CN2418992Y

CN2418992Y - Improved submerged arc pile-up welding device for restoring crankshaft

Info

Publication number: CN2418992Y
Application number: CN 00204498
Authority: CN
Inventors: 刘跃基
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-03-09
Filing date: 2000-03-09
Publication date: 2001-02-14
Anticipated expiration: 2010-03-09

Abstract

The utility model relates to an improved submerged arc pile-up welding device for restoring crankshafts, which comprises a machine frame, a wire feeding mechanism, a welding flux feeding mechanism, a travel mechanism for a welding nozzle assembly, wherein, the machine frame is an arched steel structure frame, and the lower end of the machine frame is longitudinally and fixedly provided with two parallel groove-shaped rails which are opposite to each other and are movably connected with a bracket by a roller fixed on the top end of the H-shaped bracket; the travel mechanism for the welding nozzle assembly comprises an n-shaped suspension bracket, a traverse motion toothed bar, a moving seat, a moving motor, a vertical motion toothed bar and a conversion mechanism of the traverse and vertical motion. The utility model has the characteristics of low machine frame, convenient operation, automatic motion of the welding nozzle assembly in the traverse and vertical directions, good pile-up welding quality, etc.

Description

Improved bent axle renovation submerged arc bead welding device

The utility model relates to a kind of submerged arc bead welding device that is installed in the bent axle renovation usefulness on the crankshaft grinding machine.

The utility model is the improvement at the mechanical part among the Chinese utility model patent ZL99215344.1 disclosed " a kind of bent axle renovates with submerged arc bead welding device and control circuit thereof ", original bent axle renovation is directly installed on the crankshaft grinding machine with the submerged arc bead welding device, make full use of the bent axle centering function of former crankshaft grinding machine, and sending to of welding wire, the traversing of tip and welding agent jet pipe all is automation, it is good to have surfacing quality, can directly carry out the characteristics such as grinding of the bent axle diameter of axle after having welded, but it also has weak point, has big and can not move forward and backward as bracket height, vertical the moving of tip and welding agent jet pipe is manual, wire-electrode pipe and tip can not be with respect to shortcomings such as elevating lever rotations.

The purpose of this utility model provides that a kind of frame is low, frame can move forward and backward, realize tip and welding agent jet pipe laterally with vertical automation of moving, the improved bent axle renovation submerged arc bead welding device that tip and welding agent jet pipe can rotate with respect to the vertical shift ratch.

The purpose of this utility model is achieved in that a kind of improved bent axle renovation submerged arc bead welding device, comprise frame, wire feeder, send welding agent mechanism and tip assembly travel mechanism, wire feeder, sending welding agent mechanism and tip assembly travel mechanism all is with direct or indirect being installed on the frame of job order, its mid frame is an arc steel frame, its lower end is vertically fixedly installing two parallel relative channled rails, it flexibly connects by roller and the support that is fixed on the cantilever tip that is H shape, and frame can move front and back on support by channled rail and roller; The lower end of support is fixedly installing the fixed connecting plate that has bolt connecting hole; On the crossbeam of support, be provided with by clamping screw, be enclosed within the rack locking mechanism that latch segment on the clamping screw and locking nut constitute;

The mobile seat that tip assembly travel mechanism comprises ∏ shape hanger, is fixed on the traversing ratch of ∏ shape hanger lower end, be slidingly connected with traversing ratch, be fixed on the mobile motor that moves on the seat and move vertical shift ratch, a U-shaped clip that is movably connected in vertical shift ratch lower end that seat is slidingly connected, be separately positioned on and move seat and go up traversing ratch lock-screw on the relevant position and vertical shift ratch lock-screw, mobile switching mechanism anyhow; Wherein the frid of the channled rail lower end of ∏ shape hanger by being fixed on frame is movably arranged on the frame, ∏ shape hanger can be in the groove of frid move left and right, on frid, be provided with the lock-screw of ∏ shape hanger; Traversing ratch and vertical shift ratch are orthogonal through moving in the seat; Wire-electrode pipe and tip are fixedly connected on the collets, and collets are movably connected in the lower end of vertical shift ratch by the U-shaped clip, and the welding agent jet pipe is movably connected on the collets by little U-shaped clip.

Anyhow mobile switching mechanism is arranged on the intersection that moves interior traversing ratch of seat and vertical shift ratch, comprise handle, handle detent mechanism that duplicate gear is connected with duplicate gear one end, the other end of duplicate gear axially is movably connected on the power output shaft of mobile motor, handle stretches out and moves outside the seat, by the pulling handle duplicate gear is meshed with traversing ratch or vertical shift ratch.

