CN115070324A

CN115070324A - Welding equipment for machining side flange of air cylinder based on rail transit vehicle

Info

Publication number: CN115070324A
Application number: CN202210899569.0A
Authority: CN
Inventors: 吴建国; 吴敏超; 陆小军; 胡芝静
Original assignee: Changzhou Chaochuang Mechanical Equipment Co ltd
Current assignee: Changzhou Chaochuang Mechanical Equipment Co ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2022-09-20
Anticipated expiration: 2042-07-28
Also published as: CN115070324B

Abstract

The embodiment of the invention discloses welding equipment for machining a flange on the side of an air cylinder based on a rail transit vehicle, which relates to the technical field of welding equipment and comprises a welding mechanism, a driving mechanism, a bearing mechanism, a transmission part, a lifting component, a transmission component, a clamping mechanism, a first adjusting part and a second adjusting part, wherein the driving mechanism is arranged on the inner wall of the welding mechanism, the transmission part is arranged on the side wall of the bearing mechanism, the driving mechanism is respectively meshed and connected with the bearing mechanism and the transmission part, the welding mechanism is respectively connected with the outer side of the bearing mechanism in a sliding manner, the lifting component and the transmission component are both arranged on the inner side of the bearing mechanism, the inner side of the transmission part is meshed and connected with the lifting component and the transmission component, the clamping mechanism is arranged at the tops of the lifting component and the transmission component, one side of the clamping mechanism is meshed and connected with the top of the lifting component, the first adjusting part and the second adjusting part are respectively arranged in the welding mechanism and the bearing mechanism, the first adjusting part is magnetically connected with the driving mechanism, and the second adjusting part is respectively magnetically connected with the lifting assembly and the transmission assembly.

Description

Welding equipment for machining side flange of air cylinder based on rail transit vehicle

Technical Field

The invention relates to the technical field of welding equipment, in particular to welding equipment for machining a side flange of an air cylinder of a rail transit vehicle.

Background

With the development of science and technology, the construction pace of rail transit vehicles is also accelerating continuously, among many parts of rail transit vehicles, the vehicle air cylinder side flange is an important part, and the vehicle air cylinder side flange needs to be welded by using welding equipment during processing.

However, when the existing welding equipment for processing the flange on the side of the air cylinder of the vehicle is used, the problem that the flexibility of a welding part and a clamping mechanism is poor exists, and when the position of an included angle between the vertical surface and the horizontal surface of a flange needs to be welded and the interior of a pipeline with a certain inclined angle needs to be welded, the existing welding part (welding head) cannot be quickly welded, so that the welding time is prolonged to a certain extent.

Disclosure of Invention

The embodiment of the invention aims to provide welding equipment for machining a flange on the side of a wind cylinder of a rail transit vehicle, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: based on welding equipment for machining a flange on the side of an air cylinder of a rail transit vehicle, the welding equipment comprises a welding mechanism, a driving mechanism, a bearing mechanism, a transmission part, a lifting assembly, a transmission assembly, a clamping mechanism, a first adjusting part and a second adjusting part, wherein the upper end and the lower end of the driving mechanism are arranged on the inner wall of one side of the welding mechanism, the transmission part is movably sleeved on the side wall of the bearing mechanism, the upper side and the lower side of the driving mechanism are respectively meshed and connected with the bearing mechanism and the transmission part, the upper side and the lower side of the welding mechanism are respectively connected with the outer side of the bearing mechanism in a sliding manner, the lifting assembly and the transmission assembly are both arranged on the inner side of the bearing mechanism, the inner side of the transmission part is meshed and connected with the lifting assembly and the transmission assembly, the clamping mechanism is arranged at the tops of the lifting assembly and the transmission assembly, one side of the clamping mechanism is meshed and connected with the top of the lifting assembly, and the first adjusting part and the second adjusting part are respectively arranged in the welding mechanism and the bearing mechanism, the first adjusting part is magnetically connected with the driving mechanism, and the second adjusting part is magnetically connected with the lifting assembly and the transmission assembly respectively.

As a further scheme of the invention: welding mechanism includes weld part, longitudinal extension pole, upper fixing frame and mount down, mount fixed connection is in upper fixing frame bottom down, install driving motor, lead screw and horizontal migration frame in the upper fixing frame, the lead screw is connected with driving motor, horizontal migration frame one side threaded connection is in the lead screw outside, the opposite side at the horizontal migration frame is installed to longitudinal extension pole's top, the weld part is installed in longitudinal extension pole below, be provided with the cabin body in the mount down, first slider and second slider are installed respectively at both ends about the mount down, bear mechanism's lateral wall and first slider and second slider sliding connection, first regulating part is installed at the mount inner wall down.

As a still further scheme of the invention: the driving mechanism comprises a driving motor, a driving shaft, a first driving gear and a second driving gear, the driving motor is connected with the driving shaft, the end parts of the driving motor and the driving shaft are all arranged on the inner wall of the lower fixing frame, the first driving gear and the second driving gear are movably sleeved on the outer side of the driving shaft from top to bottom, the upper right part and the lower part of the outer side of the driving shaft are respectively connected with a first limiting rib and a second limiting rib which extend along the axial direction, the middle positions of the first driving gear and the second driving gear are respectively provided with a first limiting groove and a second limiting groove which are in sliding connection with the first limiting rib and the second limiting rib, the lower surface of the first driving gear is connected with a first magnet block, the upper surface of the second driving gear is connected with a second magnet block, the first adjusting part is respectively in magnetic connection with the first magnet block and the second magnet block, and the position on the driving shaft above the first driving gear is fixedly connected with a first limiting plate, the position fixedly connected with second limiting plate that is located the second drive gear below on the drive shaft, first drive gear is connected with the meshing of bearing the weight of the mechanism outside, second drive gear is connected with the meshing of driving medium outside.

