CN118106697A - Hydraulic cylinder welding device and welding method - Google Patents
Hydraulic cylinder welding device and welding method Download PDFInfo
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- CN118106697A CN118106697A CN202410532184.XA CN202410532184A CN118106697A CN 118106697 A CN118106697 A CN 118106697A CN 202410532184 A CN202410532184 A CN 202410532184A CN 118106697 A CN118106697 A CN 118106697A
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- 238000003466 welding Methods 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000003825 pressing Methods 0.000 claims description 26
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000002349 favourable effect Effects 0.000 abstract description 11
- 210000001503 joint Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The invention discloses a hydraulic cylinder welding device and a welding method, which belong to the technical field of welding devices and comprise a bottom plate, wherein two support plates are arranged at the top of the bottom plate, a welding head for welding a cylinder body is arranged above the bottom plate, and slide rails are arranged on the front side and the rear side of each support plate; through the backup pad that sets up, can press from both sides the cylinder body tightly at the in-process that the backup pad upwards deflects to be favorable to fixing a position to the cylinder body for the position of backup pad through the locating lever, make the distance that two cylinder body tip stretched out the backup pad the same, therefore, when two backup pads were close to each other, the position that two cylinder bodies laminated mutually can remain unchanged for the backup pad, thereby avoided the frequent regulation of soldered connection position, be favorable to improving welding efficiency, and after the welding is accomplished, the cylinder body after the welding can slide to the locating lever department along the backup pad, be favorable to the staff to take out the cylinder body after the welding.
Description
Technical Field
The invention relates to the technical field of welding devices, in particular to a hydraulic cylinder welding device and a welding method.
Background
The hydraulic cylinder basically consists of a cylinder barrel and a cylinder cover, a piston and a piston rod, a sealing device, a buffer device and an exhaust device, which are necessary according to the specific application, and other devices, wherein the requirements on coaxiality and wear resistance of the cylinder barrel are strict, and when the hydraulic cylinder barrel is processed, two cylinder barrels are often required to be connected together, so that the two cylinder barrels are required to be connected with the aid of corresponding welding devices.
Chinese patent CN219900790U discloses a welding device for hydraulic cylinder processing, can avoid the condition that the cylinder rotates to cause its emergence skew through making the soldered connection circular motion to the quality of welding processing between the cylinder has been ensured, thereby has improved the practicality of device.
In the above device, the position of the welding head in the horizontal direction is relatively fixed, so that when two cylinders are in butt joint, the butt joint part of the two cylinders needs to be positioned at the welding head, and therefore, the positions of the two cylinders need to be adjusted each time the cylinders are fixed, which is inconvenient, and the welded cylinders are difficult to take out.
Therefore, it is necessary to provide a hydraulic cylinder welding device and a welding method for solving the above technical problems.
Disclosure of Invention
The invention aims to provide a hydraulic cylinder welding device and a welding method, which are used for solving the problems that in the prior art, the position of a welding head in the horizontal direction is relatively fixed, so that when two cylinders are in butt joint, the butt joint position of the two cylinders needs to be positioned at the welding head, the position of the two cylinders needs to be adjusted each time when the cylinders are fixed, the welding device is inconvenient, and the cylinders after welding are difficult to take out.
Based on the thought, the invention provides the following technical scheme: the hydraulic cylinder welding device comprises a bottom plate, two supporting plates are arranged at the top of the bottom plate, welding heads for welding a cylinder body are arranged above the bottom plate, sliding rails are arranged on the front side and the rear side of each supporting plate, sliding blocks are elastically arranged on the sliding rails, rotating shafts in running fit with the sliding blocks are fixedly arranged on the front side and the rear side of each supporting plate, a pressing plate for clamping the cylinder body is arranged on each supporting plate, a driving rod is rotationally connected to the pressing plate, a boss is fixedly arranged at the top of each supporting plate, and the driving rods penetrate through the boss and are in threaded connection with the boss;
The driving rod is provided with a driving component, when the supporting plate drives the cylinder body to rotate from an inclined state to a horizontal state, the driving component can drive the driving rod to rotate, so that the pressing plate is enabled to be close to the cylinder body and clamp the cylinder body, one end of the supporting plate is provided with a positioning component, when the cylinder body is placed at the top of the supporting plate, one end of the cylinder body is located at the positioning component, and when the supporting plate drives the cylinder body to rotate to the horizontal state, the positioning component deflects downwards and is staggered with the cylinder body.