The utility model is because frame is lower, and institute is so that operation, and frame is movably arranged on by support on the wheel-guard of crankshaft grinding machine, frame can be pulled out fixing back during use and use, and after using up frame is pushed back the back locking and can carry out subsequent operation; And since tip of the present utility model and welding agent jet pipe about and to move up and down all be automatically, institute so that its surfacing quality be further enhanced; The utility model has used two U-shaped clips that tip and welding agent jet pipe are movably connected on the vertical shift ratch simultaneously, make spacing between tip and the welding agent jet pipe, and the angle between tip and welding agent jet pipe and vertical shift ratch all is adjustable, further facilitated the built-up welding operation, made tip and welding agent jet pipe can both locate to go up in place when built-up welding and when idle.

Below in conjunction with drawings and Examples the utility model is further described:

Fig. 1 is a main TV structure schematic diagram of the present utility model

Fig. 2 is a left TV structure schematic diagram of the present utility model

Fig. 3 is that the B-B of Fig. 2 is to the sectional structure schematic diagram

Fig. 4 is that the A-A of Fig. 1 is to the sectional structure schematic diagram

A kind of improved bent axle renovation submerged arc bead welding device, comprise frame 30, wire feeder, send welding agent mechanism and tip assembly travel mechanism, wire feeder, to send welding agent mechanism and tip assembly travel mechanism all be that wire feeder comprises tip 14, wire-electrode pipe 13, welding wire flexible conduit 26, pneumatic wire feeder 28 and wire reel 31 from front to back successively with direct or indirect being installed on the frame 30 of job order; Send welding agent mechanism to comprise and be positioned at compressed air hose 25, welding agent case 23, welding agent conveying control cylinder 24, manual welding agent conveying control valve 19, welding agent delivery hose 17 and the welding agent jet pipe 15 that frame 30 tops connect successively from top to bottom, welding agent is sent in the welding agent case 23 by flexible pipe 33;

Frame 30 of the present utility model is an arc steel frame, its lower end is vertically fixedly installing two parallel relative channled rails 32, it flexibly connects with support 1 by the roller 29 that is fixed on support 1 top that is H shape, roller 29 is installed in the two ends of the axle 42 on support 1 top respectively, roller 29 freely rolls in the groove of channled rail 32, two groups of four rollings 29 that are positioned at support 1 top are movably connected in frame 30 on the support 1, and frame 30 can be moved front and back on support 1 by channled rail 32 and roller 29, during use, frame 30 is pulled out forward, not the time spent, frame 30 is pushed back backward;

The lower end of support 1 is fixedly installing the fixed connecting plate 2 that has bolt connecting hole, during installation, support 1 is fixed on the wheel-guard 4 of crankshaft grinding machine with bolt by it; On the crossbeam 3 of support 1, be provided with by clamping screw 7, be enclosed within frame 30 retaining mechanisms that latch segment 6 on the clamping screw 7 and locking nut 5 constitute, when with frame 30 with respect to the position adjustments of support 1 good after, by pull clamping screw 7 with frame 30 locking positionings on support 1;

The mobile seat 9 that tip assembly travel mechanism comprises ∏ shape hanger 22, is fixed on the traversing ratch 34 of ∏ shape hanger 22 lower ends, be slidingly connected with traversing ratch 34, be fixed on the mobile motor 8 that moves on the seat 9 and move seat 9 vertical shift ratch 10 that are slidingly connected, be movably connected in vertical shift ratch 10 lower ends U-shaped clip 11, be separately positioned on and move the traversing ratch lock-screw 21 on the relevant position and vertical shift ratch lock-screw 18 on the seat 9, mobile switching mechanism anyhow; Wherein the frid 27 of channled rail 32 lower ends of ∏ shape hanger 22 by being fixed on frame 30 is movably arranged on the frame 30, ∏ shape hanger 22 can be in the groove of frid 27 move left and right, on frid 27, be provided with the lock-screw of ∏ shape hanger 22, like this when Installation and Debugging the utility model, can come the position of coarse adjustment tip assembly on frame 30 by mobile ∏ shape hanger 22, with lock-screw ∏ shape hanger 22 is fixed on the frame 30 after mixing up; Traversing ratch 34 is orthogonal through moving in the seat 9 with vertical shift ratch 10; Wire-electrode pipe 13 and tip 14 are fixedly connected on the collets 12, collets 12 are movably connected in the lower end of vertical shift ratch 10 by U-shaped clip 11, welding agent jet pipe 15 is movably connected on the collets 12 by little U-shaped clip 16, because the existence of U-shaped clip 11 and little U-shaped clip 16, make spacing between tip 14 and the welding agent jet pipe 15, and the angle between tip 14 and welding agent jet pipe 15 and the vertical shift ratch 10 all is adjustable, made things convenient for the built-up welding operation, make tip 14 and welding agent jet pipe 15 can both locate to go up in place when built-up welding and when idle, can not disturb other operation.