As a still further scheme of the invention: bear mechanism including fixed casing and fixed gear, fixed shells inner wall installs the fixed plate, lifting unit and drive assembly install on the fixed plate, the fixed cover of fixed gear is established in the fixed casing outside, first drive gear is connected with the fixed gear meshing, and when first drive gear and fixed gear meshing, first drive gear upper surface and the laminating of first limiting plate, first guide rail has been seted up to the position that fixed casing lateral wall is located the fixed gear below, driving medium movable sleeve is established in first guide rail, the third guide rail has been seted up at the fixed casing top, the second guide rail has been seted up to the position that fixed casing lateral wall is located first guide rail below, first slider and second slider difference sliding connection are in third guide rail and second guide rail.

As a still further scheme of the invention: the contour of the transmission part is designed to be a circular ring, a plurality of external meshing teeth are arranged on the outer side of the transmission part, a plurality of internal meshing teeth are arranged on the inner side of the transmission part, the second driving gear is meshed with the external meshing teeth and is connected with the lifting assembly and the transmission assembly, and when the second driving gear is meshed with the external meshing teeth, the lower surface of the second driving gear is attached to the surface of the second limiting plate.

As a still further scheme of the invention: lifting unit includes screwed pipe, threaded rod and first drive gear, the screwed pipe is installed on the fixed plate, threaded connection is in the screwed pipe below the threaded rod, fixture installs in the threaded rod top, first drive gear movable sleeve is established in the screwed pipe outside, and the screwed pipe outside is connected with along axially extended third spacing muscle, the intermediate position of first drive gear set up with third spacing muscle sliding connection's third spacing groove, the inner gearing tooth is connected with the meshing of first drive gear, first drive gear surface connection has the third magnet piece, the position that the screwed pipe lateral wall is located first drive gear below is connected with the third limiting plate, the first ring channel of being connected with fixture is seted up to the threaded rod top.

As a still further scheme of the invention: the transmission assembly comprises a rotating pipe, a second transmission gear, a sliding rod and a worm, the cross section of the sliding rod is rectangular, the lower end of the sliding rod is movably sleeved above the rotating pipe, the lower part of the worm is connected above the sliding rod, a second annular groove connected with a clamping mechanism is formed in the surface of the sliding rod, the worm is meshed with one side of the clamping mechanism and is connected with one side of the clamping mechanism, the rotating pipe is arranged on one side of a fixed plate far away from the threaded pipe, the second transmission gear is movably sleeved outside the rotating pipe, an inner meshing tooth is meshed with the second transmission gear, the outer side of the rotating pipe is connected with a fourth limiting rib extending axially, a fourth limiting groove slidably connected with the fourth limiting rib is formed in the middle position of the second transmission gear, a fourth limiting plate is connected to the position of the side wall of the rotating pipe below the second transmission gear, and a fourth magnet block is connected to the upper surface of the second transmission gear, and two sides of the second adjusting part are respectively in magnetic connection with the third magnet block and the fourth magnet block.

As a still further scheme of the invention: the clamping mechanism comprises a bottom plate, a middle plate and a supporting platform, the middle plate is fixedly connected above the bottom plate, one side of the middle plate is connected with a rotating shaft, a worm wheel is fixedly sleeved in the middle of the rotating shaft, the worm wheel is meshed with the worm wheel, one side of the supporting platform is connected with a bracket which is fixedly sleeved on the rotating shaft, the surface of the bottom plate is respectively provided with a first sleeved hole and a second sleeved hole, the first annular groove and the second annular groove are respectively and movably sleeved in the first sleeve hole and the second sleeve hole, the upper surface of the supporting platform is provided with a clamping block, the upper surface of the middle plate is provided with a first chute, a second sliding groove is formed in the lower surface of the supporting platform, a fourth sliding block and a third sliding block are respectively connected in the first sliding groove and the second sliding groove in a sliding mode, and a connecting rod is hinged between the fourth sliding block and the third sliding block.

As a still further scheme of the invention: the first adjusting part comprises a first control power supply, a first lead, a first electromagnet and a second electromagnet, the surfaces of the first electromagnet and the second electromagnet are respectively connected with a first conductive seat and a second conductive seat, the first lead is respectively electrically connected with the first conductive seat and the second conductive seat, a first switch and a second switch are respectively connected between the first lead and the first conductive seat and between the first lead and the second conductive seat, the electrified first electromagnet and the electrified first magnet are mutually repellent in the same polarity, and the electrified second electromagnet and the electrified second magnet are mutually attracted in the opposite polarity;

the second adjusting part comprises a second control power supply, a second lead, a third electromagnet and a fourth electromagnet, the surfaces of the third electromagnet and the fourth electromagnet are respectively connected with a third conductive seat and a fourth conductive seat, the second lead is respectively electrically connected with the third conductive seat and the fourth conductive seat, a third switch and a fourth switch are respectively connected between the second lead and the third conductive seat and between the second lead and the fourth conductive seat, and the third electromagnet and the fourth electromagnet after being electrified are respectively attracted with a third magnet block and a fourth magnet block in opposite attraction.

