A welding device for a vacuum cleaner barrel

Abstract

The present invention provides a welding device for a vacuum cleaner barrel body, including a base and a support frame. On the left and right sides of the base, a left conveyor belt and a right conveyor belt are respectively arranged. Above the rear end of the left conveyor belt, a stop bar is horizontally arranged. On the base, a first rotating shaft is rotatably arranged, and a turntable is coaxially arranged on the first rotating shaft. Above the base, a positioning block is arranged in front of and behind the turntable, and a welding gun is arranged on the left side of the turntable. At the top end of the support frame, a downward pressing cylinder is arranged, and at the end of the piston rod of the downward pressing cylinder, a pressing member is rotatably and elastically telescopically arranged. On the first rotating shaft, a rotating member driven by a stepping motor is rotatably arranged. The advantages of the present invention are as follows: It can automatically complete the grasping and displacement of the barrel body and the barrel bottom. After the pressing member presses the barrel body against the barrel bottom, holes are drilled in the barrel body, and the welding gun welds the barrel body and the barrel bottom rotating with the turntable, with high automation and improved efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of vacuum cleaners, and particularly relates to a welding device for the barrel of a vacuum cleaner. Background Art

[0002] A vacuum cleaner is a commonly used cleaning device for cleaning indoor dust and small debris. It is a commonly used electrical appliance in daily life. It uses an electric motor to drive the blades to rotate at high speed, generating a negative air pressure in a sealed housing to suck dust debris. The barrel of the vacuum cleaner needs to be drilled to serve as the installation hole for the dust inlet pipe. Generally, the barrel body is very thin. Workers place the barrel body at the drilling position, firmly fix it, and fill the inside of the barrel body to prevent the barrel body from deforming. Then, a drilling machine drills the barrel body. Next, 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. Workers hold a welding torch to perform circumferential welding on the connection between the barrel body and the barrel bottom. The steps are numerous and the efficiency is low. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a welding device for the barrel of a vacuum cleaner, which can automatically complete the grasping and shifting of the barrel body and the barrel, the pressing member presses the barrel body against the barrel bottom and then drills the barrel body, and the welding torch 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 the barrel of a vacuum cleaner, including a base 1 and a support frame 4. On the left and right sides of the base 1, a left conveyor belt and a right conveyor belt are respectively arranged. Horizontally on the upper side of the rear end of the left conveyor belt is a stop bar 18. On the base 1, a first rotating shaft is rotatably arranged, and coaxially on the first rotating shaft is a turntable 3. Above the base 1, there are positioning blocks 2 in front of and behind the turntable 3, and a welding torch 17 on the left side of the turntable 3. At the top of the support frame 4, a downward pressing cylinder 5 is arranged downward. At the end of the piston rod of the downward pressing cylinder 5, a pressing member 6 is rotatably and elastically telescopically arranged. Rotatably arranged on the first rotating shaft is a rotating member 9 driven by a stepping motor 7. At the rear side of the upper end of the base 1 is a shifting assembly 10. On the support frame 4, a drilling assembly 11 and a driving and rotating assembly connected to the first rotating shaft are arranged. The rotating member 9 first drives the shifting assembly 10 to grasp the barrel body and the barrel, and respectively grabs the barrel body and the barrel to above the turntable 3 and the right conveyor belt. The downward pressing cylinder 5 drives the pressing 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 the side wall of the barrel body. Then, the rotating member 9 drives the turntable 3, the barrel body and the barrel bottom to rotate together through the driving and rotating assembly, and the welding torch 17 welds the connection between the barrel body and the barrel bottom.

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

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

[0007] Further, the shifting assembly 10 includes a locking gear 10.1 cooperating with the incomplete gear 9.3. A first gear 10.2 is coaxially connected to the upper side of the locking gear 10.1. The right side of the first gear 10.2 is connected to a second gear 10.3 through a toothed belt. A track 10.4 is horizontally provided above the base 1. A second rotating shaft for keying the second gear 10.3 is rotatably provided in the middle of the track 10.4. A driving rod 10.5 with a chute is keyed on the upper end of the second rotating shaft. A sliding column sliding along the track 10.4 is slidably fitted in the chute. A longitudinal bar 10.6 fitting above the track 10.4 is provided on the sliding column. Two symmetrically arranged clamping cylinder 10.7 are connected to the longitudinal bar 10.6. A clamping block 10.8 for clamping the barrel body and in an arc shape is connected to the piston rod of the clamping cylinder 10.7.

