CN115673608B - Straight welding machine - Google Patents

Straight welding machine Download PDF

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Publication number
CN115673608B
CN115673608B CN202211040591.6A CN202211040591A CN115673608B CN 115673608 B CN115673608 B CN 115673608B CN 202211040591 A CN202211040591 A CN 202211040591A CN 115673608 B CN115673608 B CN 115673608B
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rod
clamping
block
movable
fixedly connected
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CN115673608A (en
Inventor
任启彬
杨利
杨陈利
赵丽荣
郭少恒
郑元燕
郑华彪
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Jiaxing Walch Electric Co ltd
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Jiaxing Walch Electric Co ltd
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Abstract

The invention is suitable for the technical field of straight seam welding machines, and discloses a straight seam welding machine, which comprises a chassis, wherein the top of the chassis is fixedly connected with a working cavity through a bolt, a positioning cavity is arranged in the working cavity, a water heater shell is placed in the positioning cavity, a positioning strip for positioning a welding line of the water heater shell is fixedly connected to the bottom of the inner wall of the positioning cavity, a driving assembly for short-distance reciprocating driving is arranged in the working cavity, a guide rod is fixedly connected to the inner wall of the working cavity through the bolt, a movable frame is movably connected to the guide rod, turning gears on two sides are driven to rotate through toothed bars, and both turning gears on two sides can drive a fixing claw to turn downwards to fix the water heater shell entering the welding frame, so that the water heater shell can be ensured to be stable in the welding process, complicated steps of manual fixing are reduced, the efficiency of the water heater shell by equipment is improved, and the yield is further improved.

Description

Straight welding machine
Technical Field
The invention relates to the technical field of straight welding machines, in particular to a straight welding machine.
Background
When the existing straight seam welder is used for carrying out straight seam welding on a water heater shell, manual single manual feeding and discharging are usually needed, butt seam and fixation are needed through manual feeding and discharging, the process is very complicated, offset is easy to occur in the butt seam process, the water heater shell cannot be effectively welded in the fixed straight seam welding process after offset, defective products are further generated, waste is caused when raw materials of the water heater shell are processed, manual release of fixation on the water heater shell is needed in the discharging process, further manual labor intensity is high, efficiency is low easily caused by long-time work, and the problem of low yield is solved.
For this purpose, a seam welder is proposed.
Disclosure of Invention
The present invention is directed to a seam welder, which solves the above-mentioned problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a straight welding machine, includes the chassis, the top of chassis is through bolt fixedly connected with working chamber, the inside of working chamber is provided with the location chamber, the inside of location chamber has been placed the water heater shell, the inner wall bottom fixedly connected with of location chamber is used for the location strip of water heater shell welding seam, the inside of working chamber is provided with the drive assembly who is used for short distance reciprocating drive, the inner wall of working chamber passes through bolt fixedly connected with guide bar, swing joint has the adjustable shelf on the guide bar, the upper end of adjustable shelf is provided with the upset subassembly, fixedly connected with upset piece on the upset subassembly, the inside of upset piece is provided with the clamping assembly who is used for the centre gripping fixed water heater shell, be provided with the clamping block on the clamping assembly, the upper surface fixedly connected with weld holder of chassis, the inboard of weld holder is used for holding up the bracket of water heater shell through fixed plate fixedly connected with, the top of weld holder is through bolt fixedly connected with guide bar, the vertical through-going through in upper surface middle part of roof has the groove, the welding mechanism is used for the fixed connection of roof and the fixed device of the roof, the fixed device is limited by the roof fixed establishment of the fixed connection of the roof, the fixed establishment of the limit is used for the fixed establishment of the roof fixed establishment.
Preferably, the driving assembly comprises a driving device, a driving tooth, a chain, a guide block and a guide groove, wherein the driving device is fixedly connected in the working cavity, the driving tooth is fixedly connected to the output end of the top of the driving device, the chain is in transmission connection with the outer wall of the driving tooth, the guide block is fixedly connected to the top of the chain, the guide groove is formed in the bottom of the movable frame, and the guide block is movably connected in the guide groove.
Preferably, the turnover assembly comprises a control groove, a turnover rod and a control rod, wherein the control groove is formed in the inner wall of the working cavity, the turnover rod is movably connected to the upper end of the movable frame, the two ends of the turnover rod are fixedly connected with the control rod used for driving the turnover rod to rotate, and the outer side of the control rod is movably connected to the inside of the control groove.
Preferably, the clamping assembly comprises a movable cavity, clamping gears, a push-pull rod, a movable rod, a connecting rod, second magnetic blocks and clamping toothed plates, wherein the movable cavity is formed in the overturning block, the clamping gears are symmetrically and rotatably connected in the movable cavity, the inner sides of the clamping gears are hinged to the push-pull rod with push-pull clamping gear movements, the inner sides of the push-pull rods are hinged to the outer wall of the movable rod, the inner sides of the movable rod are fixedly connected with the second magnetic blocks used for driving the movable rod to move through the connecting rod, the clamping toothed plates are movably connected in the movable cavity, the inner sides of the clamping toothed plates are meshed with the clamping gears, and the clamping blocks are fixedly connected to the outer sides of the clamping toothed plates.
Preferably, the fixed subassembly includes movable groove, drive gear, transmission rack bar and upset gear, the movable groove transversely runs through and sets up on the outer wall of roof, drive gear rotates the inside of connecting at the movable groove, two the equal swing joint of transmission rack bar is in the inside of movable groove, two the inboard end of transmission rack bar all meshes with drive gear each other, upset gear rotates the both ends of connecting at the roof, two the outside end of transmission rack bar all meshes with two upset gears each other, fixed pawl fixed connection is at the middle part of upset gear.
