CN113561028A

CN113561028A - Preprocessing mechanism for laser welding machine and using method thereof

Info

Publication number: CN113561028A
Application number: CN202111113398.6A
Authority: CN
Inventors: 王金秀; 张伟
Original assignee: Hunan Zhiyong Technology Co ltd
Current assignee: Hunan Zhiyong Technology Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2021-10-29

Abstract

The utility model relates to a preliminary treatment mechanism for laser-beam welding machine and application method thereof belongs to the laser welding field, through the preliminary treatment subassembly that sets up, control structure is used for adjusting the distance between stereoplasm sponge and the turning block, the last pressure adjustment structure that is used for adjusting turning block and stereoplasm sponge to work piece pressure that is equipped with of control structure, be close to the back with two preliminary treatment subassemblies, use the preliminary treatment subassembly to polish, clear up and preheat plate and pipe fitting, accomplish the preliminary treatment to the plate, realized convenient quick preliminary treatment to plate and key, it leads to exerting oneself inhomogeneously easily to polish in having solved prior art by hand, take out the oxide layer, the process of corrosion need make a round trip to clean hard, these processes lead to the long and consuming physical power of preliminary treatment consuming time, influence production efficiency's problem.

Description

Preprocessing mechanism for laser welding machine and using method thereof

Technical Field

The invention relates to a preprocessing mechanism for a laser welding machine and a using method thereof, belonging to the field of laser welding.

Background

The engine often can use laser welding technique to weld between pipe fitting or the plate in the in-process of production, need handle the position that pipe fitting or plate need weld before the welding moreover, make things convenient for the welding and improve welding strength.

However, in the existing laser welding pretreatment, a workpiece is usually manually held by hands, a required welding position is polished by sand paper or a grinding machine, and then a scaling powder is adhered to a copper wire, so that an oxidation layer, paint and rust at the required welding position are removed; and then, the position to be welded is preheated, wherein manual polishing easily causes uneven force application, the process of taking out an oxide layer and rusting needs to be wiped back and forth with force application, and the processes cause long time consumption of pretreatment and physical strength consumption, so that the production efficiency is influenced.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: manual polishing easily causes uneven force application, the process of taking out an oxide layer and rusting needs to be wiped back and forth with force application, the pretreatment consumes a long time and wastes physical force, and the production efficiency is influenced.

(II) technical scheme

In order to achieve the above object, the present invention provides a pre-processing mechanism for a laser welding machine and a method for using the same, comprising a mounting seat, a sliding cavity is arranged inside the mounting seat, a sliding chute communicated with the sliding cavity is arranged at the top of the mounting seat, a driving structure is arranged in the sliding cavity, two symmetrical supporting mechanisms are arranged at the top of the driving structure, the top of the supporting mechanism is provided with a clamping pretreatment mechanism, the clamping pretreatment mechanism is used for pretreating a workpiece before welding and fixing the workpiece during welding, the clamping pretreatment mechanism comprises a pretreatment assembly and a control structure positioned at the side of the pretreatment assembly, the control structure is used for adjusting the distance between the hard sponge and the rotating block, the control structure is provided with a pressure adjusting structure for adjusting the pressure of the rotating block and the hard sponge on the workpiece;

the pretreatment component comprises a hydraulic drive component, a rotating block and hard sponge positioned at the top of the rotating block, the two sides of the hydraulic driving component are respectively provided with a telescopic structure with a telescopic function, the hydraulic driving component is used for driving and controlling the telescopic structure to be telescopic, the hydraulic driving component is internally provided with liquid as a transmission medium, the opposite ends of the two telescopic structures are respectively provided with an arc-shaped sheet, the two ends of the hard sponge are respectively and rotatably provided with a first arc-shaped elastic sheet, the two ends of the rotating block are respectively and rotatably provided with a second arc-shaped elastic sheet, heating wires for preheating the workpiece are arranged on one side of the hard sponge and the rotating block and on the opposite side of the two polishing sheets, the hard sponge is fixedly provided with a plurality of copper wires on one side opposite to the electric heating wire, and the rotating block is fixedly provided with polishing sheets on one side opposite to the electric heating wire and on one side opposite to the two arc-shaped sheets.

Wherein, control structure includes that two connecting blocks and cover locate the C shaped plate on two connecting blocks, two the connecting block rotates respectively and connects in the tip of two arc shell fragment and the tip of two arc shell fragments No. one, the top of C shaped plate alternates and is equipped with the pivot, the handle is twisted to the both sides of pivot is all fixed being equipped with the hand, the fixed two-way threaded rod that is located the inside of C shaped plate that is equipped with of one end of pivot, two-way threaded rod and two connecting block threaded connection.

The driving structure comprises a driving component, two moving blocks and two dustproof components connected with the two moving blocks respectively, the driving component is used for driving the two moving blocks to be close to or away from each other, the driving component comprises a driving motor fixedly connected to one side of a mounting seat, an output shaft of the driving motor penetrates through the mounting seat and is fixedly provided with a first bidirectional threaded rod located inside a sliding cavity, and the two moving blocks are connected to two ends of the first bidirectional threaded rod in a threaded mode respectively.

Wherein, dustproof subassembly includes the dustproof zone structure and sets up between two dustproof zone structures and be used for hiding the T shape dust guard in gap between the dustproof zone structure, and the dustproof zone structure includes two bull sticks of fixed connection in sliding chamber inside, the bull stick is located the top of a two-way threaded rod, two the cover is equipped with the ash blocking belt on the bull stick, the both ends of ash blocking belt are connected with the both sides of movable block respectively, the spacing groove has been seted up to the both sides of spout, the both sides of ash blocking belt are equipped with the spacing that is located the spacing inslot and is used for supporting the ash blocking belt.