[0008] Further, a first sliding rail is horizontally provided at the left end of the track 10.4. A loop-shaped block is slidably fitted on the first sliding rail. The longitudinal bar 10.6 is slidably fitted in the loop-shaped block for front-back movement.

[0009] Further, the drilling assembly 11 includes a second sliding rail 11.3 provided on the support frame 4. A drilling machine 11.4 is slidably fitted on the second sliding rail 11.3 for front-back movement. A lever 11.1 twisted at the second sliding rail 11.3 and pushed by the push bar 9.4 is provided. A guide groove is provided at the upper end of the lever 11.1. A guide post 11.2 slidably fitted in the guide groove is provided on the side wall of the drilling machine 11.4.

[0010] Further, the lever 11.1 is composed of a fixed column on the right side connecting two symmetrically arranged front-back bending bars. The guide groove is provided on the upper side of the bending bars. The fixed column is pushed by the push bar 9.4.

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

[0012] Further, the pressing member 6 is composed of a pressure plate 6.1 on the upper side and a positioning column 6.2 coaxially arranged on the lower side. An annular avoidance groove 6.3 is formed on the side wall of the positioning column 6.2. A through hole 6.4 is formed at the bottom of the pressing member 6. A groove 6.5 is formed in the middle at the lower end of the positioning column 6.2.

[0013] Further, a telescopic groove with a T-shaped cross section is formed at the end of the piston rod of the downward pressing air cylinder 5. A telescopic rod is slidably fitted in the telescopic groove. An elastic member sleeved on the telescopic rod is arranged between the telescopic rod and the pressing member 6. The pressing member 6 is connected to the end of the telescopic rod.

[0014] The advantages of the present invention are as follows: It can automatically complete the grasping and shifting of the barrel body and the barrel. After the pressing member presses the barrel body against the barrel bottom, a drill is used to drill the barrel body. A welding torch welds the barrel body and the barrel bottom that rotate with the turntable, with a high degree of automation and improved efficiency. The rotating cylinder rotates on the first rotating shaft, and the driven gear meshes with the driving gear driven by the stepping motor. The incomplete gear first drives the shifting assembly to grasp the barrel body and the barrel. The push bar can drive the drilling assembly to drill the side wall of the barrel body. Some teeth drive the turntable, the barrel body, and the barrel bottom to rotate together through the driving assembly. The V-shaped block locks the V-shaped groove and the first rotating shaft so that the drilling assembly can drill the barrel body pressed against the barrel bottom. The incomplete gear drives the locking gear to rotate. The locking gear drives the driving rod to rotate through the first gear, the toothed belt, the second gear, and the second rotating shaft. The sliding groove on the driving rod drives the sliding column to move along the track. The sliding column drives the clamping jaw cylinder to move forward first and then to the right through the longitudinal bar. The incomplete gear locks the locking gear, and then the incomplete gear drives the locking gear to rotate again. The sliding column drives the clamping jaw cylinder to move backward first and then to the left to reset through the longitudinal bar. The first sliding rail and the return-shaped block keep the longitudinal bar longitudinally arranged during the process of the sliding column sliding along the track. The push bar pushes the rocker. The guide groove of the rocker drives the drill to move backward along the second sliding rail through the guide post. The drill drills the barrel body pressed by the pressing member. After the push bar disengages from the rocker, the rocker resets under the action of the torsion spring. The guide groove of the rocker drives the drill to move forward and reset through the guide post. Some 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, the barrel body, and the pressing member on it to rotate. The pressing disc can press the barrel body against the barrel bottom. The positioning column can stabilize the upper part of the barrel body. The avoidance groove can avoid the drill bit during drilling. The perforation setting can allow air to pass through when the pressing member is pressed into the barrel body. The groove setting can reduce the weight of the pressing member. The telescopic rod rotates and elastically expands and contracts on the piston rod of the downward pressing cylinder so that the pressing member elastically presses against the barrel body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a perspective view of the present invention;

[0016] Figure 2 is a structural schematic diagram of the present invention;