As a still further scheme of the invention: the dust collection assembly comprises a dust collection valve, a connecting frame, a flexible pipe, a dust collection pump and a collection box, the dust collection valve is mounted on the side wall of the welding portion through the connecting frame, the dust collection pump and the collection box are mounted in the cabin body, the air inlet end of the dust collection pump is connected with the dust collection valve through the flexible pipe, and the collection box is connected with the air outlet end of the dust collection pump.

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

1. the electrified first electromagnet drives the first driving gear to move to a position meshed with the fixed gear by utilizing the principle that like poles repel each other, the driving motor rotates through the driving shaft and the first driving gear, the rotating first driving gear achieves the purpose of driving the welding part welding mechanism to rotate around the axis of the fixed shell in a mode of being meshed and connected with the fixed gear, and different positions of the flange can be welded by matching with the movement of the longitudinal telescopic rod and the lead screw in the process, so that the flange welding machine has the characteristics of convenience in adjustment and high working efficiency;

2. after the second electromagnet after power failure loses the adsorption effect on the second magnet block, the second driving gear can automatically fall at the position meshed with the transmission piece under the gravity, after the fourth electromagnet after power failure loses the adsorption effect on the fourth magnet block, the second transmission gear can automatically fall at the position meshed with the inner side of the transmission piece under the gravity, the driving motor can drive the transmission piece to rotate through the second driving gear, the rotating transmission piece can drive the rotating pipe, the sliding rod and the worm to rotate through the second transmission gear, the rotating worm drives the supporting platform and the flange to rotate around the axis of the rotating shaft through the worm gear, the welding part can conveniently weld different positions on the flange, and the flange welding device has the characteristics of convenience in adjustment and high working efficiency;

3. rotatory driving medium is inboard to drive the screwed pipe rotatory through first drive gear, and rotatory screwed pipe passes through the threaded rod and drives fixture and be elevating movement, when fixture damages needs the maintenance, rises fixture from fixed casing in, and the staff of being convenient for maintains it, descends it to fixed casing in when needs welding, and the purpose prevents that the residue that the welding produced from splashing, possesses the regulation of being convenient for, the maintenance of being convenient for and the high characteristics of factor of safety.

4. The dust absorption valve can follow the weld part and move together, so the dust absorption valve just can accurate direct extraction to the flue gas that the welding position produced, possesses the good characteristics of dust absorption effect.

Drawings

FIG. 1 is a perspective view of a welding device for machining a flange on the side of a wind cylinder of a rail transit vehicle according to an embodiment of the invention.

FIG. 2 is a schematic structural diagram of a welding device for machining a flange on the side of a wind cylinder of a rail transit vehicle according to an embodiment of the invention.

Fig. 3 is a perspective view of a drive mechanism in an embodiment of the present invention.

Fig. 4 is a perspective view of a support mechanism in an embodiment of the invention.

FIG. 5 is a perspective view of a transmission member in an embodiment of the present invention.

Fig. 6 is an assembly view of the driving mechanism, the carrying mechanism and the transmission member in the embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a welding mechanism in an embodiment of the invention.

Fig. 8 is a schematic structural diagram of a lifting assembly in an embodiment of the invention.

Fig. 9 is a schematic structural diagram of a transmission assembly in an embodiment of the invention.

FIG. 10 is a schematic structural diagram of a clamping mechanism according to an embodiment of the invention.

FIG. 11 is an assembly view of the driving member, the lifting member, the driving member and the clamping mechanism in an embodiment of the present invention.

Fig. 12 is a schematic structural diagram of the first adjusting portion in the embodiment of the present invention.

Fig. 13 is a schematic structural diagram of a second adjusting portion in the embodiment of the present invention.

FIG. 14 is a schematic view of a dust collection assembly according to an embodiment of the present invention.

Fig. 15 is a detailed structural diagram of welding equipment for machining a side flange of a wind cylinder of a rail transit vehicle according to an embodiment of the invention.

Fig. 16 is a partial enlarged view of a in fig. 15 according to the present invention.

Fig. 17 is a partial enlarged view of b of fig. 15 according to the present invention.

Fig. 18 is a partial enlarged view of c of fig. 15 according to the present invention.

In the figure: 1-driving mechanism, 11-driving motor, 12-driving shaft, 121-first limiting rib, 122-second limiting rib, 123-first limiting plate, 124-second limiting plate, 13-first driving gear, 131-first magnet block, 14-second driving gear, 141-second magnet block, 2-bearing mechanism, 21-fixed shell, 22-fixed gear, 23-first guide rail, 24-second guide rail, 25-third guide rail, 3-transmission piece, 31-external meshing gear, 32-internal meshing gear, 4-welding mechanism, 41-welding part, 42-longitudinal telescopic rod, 43-upper fixed frame, 431-driving motor, 432-lead screw, 433-horizontal moving frame, 44-lower fixed frame, 441-cabin body, 442-first sliding block, 443-second sliding block, 5-lifting component, 51-threaded pipe, 511-third limiting rib, 512-third limiting plate, 52-threaded rod, 521-first annular groove, 53-first transmission gear, 531-third magnet block, 6-transmission component, 61-rotating pipe, 611-fourth limiting rib, 612-fourth limiting plate, 62-second transmission gear, 621-fourth magnet block, 63-sliding rod, 631-second annular groove, 64-worm, 7-clamping mechanism, 71-bottom plate, 711-first connecting hole, 712-second connecting hole, 72-middle plate, 721-rotating shaft, 722-worm gear, 723-first sliding groove, 73-supporting platform, 731-clamping block, 732-bracket, 733-second chute, 734-third slider, 735-connecting rod, 736-fourth slider, 8-first adjusting part, 81-first control power supply, 82-first lead, 821-first switch, 822-second switch, 83-first electromagnet, 831-first conducting seat, 84-second electromagnet, 841-second conducting seat, 9-second adjusting part, 91-second control power supply, 92-second lead, 921-third switch, 922-fourth switch, 93-third electromagnet, 931-third conducting seat, 94-fourth electromagnet, 941-fourth conducting seat, 10-dust-suction component, 101-dust-suction valve, 102-connecting frame, 103-flexible tube, 104-dust suction pump, 105-collection box.