As a further scheme of the invention: the bottom surface of backup pad is fixed to be provided with the briquetting, and the one end that locating component was kept away from to the briquetting sets up to first inclined plane, and briquetting bottom surface downward bulge forms the backstop portion, the top slip of bottom plate is provided with briquetting matched with kicking block.
As a further scheme of the invention: the driving assembly comprises a sleeve sleeved outside the driving rod, the sleeve is in running fit with the boss, a guide groove is formed in the inner wall of the sleeve, a guide bar which is in sliding fit with the guide groove is fixedly arranged on the outer peripheral surface of the driving rod, a first gear is arranged outside the sleeve through a first one-way bearing sleeve, a first rack meshed with the first gear is arranged above the bottom plate, a lantern ring is sleeved outside the sleeve, a supporting block is fixedly connected between the lantern ring and the supporting plate, a coil spring is sleeved outside the sleeve, and two ends of the coil spring are respectively connected with the sleeve and the lantern ring.
As a further scheme of the invention: the top surface elasticity of supporting shoe is provided with the stopper, a plurality of limit grooves with stopper matched with have been seted up on the telescopic outer peripheral face, stopper is close to telescopic one end and is provided with the second inclined plane, one side elasticity that stopper portion is close to the kicking block is provided with the arm-tie, fixedly between arm-tie and the stopper, the arm-tie is close to and has seted up the notch on the side of kicking block, and notch inside top surface and bottom surface department all elasticity are provided with the dog, a side that the kicking block is close to the arm-tie is fixed and is provided with the pull rod, and one end top and the bottom that the kicking block was kept away from to the pull rod are all fixed and are provided with the lug, the one side that the pull rod was kept away from to the lug sets up to the arc.
As a further scheme of the invention: the locating component includes the locating lever of rotating with the backup pad and being connected, and the locating lever wholly sets up to the U type, and the one end that the locating lever is close to the backup pad is fixed to be provided with the connecting axle, and the connecting axle passes the one end of locating lever and be equipped with the second gear through the one-way bearing housing of second, and the connecting axle other end and backup pad normal running fit, the top of bottom plate is provided with the second rack with second gear engaged with, elastic connection has the fixture block in the backup pad, and the fixture block sets up to the T type, and the fixture block can slide along the length direction of backup pad, set up on the outer peripheral face of connecting axle with fixture block matched with draw-in groove.
As a further scheme of the invention: the first rack and the second rack are both arc-shaped.
As a further scheme of the invention: the sliding block is fixedly provided with a cross rod on one side surface close to the positioning rod, the cross rod penetrates through the sliding rail and is in sliding fit with the sliding rail, a limit spring is sleeved outside the cross rod, the limit spring is located on one side of the sliding block close to the positioning rod, and the limit spring is located between the sliding block and the end surface of the sliding rail.
As a further scheme of the invention: the top of the top block is rotatably provided with a rolling shaft.
As a further scheme of the invention: supporting legs are fixedly arranged between the sliding rail and the bottom plate, a fixing plate is fixedly arranged on one side of each supporting leg, and the first rack and the second rack are fixedly connected with the fixing plate.
The method for welding by using the hydraulic cylinder welding device comprises the following steps: placing the cylinder body on the top of the supporting plate so that one end of the cylinder body abuts against the positioning rod; the two jacking blocks are driven to slide on the top of the bottom plate, so that the supporting plate rotates from an inclined state to a horizontal state, in the process, the cylinder body is clamped by the pressing plate, and the positioning rod deflects downwards relative to the supporting plate and is staggered with the cylinder body; the cylinder body is welded through the welding head, after the welding is finished, the ejector block reversely moves at the top of the bottom plate to reset, the supporting plate gradually deflects downwards to a vertical state, and the cylinder body falls to the positioning rod along the supporting plate.