The supporting mechanism comprises a rotation adjusting structure positioned at the top of the moving block, a locking structure is arranged inside the rotation adjusting structure, the locking structure extends to one side of the rotation adjusting structure, and an angle adjusting structure is arranged on the other side inside the rotation adjusting structure; the rotation adjusting structure comprises a lifting block connected to the top of a moving block, a support frame and a limiting assembly sleeved on the support frame are fixedly arranged at the top of the lifting block, a side plate is arranged outside the limiting assembly, the limiting assembly comprises a rotating sleeve block sleeved on the support frame, a clamping block is arranged on one side of the rotating sleeve block, which is far away from a locking structure, in an alternating mode, a plurality of clamping teeth are arranged at one end, which is close to the support frame, of the clamping block, a sleeve is sleeved at one end, which is far away from the support frame, of the clamping block, liquid is arranged inside the sleeve, and the limiting assembly of the clamping block is matched with the locking structure to limit relative rotation between the lifting block and the side plate.

The locking structure comprises a cam structure, two pull rods and a connecting plate, the connecting plate is fixedly connected to the outside of the sleeve, the pull rods are fixedly connected to one side, close to the rotating sleeve block, of the connecting plate, one end of each pull rod penetrates through the rotating sleeve block and the side plate to be connected with the cam mechanism, the cam mechanism comprises a cam located on one side, far away from one side of the angle adjusting structure, a semicircular hole is formed in the bottom of one side of the cam, the two sides of the cam are rotatably connected with the pull rods, a poking rod is fixedly connected to the outside of the cam, the cam mechanism is used for pulling the pull rods, the other end of each pull rod is connected with the connecting plate, and the pull rods are matched with the connecting plate to control the limiting assemblies.

The angle adjusting structure comprises an arc tube fixedly connected with a side plate, the inside of the angle adjusting structure is provided with a clamping line, the inside of the arc tube is provided with a slidable arc inner tube, the outer surface of the arc inner tube is provided with two clamping lines meshed with the clamping line, one side of the arc inner tube close to the locking structure is provided with an opening, the top end of the arc inner tube is provided with a tooth socket used for being connected with a pretreatment assembly, the tooth socket realizes that the pretreatment assembly is connected with multiple angles, the inside of the arc inner tube is provided with an opening structure used for limiting the arc inner tube to slide in the arc tube, the opening structure comprises a connecting tube communicated with a sleeve, the end part of the connecting tube is communicated with a sealing tube located at the bottom end inside the arc inner tube, and two ends of the sealing tube are both hermetically connected with movable rods.

The hydraulic driving assembly comprises an outer pipe and an adjusting structure positioned inside the outer pipe, pistons are arranged at two ends inside the outer pipe and used for extruding liquid inside the outer pipe and keeping good sealing performance with the outer pipe, liquid outlet holes are formed in two sides of the outer pipe, the adjusting structure is used for enabling the two pistons to be close to each other to extrude the liquid to drive a telescopic structure when one piston rotates, the adjusting structure comprises two semicircular threaded rods fixedly connected to opposite sides of the pistons respectively, internal threaded rings are connected to the two semicircular threaded rods in a threaded mode, cross threads are arranged inside the internal threaded rings, the internal threaded rings are fixedly connected with the outer pipe through connecting rods, and end plates are fixedly connected to the ends of the two semicircular threaded rods; the telescopic structure includes two sleeve pipes that fixed connection in outer tube both sides and be linked together with the play liquid hole, the telescopic inside seal is equipped with interior pole, and the cover is equipped with same spacing frame on adjacent arc shell fragment and No. two arc shell fragments, the tip of interior pole passes spacing frame and the piece fixed connection of polishing, interior pole is located between an arc shell fragment and No. two arc shell fragments, the inside top of interior pole and inside bottom are all fixed and are equipped with spacing shell fragment.

The pressure adjusting structure comprises a tensioning cam connected to the hydraulic driving assembly and a tensioning cam located on the outer side of the control structure, the tensioning cam is used for pulling the pull rope to enable the control structure and the hydraulic driving assembly to be close to each other and adjusting the pressure of the hard sponge and the rotating block on a workpiece, the pull rope comprises a metal wire fixedly connected to the outer tube, the end portion of the metal wire penetrates through the C-shaped plate to extend to the outer side of the control structure, a soft sleeve and a plurality of fixing rings located inside the soft sleeve are sleeved on the metal wire, and clamping pieces are fixedly arranged on two sides of each fixing ring through the soft sleeve; the tensioning cam comprises two cams located on the outer side of the C-shaped plate, a limiting ring is arranged between the two cams in a rotating mode, two limiting pieces are fixedly arranged inside the limiting ring, a semicircular pipe is fixedly arranged at the nearest point of the two cams, a plurality of semicircular plates are fixedly arranged inside the semicircular pipe, and a semicircular groove is formed in the middle of each semicircular plate.

A use method of a pretreatment mechanism for a laser welding machine comprises the following steps:

step one, plate pretreatment: after the two pretreatment components are close to each other, placing the plate between the two pretreatment components and pushing the plate to finish the plate pretreatment;

step two, pretreatment of the pipe fitting: the pipe fitting is clamped by the arc-shaped sheet through the telescopic structure, then the pipe fitting is rotated to polish and heat the pipe fitting, and then the pipe fitting is clamped between the two pretreatment assemblies to be cleaned and heated, so that the pretreatment of the pipe fitting is completed;

step three, fixing the plate: the distance between the two connecting blocks is adjusted by using the control structure, and the plate is clamped by adjusting the distance between the hard sponge and the rotating block by using the lever principle, so that the plate can be fixed during welding;

step four, fixing the pipe fitting: the step is consistent with the step of polishing the pipe fitting, and then the outer pipe is continuously rotated to enable the two arc-shaped sheets to clamp the pipe fitting;

step five, angle adjustment: the support frame is controlled to rotate through the locking structure to adjust the direction of the pretreatment assembly, the arc inner tube is pulled out of the arc tube, and the inclination angle of the pretreatment assembly is adjusted.