Detailed Description

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 to 15, the present embodiment provides a welding device for machining a flange on a side of a cylinder of a rail transit vehicle, including a welding mechanism 4, a driving mechanism 1, a carrying mechanism 2, a transmission member 3, a lifting assembly 5, a transmission assembly 6, a clamping mechanism 7, a first adjusting portion 8 and a second adjusting portion 9, wherein upper and lower ends of the driving mechanism 1 are installed on an inner wall of one side of the welding mechanism 4, the transmission member 3 is movably sleeved on a side wall of the carrying mechanism 2, upper and lower sides of the driving mechanism 1 are respectively engaged with the carrying mechanism 2 and the transmission member 3, upper and lower sides of the welding mechanism 4 are respectively connected with an outer side of the carrying mechanism 2 in a sliding manner, the lifting assembly 5 and the transmission assembly 6 are both installed on an inner side of the carrying mechanism 2, an inner side of the transmission member 3 is engaged with the lifting assembly 5 and the transmission assembly 6, the clamping mechanism 7 is installed on top portions of the lifting assembly 5 and the transmission assembly 6, and one side of the clamping mechanism 7 is engaged with the top of the lifting component 5, the first adjusting part 8 and the second adjusting part 9 are respectively installed in the welding mechanism 4 and the bearing mechanism 2, the first adjusting part 8 is magnetically connected with the driving mechanism 1, and the second adjusting part 9 is respectively magnetically connected with the lifting component 5 and the transmission component 6.

Referring to fig. 1 to 15, as an embodiment of the present invention, the welding mechanism 4 includes a welding portion 41, a longitudinal telescopic rod 42, an upper fixing frame 43 and a lower fixing frame 44, the lower fixing frame 44 is fixedly connected to the bottom of the upper fixing frame 43, a driving motor 431, a lead screw 432 and a horizontal moving frame 433 are installed in the upper fixing frame 43, the lead screw 432 is connected with the driving motor 431, one side of the horizontal moving frame 433 is connected with the outer side of the lead screw 432 in a threaded manner, the upper part of the longitudinal expansion link 42 is installed at the other side of the horizontal moving frame 433, the welding part 41 is installed below the longitudinal expansion link 42, a cabin 441 is arranged in the lower fixing frame 44, a first sliding block 442 and a second sliding block 443 are respectively arranged at the upper end and the lower end of the lower fixing frame 44, the side wall of the bearing mechanism 2 is connected with the first sliding block 442 and the second sliding block 443 in a sliding manner, and the first adjusting part 8 is mounted on the inner wall of the lower fixing frame 44.

Among the above technical scheme, when the height of weld part 41 needs to be adjusted, start vertical telescopic rod 42 and drive weld part 41 towards the direction motion of being close to or keeping away from fixture 7, when the horizontal position of weld part 41 needs to be adjusted, start driving motor 431 and drive lead screw 432 rotatory, install the nut piece in horizontal migration frame 433, rotatory lead screw 432 can drive horizontal migration frame 433, vertical telescopic rod 42 and weld part 41 through the nut piece and do horizontal motion.

Referring to fig. 1 to 16, as an embodiment of the present invention, the driving mechanism 1 includes a driving motor 11, a driving shaft 12, a first driving gear 13 and a second driving gear 14, the driving motor 11 is connected to the driving shaft 12, the ends of the driving motor 11 and the driving shaft 12 are both installed on the inner wall of a lower fixing frame 44, the first driving gear 13 and the second driving gear 14 are movably sleeved on the outer side of the driving shaft 12 from top to bottom, the outer side of the driving shaft 12 is connected to a first limiting rib 121 and a second limiting rib 122 extending along an axial direction from top to bottom, a first limiting groove and a second limiting groove slidably connected to the first limiting rib 121 and the second limiting rib 122 are respectively formed in the middle positions of the first driving gear 13 and the second driving gear 14, a first magnet block 131 is connected to the lower surface of the first driving gear 13, and a second magnet block 141 is connected to the upper surface of the second driving gear 14, first regulation portion 8 is connected with first magnet piece 131 and second magnet piece 141 magnetism respectively, the first limiting plate 123 of position fixedly connected with that lies in first drive gear 13 top on the drive shaft 12, the position fixedly connected with second limiting plate 124 that lies in second drive gear 14 below on the drive shaft 12, first drive gear 13 is connected with the meshing in the 2 outsides of load bearing mechanism, second drive gear 14 is connected with the meshing in the 3 outsides of driving medium.

In the above technical solution, the driving motor 11 can simultaneously drive the first driving gear 13 and the second driving gear 14 to rotate through the driving shaft 12.