Anyhow mobile switching mechanism is arranged on the intersection that moves seat 9 interior traversing ratch 34 and vertical shift ratch 10, comprise handle 20, handle detent mechanism that duplicate gear 36 is connected with duplicate gear 36 1 ends, the other end of duplicate gear 36 axially is movably connected on the power output shaft 35 of mobile motor 8, handle 20 stretches out and moves outside the seat 9, by pulling handle 20 duplicate gear 36 is meshed with traversing ratch 34 or vertical shift ratch 10; The handle detent mechanism is by being arranged on the handle 20 radially spring 40 and the steel ball 39 in the slotted eye, and be positioned at that the slotted eye on the relevant position 37,38 constitutes on catch base 41 inwalls that move on the seat 9, its effect is that handle 20 can accurately be positioned at duplicate gear 36 on these two operating positions that are meshed with traversing ratch 34 or are meshed with vertical shift ratch 10, so that when mobile motor 8 work, make the tip assembly automatically about or move up and down; In actual mechanical process,, will with vertical shift ratch lock-screw 18 vertical shift ratch 10 and mobile seat 9 be locked earlier if make the tip assembly carry out automatic transverse moving left and right; If the tip assembly is moved up and down automatically, then to traversing ratch lock-screw 21 traversing ratch 34 and mobile seat 9 be locked earlier.

Claims

1. an improved bent axle renovates and uses the submerged arc bead welding device, comprise frame (30), wire feeder, send welding agent mechanism and tip assembly travel mechanism, wire feeder, sending welding agent mechanism and tip assembly travel mechanism all is with direct or indirect being installed on the frame (30) of job order, it is characterized in that: frame (30) is an arc steel frame, its lower end is vertically fixedly installing two parallel relative channled rails (32), it flexibly connects with support (1) by the roller (29) that is fixed on support (1) top that is H shape, and frame (30) can move before and after support (1) is gone up by channled rail (32) and roller (29); The lower end of support (1) is fixedly installing the fixed connecting plate (2) that has bolt connecting hole; On the crossbeam (3) of support (1), be provided with by clamping screw (7), be enclosed within frame (30) retaining mechanism that latch segment (6) on the clamping screw (7) and locking nut (5) constitute;

Tip assembly travel mechanism comprises ∏ shape hanger (22), be fixed on the traversing ratch (34) of ∏ shape hanger (22) lower end, the mobile seat (9) that is slidingly connected with traversing ratch (34), be fixed on the mobile motor (8) that moves on the seat (9), with move the vertical shift ratch (10) that seat (9) is slidingly connected, be movably connected in the U-shaped clip (11) of vertical shift ratch (10) lower end, be separately positioned on the traversing ratch lock-screw (21) and the vertical shift ratch lock-screw (18) that move on the last relevant position of seat (9), anyhow mobile switching mechanism; Wherein the frid (27) of channled rail (32) lower end of ∏ shape hanger (22) by being fixed on frame (30) is movably arranged on the frame (30), ∏ shape hanger (22) can be in the groove of frid (27) move left and right, on frid (27), be provided with the lock-screw of ∏ shape hanger (22); Traversing ratch (34) is orthogonal through moving in the seat (9) with vertical shift ratch (10); Wire-electrode pipe (13) and tip (14) are fixedly connected on the collets (12), collets (12) are movably connected in the lower end of vertical shift ratch (10) by U-shaped clip (11), and welding agent jet pipe (15) is movably connected on the collets (12) by little U-shaped clip (16).

2. improved bent axle renovation submerged arc bead welding device according to claim 1, it is characterized in that mobile anyhow switching mechanism is arranged on the intersection that moves interior traversing ratch (34) of seat (9) and vertical shift ratch (10), comprise duplicate gear (36), the handle (20) that is connected with duplicate gear (36) one ends, the handle detent mechanism, the other end of duplicate gear (36) axially is movably connected on the power output shaft (35) of mobile motor (8), handle (20) stretches out and moves outside the seat (9), by pulling handle (20) duplicate gear (36) is meshed with traversing ratch (34) or vertical shift ratch (10).