(III) advantageous effects

The invention provides a preprocessing mechanism for a laser welding machine and a using method thereof, which have the beneficial effects that:

1. through the arranged pretreatment assembly, when the plate is pretreated, the two pretreatment assemblies are close to each other, the two hard sponges are attached together, meanwhile, the two rotating blocks are attached together, the edge of the plate is inserted between the two rotating blocks along the direction of the hard sponges, then the plate is pushed, the rotating blocks polish the edge of the plate, after polishing is finished, the edge of the plate is inserted between the two hard sponges along the direction of the hard sponges, the plate is pushed again, scaling powder in the hard sponges is extruded out, sundries on the surface of the edge of the plate are removed by copper wires on the hard sponges, in the process of polishing and cleaning the sundries, the edges of the plate can be heated by the heating wires on the hard sponges and the rotating blocks, and therefore welding pretreatment on the plate can be conveniently and quickly achieved; when the pipe fitting is pretreated, the outer pipe is rotated, the inner thread ring rotates on the surfaces of the two semicircular threaded rods, the two pistons are close to each other, the pistons extrude liquid in the outer pipe to enable the liquid to enter the inside of the first arc-shaped elastic piece through the liquid outlet holes, the liquid pushes the two inner rods and the arc-shaped pieces to be away from each other, then one end of the pipe fitting to be welded is sleeved on the limiting frame, the outer pipe is reversely rotated to enable the two arc-shaped pieces to close to each other and be attached to the surface of the pipe fitting, the pipe fitting is rotated, the arc-shaped pieces polish the surface of the pipe fitting, at the moment, the heating wire on the arc-shaped pieces heats one end of the pipe fitting, one end of the pipe fitting is placed between the two hard sponges, the two hard sponges have certain extrusion force on the pipe fitting, the pipe fitting is rotated, the hard sponges clean sundries on the surface of the pipe fitting, the heating wire on the hard sponges heats the pipe fitting, and realizes convenient and rapid welding pretreatment on the pipe fitting, the problems that in the prior art, manual polishing easily causes uneven force application, the oxide layer taking-out and rusting processes need to be wiped back and forth with force application, the pretreatment time is long, physical strength is consumed, and the production efficiency is influenced due to the processes are solved;

2. the distance between the two connecting blocks is adjusted by the control structure through the matching of the arranged control structure and the pretreatment assembly, so that the first arc-shaped elastic sheet and the second arc-shaped elastic sheet rotate, the distance between the hard sponge and the rotating block is adjusted by utilizing a lever principle, and the plate is clamped by utilizing the hard sponge and the rotating block, so that the plate can be fixed during welding;

3. through the arrangement of the first arc-shaped elastic sheet and the second arc-shaped elastic sheet, the plate can be prevented from being damaged and deformed in the processes of polishing and cleaning sundries by utilizing the elasticity of the first arc-shaped elastic sheet and the elasticity of the second arc-shaped elastic sheet, the hard sponge and the rotating block can be better attached to the surface of a workpiece, the pretreatment can achieve a better effect, and when the control structure pushes the first arc-shaped elastic sheet, the first arc-shaped elastic sheet can slowly move due to the elasticity of the first arc-shaped elastic sheet, so that the workpiece is further prevented from being damaged;

4. the distance between the control structure and the hydraulic driving assembly is adjusted by the aid of the pressure adjusting structure through matching of the arranged pressure adjusting structure and the preprocessing assembly, so that the first arc-shaped elastic sheet and the second arc-shaped elastic sheet move towards the direction of the hard sponge, pressure of the hard sponge and the rotating block on the plate can be conveniently adjusted, pressure on the plate can be adjusted according to workpieces of different materials and different types, and damage to the workpiece is avoided;

5. through the arranged pressure adjusting structure, when the distance between the adjusting control structure and the hydraulic driving assembly is adjusted, the pull rope is tensioned to enable the hard sponge and the rotating block to extrude a workpiece, the pressure of the hard sponge and the rotating block on the workpiece can be judged according to the deformation degree of the first arc-shaped elastic piece or the second arc-shaped elastic piece, then the tensioning cam is rotated to enable the limiting block to be clamped between two adjacent clamping pieces, relative sliding between the pull rope and the limiting ring is prevented, when the pull rope is further tensioned, the semicircular tube is rotated to enable the second cam to rotate, the farthest end of the second cam is abutted against the C-shaped plate, and the limiting ring is far away from the C-shaped plate, so that the pull rope is further tensioned, and the distance between the adjusting control structure and the hydraulic driving assembly is conveniently and quickly adjusted;

6. through the arranged semicircular pipe, when the semicircular pipe is rotated, the semicircular groove is clamped between the two cards, and the friction force between the cards and the semicircular groove prevents the cards from rotating, so that the relative rotation between the limiting piece and the cards is prevented;

7. the rotation adjusting structure can realize the rotation of the angle adjusting structure through the matched use of the arranged angle adjusting structure and the rotation adjusting structure, the arc-shaped inner pipe can be drawn out from the arc-shaped pipe, the inclination angle of the pretreatment assembly is adjusted, the position of the arc-shaped inner pipe is fixed through the opening structure, and when a workpiece is fixed, the angle and the direction of the workpiece can be adjusted, so that the multi-angle welding is convenient;

8. through the locking structure who sets up, through cam mechanism pulling pull rod, pull rod pulling sleeve makes the inside liquid of sleeve receive the extrusion, liquid promotes the fixture block and makes the fixture block the support frame and prevent that the support frame from taking place to rotate, then the inside of sleeve inside liquid through the connecting pipe entering into the sealed tube, then promote the sealed tube to the both ends of movable rod, the inside bottom of sealed tube extrusion arc inner tube makes the tooth of arc inner tube surface and the inside tooth meshing of arc tube, thereby can realize that the restriction rotates when adjusting the structure pivoted, can also control the movable rod and carry on spacingly to the arc inner tube.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of a pre-treatment mechanism for a laser welding machine according to the present application;