Referring to fig. 1 to 18, as an embodiment of the present invention, the supporting mechanism 2 includes a fixed housing 21 and a fixed gear 22, the inner wall of the fixed shell 21 is provided with a fixed plate, the lifting component 5 and the transmission component 6 are arranged on the fixed plate, the fixed gear 22 is fixedly sleeved outside the fixed shell 21, the first driving gear 13 is meshed with the fixed gear 22, when the first driving gear 13 is engaged with the fixed gear 22, the upper surface of the first driving gear 13 is engaged with the first stopper plate 123, a first guide rail 23 is formed at a position of a side wall of the fixed housing 21 below the fixed gear 22, the transmission piece 3 is movably sleeved in the first guide rail 23, the top of the fixed shell 21 is provided with a third guide rail 25, a second guide rail 24 is arranged on the side wall of the fixed shell 21 at a position below the first guide rail 23, the first slider 442 and the second slider 443 are slidably coupled within the third guide rail 25 and the second guide rail 24, respectively.

Referring to fig. 1 to 18, as an embodiment of the present invention, the outline of the transmission member 3 is designed as a circular ring, the outer side of the transmission member 3 is provided with a plurality of external teeth 31, the inner side of the transmission member is provided with a plurality of internal teeth 32, the second driving gear 14 is in meshing connection with the external teeth 31, both the lifting assembly 5 and the transmission assembly 6 are in meshing connection with the internal teeth 32, and when the second driving gear 14 is in meshing connection with the external teeth 31, the lower surface of the second driving gear 14 is attached to the surface of the second limiting plate 124.

Referring to fig. 2 to 18, as an embodiment of the present invention, the lifting assembly 5 includes a threaded pipe 51, a threaded rod 52 and a first transmission gear 53, the threaded pipe 51 is arranged on the fixing plate, the lower part of the threaded rod 52 is in threaded connection with the threaded pipe 51, the clamping mechanism 7 is arranged above the threaded rod 52, the first transmission gear 53 is movably sleeved outside the threaded pipe 51, the outer side of the threaded pipe 51 is connected with a third limiting rib 511 extending along the axial direction, a third limiting groove connected with the third limiting rib 511 in a sliding manner is formed in the middle of the first transmission gear 53, the inner gear 32 is engaged with the first transmission gear 53, the upper surface of the first transmission gear 53 is connected with a third magnet 531, a third limiting plate 512 is connected to the side wall of the threaded pipe 51 below the first transmission gear 53, a first annular groove 521 connected with the clamping mechanism 7 is formed above the threaded rod 52.

Among the above technical scheme, rotatory driving medium 3 is inboard to drive the screwed pipe 51 rotatory through first drive gear 53, rotatory screwed pipe passes through threaded rod 52 and drives fixture 7 and be elevating movement, when fixture 7 damages needs the maintenance, rise fixture 7 from fixed casing 21 in, the staff of being convenient for maintains it, descend it to fixed casing 21 in when needs welding, the purpose is that the residue that prevents the welding production splashes, it is convenient for adjust, be convenient for maintain and the high characteristics of factor of safety.

Referring to fig. 2 to 18, as an embodiment of the present invention, the transmission assembly 6 includes a rotating tube 61, a second transmission gear 62, a sliding rod 63 and a worm 64, the cross section of the sliding rod 63 is rectangular, the lower end of the sliding rod 63 is movably sleeved on the rotating tube 61, the lower end of the worm 64 is connected to the upper end of the sliding rod 63, the surface of the sliding rod 63 is provided with a second annular groove 631 connected to the clamping mechanism 7, the worm 64 is engaged with one side of the clamping mechanism 7, the rotating tube 61 is mounted on the fixing plate at a side far from the threaded tube 51, the second transmission gear 62 is movably sleeved on the outer side of the rotating tube 61, the inner teeth 32 are engaged with the second transmission gear 62, the outer side of the rotating tube 61 is connected to a fourth limiting rib 611 extending axially, the middle position of the second transmission gear 62 is provided with a fourth limiting groove slidably connected to the fourth limiting rib 611, the side wall of the rotating pipe 61 is connected with a fourth limiting plate 612 at a position below the second transmission gear 62, the upper surface of the second transmission gear 62 is connected with a fourth magnet block 621, and two sides of the second adjusting part 9 are respectively magnetically connected with the third magnet block 531 and the fourth magnet block 621.

In the above technical solution, the rotating transmission member 3 drives the rotating pipe 61, the sliding rod 63 and the worm 64 to rotate through the second transmission gear 62, and the rotating worm 64 drives the supporting platform 73 and the flange to rotate around the axis of the rotating shaft 721 through the worm gear 722, so that the welding part 41 can weld different positions on the flange conveniently.

Referring to fig. 1 to 15, as an embodiment of the present invention, the clamping mechanism 7 includes a bottom plate 71, an intermediate plate 72 and a supporting platform 73, the intermediate plate 72 is fixedly connected above the bottom plate 71, one side of the intermediate plate 72 is connected to a rotating shaft 721, a worm wheel 722 is fixedly sleeved at a middle position of the rotating shaft 721, the worm 64 is engaged with the worm wheel 722, one side of the supporting platform 73 is connected to a bracket 732, the bracket 732 is fixedly sleeved on the rotating shaft 721, the surface of the bottom plate 71 is respectively provided with a first engaging hole 711 and a second engaging hole 712, the first annular groove 521 and the second annular groove 631 are respectively movably sleeved in the first engaging hole 711 and the second engaging hole 712, the upper surface of the supporting platform 73 is provided with a clamping block 731, the upper surface of the intermediate plate 72 is provided with a first sliding groove 723, the lower surface of the supporting platform 73 is provided with a second sliding groove 733, a fourth slider 736 and a third slider 734 are respectively connected in the first sliding groove 723 and the second sliding groove 733 in a sliding manner, and a connecting rod 735 is hinged between the fourth slider 736 and the third slider 734.