Compared with the prior art, the invention has the beneficial effects that: through the backup pad that sets up, can press from both sides the cylinder body tightly at the in-process that the backup pad upwards deflects to be favorable to fixing a position to the cylinder body for the position of backup pad through the locating lever, make the distance that two cylinder body tip stretched out the backup pad the same, therefore, when two backup pads were close to each other, the position that two cylinder bodies laminated mutually can remain unchanged for the backup pad, thereby avoided the frequent regulation of soldered connection position, be favorable to improving welding efficiency, and after the welding is accomplished, the cylinder body after the welding can slide to the locating lever department along the backup pad, be favorable to the staff to take out the cylinder body after the welding.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the cooperation of the top block and the pressing block according to the present invention;
FIG. 3 is a schematic view of the platen and cylinder combination of the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3A in accordance with the present invention;
FIG. 5 is a schematic diagram of the cooperation of the limiting block and the limiting groove of the present invention;
FIG. 6 is a schematic view of the positioning rod of the present invention with respect to the cylinder block;
FIG. 7 is an enlarged schematic view of the structure of FIG. 6B in accordance with the present invention;
FIG. 8 is a schematic diagram of a latch according to the present invention;
FIG. 9 is a schematic view of a bond head installation of the present invention;
FIG. 10 is a schematic view of a rotating bar and a supporting frame according to the present invention;
Fig. 11 is a schematic view of the position of the welded cylinder of the present invention relative to the support plate.
In the figure: 1. a bottom plate; 2. a fixing plate; 3. a screw; 4. a slide rail; 5. a slide block; 6. a rotating shaft; 7. a limit spring; 8. a cylinder; 9. a positioning rod; 10. a support plate; 1001. a boss; 11. a collar; 12. a first gear; 13. a driving rod; 14. a connecting shaft; 1401. a clamping groove; 15. a second gear; 16. briquetting; 1601. a first inclined surface; 1602. a stop portion; 17. pulling a plate; 1701. an exhaust hole; 1702. an air inlet hole; 1703. a stop block; 18. a second rack; 19. a top block; 1901. a pull rod; 1902. a bump; 20. a first rack; 21. a clamping block; 22. a pressing plate; 2201. a boss; 23. a traction rope; 24. a limiting block; 2401. a second inclined surface; 25. a guide bar; 26. a sleeve; 2601. a limit groove; 27. a coil spring; 28. a slide bar; 29. a welding head; 30. a support frame; 31. rotating the strip; 32. and a supporting block.
Detailed Description
As shown in fig. 1-4, a hydraulic cylinder welding device and a welding method thereof, the hydraulic cylinder welding device comprises a bottom plate 1, two support plates 10 are arranged at the top of the bottom plate 1, the support plates 10 are used for supporting a cylinder body 8, the top of each support plate 10 is arc-shaped, matching with the cylinder body 8 is facilitated, the cylinder body 8 can be supported more stably, sliding rails 4 are arranged on the front side and the rear side of each support plate 10, sliding blocks 5 are arranged on the sliding rails 4 in a sliding manner, the sliding blocks 5 are elastically matched with the sliding rails 4, rotating shafts 6 are fixedly arranged on the front side and the rear side of each support plate 10, and the rotating shafts 6 penetrate through the sliding blocks 5 and are in rotary fit with the sliding blocks 5.
The support plate 10 is provided with the clamp plate 22 for clamping the cylinder body 8, the clamp plate 22 is arranged into an arc shape, the outer side surface integrated into one piece of the clamp plate 22 is provided with the protruding portion 2201, one side surface of the protruding portion 2201, which is far away from the clamp plate 22, is of a plane structure, the outer side of the protruding portion 2201 is provided with the driving rod 13, the top of the support plate 10 is fixedly provided with the boss 1001, the driving rod 13 passes through the boss 1001 and is in threaded connection with the boss, the driving rod 13 is provided with the driving assembly, when the support plate 10 drives the cylinder body 8 to rotate from an inclined state to a horizontal state, the driving rod 13 can be driven to rotate through the driving assembly, thereby driving the clamp plate 22 to be gradually close to the cylinder body 8 and clamp the cylinder body 8, when the support plate 10 is placed at the top of the support plate 10, the cylinder body 8 can be positioned through the positioning assembly, the cylinder body 8 can be driven by the positioning assembly to rotate gradually to the horizontal state in the process, the two cylinder bodies 8 are welded together, the positioning assembly is favorable for carrying out welding on the two cylinder bodies 8, and the positioning assembly can slide to the two sides of the final positioning assembly after the support plate 10 is inclined to the inclined support plate 8 when the support plate 10 is driven to rotate from the horizontal state to the inclined state.