Preferably, the clamping assembly comprises a clamping rod, a boss, a first spring, a first movable block, a first clamping block, a second spring, a second movable block and a second clamping block, wherein the clamping rod is fixedly connected to the outer side of a transmission toothed bar, the boss is fixedly connected to the outer wall of a top plate, the clamping rod is movably connected to the inner side of the boss, the bottom of the first spring is fixedly connected to the inner side of the boss, the top of the first spring is fixedly connected to the outer side of the first movable block, the first movable block is movably connected to the inner side of the boss, the first clamping block is elastically connected to the top of the first movable block, the top of the second spring is fixedly connected to the inner side of the boss, and the bottom of the second spring is fixedly connected to the outer side of the second movable block.
Preferably, the control assembly comprises a first magnetic block, a pushing groove, a sliding groove block, a sliding rod, a telescopic rod, a third magnetic block, a third spring, a pushing plate and a fourth magnetic block, wherein the first magnetic block is fixedly connected to the outer wall of the movable frame, the pushing groove is formed in the second movable block, the sliding groove block is fixedly connected to the outer wall of the top plate, the sliding rod is movably connected to the inner part of the sliding groove block, the telescopic rod for pushing the clamping rod is movably connected to the inner side of the sliding rod, the third magnetic block is fixedly connected to the inner side of the telescopic rod, the third spring is arranged between the third magnetic block and the sliding rod, the pushing plate is fixedly connected to the outer side of the sliding rod, the bottom of the pushing plate is movably connected to the outer wall of the guide rod, and the fourth magnetic block is fixedly connected to the bottom of the pushing plate.
Preferably, the middle part of control groove is provided with the recess that sags, and the control lever can enter into the recess and then realize the effect of upset to the motion at the in-process of the inside motion of control groove, the inboard of grip block sets up to the circular-arc with water heater shell shape looks adaptation, plays the effect that can laminate the water heater shell and carry out the centre gripping, the inboard of stationary dog sets up to the circular-arc with water heater shell looks adaptation, plays the effect that can laminate the water heater shell and fix.
Preferably, the material of kelly sets up to iron, plays the effect that can be inhaled by third magnetic path magnetism, the bottom of first movable block is provided with the inclined plane that leans upward, plays the effect that can be upwards promoted by the slide bar, the inside of pushing away the groove is provided with the inclined plane that leans upward forty-five degrees, plays the effect that can upwards promote by the slide bar, the inboard of slide bar is provided with the stock of two different length, plays the effect that can promote first movable block and second movable block upward movement simultaneously, the fourth magnetic path is different with the magnetism of first magnetic path opposite face, plays the driven effect that can inhale magnetically.
Compared with the prior art, the invention has the beneficial effects that:
1. the turnover gears on the two sides are driven to rotate through the toothed bars, the turnover gears on the two sides can drive the fixed claws to turn downwards to fix the water heater shell entering the welding frame, so that the water heater shell can be ensured to be stable in the welding process, complicated steps of manual fixing are reduced, the welding efficiency of equipment to the water heater shell is improved, and the yield is further improved;
2. the first movable block is pushed to move upwards and stretch the first spring under the action of the long rod under the sliding rod, the first movable block moves upwards and drives the first clamping block to move upwards, and then the clamping rod moving to the inner side of the boss can be clamped, so that the clamping rod cannot be effectively fixed under the action of elastic connection of the third spring, the problem that the fixing is unstable when the water heater shell is subsequently fixed can be avoided, and the fixing effectiveness of the subsequent fixing claw to the water heater shell is improved;
3. the welding seam of the water heater shell is downwards placed in the positioning cavity, so that the welding seam position of the water heater shell is in contact with the positioning strip, the water heater shell is positioned, the subsequent feeding is performed, the preliminary positioning function is achieved, the problem that effective welding cannot be performed due to the fact that the welding seam position is deviated after feeding is prevented, meanwhile, the problem that defective products occur due to welding errors is reduced, and the problem of raw material waste of the water heater shell is reduced;
4. the clamping toothed plate is driven to polymerize towards the middle in the middle of the movable cavity in the process of rotating the clamping gear towards the inner side, the water heater shell is driven to move upwards in the process of polymerizing and clamping the clamping block towards the middle, further the problem of loosening of clamping caused by friction between the water heater shell and the inner wall of the positioning cavity in the subsequent carrying process is prevented, the clamping toothed plate drives the clamping block to polymerize towards the middle to clamp the water heater shell, further the water heater shell can be fixed in the carrying process, loosening in the carrying process is prevented, and the problem of dislocation deviation of the welding seam position of the water heater shell caused by loosening is avoided;
5. the turnover block drives the water heater shell to turn over simultaneously through the clamping assembly in the rotation process of the turnover rod, so that the welding seam position of the water heater shell faces upwards, welding of a welding gun to the welding seam is facilitated, the turnover block drives the water heater shell to move into the welding frame through the clamping assembly in the continuous movement process of the turnover rod, the water heater shell can be stably welded in the welding frame under the abutting action of the bracket, and meanwhile, the water heater shell is effectively lifted to a certain degree and is stable;
6. the welded water heater shell is pushed by the subsequently carried water heater shell, so that the welded water heater shell moves outwards from the bracket, the automatic discharging effect is realized, the step of manual discharging is effectively reduced, the efficiency of the whole welding process is improved, the accuracy of the welding process of the water heater shell can be improved, and the welding quality is improved through mechanical carrying.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a partial perspective view of the internal structure of the drive assembly of the present invention;
FIG. 3 is a partial perspective view of the internal structure of the turnover assembly and the clamping assembly of the present invention;
FIG. 4 is an enlarged schematic view of the structure A in FIG. 3 according to the present invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 3B according to the present invention;
FIG. 6 is a partial perspective view of a partial structure of the turnover assembly and turnover block of the present invention;
FIG. 7 is a perspective view showing the relationship between the internal structure of the positioning cavity and the housing of the water heater;
FIG. 8 is a partial perspective view of the internal structure of the fixing assembly of the present invention;
FIG. 9 is an enlarged schematic view of the structure of FIG. 8C according to the present invention;
FIG. 10 is a schematic partial perspective view of the internal structure of the clamping assembly and the control assembly of the present invention;
fig. 11 is an enlarged schematic view of the structure at D in fig. 10 according to the present invention.