In the above technical solution, the bottom plate 71 and the first and second

engaging holes

711 and 712 are designed such that the threaded rod 52 can drive the sliding rod 63 and the worm 64 to move up and down together through the bottom plate 71.

Referring to fig. 2 to 18, as an embodiment of the present invention, the first adjusting portion 8 includes a first control power source 81, a first conducting wire 82, a first electromagnet 83 and a second electromagnet 84, the surfaces of the first electromagnet 83 and the second electromagnet 84 are respectively connected with a first conducting seat 831 and a second conducting seat 841, the first conducting wire 82 is respectively electrically connected with the first conducting seat 831 and the second conducting seat 841, a first switch 821 and a second switch 822 are respectively connected between the first conducting wire 82 and the first conducting seat 831 and between the first conducting wire 82 and the second conducting seat 841, the electrified first electromagnet 83 is repelled by the same magnetic property as the first magnet block 131, and the electrified second electromagnet 84 is attracted by the opposite property as the second magnet block 141;

second regulation portion 9 includes second control power 91, second wire 92, third electro-magnet 93 and fourth electro-magnet 94 surface are connected with electrically conductive seat 931 of third and the electrically conductive seat 941 of fourth respectively, second wire 92 respectively with electrically conductive seat 931 of third and the electrically conductive seat 941 electric connection of fourth, and between second wire 92 and the electrically conductive seat 931 of third and be connected with third switch 921 and fourth switch 922 between second wire 92 and the electrically conductive seat 941 of fourth respectively, third electro-magnet 93 after the circular telegram and fourth electro-magnet 94 respectively with third magnet piece 531 and fourth magnet piece 621 opposite poles attract.

Referring to fig. 2, 7 and 15, as an embodiment of the present invention, the dust collection assembly 10 further includes a dust collection valve 101, a connection frame 102, a flexible pipe 103, a dust collection pump 104 and a collection box 105, the dust collection valve 101 is mounted on a side wall of the welding portion 41 through the connection frame 102, the dust collection pump 104 and the collection box 105 are mounted in the cabin 441, an air inlet end of the dust collection pump 104 is connected to the dust collection valve 101 through the flexible pipe 103, and the collection box 105 is connected to an air outlet end of the dust collection pump 104.

Among the above technical scheme, dust absorption valve 101 can follow welding part 41 and move together, so dust absorption valve 101 just can be accurate direct extraction to the flue gas that welding part produced, possess the effectual characteristics of dust absorption.

According to the working principle of the invention, when the horizontal angle of the welding part 41 needs to be adjusted, the first switch 821 is firstly opened to electrify the first electromagnet 83, the electrified first electromagnet 83 drives the first driving gear 13 to move upwards along the first limiting rib 121 and the driving shaft 12 to the position attached to the first limiting plate 123 by utilizing the principle that like poles repel each other, at the moment, the first driving gear 13 is meshed with the fixed gear 22, then the driving motor 11 is started to drive the driving shaft 12 and the first driving gear 13 to rotate, the purpose of driving the welding part 41 welding mechanism 4 to rotate around the axis of the fixed shell 21 is achieved by the way that the rotating first driving gear 13 is meshed and connected with the fixed gear 22, and different positions of the flange can be welded by matching with the movement of the longitudinal telescopic rod 42 and the lead screw 432 in the process, so that the welding part 41 has the characteristics of convenience in adjustment and high working efficiency;

when the angle between the clamping mechanism 7 and the flange needs to be adjusted, the first switch 821 is first closed to disconnect the first electromagnet 83, so that the first driving gear 13 automatically falls on the first electromagnet 83 under the action of its own gravity, thereby separating the first driving gear 13 from the fixed gear 22, then the second switch 822 is disconnected to electrify the second electromagnet 84, after the second electromagnet 84 loses the adsorption effect on the second magnet block 141 after the power is cut off, the second driving gear 14 automatically falls on the second limiting plate 124 under the action of gravity, at this time, the second driving gear 14 is meshed with the transmission member 3, so that the driving motor 11 can drive the transmission member 3 to rotate through the second driving gear 14, then the fourth switch 922 is cut off, and similarly, after the fourth electromagnet 94 loses the adsorption effect on the fourth magnet block 621 after the power is cut off, the second transmission gear 62 automatically falls on the fourth limiting plate 612 under the action of gravity, at this time, the second transmission gear 62 is engaged with the inner side of the transmission member 3, the rotating transmission member 3 can drive the rotating pipe 61, the sliding rod 63 and the worm 64 to rotate through the second transmission gear 62, the rotating worm 64 drives the supporting platform 73 and the flange to rotate around the axis of the rotating shaft 721 through the worm gear 722, the welding part 41 can weld different positions on the flange conveniently, and the flange welding device has the characteristics of convenience in adjustment and high working efficiency.

It should be noted that, although the present specification describes embodiments, each embodiment does not include only a single technical solution, and such description of the specification is only for clarity, and those skilled in the art should take the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art, and the above-mentioned embodiments only express the preferred embodiments of the technical solutions, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the claims of the technical solutions. It should be noted that, for those skilled in the art, various modifications, improvements and substitutions can be made without departing from the spirit of the invention, and all of them belong to the protection scope of the technical solution.