In order to drive the backup pad 10 to rotate, fixedly being provided with briquetting 16 in the bottom surface of backup pad 10, the one end that locating component was kept away from to briquetting 16 sets up to first inclined plane 1601, and the one place that first inclined plane 1601 was kept away from to briquetting 16 bottom surface forms backstop portion 1602 downwards, slides at the top of bottom plate 1 and is provided with kicking block 19, kicking block 19 wholly sets up to fall the T type, and when kicking block 19 slides at the top of bottom plate 1, the pressure to briquetting 16 through kicking block 19 can drive backup pad 10 by the slope rotation to horizontality.
As shown in fig. 2-8 and 11, the driving assembly includes a sleeve 26 sleeved on the outer side of the driving rod 13, the sleeve 26 is in running fit with the boss 1001, a guiding slot is formed at the inner wall of the sleeve 26, a guiding strip 25 slidingly engaged with the guiding slot is fixedly disposed on the outer circumferential surface of the driving rod 13, the sleeve 26 can synchronously drive the driving rod 13 to rotate through the structure, the driving rod 13 can slide along the axial direction relative to the sleeve 26, a first gear 12 is sleeved on the outer side of the sleeve 26, the first gear 12 is connected with the sleeve 26 through a first unidirectional bearing, a first rack 20 engaged with the first gear 12 is disposed above the bottom plate 1, when the supporting plate 10 is rotated from an inclined state to a horizontal state, the first gear 12 is engaged with the first rack 20, thereby driving the sleeve 26 to rotate, a collar 11 is sleeved on the outer side of the sleeve 26, a supporting block 32 is fixedly connected between the collar 11 and the supporting plate 10, the top of the supporting block 32 is arc-shaped and is engaged with the sleeve 26, thereby facilitating the connection of the collar 11 with the supporting plate 10, and two free ends of the collar 27 and the free ends of the collar 27 are respectively connected with the coil springs 11 and the outer wall 26.
In the actual use process, in order to limit the sleeve 26, the top surface of the supporting block 32 is elastically provided with a limiting block 24, the peripheral surface of the outer side of the sleeve 26 is provided with a plurality of limiting grooves 2601 matched with the limiting block 24, specifically, one end of the limiting block 24 close to the sleeve 26 is provided with a second inclined surface 2401, when the limiting block 24 pops out and is inserted into the limiting groove 2601, the sleeve 26 can rotate unidirectionally relative to the limiting block 24, one side of the stopping part 1602 close to the top block 19 is slidably provided with a pulling plate 17, a pulling rope 23 is fixedly arranged between the pulling plate 17 and the limiting block 24, and the pulling rope 23 passes through the supporting block 32 and the pressing block 16 and is slidably matched with the same;
Further, a notch is formed in a side surface of the pull plate 17, which is close to the top block 19, a stop block 1703 is elastically arranged at the top surface and the bottom surface in the notch, a pull rod 1901 is fixedly arranged at the side surface of the top block 19, which is close to the pull plate 17, a projection 1902 is fixedly arranged at the top and the bottom of one end, which is far away from the top block 19, of the pull rod 1901, the side, which is far away from the pull rod 1901, is arc-shaped, when the top block 19 moves to the pull plate 17, the pull rod 1901 can pass through the two stop blocks 1703, and the pull plate 17 can be pulled when the top block 19 moves reversely through the cooperation between the projection 1902 and the stop block 1703, so that the pull rope 23 is tensioned through the pull plate 17.
The positioning assembly comprises a positioning rod 9 rotatably connected with a supporting plate 10, the positioning rod 9 is integrally U-shaped, specifically, a connecting shaft 14 is arranged at one end of the positioning rod 9, which is close to the supporting plate 10, one end of the connecting shaft 14 passes through the positioning rod 9 and is fixedly connected with the positioning rod, a second gear 15 is sleeved at one end of the connecting shaft 14, which passes through the positioning rod 9, a second one-way bearing is arranged between the second gear 15 and the connecting shaft 14, the other end of the connecting shaft 14 is inserted into the supporting plate 10 and is in rotary fit with the same, a second rack 18 meshed with the second gear 15 is arranged above the bottom plate 1, and the second gear 15 and the second rack 18 can be meshed in the rotary process of the supporting plate 10;
Further, a clamping block 21 is elastically connected to the support plate 10, the clamping block 21 is set to be T-shaped, a clamping groove 1401 matched with the clamping block 21 is formed in the outer circumferential surface of the connecting shaft 14, when the support plate 10 is in an inclined state, the clamping block 21 can slide towards the connecting shaft 14 against elastic force under the action of self gravity, so that one end of the clamping block 21 can be inserted into the clamping groove 1401 to lock the connecting shaft 14 and the support plate 10, when the support plate 10 rotates to be in a horizontal state, the clamping block 21 is gradually far away from the connecting shaft 14 under elastic force, so that one end of the clamping block 21 moves out of the clamping groove 1401, and at the moment, the positioning rod 9 is deflected downwards under the influence of gravity and is staggered with the cylinder 8, so that the cylinder 8 is welded.