In the figure: 1. a chassis; 2. a working chamber; 3. a positioning cavity; 4. a positioning strip; 5. a water heater housing; 6. a driving device; 7. a drive tooth; 8. a chain; 9. a guide block; 10. a guide rod; 11. a movable frame; 12. a first magnetic block; 13. a guide groove; 14. a control groove; 15. turning over the rod; 16. a control lever; 17. a turnover block; 18. a movable cavity; 19. clamping the gear; 20. a push-pull rod; 21. a movable rod; 22. a connecting rod; 23. a second magnetic block; 24. clamping toothed plates; 25. a clamping block; 26. a welding frame; 27. a fixing plate; 28. a bracket; 29. a top plate; 30. a welding groove; 31. a movable groove; 32. a transmission gear; 33. a transmission toothed bar; 34. a turnover gear; 35. a fixed claw; 36. a clamping rod; 37. a boss; 38. a first spring; 39. a first movable block; 40. a first clamping block; 41. a second spring; 42. a second movable block; 43. a pushing groove; 44. a second clamping block; 45. a chute block; 46. a slide bar; 47. a telescopic rod; 48. a third magnetic block; 49. a third spring; 50. a push plate; 51. and a fourth magnetic block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
Referring to fig. 1 to 11, the present invention provides a technical solution:
example 1
Referring to fig. 1 to 11, a straight welding machine comprises a chassis 1, a working chamber 2 is fixedly connected to the top of the chassis 1 through bolts, a positioning chamber 3 is arranged in the working chamber 2, a water heater shell 5 is arranged in the positioning chamber 3, a positioning strip 4 for positioning a welding seam of the water heater shell 5 is fixedly connected to the bottom of the inner wall of the positioning chamber 3, a driving component for short-distance reciprocating driving is arranged in the working chamber 2, a guide rod 10 is fixedly connected to the inner wall of the working chamber 2 through bolts, a movable frame 11 is movably connected to the guide rod 10, a turnover component is arranged at the upper end of the movable frame 11, a turnover block 17 is fixedly connected to the turnover component, a clamping component for clamping and fixing the water heater shell 5 is arranged in the turnover block 17, a clamping block 25 is arranged on the clamping component, the inner side of the clamping block 25 is arranged in an arc shape matched with the water heater shell 5, playing the role of clamping the water heater shell 5, the upper surface of the chassis 1 is fixedly connected with a welding frame 26, the inner side of the welding frame 26 is fixedly connected with a bracket 28 for lifting the water heater shell 5 through a fixing plate 27, the top of the bracket 28 is fixedly connected with the inner side of the fixing plate 27, the top of the welding frame 26 is fixedly connected with a top plate 29 through bolts, the middle part of the upper surface of the top plate 29 vertically penetrates through a welding groove 30, both ends of the top plate 29 are respectively provided with a fixing component for fixing the water heater shell 5 in a welding way, a fixing claw 35 is arranged under the fixing component, the inner side of the fixing claw 35 is arranged in an arc shape matched with the water heater shell 5, the water heater shell 5 can be lifted for fixing, limiting mechanisms for limiting the fixing state of the fixing component are symmetrically and fixedly connected to the outer side of the top plate 29, the limiting mechanism comprises a clamping assembly and a control assembly.
When the water heater shell 5 is in operation, the water heater shell 5 is placed in the positioning cavity 3, the position of the water heater shell 5, which is required to be welded, is aligned with the positioning strip 4, the welding seam can be effectively aligned with the welding gun when the water heater shell 5 is welded conveniently, the movable frame 11 is driven by the driving component to move on one side of the water heater shell 5 on the guide rod 10, the clamping component is contacted with the water heater shell 5, the clamping block 25 on the clamping component clamps the water heater shell 5 by extrusion, the movable frame 11 is driven by the driving component to move on the guide rod 10 to one side of the welding frame 26, the clamping block 17 is driven by the overturning component to overturn the clamping component, the water heater shell 5 is driven by the clamping block 25 on the clamping component to overturn, the position of the water heater shell 5, which is required to be welded, is further upwards, when the water heater shell 5 is driven by the overturning block 17 through the clamping component to enter the welding frame 26, at this time, the bottom of the water heater shell 5 is abutted with the upper surface of the bracket 28, so as to support the water heater shell 5, when the water heater shell 5 completely enters the welding frame 26, the movable frame 11 pushes the control component to move, the control component pushes the clamping component to drive the fixing component to fix the fixing claw 35 on the bottom of the welding groove 30, at this time, because the welding gun is externally connected with the top of the welding groove 30, the welding seam of the water heater shell 5 is welded through the welding gun, at the same time, after the welding is finished, the movable frame 11 is driven by the driving component to move towards one side of the positioning cavity 3 on the guide rod 10, at this time, the movable frame 11 can drive the control component to pull the clamping component to enable the fixing claw 35 on the fixing component to turn upwards, at this time, the fixing claw 35 releases the fixing of the water heater shell 5, when the movable frame 11 moves to one side of the positioning cavity 3, the clamping assembly enables the clamping block 25 to clamp the water heater shell 5, the water heater shell 5 can be left on the bracket 28, and meanwhile, the operation can be repeated to push the welded water heater shell 5 to leave the inside of the bracket 28 through the subsequent water heater shell 5, so that the automatic feeding and discharging effects are achieved.
Example two
Referring to fig. 1 to 7, the driving assembly includes a driving device 6, a driving tooth 7, a chain 8, a guide block 9 and a guide groove 13, wherein the driving device 6 is fixedly connected inside the working cavity 2, the driving tooth 7 is fixedly connected to an output end at the top of the driving device 6, the chain 8 is in transmission connection with an outer wall of the driving tooth 7, the guide block 9 is fixedly connected to the top of the chain 8, the guide groove 13 is formed at the bottom of the movable frame 11, and the guide block 9 is movably connected inside the guide groove 13.