Claims

1. Welding equipment for machining side flanges of air cylinders of rail transit vehicles comprises a welding mechanism (4) and is characterized by further comprising a driving mechanism (1), a bearing mechanism (2), a transmission piece (3), a lifting assembly (5), a transmission assembly (6), a clamping mechanism (7), a first adjusting part (8) and a second adjusting part (9), wherein the upper end and the lower end of the driving mechanism (1) are installed on the inner wall of one side of the welding mechanism (4), the transmission piece (3) is movably sleeved on the side wall of the bearing mechanism (2), the upper side and the lower side of the driving mechanism (1) are respectively meshed with the bearing mechanism (2) and the transmission piece (3), the upper side and the lower side of the welding mechanism (4) are respectively connected with the outer side of the bearing mechanism (2) in a sliding mode, the lifting assembly (5) and the transmission assembly (6) are both installed on the inner side of the bearing mechanism (2), and the inner side of the transmission piece (3) is meshed with the lifting assembly (5) and the transmission assembly (6), fixture (7) are installed at the top of lifting unit (5) and drive assembly (6), and one side and lifting unit (5) top meshing of fixture (7) are connected, install respectively in welding mechanism (4) and bearing mechanism (2) first regulation portion (8) and second regulation portion (9), first regulation portion (8) are connected with actuating mechanism (1) magnetism, second regulation portion (9) are connected with lifting unit (5) and drive assembly (6) magnetism respectively.

2. The welding equipment for machining the flange on the side of the air cylinder of the rail transit vehicle as claimed in claim 1, wherein the welding mechanism (4) comprises a welding part (41), a longitudinal telescopic rod (42), an upper fixing frame (43) and a lower fixing frame (44), the lower fixing frame (44) is fixedly connected to the bottom of the upper fixing frame (43), a driving motor (431), a lead screw (432) and a horizontal moving frame (433) are installed in the upper fixing frame (43), the lead screw (432) is connected with the driving motor (431), one side of the horizontal moving frame (433) is in threaded connection with the outer side of the lead screw (432), the upper part of the longitudinal telescopic rod (42) is installed on the other side of the horizontal moving frame (433), the welding part (41) is installed below the longitudinal telescopic rod (42), a cabin body (441) is installed in the lower fixing frame (44), and a first sliding block (442) and a second sliding block (443) are respectively installed at the upper end and the lower end of the lower fixing frame (44) The side wall of the bearing mechanism (2) is connected with the first sliding block (442) and the second sliding block (443) in a sliding mode, and the first adjusting portion (8) is installed on the inner wall of the lower fixing frame (44).

3. The welding equipment for machining the flange on the side of the air cylinder of the rail transit vehicle as claimed in claim 2, wherein the driving mechanism (1) comprises a driving motor (11), a driving shaft (12), a first driving gear (13) and a second driving gear (14), the driving motor (11) is connected with the driving shaft (12), the end parts of the driving motor (11) and the driving shaft (12) are both installed on the inner wall of the lower fixing frame (44), the first driving gear (13) and the second driving gear (14) are movably sleeved on the outer side of the driving shaft (12) from top to bottom, the upper right and lower outer side of the driving shaft (12) are respectively connected with a first limiting rib (121) and a second limiting rib (122) which extend along the axial direction, the middle positions of the first driving gear (13) and the second driving gear (14) are respectively provided with a first limiting groove and a second limiting groove which are slidably connected with the first limiting rib (121) and the second limiting rib (122), the lower surface of first drive gear (13) is connected with first magnet piece (131), the upper surface of second drive gear (14) is connected with second magnet piece (141), first regulation portion (8) are connected with first magnet piece (131) and second magnet piece (141) magnetism respectively, be located the first limiting plate (123) of position fixedly connected with of first drive gear (13) top on drive shaft (12), be located position fixedly connected with second limiting plate (124) of second drive gear (14) below on drive shaft (12), first drive gear (13) are connected with the outside meshing of load-bearing mechanism (2), second drive gear (14) are connected with driving medium (3) outside meshing.

4. The welding equipment for machining the flange on the side of the air cylinder of the rail transit vehicle as claimed in claim 3, wherein the bearing mechanism (2) comprises a fixed shell (21) and a fixed gear (22), a fixed plate is installed on the inner wall of the fixed shell (21), the lifting assembly (5) and the transmission assembly (6) are installed on the fixed plate, the fixed gear (22) is fixedly sleeved on the outer side of the fixed shell (21), the first driving gear (13) is meshed with the fixed gear (22) and is connected with the fixed gear (22), when the first driving gear (13) is meshed with the fixed gear (22), the upper surface of the first driving gear (13) is attached to a first limiting plate (123), a first guide rail (23) is arranged at a position, below the fixed gear (22), on the side wall of the fixed shell (21), the transmission member (3) is movably sleeved in the first guide rail (23), the top of the fixed shell (21) is provided with a third guide rail (25), the side wall of the fixed shell (21) is positioned below the first guide rail (23) and provided with a second guide rail (24), and the first sliding block (442) and the second sliding block (443) are respectively connected in the third guide rail (25) and the second guide rail (24) in a sliding manner.

5. The welding equipment for machining the flange on the side of the air cylinder of the rail transit vehicle is characterized in that the outline of the transmission piece (3) is designed to be a circular ring, a plurality of external meshing teeth (31) are arranged on the outer side of the transmission piece (3), a plurality of internal meshing teeth (32) are arranged on the inner side of the transmission piece (3), the second driving gear (14) is meshed with the external meshing teeth (31), the lifting assembly (5) and the transmission assembly (6) are both meshed with the internal meshing teeth (32), and when the second driving gear (14) is meshed with the external meshing teeth (31), the lower surface of the second driving gear (14) is attached to the surface of the second limiting plate (124).

