pressing member 6 is provided with a perforation 6.4. The middle of the lower end of the positioning column 6.2 is provided with a groove 6.5. The pressure plate can press the barrel body against the barrel bottom, so that when the turntable rotates, the turntable rotates with the barrel bottom, the barrel body and the pressing member through friction. The positioning column can stabilize the upper part of the barrel body so that the drilling rig can drill holes in the barrel body. The avoidance groove can avoid the drilling bit. The perforation setting can allow ventilation when the pressing member is pressed into the barrel body. The groove setting can reduce the weight of the pressing member.

[0025] The end of the piston rod of the downward-pressing cylinder 5 is provided with a telescopic groove with a T-shaped cross section, in which a telescopic rod is slidably mounted, and an elastic member sleeved on the outside of the telescopic rod is provided between the telescopic rod and the pressing member 6, and the pressing member 6 is connected to the end of the telescopic rod. The above arrangement can make the telescopic rod rotate and elastically extend and retract to the piston rod of the downward-pressing cylinder, so that the pressing member is elastically pressed against the barrel body, so that the barrel body is elastically pressed against the barrel bottom, and when the turntable rotates, the turntable will rotate with the barrel bottom, the barrel body, the pressing member, and the telescopic rod.

[0026] The specific working process of the present invention is as follows: put the barrel body on the left conveyor belt, the barrel body on the rear side is against the baffle, the barrel bottom is placed on the turntable and positioned by the positioning block, such as Figure 7 As shown, the stepper motor drives the rotating part to rotate, the incomplete gear first drives the locking gear to rotate, the locking gear drives the second rotating shaft and the driving rod to rotate through the first gear, the toothed belt and the second gear, the slide groove on the driving rod drives the slide column to move along the track, the slide column moves forward with the clamping cylinder through the longitudinal bar (the clamping cylinder drives the clamping block to clamp the barrel body and the whole body), and then moves to the right (the clamping cylinder grabs the barrel body and the barrel body to the top of the turntable and the right conveyor belt respectively), and the incomplete gear locks the locking gear, as shown in FIG. Figure 8 , 9 As shown, the downward pressure cylinder drives the pressing member to press the clamped barrel body to the barrel bottom, and the clamping block of the clamping claw cylinder releases the barrel body and the barrel body, as shown in FIG. Fig.10 As shown, the push bar pushes the tilting rod, and the guide groove of the tilting rod drives the drill to move backward along the first slide rail through the guide column, and the drill drill drills the barrel body pressed by the clamping member, and the clamping member can stabilize the barrel body and avoid the drill bit of the drill. After the push bar is separated from the tilting rod, the tilting rod is reset under the action of the torsion spring, and the guide groove of the tilting rod drives the drill to move forward and reset through the guide column, as shown in FIG. Fig.11 As shown, the partial teeth of the rotating part drive the third gear to rotate, the third gear drives the fourth gear and the first rotating shaft to rotate, the first rotating shaft drives the turntable and the barrel bottom, barrel body and pressing member thereon to rotate, the welding gun welds the connection between the barrel body and the barrel bottom, and at the same time, the incomplete gear drives the locking gear to rotate, the slide groove on the driving rod drives the slide column to move along the track, the slide column drives the clamping cylinder to move forward and backward (avoiding the barrel body or barrel body) through the longitudinal bar, and then moves to the left, as shown in FIG. Fig.12 As shown, after the welding is completed and the driving rod rotates one circle to reset, the rotating part rotates one circle to reset, and the downward pressure cylinder drives the clamping part to rise and reset to loosen the barrel body.

[0027] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A welding device for a vacuum cleaner barrel, characterized in that: The invention comprises a base and a support frame, wherein a left conveyor belt and a right conveyor belt are respectively arranged on the left and right sides of the base, a baffle is transversely arranged on the upper side of the rear end of the left conveyor belt, a first rotating shaft is rotatably arranged on the base, a turntable is coaxially arranged on the first rotating shaft, a positioning block located in front and behind the turntable and a welding gun located on the left side of the turntable are arranged above the base, a downward pressure cylinder is arranged downwardly on the top of the support frame, a pressing piece is rotatably and elastically arranged on the end of the piston rod of the downward pressure cylinder, a rotating piece driven by a stepping motor is rotatably arranged on the first rotating shaft, and a A shifting assembly is arranged on the rear side, and a drilling assembly and a driving assembly connected to the first rotating shaft are arranged on the supporting frame. The rotating member first drives the shifting assembly to grab the barrel body and the barrel body, and grabs the barrel body and the barrel body to the top of the turntable and the right conveyor belt respectively. The downward pressure cylinder drives the clamping member to press down the barrel body, and the barrel body is pressed against the barrel bottom positioned on the turntable by the positioning block. The rotating member drives the drilling assembly to drill holes in the side wall of the barrel body. The rotating member then drives the turntable, the barrel body and the barrel bottom to rotate together through the driving assembly, and the welding gun welds the connection between the barrel body and the barrel bottom.