Preferably, the upset subassembly includes control tank 14, upset pole 15 and control rod 16, control tank 14 is offered on the inner wall of working chamber 2, the middle part of control tank 14 is provided with the recess that falls, control rod 16 can enter into the recess and then realize the effect of upset to the motion in the inside in-process of control tank 14, upset pole 15 swing joint is in the upper end of fly frame 11, the equal fixedly connected with in both ends of upset pole 15 is used for driving upset pole 15 pivoted control rod 16, the outside swing joint of control rod 16 is in the inside of control tank 14.
Preferably, the clamping assembly comprises a movable cavity 18, clamping gears 19, a push-pull rod 20, a movable rod 21, a connecting rod 22, a second magnetic block 23 and a clamping toothed plate 24, wherein the movable cavity 18 is arranged in the overturning block 17, the clamping gears 19 are symmetrically and rotationally connected in the movable cavity 18, the inner sides of the two clamping gears 19 are hinged with the push-pull rods 20 with the push-pull clamping gears 19 moving, the inner sides of the two push-pull rods 20 are hinged with the outer wall of the movable rod 21, the inner sides of the movable rod 21 are fixedly connected with the second magnetic block 23 for driving the movable rod 21 to move through the magnetic attraction of the connecting rod 22, the clamping toothed plate 24 is movably connected in the movable cavity 18, the inner sides of the clamping toothed plate 24 are meshed with the clamping gears 19, and the clamping block 25 is fixedly connected with the outer sides of the clamping toothed plate 24.
When the water heater is used, the welding seam of the water heater shell 5 is downwards placed in the positioning cavity 3, so that the welding seam of the water heater shell 5 is in contact with the positioning strip 4, the water heater shell 5 is further positioned, the driving teeth 7 rotate under the action of the driving device 6, the driving teeth 7 drive the guide blocks 9 to move towards one side of the positioning cavity 3 through the chains 8, the guide blocks 9 drive the movable frame 11 to move towards one side of the positioning cavity 3 on the outer wall of the guide rod 10 through the guide grooves 13, during the movement of the movable frame 11, the movable frame 11 drives the control rod 16 to move towards one side of the positioning cavity 3 in the control groove 14 through the turnover rod 15, the control rod 16 moves towards the control groove 14, the turnover rod 15 still moves, and the control rod 16 is pulled to move upwards from the concave position of the control groove 14 by the turnover rod 15, in the process, the turnover rod 15 rotates for one hundred eighty degrees, the turnover rod 15 drives the turnover block 17 to turn over for one hundred eighty degrees, the turnover block 17 turns over to enable the clamping block 25 to face the water heater shell 5, the turnover block 17 is close to the water heater shell 5 in the continuous movement process of the movable frame 11, meanwhile, the turnover block 17 enables the second magnetic block 23 to be in contact with the edge of the water heater shell 5, the second magnetic block 23 absorbs heat of the water heater shell 5 magnetically, in the movement process, the second magnetic block 23 is extruded, the second magnetic block 23 moves towards the inside of the movable cavity 18, the movable rod 21 is pushed to move towards the outside of the movable cavity 18 through the connecting rod 22, the movable rod 21 pulls the clamping gear 19 to rotate towards the inner side through the push-pull rod 20, further, the clamping toothed plate 24 is driven to be polymerized in the middle inside of the movable cavity 18 in the inward side rotation process of the clamping gear 19, in the middle polymerization and clamping of the clamping block 25, the water heater housing 5 is driven to move upwards, and the clamping toothed plate 24 drives the clamping block 25 to converge towards the middle to clamp the water heater housing 5.
In the process of continuously driving the driving teeth 7 to rotate of the driving device 6, the driving teeth 7 enable the chain 8 to drive the guide block 9 to reciprocate, the guide block 9 drives the movable frame 11 to move to one side of the welding frame 26 on the outer wall of the guide rod 10 through the guide groove 13, the movable frame 11 drives the turnover block 17 to move to one side of the welding frame 26 through the turnover rod 15, the turnover block 17 drives the water heater shell 5 to move through the clamping assembly, the control rod 16 moves downwards under the action of the groove in the control groove 14 in the moving process, at the moment, the turnover rod 15 rotates ninety degrees, the control rod 16 is pulled to move upwards from the groove in the control groove 14 in the continuous moving process of the turnover rod 15, at the moment, the turnover rod 15 rotates ninety degrees again, and in the rotating process of the turnover rod 15, the turnover block 17 drives the water heater shell 5 to turn over through the clamping assembly at the same time, and the welding seam position of the water heater shell 5 faces upwards.
Example III
Referring to fig. 8 to 11, the fixing assembly includes a movable slot 31, a driving gear 32, a driving toothed bar 33 and a turning gear 34, the movable slot 31 is transversely penetrated and arranged on the outer wall of the top plate 29, the driving gear 32 is rotatably connected in the movable slot 31, the two driving toothed bars 33 are movably connected in the movable slot 31, the inner ends of the two driving toothed bars 33 are meshed with the driving gear 32, the turning gear 34 is rotatably connected at two ends of the top plate 29, the outer ends of the two driving toothed bars 33 are meshed with the two turning gears 34, and the fixing claw 35 is fixedly connected in the middle of the turning gear 34.
The joint subassembly includes clamping bar 36, boss 37, first spring 38, first movable block 39, first fixture block 40, second spring 41, second movable block 42, and second fixture block 44, clamping bar 36 fixed connection is in the outside of transmission toothed bar 33, clamping bar 36's material sets up to iron, play the effect that can be inhaled by third magnetic path 48 magnetism, boss 37 fixed connection is at the outer wall of roof 29, clamping bar 36 swing joint is in boss 37's inside, the inside fixed connection of the bottom of first spring 38 and boss 37, the outside fixed connection of the top of first spring 38 and first movable block 39, first movable block 39 swing joint is in boss 37's inside, the bottom of first movable block 39 is provided with the inclined plane that leans upward, play the effect that can upwards promote by slide bar 46, first fixture block 40 elastic connection is at the top of first movable block 39, the top fixed connection of second spring 41 is in boss 37's inside, the bottom of second spring 41 and the outside fixed connection of second movable block 42, second fixture block 44 elastic connection is at the bottom of second movable block 42.