6. The welding equipment for machining the flange on the side of the air cylinder of the rail transit vehicle as claimed in claim 5, wherein the lifting assembly (5) comprises a threaded pipe (51), a threaded rod (52) and a first transmission gear (53), the threaded pipe (51) is mounted on a fixed plate, the lower portion of the threaded rod (52) is in threaded connection with the interior of the threaded pipe (51), the clamping mechanism (7) is mounted above the threaded rod (52), the first transmission gear (53) is movably sleeved on the outer side of the threaded pipe (51), a third limiting rib (511) extending along the axial direction is connected to the outer side of the threaded pipe (51), a third limiting groove in sliding connection with the third limiting rib (511) is formed in the middle position of the first transmission gear (53), the inner meshing teeth (32) are in meshing connection with the first transmission gear (53), and a third magnet block (531) is connected to the upper surface of the first transmission gear (53), the position that screwed pipe (51) lateral wall is located first drive gear (53) below is connected with third limiting plate (512), first ring channel (521) of being connected with fixture (7) are seted up to threaded rod (52) top.

7. The welding equipment for machining the flange on the side of the air cylinder of the rail transit vehicle is characterized in that the transmission assembly (6) comprises a rotating pipe (61), a second transmission gear (62), a sliding rod (63) and a worm (64), the cross section of the sliding rod (63) is rectangular, the lower end of the sliding rod (63) is movably sleeved on the rotating pipe (61), the lower part of the worm (64) is connected above the sliding rod (63), a second annular groove (631) connected with the clamping mechanism (7) is formed in the surface of the sliding rod (63), the worm (64) is meshed and connected with one side of the clamping mechanism (7), the rotating pipe (61) is installed on one side, far away from the threaded pipe (51), of the fixed plate, the second transmission gear (62) is movably sleeved on the outer side of the rotating pipe (61), and the inner meshing teeth (32) are meshed and connected with the second transmission gear (62), the rotating tube (61) outside is connected with the spacing muscle of fourth (611) of axial extension, the intermediate position of second drive gear (62) offer with the spacing muscle of fourth (611) sliding connection's fourth spacing groove, the position that rotating tube (61) lateral wall is located second drive gear (62) below is connected with fourth limiting plate (612), second drive gear (62) upper surface is connected with fourth magnet piece (621), second regulation portion (9) both sides are connected with third magnet piece (531) and fourth magnet piece (621) magnetism respectively.

8. The welding equipment based on the rail transit vehicle air cylinder side flange processing is characterized in that the clamping mechanism (7) comprises a bottom plate (71), an intermediate plate (72) and a supporting platform (73), the intermediate plate (72) is fixedly connected above the bottom plate (71), one side of the intermediate plate (72) is connected with a rotating shaft (721), the middle position of the rotating shaft (721) is fixedly sleeved with a worm wheel (722), the worm (64) is meshed and connected with the worm wheel (722), one side of the supporting platform (73) is connected with a bracket (732), the bracket (732) is fixedly sleeved on the rotating shaft (721), the surface of the bottom plate (71) is respectively provided with a first sleeved hole (711) and a second sleeved hole (712), the first annular groove (521) and the second annular groove (631) are respectively movably sleeved in the first sleeved hole (711) and the second sleeved hole (712), supporting platform (73) upper surface is provided with grip block (731), first spout (723) have been seted up to intermediate lamella (72) upper surface, second spout (733) have been seted up to supporting platform (73) lower surface, sliding connection has fourth slider (736) and third slider (734) respectively in first spout (723) and second spout (733), it has connecting rod (735) to articulate between fourth slider (736) and third slider (734).

9. The welding equipment for machining the side flange of the air cylinder based on the rail transit vehicle as claimed in claim 8, characterized in that the first adjusting part (8) comprises a first control power supply (81), a first lead (82), a first electromagnet (83) and a second electromagnet (84), the surfaces of the first electromagnet (83) and the second electromagnet (84) are respectively connected with a first conductive seat (831) and a second conductive seat (841), the first conducting wire (82) is electrically connected with the first conducting seat (831) and the second conducting seat (841) respectively, a first switch (821) and a second switch (822) are respectively connected between the first lead (82) and the first conductive seat (831) and between the first lead (82) and the second conductive seat (841), the electrified first electromagnet (83) and the first magnet block (131) have the same polarity and repel each other, and the electrified second electromagnet (84) and the second magnet block (141) have the opposite polarity and attract each other;

second regulation portion (9) include second control power (91), second wire (92), third electro-magnet (93) and fourth electro-magnet (94) surface are connected with electrically conductive seat (931) of third and electrically conductive seat (941) of fourth respectively, second wire (92) respectively with electrically conductive seat (931) of third and electrically conductive seat (941) electric connection of fourth, and be connected with third switch (921) and fourth switch (922) respectively between second wire (92) and the electrically conductive seat (931) of third and between second wire (92) and the electrically conductive seat (941) of fourth, third electro-magnet (93) and fourth electro-magnet (94) after the circular telegram attract mutually with third piece (531) and fourth magnet piece (621) opposite sex respectively.

10. The welding equipment for machining the flange on the side of the air cylinder of the rail transit vehicle is characterized by further comprising a dust collection assembly (10), wherein the dust collection assembly (10) comprises a dust collection valve (101), a connecting frame (102), a flexible pipe (103), a dust collection pump (104) and a collection box (105), the dust collection valve (101) is installed on the side wall of the welding portion (41) through the connecting frame (102), the dust collection pump (104) and the collection box (105) are installed in a cabin body (441), the air inlet end of the dust collection pump (104) is connected with the dust collection valve (101) through the flexible pipe (103), and the collection box (105) is connected with the air outlet end of the dust collection pump (104).