In the initial state, the sliding block 5 is located at the end position on the sliding rail 4, the supporting plate 10 is in an inclined state, specifically, one end, close to the positioning rod 9, of the supporting plate 10 is located at a lower position, at this time, the cylinder body 8 to be welded is placed at the top of the supporting plate 10, because the supporting plate 10 is in an inclined state, the cylinder body 8 slides downwards along the supporting plate 10, one end of the cylinder body 8 is propped against the positioning rod 9, then two jacking blocks 19 at the top of the bottom plate 1 are driven to be close to each other, in the process, the jacking blocks 19 are gradually close to the pressing block 16, the pressing force of the jacking blocks 19 to the pressing block 16 can drive the supporting plate 10 to deflect upwards, in the deflection process of the supporting plate 10, the first gear 12 is meshed with the first rack 20, and then the sleeve 26 is driven to rotate, the sleeve 26 after rotation can be limited by the limiting block 24, the sleeve 26 can be prevented from rotating, the sleeve 26 can be driven to rotate by the cooperation of the guide bar 25 and the guide groove, and the boss 1001 is in threaded connection, so that the driving rod 13 can drive the pressing plate 22 to be close to the cylinder body 8 and clamped 8 in the rotation process;
In the process of upward deflection of the support plate 10, the second gear 15 is meshed with the second rack 18, but because the connecting shaft 14 is connected with the second gear 15 through the second one-way bearing, the second gear 15 is in a state of independent rotation in the process of upward deflection of the support plate 10, when the top end of the top block 19 passes over the first inclined plane 1601, the support plate 10 is in a horizontal state, and as the top block 19 continues to move, the top block 19 is in contact with the pull plate 17 and generates thrust force on the top block 19 in the horizontal direction, at the moment, the support plate 10 and the sliding block 5 slide in the horizontal direction against the elastic acting force on the sliding rail 4, and in addition, when the support plate 10 deflects to the horizontal state, the clamping block 21 is separated from the connecting shaft 14 by the elastic acting force, so that the positioning rod 9 deflects downwards and is staggered with the cylinder 8, and as the two support plates 10 approach gradually, the cylinder 8 on the two support plates are also in contact with each other, so that the two support plates 8 are in favor of welding, and as the positioning rod 9 is positioned before being clamped, the position of the two cylinder plates 8 are in contact with each other relative to the bottom plate 1 is not in the horizontal direction, the welding gun is not in need to be adjusted in the horizontal direction;
after the welding is completed, the top block 19 is driven to reversely move on the top of the bottom plate 1, because the two cylinders 8 are welded into a whole, and the pressing plate 22 is in a state of clamping the cylinders 8, the supporting plate 10 can not move in the horizontal direction relative to the welded cylinders 8 at this time, therefore, the top block 19 can reversely move relative to the pressing block 16, the pull rod 1901 passes through between the two stop blocks 1703 in the process of pushing the pulling plate 17 by the top block 19 before, so that the protruding block 1902 on the pull rod 1901 is positioned on the inner side of the stop block 1703, when the top block 19 reversely moves relative to the pressing block 16, the pulling plate 17 can be driven to move relative to the pressing block 16 through the cooperation of the protruding block 1902 and the stop block 1703, the pulling plate 17 can pull the pull rope in the moving process, so that one end of the limiting block 24 can be pulled out of the limiting groove 2601 through the pull rope, at this time, the sleeve 26 can be driven to reversely rotate under the acting force of the coil spring 27, the driving rod 13 can also drive the pressing plate 22 to gradually move away from the welded cylinders 8 along with the reverse rotation of the sleeve 26, when the pressing plate 22 is far away from the welded cylinders 8, the supporting plate 10 can be driven to reversely move relative to the sliding rail 10 in the horizontal direction, and the sliding rail 4 can be driven by the supporting plate 10 to reversely slide, and the sliding rail 4 can be driven by the sliding rail 4 to move back to the supporting plate 10 in the direction after the supporting plate 10 is driven by the sliding rail 4;