The control assembly comprises a first magnetic block 12, a pushing groove 43, a sliding groove 45, a sliding rod 46, a telescopic rod 47, a third magnetic block 48, a third spring 49, a push plate 50 and a fourth magnetic block 51, wherein the first magnetic block 12 is fixedly connected to the outer wall of the movable frame 11, the pushing groove 43 is formed in the second movable block 42, an inclined plane inclining upwards by forty-five degrees is arranged in the pushing groove 43, the sliding groove 46 can push upwards, the sliding groove 45 is fixedly connected to the outer wall of the top plate 29, the sliding rod 46 is movably connected to the inner side of the sliding rod 46, two long rods with different lengths are arranged on the inner side of the sliding rod 46, the first movable block 39 and the second movable block 42 can be pushed upwards simultaneously, the telescopic rod 47 for pushing the clamping rod 36 is fixedly connected to the inner side end of the telescopic rod 47, the third spring 49 is arranged between the third magnetic block 48 and the sliding rod 46, the push plate 50 is fixedly connected to the outer side end of the push plate 46, the bottom of the push plate 50 is movably connected to the outer wall of the guide rod 10, and the fourth magnetic block 51 can be opposite to the fourth magnetic block 51, and the fourth magnetic block 51 can be fixedly connected to the bottom of the fourth magnetic block 51.
When the water heater is used according to the local working principle, the movable frame 11 drives the first magnetic block 12 and the fourth magnetic block 51 to magnetically attract, the push plate 50 is pushed to move towards the middle of the top plate 29 by the first magnetic block 12 and the fourth magnetic block 51 in the moving process of the movable frame 11, the push plate 50 pushes the slide rod 46 to move towards the inner side of the boss 37 in the sliding groove block 45, the third spring 49 is extruded by the slide rod 46 when the slide rod 46 is pushed, the third magnetic block 48 does not push the clamping rod 36, when the water heater shell 5 completely enters the middle of the welding frame 26, the slide rod 46 enters the inner part of the boss 37, when the upper short rod of the slide rod 46 contacts with the inner part of the pushing groove 43, the second movable block 42 moves upwards and compresses the second spring 41 by the pushing groove 43 after the short rod on the slide rod 46 contacts with the inner part of the pushing groove 43, meanwhile, the second movable block 42 drives the second clamping block 44 to move upwards and then cannot be clamped with the clamping rod 36, the third spring 49 stretches to enable the third magnetic block 48 to push the clamping rod 36 to move towards the inside of the boss 37, at the moment, the lower long rod of the sliding rod 46 contacts with the bottom of the first movable block 39, the first movable block 39 is pushed to move upwards and stretch the first spring 38 under the action of the lower long rod of the sliding rod 46, the first movable block 39 moves upwards and drives the first clamping block 40 to move upwards, the clamping rod 36 moving towards the inner side of the boss 37 is clamped, in the process that the clamping rod 36 moves towards the inner side of the boss 37, the clamping rod 36 drives the transmission toothed bar 33 to move outwards in the inside of the movable groove 31, the transmission toothed bar 33 can move towards two sides under the action of the transmission gear 32, the turnover gears 34 on two sides can be driven to rotate, the turnover gears 34 on two sides can drive the fixed claws 35 to turn downwards, further, the water heater housing 5 which has entered the inside of the weld holder 26 can be fixed.
General principle of operation: in the initial state, the chain 8 makes the movable frame 11 be in the middle part of the guide rod 10 through the guide block 9, at this time, the clamping block 25 faces one side of the welding frame 26, the second magnetic block 23 is at the outermost side, the second magnetic block 23 drives the movable rod 21 to be at the innermost side through the connecting rod 22, the movable rod 21 pushes the clamping gear 19 through the push-pull rod 20 to enable the clamping toothed plate 24 to be at the outermost side, the clamping toothed plate 24 drives the clamping block 25 to be at the outermost side, the transmission toothed rod 33 is at the innermost side of the movable groove 31, the transmission toothed rod 33 enables the fixed claw 35 to be at the highest position through the turning gear 34, the first spring 38 is in the normal state to enable the first movable block 39 to be at the lowest position, the second spring 41 is in the normal state to enable the second movable block 42 to be at the lowest position, the clamping rod 36 and the second clamping block 44 are mutually clamped, the sliding rod 46 is at the outermost side of the boss 37, and the third spring 49 is in the extended state to enable the telescopic rod 47 to be at the longest.