FIG. 2 is a schematic diagram illustrating a front sectional structure of a mounting seat in a preprocessing mechanism for a laser welding machine according to the present application;

FIG. 3 is a schematic side sectional view of a mounting seat of a preprocessing mechanism for a laser welding machine according to the present application;

FIG. 4 is a schematic diagram illustrating the structure of a clamping pre-treatment mechanism in a pre-treatment mechanism for a laser welding machine provided herein;

FIG. 5 is a schematic diagram illustrating an elevation cross-sectional structure of a clamping pre-treatment mechanism in a pre-treatment mechanism for a laser welding machine according to the present application;

FIG. 6 is a schematic side sectional view of a clamping preconditioner of the preconditioner for a laser welding machine as provided herein;

FIG. 7 is a schematic diagram of a hydraulic drive assembly of the preconditioning mechanism for a laser welding machine according to the present application;

FIG. 8 is a schematic diagram illustrating the structure of a support mechanism in a preprocessing mechanism for a laser welding machine according to the present application;

FIG. 9 is a schematic top view of a rotation adjustment structure of a pre-treatment mechanism for a laser welding machine according to the present application;

FIG. 10 is a schematic view showing the structure of a tension cam in the preprocessing mechanism for a laser welding machine according to the present application;

FIG. 11 is a schematic view showing the structure of a semicircular tube in a pretreatment mechanism for a laser welding machine according to the present application;

FIG. 12 is a schematic view of the construction of a draw cord in the preconditioner mechanism for a laser welder according to the present application;

fig. 13 is a schematic structural diagram of a limiting sheet in a preprocessing mechanism for a laser welding machine according to the present application.

1. A mounting seat; 2. a drive structure; 21. a drive motor; 22. a first bidirectional threaded rod; 23. a moving block; 24. a dust-proof belt structure; 241. a rotating rod; 242. a dust blocking belt; 243. a limiting strip; 25. a T-shaped dustproof baffle; 3. a rotation adjustment structure; 31. lifting the block; 32. a side plate; 33. a support frame; 34. rotating the sleeve block; 35. a clamping block; 36. a sleeve; 4. a locking structure; 41. a pull rod; 42. a first cam; 43. a semicircular hole; 44. a first poke rod; 45. a connecting plate; 5. a pre-processing assembly; 51. a hydraulic drive assembly; 511. an outer tube; 512. a piston; 513. a semicircular threaded rod; 514. an end plate; 515. an internally threaded ring; 516. a connecting rod; 517. a liquid outlet hole; 52. a telescopic structure; 521. a sleeve; 522. an inner rod; 523. a limiting frame; 524. a limiting elastic sheet; 53. an arc-shaped sheet; 54. a hard sponge; 55. a first arc-shaped elastic sheet; 56. rotating the block; 57. a second arc-shaped elastic sheet; 6. a control structure; 61. a C-shaped plate; 62. connecting blocks; 63. a second bidirectional threaded rod; 64. a rotating shaft; 65. the handle is screwed; 7. a pressure regulating structure; 71. pulling a rope; 711. a soft sleeve; 712. a card; 713. a fixing ring; 714. a metal wire; 72. tensioning the cam; 721. a limiting ring; 722. a limiting sheet; 723. a second cam; 724. a semicircular tube; 725. a semicircular plate; 726. a semicircular groove; 8. an angle adjustment structure; 81. an arc tube; 82. an arc-shaped inner pipe; 83. a sealing tube; 84. a movable rod; 85. a connecting pipe; 86. a tooth socket.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Example 1:

as shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, and 13, the present embodiment provides a pretreatment mechanism for a laser welding machine, which includes a mounting base 1, a sliding cavity is formed inside the mounting base 1, a sliding chute communicated with the sliding cavity is formed at the top of the mounting base 1, a driving structure 2 is arranged inside the sliding cavity, two symmetrical supporting mechanisms are arranged at the top of the driving structure 2, the driving structure 2 controls the movement of the supporting mechanism, a clamping pretreatment mechanism is arranged at the top of the supporting mechanism, the clamping pretreatment mechanism is used for pretreatment before welding and fixing of a workpiece during welding, the supporting mechanism realizes adjustment of the direction and angle of the clamping pretreatment mechanism, the clamping pretreatment mechanism includes a pretreatment module 5 and a control structure 6 located at the side of the pretreatment module 5, the control structure 6 is used for adjusting the distance between the hard sponge 54 and the rotating block 56, the control structure 6 is provided with a pressure adjusting structure 7 for adjusting the pressure of the rotating block 56 and the hard sponge 54 on a workpiece, after the two pretreatment assemblies 5 are close to each other, the pretreatment assemblies 5 are used for polishing, cleaning and preheating the plate and the pipe, so that the plate is pretreated, and when in welding, the workpiece needing to be welded is fixed and convenient to weld by matching the control structure 6 and the pretreatment assemblies 5;

the pretreatment component 5 comprises a hydraulic drive component 51, a rotating block 56 and a hard sponge 54 positioned at the top of the rotating block 56, wherein telescopic structures 52 with telescopic functions are arranged on two sides of the hydraulic drive component 51, the hydraulic drive component 51 is used for driving and controlling the telescopic structures 52 to stretch, liquid is arranged in the hydraulic drive component 51 as a transmission medium, arc-shaped sheets 53 are arranged at two opposite ends of the two telescopic structures 52, the telescopic structures 52 drive the arc-shaped sheets 53 to move, the two arc-shaped sheets 53 are controlled to be away from or close to each other, a first arc-shaped elastic sheet 55 is rotatably arranged at two ends of the hard sponge 54, a second arc-shaped elastic sheet 57 is rotatably arranged at two ends of the rotating block 56, electric heating wires for preheating workpieces are arranged on one side of the hard sponge 54 and one side of the two arc-shaped sheets 53, and a plurality of copper wires are fixedly arranged on one side of the hard sponge 54 opposite to the electric heating wires, arc-shaped sheets 53 are fixedly arranged on one side, opposite to the heating wire, of the rotating block 56 and one side, opposite to the two arc-shaped sheets 53, the arc-shaped sheets 53 are used for polishing and heating the pipe fitting, and the pipe fitting can be fixed during welding.