[0017] Figure 3 is a front view of the present invention;

[0018] Figure 4 is a top view of the present invention;

[0019] Figure 5 is Figure 3 the A-A sectional view of;

[0020] Figure 6 is Figure 3 the B-B sectional view of;

[0021] Figure 7Schematic diagram of the structure of the present invention when the barrel body and the barrel bottom are properly placed;

[0022] Figure 8 Top view of the present invention when the rotating member rotates and grabs the barrel body and the barrel for displacement;

[0023] Figure 9 Cross-sectional view of the present invention when the rotating member rotates and grabs the barrel body and the barrel for displacement;

[0024] Figure 10 Cross-sectional view of the present invention when the pressing member presses the barrel body against the barrel bottom;

[0025] Figure 11 Cross-sectional view of the present invention when the rotating member rotates and the push bar disengages from the rocker;

[0026] Figure 12 Cross-sectional view of the present invention when the welding torch welds the rotating barrel body and the barrel bottom;

[0027] Figure 13 is Figure 2 Enlarged view of part C;

[0028] Figure 14 is Figure 5 Enlarged view of part D;

[0029] Figure 15 Schematic diagram of the structure of the pressing member of the present invention;

[0030] Figure 16 Schematic diagram of the structure of the rotating member of the present invention. Detailed implementation manners

[0031] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0032] Refer to Figures 1 to 16, the present invention provides a welding device for a vacuum cleaner barrel body, which includes a base 1 and a support frame 4. On the left and right sides of the base 1, a left conveyor belt and a right conveyor belt are respectively arranged. On the upper side of the rear end of the left conveyor belt, a stop bar 18 is horizontally arranged. The stop bar can position the barrel body on 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 vertical block 12 is vertically arranged at the upper end of the base 1. A sliding rod is elastically slidably fitted on the vertical block 12. The right end of the sliding rod is connected with a V-shaped block 13. The right end of the V-shaped block is provided with a rounded corner. A V-shaped groove locked by the V-shaped block 13 is opened on the side wall of the first rotating shaft. By locking the V-shaped groove and the first rotating shaft with the V-shaped block, the drilling assembly can drill the barrel body pressed against the barrel bottom without affecting the driving assembly to drive the turntable, the barrel body and the barrel bottom to rotate. Above the base 1, positioning blocks 2 are arranged in front of and behind the turntable 3, and a welding torch 17 is arranged on the left side of the turntable 3. The barrel bottom is placed on the turntable and its side wall fits against the front and rear positioning blocks. At the top of the support frame 4, a downward pressing cylinder 5 is arranged downward. The end of the piston rod of the downward pressing cylinder 5 is rotatably and elastically telescopically provided with a pressing member 6. A rotating member 9 driven by a stepping motor 7 is rotatably arranged on the first rotating shaft. A shifting assembly 10 is arranged at the rear side of the upper end of the base 1. A drilling assembly 11 and a driving assembly connected to the first rotating shaft are arranged on the support frame 4. The rotating member 9 first drives the shifting assembly 10 to grab the barrel body and the barrel, and grabs the barrel body and the barrel to above the turntable 3 and the right conveyor belt respectively. The downward pressing cylinder 5 drives the pressing member 6 to press down the barrel body. 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 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 torch 17 welds the connection between the barrel body and the barrel bottom. Place the barrel body on the left conveyor belt. The last barrel body leans against the stop bar. Place the barrel bottom on the turntable and position it by the positioning block. The stepping motor drives the rotating member to rotate. The rotating member first drives the shifting assembly to grab the barrel body on the left conveyor belt and the barrel completed welding on the turntable, and grabs the barrel body and the barrel to above the turntable and the right conveyor belt respectively to complete the shifting. The downward pressing cylinder drives the pressing member to press down the barrel body. The barrel body is elastically pressed against the barrel bottom on the turntable and the pressing member fills the inside of the barrel body. The shifting assembly releases the barrel body and the barrel. The left conveyor belt conveys the subsequent barrel bodies backward, and the right conveyor belt conveys the barrel away. The rotating member drives the drilling assembly to drill the side wall of the barrel body. The rotating member then drives the turntable, the barrel body, the barrel bottom and the pressing member to rotate together through the driving assembly. The welding torch welds the connection between the barrel body and the barrel bottom. At the same time, the rotating member drives the shifting assembly to reset, and the downward pressing cylinder drives the pressing member to rise and reset to release the barrel.

