CN213003516U

CN213003516U - Novel fixing device for welding rear shaft part in automobile production

Info

Publication number: CN213003516U
Application number: CN202021656551.0U
Authority: CN
Inventors: 陶霜
Original assignee: Shanghai Roc Automotive Equipment Technology Co ltd
Current assignee: Shanghai Roc Automotive Equipment Technology Co ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-04-20
Anticipated expiration: 2030-08-11

Abstract

The fixing device for the welded rear shaft part in the novel automobile production comprises a cylinder and a frame; the device is also provided with a rotating disc mechanism, a connecting rod mechanism and a movable chuck; a supporting pipe is arranged in the middle of the rack, and a bearing is arranged in the supporting pipe; the rotating disc mechanism comprises a rotating disc and a shaft lever, the upper end of the shaft lever is arranged at the lower end of the rotating disc, the lower end of the shaft lever is tightly sleeved in an inner ring of the supporting tube bearing, and the left end of the rotating disc is provided with an operating handle lever; the cylinder is transversely arranged in the middle of the rack, the linkage plate is arranged at the rear upper side end of the turntable, and a piston rod of the cylinder is hinged with the linkage plate; guide plates are transversely arranged in the middle of the upper parts of the left side and the right side of the rack respectively, and guide grooves of the two sets of movable chucks are transversely sleeved on the outer sides of the two guide plates respectively; the two sets of the connecting rod mechanisms are the same and are respectively arranged between the two side ends of the turntable and the inner sides of the two sets of the movable chucks. This is novel need not artificially fix the back axostylus axostyle, has brought the facility for the staff, has reduced intensity of labour, and has improved work efficiency. This novel good prospect that has.

Description

Novel fixing device for welding rear shaft part in automobile production

Technical Field

The utility model relates to an automobile production equipment technical field, especially a novel fixing of car production welding rear axle pole part device.

Background

In the production of automobiles, corresponding parts need to be welded in the middle parts of two sides of the upper end of an automobile rear shaft rod and the like, so that the welding part of the rear shaft rod and the corresponding part of the frame of the automobile can be effectively fixed together subsequently. In actual production, because the rear shaft lever of the automobile and the like are cylindrical and inconvenient to fix, in order to ensure that parts are welded at corresponding points on the rear shaft lever, the rear shaft lever and the like need to be fixed by a fixing device and then welded.

Among the present prior art, to the fixed of back axostylus axostyle etc. it is earlier inboard to put back axostylus axostyle in fixing device's both sides fixation clamp (one end is fixed, the other end activity), then operating personnel manually shakes the screw rod, and the screw rod drives other end activity fixation clamp and moves to the inboard or the outside, and then realizes that back axostylus axostyle etc. is fixed, or the axostylus axostyle is hoisted in the fixation clamp separation. Because the existing mode is manual operation, no matter whether fixed or after welding, the rear shaft lever is loosened, and the like, the operation handle for manually shaking the screw rod by an operator is needed, so that inconvenience can be brought to the operator, the labor intensity of the operator is increased, and the improvement of the working efficiency is not facilitated. Based on the above, the fixing device which can conveniently and effectively fix the rear shaft lever without manual operation before welding is provided.

SUMMERY OF THE UTILITY MODEL

In order to overcome the fixing device that current welding rear axle rod part used, need the manual operation because of the structure limits, can bring inconvenience, increase intensity of labour for operating personnel, and be unfavorable for improving work efficiency's drawback, the utility model provides a compact structure, convenient to use, in using, realize the inside side or the outside lateral movement of two sets of movable chucks through one set of cylinder, and then realize the fixed or separation of car rear axle rod before the welding, do not need the manual operation from this to reach, brought the facility for the staff, reduced intensity of labour, and improved work efficiency's novel automobile production welding rear axle rod part's fixing device.

The utility model provides a technical scheme that its technical problem adopted is:

the fixing device for the welded rear shaft part in the novel automobile production comprises a cylinder and a frame; it is characterized in that the device also comprises a rotating disc mechanism, a connecting rod mechanism and a movable chuck; a supporting pipe is arranged in the middle of the rack, and a bearing is arranged in the supporting pipe; the rotating disc mechanism comprises a rotating disc and a shaft rod, the upper end of the shaft rod is arranged at the lower end of the rotating disc, the lower end of the shaft rod is tightly sleeved in an inner ring of the supporting tube bearing, and an operating handle rod is arranged at the left end of the rotating disc; the cylinder is transversely arranged in the middle of the rack and positioned at the right side end of the turntable, the linkage plate is arranged at the rear upper side end of the turntable, and a piston rod of the cylinder is hinged with the linkage plate; the upper middle parts of the left side and the right side of the rack are respectively transversely provided with a guide plate, the movable chucks are provided with two same sets, the lower end of each movable chuck is transversely provided with a directional groove, and the guide grooves of the two sets of movable chucks are respectively and transversely sleeved on the outer sides of the two guide plates; the two sets of the link mechanisms are the same and are respectively arranged between the two side ends of the turntable and the inner sides of the two sets of the movable chucks.

Furthermore, each set of connecting rod mechanism comprises a connecting block and a pull rod, and the outer side end of the pull rod is hinged with the inner side of the connecting block; the front side and the rear side of the rotary table are respectively provided with a shaft hole, the inner side ends of the pull rods of the two sets of connecting rod mechanisms are respectively hinged with the shaft holes on the front side and the rear side of the rotary table, and the connecting blocks of the two sets of connecting rod mechanisms are respectively fixedly arranged with the inner front side ends of the two sets of movable chucks.