Example 2:

the scheme of example 1 is further described below in conjunction with specific working modes, which are described in detail below:

as shown in fig. 1, 2, 4, and 5, as a preferred embodiment, on the basis of the above-mentioned manner, the control structure 6 further includes two connecting blocks 62 and a C-shaped plate 61 sleeved on the two connecting blocks 62, the two connecting blocks 62 are respectively rotatably connected to the end portions of the two first arc-shaped elastic pieces 55 and the end portions of the two second arc-shaped elastic pieces 57, a rotating shaft 64 is inserted into the top portion of the C-shaped plate 61, two hand-tightening handles 65 are fixedly disposed on both sides of the rotating shaft 64, a second two-way threaded rod 63 disposed inside the C-shaped plate 61 is fixedly disposed at one end of the rotating shaft 64, the second two-way threaded rod 63 is in threaded connection with the two connecting blocks 62, the two hand-tightening handles 65 are screwed to make the rotating shaft 64 drive the second two-way threaded rod 63 to rotate, the distance between the two connecting blocks 62 is changed when the second two-way threaded rod 63 rotates, so that the first arc-shaped elastic pieces 55 and the second arc-shaped elastic pieces 57 rotate, therefore, the distance between the hard sponge 54 and the rotating block 56 can be adjusted by utilizing the lever principle, and the plate can be clamped by utilizing the hard sponge 54 and the rotating block 56, so that the plate can be fixed during welding.

As shown in fig. 1, 2, and 3, as a preferred embodiment, on the basis of the above manner, further, the driving structure 2 includes a driving assembly, two moving blocks 23, and two dustproof assemblies respectively connected to the two moving blocks 23, the driving assembly is configured to drive the two moving blocks 23 to approach to each other or to separate from each other, the driving assembly includes a driving motor 21 fixedly connected to one side of the mounting base 1, an output shaft of the driving motor 21 penetrates through the mounting base 1 and is fixedly provided with a first bidirectional threaded rod 22 located inside the sliding cavity, and the two moving blocks 23 are respectively connected to two ends of the first bidirectional threaded rod 22 in a threaded manner.

As shown in fig. 2 and fig. 3, as a preferred embodiment, based on the above-mentioned manner, further, the dust-proof assembly includes a dust-proof belt structure 24 and a T-shaped dust-proof baffle 25 disposed between the two dust-proof belt structures 24 and used for shielding a gap between the dust-proof belt structures 24, the dust-proof belt structure 24 includes two rotating rods 241 fixedly connected to the inside of the sliding cavity, the rotating rods 241 are located above the first two-way threaded rod 22, two rotating rods 241 are sleeved with a dust-blocking belt 242, two ends of the dust-blocking belt 242 are respectively connected to two sides of the moving block 23, two sides of the sliding groove are provided with limiting grooves, two sides of the dust-blocking belt 242 are provided with limiting strips 243 located in the limiting grooves and used for supporting the dust-blocking belt 242, the moving block 23 drives the dust-blocking belt 242 to rotate on the rotating rods 241 when moving, the limiting strips 243 can support the dust-blocking belt 242 to prevent the dust-blocking belt 242 from collapsing too soft, the dust-blocking belt 242 blocks dust from entering the sliding cavity when performing pretreatment and welding, and meanwhile, the moving block 23 is not influenced to drive the supporting mechanism to move.

As shown in fig. 8 and 9, as a preferred embodiment, in addition to the above manner, the supporting mechanism further includes a rotation adjusting structure 3 located at the top of the moving block 23, a locking structure 4 is provided inside the rotation adjusting structure 3, the locking structure 4 extends to one side of the rotation adjusting structure 3, and an angle adjusting structure 8 is provided on the other side inside the rotation adjusting structure 3; the rotation adjusting structure 3 comprises a lifting block 31 connected to the top of the moving block 23, a support frame 33 and a limiting component sleeved on the support frame 33 are fixedly arranged at the top of the lifting block 31, a side plate 32 is arranged outside the limiting component, the limiting component can clamp the support frame 33, so that the limiting component cannot rotate on the support frame 33, and the side plate 32 cannot rotate, the limiting component comprises a rotating sleeve block 34 sleeved on the support frame 33, a clamping block 35 is inserted into one side of the rotating sleeve block 34 far away from the locking structure 4, a plurality of clamping teeth are arranged at one end of the clamping block 35 close to the support frame 33, a sleeve 36 is sleeved at one end of the clamping block 35 far away from the support frame 33, liquid is arranged inside the sleeve 36, the limiting component of the clamping block 35 is matched with the locking structure 4 to limit relative rotation between the lifting block 31 and the side plate 32, the sleeve 36 moves towards the support frame 33, and the liquid inside the sleeve 36 is squeezed, the liquid pushes the latch 35 to make the latch 35 catch the support frame 33 to prevent the rotation between the support frame 33 and the latch.