During operation, the welding seam of the water heater shell 5 is downwards placed in the positioning cavity 3, so that the welding seam position of the water heater shell 5 is in contact with the positioning strip 4, the water heater shell 5 is further positioned, the subsequent feeding is further subjected to preliminary positioning, the problem that effective welding cannot be performed due to deviation of the welding seam position after feeding is prevented, meanwhile, the problem that defective products occur due to welding errors is reduced, the problem of raw material waste of the water heater shell 5 is reduced, meanwhile, the driving teeth 7 are enabled to rotate under the action of the driving device 6, the driving teeth 7 drive the guide blocks 9 to move to one side of the positioning cavity 3 through the chains 8, the guide blocks 9 enable the movable frame 11 to move to one side of the positioning cavity 3 on the outer wall of the guide rod 10 through the guide grooves 13, and in the moving process of the movable frame 11, the movable frame 11 drives the control rod 16 to move to one side of the positioning cavity 3 through the turning rod 15, because the control rod 16 is provided with a downward recess in the control groove 14, the control rod 16 moves to one side of the positioning cavity in the control groove 14, but the turning rod 15 still moves, the turning rod 15 pulls the control rod 16 to move upwards from the recess position of the control groove 14, in the process, the turning rod 15 rotates by one hundred eighty degrees, the turning rod 15 drives the turning block 17 to turn by one hundred eighty degrees, the turning block 17 turns to enable the clamping block 25 to face the water heater shell 5, the turning block 17 is close to the water heater shell 5 in the continuous movement process of the movable frame 11, meanwhile, the turning block 17 enables the second magnetic block 23 to contact with the edge of the water heater shell 5, at the moment, the second magnetic block 23 is extruded by the water heater shell 5 in the movement process, the second magnetic block 23 moves towards the inside of the movable cavity 18, the second magnetic block 23 pushes the movable rod 21 to move towards the outside of the movable cavity 18 through the connecting rod 22, the movable rod 21 pulls the clamping gear 19 to rotate towards the inside through the push-pull rod 20, because the clamping gear 19 is meshed with the clamping toothed plate 24, and further the clamping toothed plate 24 is driven to polymerize towards the middle in the inside of the movable cavity 18 in the process of inwards rotating the clamping gear 19, the water heater shell 5 can be driven to move upwards in the process of polymerizing and clamping the clamping block 25 towards the middle, further the problem of clamping loosening caused by friction between the water heater shell 5 and the inner wall of the positioning cavity 3 in the process of subsequent carrying is prevented, the clamping toothed plate 24 drives the clamping block 25 to clamp the water heater shell 5 towards the middle, further the water heater shell 5 can be fixed in the process of carrying, loosening is prevented in the process of carrying, and the problem of dislocation deviation of the welding seam position of the water heater shell 5 is avoided.
In the process of continuously driving the driving teeth 7 to rotate of the driving device 6, the driving teeth 7 enable the chain 8 to drive the guide block 9 to reciprocate, the guide block 9 drives the movable frame 11 to move to one side of the welding frame 26 on the outer wall of the guide rod 10 through the guide groove 13, the movable frame 11 drives the turnover block 17 to move to one side of the welding frame 26 through the turnover rod 15, the turnover block 17 drives the water heater shell 5 to move through the clamping assembly, the control rod 16 moves downwards under the action of the groove in the control groove 14 in the moving process, at the moment, the turnover rod 15 rotates ninety degrees, the control rod 16 can be pulled to move upwards from the groove in the control groove 14 in the continuous moving process of the turnover rod 15, at the moment, the turnover rod 15 rotates ninety degrees again, the turnover rod 17 can enable the turnover block 17 to drive the water heater shell 5 to turn over simultaneously through the clamping assembly in the rotating process of the turnover rod 15, the position of the water heater shell 5 is enabled to face upwards, welding of welding seams of a welding gun can be facilitated, the turnover block 17 drives the water heater shell 5 to move to the inner side of the welding frame 26 through the clamping assembly in the continuous moving process, the welding seam can enable the water heater shell 5 to stably weld the inner shell 5 to be welded under the action of the bracket 26, and the welding frame 5 can be enabled to stably welded under the effect of the welding frame 26.
When the water heater shell 5 enters the bottom of the welding frame 26, the driving device 6 stops driving, the movable frame 11 drives the first magnetic block 12 and the fourth magnetic block 51 to magnetically absorb, the push plate 50 is pushed to move towards the middle of the top plate 29 by the first magnetic block 12 and the fourth magnetic block 51 in the moving process of the movable frame 11, the push plate 50 pushes the slide bar 46 to move towards the inner side of the boss 37 in the sliding groove block 45, at the moment, because the second clamping block 44 is clamped with the clamping bar 36, the third spring 49 is extruded by the slide bar 46 when the slide bar 46 is pushed, meanwhile, because the telescopic rod 47 is movably connected to the inner side of the slide bar 46, and then the third magnetic block 48 does not push the clamping bar 36, when the water heater shell 5 completely enters the middle of the welding frame 26, the slide bar 46 enters the inner side of the boss 37 because the slide bar 46 is provided with an upper short bar and a lower long bar, when the upper short rod of the slide rod 46 contacts with the inside of the pushing groove 43, because the inside of the pushing groove 43 is provided with an inclined surface which inclines upwards, after the short rod of the slide rod 46 contacts with the inside of the pushing groove 43, the second movable block 42 moves upwards through the pushing groove 43 and compresses the second spring 41, meanwhile, the second movable block 42 drives the second clamping block 44 to move upwards and cannot be clamped with the clamping rod 36, at the moment, because the third spring 49 is in a compressed state, the third spring 49 stretches to enable the third magnetic block 48 to push the clamping rod 36 to move inwards of the boss 37, at the moment, the lower long rod of the slide rod 46 contacts with the bottom of the first movable block 39, because the bottom of the first movable block 39 is provided with an inclined surface, and then the first movable block 39 is pushed upwards and stretched by the action of the lower long rod of the slide rod 46, the first movable block 39 moves upwards and drives the first clamping block 40 to move upwards, and then can carry out the joint to the draw-in bar 36 that moves to boss 37 inboard, prevent to appear because third spring 49 elastic connection's effect and can't fix draw-in bar 36 effectively, and then can avoid appearing the insecure problem of fixing when follow-up fixed water heater shell 5, improved follow-up fixed claw 35 to the fixed validity of water heater shell 5.
Meanwhile, in the process that the clamping rod 36 moves towards the inner side of the boss 37, the clamping rod 36 drives the transmission toothed bar 33 to move towards the outer side in the inner side of the movable groove 31, the transmission toothed bar 33 can move towards two sides under the action of the transmission gear 32, and then the turnover gears 34 on two sides can be driven to rotate, the turnover gears 34 on two sides can drive the fixing claws 35 to turn downwards, and then the water heater shell 5 entering the inside of the welding frame 26 can be fixed, and then the water heater shell 5 can be ensured to be stable in the welding process, complicated steps of manual fixing are reduced, the welding efficiency of equipment on the water heater shell 5 is improved, the yield is improved, and a welding gun arranged at the top of the top plate 29 welds the welding seam position of the water heater shell 5 through the welding groove 30.