When the support plate 10 stops sliding and the top block 19 continuously moves outwards at the top of the bottom plate 1, the top block 19 moves to the first inclined plane 1601, so that the support plate 10 gradually rotates from a horizontal state to an inclined state, as shown in fig. 11, when the support plate 10 horizontally rotates to the inclined state, the welded cylinder 8 can be positioned between the two support plates 10, when the support plate 10 is in the inclined state, the clamping block 21 slides towards the connecting shaft 14 under the action of gravity, in addition, in the downward deflection process of the support plate 10, the second gear 15 is meshed with the second rack 18, so that the connecting shaft 14 is driven to rotate, the connecting shaft 14 can drive the positioning rod 9 to rotate to the end part of the support plate 10 again, so that the positioning rod 9 is positioned in the length direction of the support plate 10, particularly as shown in fig. 11, when the positioning rod 9 rotates to the state as shown in fig. 11, the clamping groove 1401 is aligned with the clamping block 21, so that one end of the clamping block 21 can be reinserted into the clamping groove 1401, and then the positioning rod 9 and the support plate 10 are locked, so that the stability of the positioning rod 9 is kept, after the support plate 10 deflects downwards, the second gear 15 is meshed with the second rack 18, the second gear 10 can be conveniently rotated downwards, and the cylinder 8 can be positioned downwards through the positioning rod 8, and the downward rotation of the positioning rod 8 is continued, and the positioning rod 8 can be conveniently and the welded in the vertical state.
In summary, this device can press from both sides the cylinder body 8 tightly through the backup pad 10 that sets up at the in-process that backup pad 10 upwards deflects to be favorable to carrying out the location to the position of cylinder body 8 for backup pad 10 through locating lever 9, make the distance that two cylinder body 8 tip stretches out backup pad 10 the same, consequently, when two backup pads 10 are close to each other, the position that two cylinder bodies 8 are laminated can remain unchanged for backup pad 10, thereby avoided the frequent regulation of soldered connection 29 position, be favorable to improving welding efficiency, and after the welding is accomplished, welded cylinder body 8 can slide to locating lever 9 department along backup pad 10, be favorable to the staff to take out welded cylinder body 8.
As shown in fig. 1-3 and 6-8, in order to drive the top block 19 to slide on the top of the bottom plate 1, a screw rod 3 may be disposed above the bottom plate 1, the screw rod 3 passes through the top block 19 and is in threaded connection with the top block, and two sections of external threads with opposite screw directions are disposed on the screw rod 3, which are favorable for driving the two top blocks 19 to approach each other or separate from each other, in addition, a chute slidingly matched with the top block 19 is provided on the top of the bottom plate 1, bases are disposed at two ends of the screw rod 3, the screw rod 3 is rotationally matched with the bases, the bases are fixed on the bottom plate 1, a motor is mounted on the top of the bottom plate 1, and one end of the screw rod 3 is in transmission connection with an output shaft of the motor, so as to drive the screw rod 3 to rotate.
Supporting legs are fixedly arranged between the sliding rail 4 and the bottom plate 1, a fixing plate 2 is fixedly arranged on one side of each supporting leg, the first rack 20 and the second rack 18 are fixedly connected with the fixing plate 2, in addition, the first rack 20 and the second rack 18 are arc-shaped, and the circle centers of the first rack 20 and the second rack 18 are on the same straight line with the rotation center of the supporting plate 10.
The sliding block 5 is fixedly provided with a cross rod on one side surface close to the positioning rod 9, the cross rod passes through the sliding rail 4 and is in sliding fit with the sliding rail, a limit spring 7 is sleeved outside the cross rod, the limit spring 7 is positioned on one side of the sliding block 5 close to the positioning rod 9, and the limit spring 7 is positioned between the sliding block 5 and the end surface of the sliding rail 4.
The top end of the top block 19 is rotatably provided with a roller, so as to reduce the friction between the top block 19 and the pressing block 16.