As shown in fig. 8 and 9, as a preferred embodiment, on the basis of the above manner, further, the locking structure 4 includes a cam structure, two pull rods 41 and a connecting plate 45, the connecting plate 45 is fixedly connected to the outside of the sleeve 36, the pull rod 41 is fixedly connected to one side of the connecting plate 45 close to the rotating sleeve block 34, one end of the pull rod 41 passes through the rotating sleeve block 34 and the side plate 32 to be connected with the cam mechanism, the cam mechanism includes a first cam 42 located on one side of the side plate 32 far from the angle adjusting structure 8, a semicircular hole 43 is formed in the bottom of one side of the first cam 42, so that it is possible to avoid that the distance for pulling the pull rod 41 is too long, which results in damage to the limiting assembly, two sides of the first cam 42 are rotatably connected with the pull rod 41, a first poke rod 44 is fixedly connected to the outside of the first cam 42, the other end of the pull rod 41 is connected with the connecting plate 45, the pull rod 41 is matched with the connecting plate 45 to control the limiting assembly, the first poke rod 44 is rotated to enable the most pernicious far end of the first cam 42 to point to the first cam 42, and the first cam 42 pulls the pull rod 41, so that the sleeve 36 is driven by the connecting plate 45 to move towards the support frame 33.

As shown in fig. 7, 8 and 9, as a preferred embodiment, based on the above-mentioned manner, further, the angle adjusting structure 8 includes an arc tube 81 fixedly connected to the side plate 32, a first snap line is provided inside the angle adjusting structure 8, a slidable arc inner tube 82 is provided inside the arc tube 81, a second snap line engaged with the first snap line is provided on an outer surface of the arc inner tube 82, an opening is provided on a side of the arc inner tube 82 close to the locking structure 4, a tooth socket 86 for connecting with the pretreatment module 5 is provided at a top end of the arc inner tube 82, the tooth socket 86 realizes multi-angle connection with the pretreatment module 5, an opening structure for limiting the arc inner tube 82 to slide inside the arc tube 81 is provided inside the arc inner tube 82, the arc inner tube 82 can be drawn out from the arc tube 81, an inclination angle of the pretreatment module 5 is adjusted, and then the position of the arc inner tube 82 is fixed by the opening structure, the opening structure includes the connecting pipe 85 that is linked together with sleeve 36, the tip intercommunication of connecting pipe 85 is equipped with the sealed tube 83 that is located the inside bottom of arc inner tube 82, the equal sealing connection in both ends of sealed tube 83 has movable rod 84, after support frame 33 was blocked to fixture block 35, sleeve 36 continues to remove to support frame 33 direction, the inside liquid of sleeve 36 enters into sealed tube 83 through connecting pipe 85, liquid promotes movable rod 84 and makes arc inner tube 82 open, thereby be the outside card line of arc inner tube 82 and the inside card line mesh of arc tube 81 mutually, thereby it is spacing to carry out in the arc inner tube 82.

As shown in fig. 5, 6 and 7, as a preferred embodiment, based on the above manner, further, the hydraulic driving assembly 51 includes an outer tube 511 and an adjusting structure located inside the outer tube 511, two ends inside the outer tube 511 are respectively provided with a piston 512, the pistons 512 are used for extruding liquid inside the outer tube 511 and keeping good sealing performance with the outer tube 511, two sides of the outer tube 511 are respectively provided with a liquid outlet 517, the adjusting structure is used for, when one of the pistons 512 rotates, the two pistons 512 are close to each other to squeeze the liquid driving telescopic structure 52, the adjusting structure comprises two semicircular threaded rods 513 fixedly connected to opposite sides of the pistons 512 respectively, internal thread rings 515 are in threaded connection with the two semicircular threaded rods 513, cross threads are arranged inside the internal thread rings 515, the internal thread rings 515 are fixedly connected with the outer tube 511 through connecting rods 516, and end plates 514 are fixedly connected to the end portions of the two semicircular threaded rods 513; when one of the pistons 512 rotates, the piston 512 drives one of the semicircular threaded rods 513 to rotate, the semicircular threaded rod 513 drives the other semicircular threaded rod 513 to rotate, the two semicircular threaded rods 513 drive the two pistons 512 to move in opposite directions, liquid in the outer tube 511 is extruded into the telescopic structure 52 through the liquid outlet hole 517, the telescopic structure 52 comprises two sleeves 521 fixedly connected to two sides of the outer tube 511 and communicated with the liquid outlet hole 517, an inner rod 522 is arranged inside the sleeves 521 in a sealing mode, the same limiting frame 523 is sleeved on the adjacent first arc-shaped elastic sheet 55 and the adjacent second arc-shaped elastic sheet 57, the end portion of the inner rod 522 penetrates through the limiting frame 523 and is fixedly connected with the arc-shaped sheet 53, the inner rod 522 is located between the first arc-shaped elastic sheet 55 and the second arc-shaped elastic sheet 57, the top end and the bottom end inside the inner rod 522 are both fixedly provided with the limiting elastic sheets 524, and the liquid enters the sleeves 521 to push the inner rod 522 to move, thereby make arc piece 53 remove, when control structure 6 changed stereoplasm sponge 54 and turning block 56 distance, arc shell fragment 55 and No. two arc shell fragments 57 rotated along interior pole 522, and spacing shell fragment 524 avoids arc shell fragment 55 and No. two arc shell fragments 57 to take place to rock.