When the welding is finished, the driving device 6 is started to drive the driving teeth 7 to rotate through the driving device 6, the driving teeth 7 drive the guide blocks 9 to move through the chains 8, the guide blocks 9 drive the movable frame 11 to move towards the inside of the positioning cavity 3 on the outer wall of the guide rod 10 through the guide grooves 13, the movable frame 11 drives the turnover block 17 to be far away from the welding frame 26 through the turnover rod 15, in the moving process, at the moment, because the second magnetic block 23 and the water heater shell 5 are in a magnetic attraction state, and then in the process that the turnover block 17 is far away from the welding frame 26, the water heater shell 5 is in a fixed state, and then in the moving process, the second magnetic block 23 pulls the movable rod 21 to move towards the inside of the movable cavity 18 through the connecting rod 22, the movable rod 21 enables the clamping gear 19 to rotate outwards through the push-pull rod 20, the clamping gear 19 drives the clamping toothed plate 24 to move outwards, the clamping toothed plate 24 drives the clamping block 25 to move outwards, so that the clamping block 25 can not clamp the water heater shell 5, meanwhile, the movable frame 11 drives the first magnetic block 12 to move in the process of moving towards one side of the positioning cavity 3, the first magnetic block 12 drives the push plate 50 to move outwards of the top plate 29 through the fourth magnetic block 51, the push plate 50 drives the slide rod 46 to move outwards of the boss 37, the upper long rod and the lower long rod of the slide rod 46 can not contact with the first movable block 39 and the pushing groove 43, at the moment, the first movable block 39 enables the first movable block 39 to move downwards under the action of shrinkage of the first spring 38, the first movable block 39 drives the first clamping block 40 to move downwards, the first clamping block 40 can not be clamped with the clamping rod 36, and further, in the process of moving outwards of the slide rod 46, the third magnetic block 48 pulls the clamping rod 36 to move outwards of the boss 37 through the telescopic rod 47, meanwhile, after the sliding rod 46 cannot be contacted with the pushing groove 43, the second movable block 42 is enabled to drive the second clamping block 44 to move downwards under the action of the second spring 41, when the clamping rod 36 moves to the outermost side of the boss 37, the second clamping block 44 is clamped with the clamping rod 36, meanwhile, the clamping rod 36 drives the transmission toothed bar 33 to move inwards, the transmission toothed bar 33 enables the two transmission toothed bars 33 to move towards the inside of the movable groove 31 through the transmission gear 32, the transmission toothed bar 33 drives the turnover gear 34 to rotate upwards, and the turnover gear 34 drives the fixed claw 35 to rotate upwards, so that the fixing effect on the water heater shell 5 is relieved.
Repeating the above operation in the process that the clamping assembly drives the water heater shell 5 to move towards the inside of the welding frame 26 again, the water heater shell 5 which is welded is pushed by the water heater shell 5 which is carried subsequently, so that the welded water heater shell 5 moves outwards from the bracket 28, the automatic discharging effect is realized, the manual discharging step is effectively reduced, the efficiency of the whole welding process is improved, the accuracy of the welding process of the water heater shell 5 can be improved through mechanical carrying, and the welding quality is improved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (3)

1. A straight welding machine comprising a chassis (1), characterized in that: the utility model discloses a water heater, chassis (1) including chassis (1), chassis (2), locating cavity (3), locating strip (4) that is used for locating water heater shell (5) welding seam, driving component that is used for short distance reciprocating drive, guiding rod (10) are passed through to the inside of working cavity (2), swing joint has movable frame (11) on guiding rod (10), the upper end of movable frame (11) is provided with tilting assembly, fixedly connected with upset piece (17) on the tilting assembly, the inside of upset piece (17) is provided with the clamping assembly that is used for centre gripping fixed water heater shell (5), be provided with clamping block (25) on the clamping assembly, the upper surface fixedly connected with weld holder (26) of chassis (1), the inboard of weld holder (26) is through fixed plate (27) fixedly connected with guide bar (10) through bolt, the upper end of movable frame (11) is provided with tilting assembly, the inside of upset piece (17) is provided with the clamping assembly that is used for centre gripping fixed water heater shell (5), the top (28) is connected with bracket (28) through fixed bracket (28), the middle part of the upper surface of the top plate (29) is vertically penetrated with a welding groove (30), both ends of the top plate (29) are provided with fixing components for fixing the welding of the water heater shell (5), fixing claws (35) are arranged below the fixing components, the outer side of the top plate (29) is symmetrically and fixedly connected with limiting mechanisms for limiting the fixing state of the fixing components, and the limiting mechanisms comprise clamping components and control components;
the driving assembly comprises a driving device (6), driving teeth (7), a chain (8), a guide block (9) and a guide groove (13), wherein the driving device (6) is fixedly connected to the inside of the working cavity (2), the driving teeth (7) are fixedly connected to the output end of the top of the driving device (6), the chain (8) is in transmission connection with the outer wall of the driving teeth (7), the guide block (9) is fixedly connected to the top of the chain (8), the guide groove (13) is formed in the bottom of the movable frame (11), and the guide block (9) is movably connected to the inside of the guide groove (13);
the turnover assembly comprises a control groove (14), a turnover rod (15) and a control rod (16), wherein the control groove (14) is formed in the inner wall of the working cavity (2), the turnover rod (15) is movably connected to the upper end of the movable frame (11), the two ends of the turnover rod (15) are fixedly connected with the control rod (16) for driving the turnover rod (15) to rotate, and the outer side of the control rod (16) is movably connected to the inside of the control groove (14);