The inner wall of the supporting plate 10 is provided with a mounting groove, and the pressing plate 22 is slidably arranged in the mounting groove;
The top surface of the support block 32 is provided with a first groove, the limiting block 24 is slidably disposed in the first groove, and a first spring is fixedly disposed between the inner end surface of the first groove and the limiting block 24.
The notch is provided with a second groove on the inner top surface and the bottom surface, the stop 1703 is slidably arranged in the second groove, and a second spring is fixedly arranged between the inner end surface of the second groove and the stop 1703
Further, a guiding hole is formed in the inner side surface of the pull plate 17, a sliding rod 28 slidably connected with the guiding hole is fixedly arranged on the pressing block 16, a spring is fixedly arranged between the pull plate 17 and the pressing block 16 and sleeved on the outer side of the sliding rod 28, in addition, an air inlet 1702 and an air outlet 1701 which are communicated with the guiding hole can be formed in the pull plate 17, the inner diameter of the air inlet 1702 is smaller than that of the air outlet 1701, a one-way valve is arranged in the air outlet 1701, so that air in the guiding hole can be led out in a one-way mode only through the air outlet 1701, in actual use, when the top block 19 drives the pull plate 17 to be far away from the pressing block 16, external air can enter the guiding hole through the air inlet 1702, then when the limit spring 7 drives the sliding block 5 and the supporting plate 10 to reset, the pull plate 17 can be attached to the top block 19 again, and at the moment, the pull plate 17 and the top block 19 can be pressed again, but through the air outlet 1701, the air in the guiding hole is slower in the air outlet speed, therefore, the reset time of the pull plate 17 needs to be longer, and in a certain time, when the air outlet 1701 is driven by the air outlet 1701, the cylinder body 22 is driven to rotate, the cylinder body 22 is completely, and the air can be prevented from being deflected from the cylinder body 22, and the air spring 22 from being completely from being rotated to the cylinder body 8.
As shown in fig. 8, the support plate 10 is provided with a circular hole, so that one end of the connecting shaft 14 is inserted into the circular hole and is in running fit with the support plate 10, a T-shaped slot slidingly engaged with the clamping block 21 is formed in the inner wall of the circular hole, a third spring is fixedly arranged between the end of the clamping block 21 and the end surface of the T-shaped slot, and when the support plate 10 is in an inclined state, the clamping block 21 overcomes the elasticity of the third spring and slides downwards, so that one end of the clamping block 21 can be inserted into the clamping slot 1401.
As shown in fig. 9-10, in actual use, the welding head 29 may be mounted on a mechanical arm, and as another embodiment, a supporting frame 30 may be mounted above the base plate 1 in another manner, the supporting frame 30 is mounted on the ground through an external bracket, the supporting frame 30 is provided with an annular opening, a through arc-shaped slot is formed on an inner side wall of the mounting frame, a rotating bar 31 is slidably disposed in the arc-shaped slot, the welding head 29 is fixedly mounted at an inner wall of the rotating bar 31, at least two welding heads 29 are disposed, a driving gear is fixedly disposed on an outer peripheral surface of the rotating bar 31, and a driving gear is disposed outside the mounting frame and extends into the arc-shaped slot and is meshed with the driving gear, so that the rotating bar 31 and the welding head 29 are driven to rotate, thereby being beneficial to welding the cylinder 8.
Claims (10)
1. The utility model provides a pneumatic cylinder welding set, includes the bottom plate, and the bottom plate top is provided with two backup pads, and the bottom plate top is provided with the soldered connection that is used for carrying out welded cylinder body, its characterized in that: the front side and the rear side of the supporting plate are respectively provided with a sliding rail, sliding blocks are elastically arranged on the sliding rails, rotating shafts which are in running fit with the sliding blocks are fixedly arranged on the front side and the rear side of the supporting plate, a pressing plate used for clamping a cylinder body is arranged on the supporting plate, a driving rod is rotationally connected to the pressing plate, a boss is fixedly arranged at the top of the supporting plate, and the driving rod penetrates through the boss and is in threaded connection with the boss;
The driving rod is provided with a driving component, when the supporting plate drives the cylinder body to rotate from an inclined state to a horizontal state, the driving component can drive the driving rod to rotate, so that the pressing plate is enabled to be close to the cylinder body and clamp the cylinder body, one end of the supporting plate is provided with a positioning component, when the cylinder body is placed at the top of the supporting plate, one end of the cylinder body is located at the positioning component, and when the supporting plate drives the cylinder body to rotate to the horizontal state, the positioning component deflects downwards and is staggered with the cylinder body.