As shown in fig. 4, 10, 11, 12, and 13, as a preferred embodiment, based on the above manner, further, the pressure adjusting structure 7 includes a tensioning cam 72 connected to the hydraulic driving assembly 51 and a tensioning cam 72 located outside the control structure 6, the tensioning cam 72 is used to pull the pulling rope 71 to make the control structure 6 and the hydraulic driving assembly 51 close, and adjust the pressure of the hard sponge 54 and the turning block 56 on the workpiece, the pulling rope 71 includes a wire 714 fixedly connected to the outer tube 511, an end of the wire 714 extends to the outside of the control structure 6 through the C-shaped plate 61, a soft sleeve 711 and a plurality of fixing rings 713 located inside the soft sleeve 711 are sleeved on the wire 714, and both sides of the fixing rings 713 are fixedly provided with clamping pieces 712 through the soft sleeve 711; the tensioning cam 72 comprises two second cams 723 positioned outside the C-shaped plate 61, a limiting ring 721 is rotatably arranged between the two second cams 723, two limiting pieces 722 are fixedly arranged inside the limiting ring 721, when the distance between the control structure 6 and the hydraulic drive assembly 51 is adjusted, the tensioning pull rope 71 is tensioned to enable the hard sponge 54 and the rotating block 56 to press a workpiece, the pressure of the hard sponge 54 and the rotating block 56 on the workpiece can be judged according to the deformation degree of the first arc-shaped elastic piece 55 or the second arc-shaped elastic piece 57, then the tensioning cam 72 is rotated to enable the limiting pieces 722 to be clamped between two adjacent clamping pieces 712 to prevent the relative sliding between the tensioning pull rope 71 and the limiting ring 721, when the tensioning pull rope 71 is further tensioned, the semi-circular tube 724 is rotated to enable the second cams 723 to rotate, the farthest ends of the second cams 723 to abut against the C-shaped plate 61, and the limiting ring 721 is far away from the C-shaped plate 61, so that the tensioning pull rope 71 is further tensioned, the nearest point of second cam 723 is fixed with semicircle pipe 724, and semicircle pipe 724's inside is fixed and is equipped with a plurality of semicircle board 725, and semicircle groove 726 has been seted up at the middle part of semicircle board 725, when rotating semicircle pipe 724, blocks semicircle groove 726 into between two cards 712, and card 712 is avoided rotating by the frictional force between card 712 and the semicircle groove 726 to prevent to take place relative rotation between spacing piece 722 and the card 712.

Example 3:

the schemes of example 1 and example 2 are further described below in conjunction with specific working examples, which are described in detail below:

specifically, this preliminary treatment mechanism for laser-beam welding machine is during operation/use:

step one, plate pretreatment: after the two pretreatment components 5 approach each other, the two hard sponges 54 are attached together, the two rotating blocks 56 are attached together, the edge of the plate is inserted between the two rotating blocks 56 along the direction of the hard sponges 54, then the plate is pushed, the rotating blocks 56 polish the edge of the plate, after polishing, the edge of the plate is inserted between the two hard sponges 54 along the direction of the hard sponges 54, the plate is pushed again, soldering flux in the hard sponges 54 is squeezed out, copper wires on the hard sponges 54 remove sundries on the surface of the edge of the plate, and in the process of polishing and cleaning the sundries, the edges of the plate are heated by electric heating wires on the hard sponges 54 and the rotating blocks 56, so that pretreatment of the plate is completed;

step two, pretreatment of the pipe fitting: the outer pipe 511 is rotated, the inner thread ring 515 rotates on the surfaces of the two semicircular threaded rods 513, the adjusting structure enables the two pistons 512 to be close to each other, the liquid in the outer pipe 511 controls the telescopic structure 52 to extend, the two arc-shaped pieces 53 are far away from each other, then one end of the pipe fitting to be welded is sleeved on the two telescopic structures 52, the outer pipe 511 is rotated reversely to enable the two arc-shaped pieces 53 to be close to each other and attached to the surface of the pipe fitting, the pipe fitting is rotated, the arc-shaped pieces 53 polish the surface of the pipe fitting, at the moment, the heating wire on the arc-shaped pieces 53 heats one end of the pipe fitting, then one end of the pipe fitting is placed between the two hard sponges 54, the two hard sponges 54 have certain extrusion force on the pipe fitting through the driving structure 2, the pipe fitting is rotated, the hard sponges 54 clean sundries on the surface of the pipe fitting, the heating wire on the hard sponges 54 heats the pipe fitting, and the pipe fitting pretreatment is completed;

step three, fixing the plate: when plates are welded, a handle twisting handle 65 is screwed to enable a rotating shaft 64 to drive a second bidirectional threaded rod 63 to rotate, the distance between two connecting blocks 62 is changed when the second bidirectional threaded rod 63 rotates, a first arc-shaped elastic sheet 55 and a second arc-shaped elastic sheet 57 rotate, so that the distance between the hard sponge 54 and the rotating block 56 is adjusted by utilizing the lever principle, the plates are clamped by utilizing the hard sponge 54 and the rotating block 56, and the plates can be fixed during welding;

step four, fixing the pipe fitting: consistent with the step of polishing the pipe fitting, after the outer pipe 511 is rotated reversely to enable the two arc-shaped sheets 53 to be close to each other and attached to the surface of the pipe fitting, the outer pipe 511 is continuously rotated to enable the two arc-shaped sheets 53 to clamp the pipe fitting;

step five, angle adjustment: control spacing subassembly no longer to making spacing subassembly rotate on support frame 33 surface through locking structure 4, then adjust suitable angle with curb plate 32, then raise the relative rotation between piece 31 and the curb plate 32 through locking structure 4 restriction again, take arc inner tube 82 out from arc pipe 81, adjust the inclination of preliminary treatment subassembly 5, the position of rethread opening structure to arc inner tube 82 is fixed, then according to curb plate 32 pivoted angle, install preliminary treatment subassembly 5 through tooth's socket 86, thereby change the direction of stereoplasm sponge 54 and turning block 56.

The above embodiments are merely illustrative of the present invention and are not to be construed as limiting the invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.