[0033] Refer to Figure 13 , Figure 16, the rotating member 9 is composed of a middle rotating cylinder 9.1 connecting a driven gear 9.2 at the lower side and an incomplete gear 9.3 at 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. A push bar 9.4 extends backward from the side wall of the rotating cylinder 9.1. A fixing ring 9.5 is arranged in the middle at the upper end of the incomplete gear 9.3, and partial teeth 9.6 are arranged on the inner wall of the fixing ring 9.5. The rotating cylinder rotates on the first rotating shaft. 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. The barrel body and the barrel are respectively grabbed above the turntable and on the right conveyor belt. The push bar can drive the drilling assembly to drill holes in 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 rotating driving assembly. The welding torch welds the connection between the barrel body and the barrel bottom. At the same time, the incomplete gear drives the shifting assembly again.

[0034] The shifting assembly 10 includes a locking gear 10.1 cooperating with the incomplete gear 9.3. A first gear 10.2 is coaxially connected to the upper side of the locking gear 10.1. 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. A second rotating shaft for keying the second gear 10.3 is rotatably arranged in the middle of the track 10.4. A driving rod 10.5 provided with a chute is keyed to the upper end of the second rotating shaft. A sliding column sliding along the track 10.4 is slidably fitted at the chute. A vertical bar 10.6 fitting above the track 10.4 is arranged on the sliding column. Two symmetrically arranged clamping jaw cylinders 10.7 are connected to the vertical bar 10.6. A clamping block 10.8 for clamping the barrel body and in an arc shape is connected to the piston rod of the clamping jaw cylinder 10.7. During the rotation of the rotating member, 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 chute on the driving rod drives the sliding column to move along the track. The sliding column drives the clamping jaw cylinder to move forward through the vertical bar (the clamping jaw cylinder drives the clamping block to clamp the barrel body and the whole body), and then move to the right (the clamping jaw cylinder grabs the barrel body and the barrel to above the turntable and on the right conveyor belt respectively). The incomplete gear locks the locking gear. Then the pressing cylinder drives the pressing member to press the clamped barrel body against the barrel bottom. The clamping block of the clamping jaw cylinder releases the barrel body and the barrel. The drilling assembly drills holes in the side wall of the barrel body. The rotating driving assembly drives the turntable, the barrel body and the barrel bottom to rotate together. The welding torch 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. The chute on the driving rod drives the sliding column to move along the track. The sliding column drives the clamping jaw cylinder to move backward through the vertical bar (to avoid the barrel body or the barrel), and then move to the left to reset.

[0035] A first sliding rail is horizontally arranged at the left end of the track 10.4. A return-shaped block is slidably fitted at the first sliding rail. The vertical bar 10.6 is slidably fitted in the return-shaped block for front-back movement. Through the first sliding rail and the return-shaped block, the vertical bar is kept vertically arranged during the sliding of the sliding column along the track.

[0036] The drilling assembly 11 includes a second slide rail 11.3 provided on the support frame 4. A drill 11.4 is slidably fitted on the second slide rail 11.3 for forward and backward movement. A lever 11.1 is torsionally connected at the second slide rail 11.3 and is pushed by a push bar 9.4. A guide groove is formed at the upper end of the lever 11.1, and a guide post 11.2 slidably fitted in the guide groove is provided on the side wall of the drill 11.4. When the rotating member rotates, the push bar pushes the lever. The guide groove of the lever drives the drill to move backward along the second slide rail through the guide post. The drill drills the barrel body pressed by the pressing member. The pressing member can stabilize the barrel body and avoid the drill bit. After the push bar disengages from the lever, the lever resets under the action of the torsion spring. The guide groove of the lever drives the drill to move forward and reset through the guide post.

[0037] The lever 11.1 is composed of two bent bars that are symmetrically arranged front and back and connected by a fixed column on the right side. The guide groove is formed on the upper side of the bent bar, and the fixed column is pushed by the push bar 9.4. The two bent bars can avoid the flat plate and be stable, and the bent bars can be close to the push bar so that the push bar can push the fixed column, thereby driving the lever to rotate.