2. A hydraulic cylinder welding apparatus according to claim 1, wherein: the bottom surface of backup pad is fixed to be provided with the briquetting, and the one end that locating component was kept away from to the briquetting sets up to first inclined plane, and briquetting bottom surface downward bulge forms the backstop portion, the top slip of bottom plate is provided with briquetting matched with kicking block.
3. A hydraulic cylinder welding apparatus according to claim 2, wherein: the driving assembly comprises a sleeve sleeved outside the driving rod, the sleeve is in running fit with the boss, a guide groove is formed in the inner wall of the sleeve, a guide bar which is in sliding fit with the guide groove is fixedly arranged on the outer peripheral surface of the driving rod, a first gear is arranged outside the sleeve through a first one-way bearing sleeve, a first rack meshed with the first gear is arranged above the bottom plate, a lantern ring is sleeved outside the sleeve, a supporting block is fixedly connected between the lantern ring and the supporting plate, a coil spring is sleeved outside the sleeve, and two ends of the coil spring are respectively connected with the sleeve and the lantern ring.
4. A hydraulic cylinder welding apparatus according to claim 3, wherein: the top surface elasticity of supporting shoe is provided with the stopper, a plurality of limit grooves with stopper matched with have been seted up on the telescopic outer peripheral face, stopper is close to telescopic one end and is provided with the second inclined plane, one side elasticity that stopper portion is close to the kicking block is provided with the arm-tie, fixedly between arm-tie and the stopper, the arm-tie is close to and has seted up the notch on the side of kicking block, and notch inside top surface and bottom surface department all elasticity are provided with the dog, a side that the kicking block is close to the arm-tie is fixed and is provided with the pull rod, and one end top and the bottom that the kicking block was kept away from to the pull rod are all fixed and are provided with the lug, the one side that the pull rod was kept away from to the lug sets up to the arc.
5. The hydraulic cylinder welding apparatus according to claim 4, wherein: the locating component includes the locating lever of rotating with the backup pad and being connected, and the locating lever wholly sets up to the U type, and the one end that the locating lever is close to the backup pad is fixed to be provided with the connecting axle, and the connecting axle passes the one end of locating lever and be equipped with the second gear through the one-way bearing housing of second, and the connecting axle other end and backup pad normal running fit, the top of bottom plate is provided with the second rack with second gear engaged with, elastic connection has the fixture block in the backup pad, and the fixture block sets up to the T type, and the fixture block can slide along the length direction of backup pad, set up on the outer peripheral face of connecting axle with fixture block matched with draw-in groove.
6. A hydraulic cylinder welding apparatus according to claim 5, wherein: the first rack and the second rack are both arc-shaped.
7. A hydraulic cylinder welding apparatus according to claim 5, wherein: the sliding block is fixedly provided with a cross rod on one side surface close to the positioning rod, the cross rod penetrates through the sliding rail and is in sliding fit with the sliding rail, a limit spring is sleeved outside the cross rod, the limit spring is located on one side of the sliding block close to the positioning rod, and the limit spring is located between the sliding block and the end surface of the sliding rail.
8. A hydraulic cylinder welding apparatus according to claim 2, wherein: the top of the top block is rotatably provided with a rolling shaft.
9. A hydraulic cylinder welding apparatus according to claim 5, wherein: supporting legs are fixedly arranged between the sliding rail and the bottom plate, a fixing plate is fixedly arranged on one side of each supporting leg, and the first rack and the second rack are fixedly connected with the fixing plate.
10. A method of welding using a hydraulic cylinder welding apparatus as claimed in any one of claims 5 to 7, comprising the steps of: placing the cylinder body on the top of the supporting plate so that one end of the cylinder body abuts against the positioning rod; the two jacking blocks are driven to slide on the top of the bottom plate, so that the supporting plate rotates from an inclined state to a horizontal state, in the process, the cylinder body is clamped by the pressing plate, and the positioning rod deflects downwards relative to the supporting plate and is staggered with the cylinder body; the cylinder body is welded through the welding head, after the welding is finished, the ejector block reversely moves at the top of the bottom plate to reset, the supporting plate gradually deflects downwards to a vertical state, and the cylinder body falls to the positioning rod along the supporting plate.
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