Claims

1. The pretreatment mechanism for the laser welding machine comprises a mounting seat (1) and is characterized in that a sliding cavity is formed in the mounting seat (1), a sliding chute communicated with the sliding cavity is formed in the top of the mounting seat (1), a driving structure (2) is arranged in the sliding cavity, two symmetrical supporting mechanisms are arranged on the top of the driving structure (2), a clamping pretreatment mechanism is arranged on the top of each supporting mechanism and used for pretreatment before welding of a workpiece and fixing of the workpiece during welding, and the clamping pretreatment mechanism comprises a pretreatment assembly (5) and a control structure (6) located on the side of the pretreatment assembly (5);

the pretreatment component (5) comprises a hydraulic drive component (51), a rotating block (56) and hard sponge (54) positioned at the top of the rotating block (56), wherein telescopic structures (52) with telescopic functions are arranged on two sides of the hydraulic drive component (51), the hydraulic drive component (51) is used for driving and controlling the telescopic structures (52) to stretch, liquid is arranged in the hydraulic drive component (51) and serves as a transmission medium, arc-shaped pieces (53) are arranged at two opposite ends of the two telescopic structures (52), one arc-shaped elastic piece (55) is arranged at each of two ends of the hard sponge (54) in a rotating mode, two arc-shaped elastic pieces (57) are arranged at each of two ends of the rotating block (56) in a rotating mode, heating wires for preheating workpieces are arranged on one side of the hard sponge (54), one side of the rotating block (56) and one opposite side of the two arc-shaped pieces (53), a plurality of copper wires are fixedly arranged on one side of the hard sponge (54) opposite to the electric heating wire, and arc-shaped pieces (53) are fixedly arranged on one side of the rotating block (56) opposite to the electric heating wire and one side of the two arc-shaped pieces (53) opposite to each other.

2. The pretreatment mechanism for a laser welding machine according to claim 1, wherein the control structure (6) is used for adjusting the distance between the hard sponge (54) and the rotating block (56), and the control structure (6) is provided with a pressure adjusting structure (7) for adjusting the pressure of the rotating block (56) and the hard sponge (54) on the workpiece.

3. The pretreatment mechanism for a laser welding machine according to claim 2, wherein the driving structure (2) comprises a driving assembly, two moving blocks (23) and two dustproof assemblies respectively connected with the two moving blocks (23), and the driving assembly is used for driving the two moving blocks (23) to approach to or separate from each other.

4. A pre-treatment mechanism for a laser welding machine according to claim 3, characterized in that the supporting mechanism comprises a rotation adjusting structure (3) located on top of a moving block (23), the inside of the rotation adjusting structure (3) is provided with a locking structure (4), the locking structure (4) extends to one side of the rotation adjusting structure (3), and the other side of the inside of the rotation adjusting structure (3) is provided with an angle adjusting structure (8).

5. The pretreatment mechanism for the laser welding machine according to claim 4, wherein the rotation adjusting structure (3) comprises a lifting block (31) connected to the top of the moving block (23), the top of the lifting block (31) is fixedly provided with a support frame (33) and a limiting component sleeved on the support frame (33), a side plate (32) is arranged outside the limiting component, and the limiting component is matched with the locking structure (4) to limit the relative rotation between the lifting block (31) and the side plate (32).

6. The pretreatment mechanism for a laser welding machine according to claim 5, wherein the locking structure (4) comprises a cam structure, two pull rods (41) and a connecting plate (45), one end of each pull rod (41) passes through the limiting component and the side plate (32) to be connected with the cam structure, the cam structure is used for pulling the pull rod (41), the other end of each pull rod (41) is connected with the connecting plate (45), and the pull rods (41) are matched with the connecting plate (45) to control the limiting component.

7. The pretreatment mechanism for the laser welding machine according to claim 6, wherein the angle adjusting structure (8) comprises an arc-shaped tube (81) fixedly connected with the side plate (32), a slidable arc-shaped inner tube (82) is arranged inside the arc-shaped tube (81), one end of the arc-shaped inner tube (82) is provided with a tooth socket (86) used for being connected with the pretreatment assembly (5), the tooth socket (86) is used for connecting the pretreatment assembly (5) at multiple angles, and an opening structure used for limiting the arc-shaped inner tube (82) to slide inside the arc-shaped tube (81) is arranged inside the arc-shaped inner tube (82).

8. The pretreatment mechanism for the laser welding machine according to claim 7, wherein the hydraulic drive assembly (51) comprises an outer tube (511) and an adjusting structure positioned inside the outer tube (511), two ends inside the outer tube (511) are respectively provided with a piston (512), the pistons (512) are used for extruding liquid inside the outer tube (511) and keeping good sealing performance with the outer tube (511), and the adjusting structure is used for enabling the two pistons (512) to mutually approach to each other to extrude the liquid to drive the telescopic structure (52) when one of the pistons (512) rotates.

9. A method of using a pretreatment mechanism for a laser welding machine according to claim 8, comprising the steps of:

step one, plate pretreatment: after the two pretreatment components (5) approach each other, placing the plate between the two pretreatment components (5) and pushing the plate to finish the pretreatment of the plate;

step two, pretreatment of the pipe fitting: the pipe fitting is clamped by the arc-shaped pieces (53) through the telescopic structure (52), then the pipe fitting is rotated to polish and heat the pipe fitting, and then the pipe fitting is clamped between the two pretreatment assemblies (5) to be cleaned and heated, so that the pretreatment of the pipe fitting is completed;

step three, fixing the plate: the distance between the two connecting blocks (62) is adjusted by using the control structure (6), and the plate is clamped by adjusting the distance between the hard sponge (54) and the rotating block (56) by using the lever principle, so that the plate is fixed during welding;

step four, fixing the pipe fitting: in accordance with the step of polishing the pipe fitting, the outer pipe (511) is then rotated continuously to enable the two arc-shaped sheets (53) to clamp the pipe fitting;

step five, angle adjustment: the direction of the pretreatment assembly (5) is adjusted by controlling the support frame (33) to rotate through the locking structure (4), the arc inner pipe (82) is drawn out from the arc pipe (81), and the inclination angle of the pretreatment assembly (5) is adjusted.