[0038] The rotation driving assembly includes a flat plate 14 connected to the rear end of the support frame 4. Arc-shaped positioning blocks 2 are provided on the front and rear sides of the flat plate 14. A third gear 15 that can be driven by a part of a tooth 9.6 is rotatably provided below the flat plate 14. A fourth gear 16 meshing with the third gear 15 is keyed on the first rotating shaft. When the rotating member rotates, the part of the tooth of the rotating member drives 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 torch welds the connection between the barrel body and the barrel bottom.

[0039] See Figure 2 、 Figure 15 The pressing member 6 is composed of a pressure plate 6.1 on the upper side and a positioning column 6.2 coaxially arranged on the lower side. An annular avoidance groove 6.3 is formed on the side wall of the positioning column 6.2. A through hole 6.4 is formed at the bottom of the pressing member 6. A groove 6.5 is formed in the middle at the lower end of the positioning column 6.2. The pressure plate can press the barrel body against the barrel bottom, so that when the turntable rotates, the turntable drives the barrel bottom, barrel body, and pressing member to rotate together through friction. The positioning column can stabilize the upper part of the barrel body so that the drill can drill the barrel body. The avoidance groove can avoid the drill bit during drilling. The through hole is provided to allow air to pass through when the pressing member is pressed into the barrel body. The groove is provided to reduce the weight of the pressing member.

[0040] The end of the piston rod of the downward pressing air cylinder 5 is provided with a T-shaped expansion slot in cross section. A telescopic rod is slidably fitted in the expansion slot. An elastic member sleeved on the telescopic rod is provided between the telescopic rod and the pressing member 6. The pressing member 6 is connected to the end of the telescopic rod. The above setting can enable the telescopic rod to rotate and elastically expand and contract in the piston rod of the downward pressing air cylinder, so that the pressing member elastically presses against the barrel body, and the barrel body is elastically pressed against the barrel bottom. When the turntable rotates, the turntable will drive the barrel bottom, barrel body, pressing member, and telescopic rod to rotate together.

[0041] The specific working process of the present invention is as follows: Place the barrel body on the left conveyor belt, and the last barrel body leans against the stop bar. Place the barrel bottom on the turntable and position it with the positioning block. As Figure 7 shown, the stepping motor drives the rotating member 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 chute on the driving rod drives the sliding column to move along the track. The sliding column drives the clamping jaw cylinder to move forward through the longitudinal bar (the clamping jaw cylinder drives the clamping block to clamp the barrel body and the whole body), and then move to the right (the clamping jaw cylinder grabs the barrel body and the barrel respectively above the turntable and on the right conveyor belt). The incomplete gear locks the locking gear. As Figure 8 、 9 shown, then the pressing cylinder drives the pressing member to press the clamped barrel body against the barrel bottom. The clamping block of the clamping jaw cylinder releases the barrel body and the barrel. As Figure 10 shown, the push bar pushes the rocker arm. The guide groove of the rocker arm drives the drill to move backward along the second slide rail through the guide post. The drill drills the barrel body pressed by the pressing member. The pressing member can stabilize the barrel body and avoid the drill bit. After the push bar disengages from the rocker arm, the rocker arm resets under the action of the torsion spring. The guide groove of the rocker arm drives the drill to move forward and reset through the guide post. As Figure 11 shown, part of the 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. The welding torch 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. The chute on the driving rod drives the sliding column to move along the track. The sliding column drives the clamping jaw cylinder to move backward (to avoid the barrel body or the barrel) through the longitudinal bar, and then move to the left. As Figure 12 shown, after the welding is completed and the driving rod rotates one circle and resets, the rotating member rotates one circle and resets. The pressing cylinder drives the pressing member to rise and reset to release the barrel.

[0042] The above is only the preferred embodiment of the present invention. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present invention, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope 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 is rotatably arranged in the middle of the track, the second gear is keyed to the second rotating shaft, a driving rod with a sliding groove is keyed to the upper end of the second rotating shaft, a sliding column sliding along the track is slidably provided at the slide groove, a longitudinal bar fitted to the top of 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 second slide rail so as to move forward and backward, a lifting rod pushed by the push bar is twisted at the second 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 symmetrical bending rods in the front and rear directions. 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.

Images