2. A welding device for a vacuum cleaner barrel as claimed in claim 1, characterized in that: A vertical block is vertically arranged at the upper end of the base, a sliding rod is elastically slidably mounted on the vertical block, a V-shaped block is connected to the right end of the sliding rod, a chamfer is arranged at the right end of the V-shaped block, and a V-shaped groove locked by the V-shaped block is opened on the side wall of the first rotating shaft.

3. A welding device for a vacuum cleaner barrel as claimed in claim 1, characterized in that: The rotating part consists of a middle rotating drum connected to a driven gear on the lower side and an incomplete gear on the upper side. A driving gear meshing with the driven gear is keyed to the output shaft of the stepper motor. The side wall of the rotating drum extends backward to form a push bar. A fixing ring is provided in the middle of the upper end of the incomplete gear, and partial teeth are provided on the inner wall of the fixing ring.

4. A welding device for a vacuum cleaner barrel as claimed in claim 3, characterized in that: The shift assembly includes a locking gear that matches the incomplete gear, a first gear is coaxially connected to the upper side of the locking gear, a second gear is connected to the right side of the first gear through a toothed belt, a track is horizontally arranged above the base, a second rotating shaft that can be keyed to the second gear is rotatably arranged in the middle of the track, a driving rod with a sliding groove is keyed to the upper end of the second rotating shaft, a sliding column that slides along the track is slidably provided at the slide groove, a longitudinal bar that fits above the track is provided on the sliding column, two left-right symmetrical clamping cylinders are connected to the longitudinal bar, and an arc-shaped clamping block for clamping the barrel body is connected to the piston rod of the clamping cylinder.

5. A welding device for a vacuum cleaner barrel as claimed in claim 4, characterized in that: A first slide rail is transversely arranged at the left end of the track, a return block is slidably fitted on the first slide rail, and the longitudinal bar is slidably fitted on the return block so as to move forward and backward.

6. A welding device for a vacuum cleaner barrel as claimed in claim 3, characterized in that: The drilling assembly includes a second slide rail arranged on the support frame, a drilling rig is slidably mounted on the first slide rail and can move forward and backward, a lifting rod pushed by the push bar is twisted at the first slide rail, a guide groove is provided at the upper end of the lifting rod, and a guide column slidably mounted in the guide groove is provided on the side wall of the drilling rig.

7. A welding device for a vacuum cleaner barrel as claimed in claim 6, characterized in that: The tilting rod is composed of a fixed column on the right side connecting two front-to-back symmetrical bending rods, the guide groove is opened on the upper side of the bending rod, and the fixed column is pushed by the pushing bar.

8. A welding device for a vacuum cleaner barrel as claimed in claim 3, characterized in that: The driving assembly includes a flat plate connected to the rear end of the support frame, the arc-shaped positioning blocks are arranged on the front and rear sides of the flat plate, a third gear that can be driven by the partial teeth is rotatably arranged below the flat plate, and a fourth gear that meshes with the third gear is keyed to the first rotating shaft.

9. A welding device for a vacuum cleaner barrel as claimed in claim 1, characterized in that: The clamping member is composed of a pressure plate on the upper side connected to a positioning column coaxially arranged on the lower side, the side wall of the positioning column is provided with an annular avoidance groove, the bottom of the clamping member is provided with a through hole, and the middle of the lower end of the positioning column is provided with a groove.

10. The welding device for a vacuum cleaner barrel according to claim 1, characterized in that: A telescopic groove with a T-shaped cross section is provided at the end of the piston rod of the downward-pressing cylinder, a telescopic rod is slidably arranged in the telescopic groove, an elastic member sleeved on the outside of the telescopic rod is arranged between the telescopic rod and the clamping member, and the clamping member is connected to the end of the telescopic rod.

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