the clamping assembly comprises a movable cavity (18), clamping gears (19), a push-pull rod (20), a movable rod (21), a connecting rod (22), second magnetic blocks (23) and clamping toothed plates (24), wherein the movable cavity (18) is arranged in a turnover block (17), the clamping gears (19) are symmetrically and rotatably connected in the movable cavity (18), the inner sides of the two clamping gears (19) are hinged with the push-pull rod (20) with the push-pull clamping gears (19) moving, the inner sides of the two push-pull rods (20) are hinged with the outer wall of the movable rod (21), the inner sides of the movable rod (21) are fixedly connected with the second magnetic blocks (23) for driving the movable rod (21) to move through the connecting rod (22), the clamping toothed plates (24) are movably connected in the movable cavity (18), the inner sides of the clamping toothed plates (24) are meshed with the clamping gears (19), and the clamping blocks (25) are fixedly connected to the outer sides of the clamping toothed plates (24);
the fixed assembly comprises a movable groove (31), a transmission gear (32), a transmission toothed bar (33) and turnover gears (34), wherein the movable groove (31) transversely penetrates through the outer wall of the top plate (29), the transmission gears (32) are rotationally connected in the movable groove (31), two transmission toothed bars (33) are movably connected in the movable groove (31), the inner ends of the two transmission toothed bars (33) are meshed with the transmission gears (32), the turnover gears (34) are rotationally connected to the two ends of the top plate (29), the outer ends of the two transmission toothed bars (33) are meshed with the two turnover gears (34), and the fixed claws (35) are fixedly connected to the middle parts of the turnover gears (34);
the clamping assembly comprises a clamping rod (36), a boss (37), a first spring (38), a first movable block (39), a first clamping block (40), a second spring (41), a second movable block (42) and a second clamping block (44), wherein the clamping rod (36) is fixedly connected to the outer side of a transmission toothed bar (33), the boss (37) is fixedly connected to the outer wall of a top plate (29), the clamping rod (36) is movably connected to the inside of the boss (37), the bottom of the first spring (38) is fixedly connected to the inside of the boss (37), the top of the first spring (38) is fixedly connected to the outer side of the first movable block (39), the first movable block (39) is movably connected to the inside of the boss (37), the first clamping block (40) is elastically connected to the top of the first movable block (39), the top of the second spring (41) is fixedly connected to the inside of the boss (37), and the bottom of the second spring (41) is fixedly connected to the outer side of the second movable block (42), and the second clamping block (44) is elastically connected to the bottom of the second movable block (42).
The control assembly comprises a first magnetic block (12), a pushing groove (43), a sliding groove block (45), a sliding rod (46), a telescopic rod (47), a third magnetic block (48), a third spring (49), a pushing plate (50) and a fourth magnetic block (51), wherein the first magnetic block (12) is fixedly connected to the outer wall of a movable frame (11), the pushing groove (43) is formed in the second movable block (42), the sliding groove block (45) is fixedly connected to the outer wall of a top plate (29), the sliding rod (46) is movably connected to the inner side of the sliding groove block (45), the telescopic rod (47) for pushing a clamping rod (36) is movably connected to the inner side of the sliding rod (46), the third magnetic block (48) is fixedly connected to the inner side end of the telescopic rod (47), the third spring (49) is arranged between the third magnetic block (48) and the sliding rod (46), the pushing plate (50) is fixedly connected to the outer side end of the sliding rod (46), the bottom of the pushing plate (50) is movably connected to the outer wall of the guiding rod (29), and the bottom of the sliding rod (50) is fixedly connected to the bottom of the fourth magnetic block (50).
2. A straight seam welder as in claim 1, wherein: the middle part of control groove (14) is provided with the recess of subsidence, the inboard of grip block (25) sets up to the circular-arc with water heater shell (5) shape looks adaptation, the inboard of stationary dog (35) sets up to the circular-arc with water heater shell (5) looks adaptation.
3. A straight seam welder as in claim 2, wherein: the clamping rod (36) is made of iron, an upward inclined surface is arranged at the bottom of the first movable block (39), an upward inclined surface of forty-five degrees is arranged in the pushing groove (43), two long rods with different lengths are arranged on the inner side of the sliding rod (46), and the magnetism of the opposite surface of the fourth magnetic block (51) is different from that of the first magnetic block (12).
CN202211040591.6A 2022-08-29 2022-08-29 Straight welding machine Active CN115673608B (en)

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CN201483164U (en) * 2009-07-31 2010-05-26 成都焊研科技有限责任公司 Shifting longitudinal-seam automatic welding machine
CN105945391B (en) * 2016-07-11 2018-05-18 山东厚丰汽车散热器有限公司 The double vertical masonry joint automatic welders of radiator and the double vertical masonry joint automatic soldering methods of radiator
CN108080847A (en) * 2017-12-13 2018-05-29 新昌县绿松科技有限公司 A kind of efficient solar water heater insulation barrel welder
CN211840712U (en) * 2019-12-31 2020-11-03 广州毅翚金属加工机械有限公司 Straight seam welding machine
CN111618490B (en) * 2020-07-28 2020-10-23 广东电网有限责任公司东莞供电局 Automatic change transversal joint welding set
CN112247427A (en) * 2020-08-28 2021-01-22 南京涵曦月自动化科技有限公司 Welding rod clamping mechanism of welding robot and using method thereof
CN112318155B (en) * 2020-11-06 2021-08-03 扬州力创机床有限公司 Clamp convenient for size adjustment and used for machine tool machining
CN113579416B (en) * 2021-07-22 2023-01-24 成都焊科机器人有限公司 Through type straight seam welding machine
CN113751912B (en) * 2021-09-28 2023-03-28 合肥创知企业管理服务有限公司 Intelligent welding device and welding method for water heater inner container

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Denomination of invention: A straight seam welding machine

Effective date of registration: 20231221

Granted publication date: 20230728

Pledgee: Hangzhou United Rural Commercial Bank Co.,Ltd. Haining sub branch

Pledgor: Jiaxing Walch Electric Co.,Ltd.

Registration number: Y2023980072776