Furthermore, the transverse left-right distance between the two sets of movable clamping heads of the movable clamping sleeves is larger than the transverse length of the automobile rear shaft rod to be processed, a plurality of limiting rods are distributed at intervals at the upper end in the outer side of each set of movable clamping head, and the inner diameter formed by a plurality of limiting columns is larger than the outer diameters of the two sides of the automobile rear shaft rod to be processed.

Furthermore, a support frame is vertically arranged on the upper portion, the left side and the right side of the rear side end of the rack between the inner sides of the two sets of movable chucks respectively, and the middle of the upper end of the support frame is of a large-upper-small-lower-trapezoid opening structure and is higher than the cylinder.

Furthermore, the height of the opening of the support frame is consistent with the height of a station formed by a plurality of limiting rods of the movable chuck, and the station formed by the opening of the support frame and the limiting columns of the movable chuck is transversely positioned on a plane.

The utility model has the advantages that the utility model is convenient to use, and when the rear shaft lever of the automobile needs to be welded, the rear shaft lever is directly placed in the upper end openings of the two supporting frames by a hoisting tool. In application, after a piston rod of the PLC control cylinder moves leftwards or rightwards, the turntable can respectively drive the two sets of movable chucks to move inwards and reduce the distance to fix the rear shaft rod or move outwards and pull the distance to lift the rear shaft rod away through the two sets of connecting rod structures. This novel back axostylus axostyle is put in the upper end opening of two support frames, the welding position has been adjusted, two sets of activity chuck intervals draw in the little upside and the back axostylus axostyle both sides after the contact closely, because support frame upper end opening is trapezoidal, big-end-up, can not the direction of rotation when consequently the back axostylus axostyle does not have great no external force, and because the clamping action of two sets of activity chucks, the back axostylus axostyle can not take place the direction of rotation in having guaranteed the welding, any displacement of left and right sides direction, the position welding part that. This is novel need not manual operation, has brought the facility, has reduced intensity of labour for the staff, and has improved work efficiency. Based on the foregoing, the utility model discloses good application prospect has.

Drawings

The invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of the overall three-dimensional structure of the present invention.

Fig. 2 is a schematic view of the partial three-dimensional structure of the present invention.

Fig. 3 is a schematic view of the local plane structure of the present invention.

Detailed Description

As shown in fig. 1, 2 and 3, the fixing device for the welded rear shaft part in the novel automobile production comprises a PLC, a cylinder 1, an electromagnetic valve and a frame 2; two exhaust pipes of the air compressor are respectively connected with one end air inlet pipe of two electromagnetic valves through air hoses, one exhaust pipe of the two electromagnetic valves is respectively connected with the air inlet and exhaust pipes at the left end and the right end of a cylinder barrel of the air cylinder 1 through one air hose, the two electromagnetic valves are fixed at the rear side end of a frame at the air compressor through screw nuts, and two power output ends of the PLC and power input ends of the two electromagnetic valves are respectively connected through wires; the device is also provided with a rotating disc mechanism 3, a connecting rod mechanism 4 and a movable chuck 5; the upper end of the frame 2 is of a plane structure, a cylindrical support tube 21 is welded in the middle of the upper end of the frame 2, and the upper end and the lower end in the support tube 21 are respectively and fixedly provided with a bearing 22; the rotating diskThe mechanism 3 comprises a circular turntable 31 and a shaft lever 32, wherein the upper end of the shaft lever 32 is welded in the middle of the lower end of the turntable 31, the shaft lever 32 is tightly sleeved in the inner rings of the two bearings 22 of the support tube from top to bottom, and the upper part of the left end of the turntable 31 is transversely provided with an ┍ -shaped operating hand lever 33 through a screw nut; the air cylinder 1 is transversely installed at the middle part of the rack close to the right position (on the right side of the turntable 31) through a screw nut, a piston rod of the air cylinder is transversely arranged on the left side, a rectangular linkage plate 34 with a rear part provided with an opening is longitudinally welded at the middle part of the rear upper side end of the turntable 31, and a piston rod of the air cylinder 1 is welded at the left end of the piston rod "]The upper end and the lower end of the middle part of the connecting plate 101 are respectively provided with a shaft hole, and the shaft holes of the connecting plate 101 and the shaft holes of the linkage plate 34 are hinged together through a hinge screw (the connecting plate 101 and the linkage plate 34 are hinged together); the middle parts of the upper ends of the left side and the right side of the rack 2 are respectively transversely provided with an I-shaped guide plate 23 through a screw nut, the L-shaped movable chucks 5 have two identical sets, and the middle part of the lower end of each movable chuck 5 is transversely provided with one guide plate

The guide grooves 51 of the two sets of movable chucks are respectively and transversely sleeved on the outer sides of the two guide plates 23 (the gap between the guide grooves 51 is small, so that the guide grooves 51 can move left and right along the guide plates 23), and the two sets of movable chucks 5 can move left and right along the guide plates 23 through the guide grooves 51; the two sets of the link mechanisms 4 are the same, and the two sets of the link mechanisms 4 are respectively arranged between the front side end and the rear side end of the turntable 31 and the inner front side of the two sets of the movable chucks 5.

As shown in fig. 1, 2 and 3, each set of link mechanism 4 comprises an ┍ -shaped connecting block 41 and a rectangular pull rod 42, the inner side of the connecting block 41 is provided with a shaft hole from top to bottom, two ends of the pull rod 42 are respectively provided with a shaft hole, the shaft hole at the outer side end of the pull rod 42 and the shaft hole at the inner side of the connecting block 41 are hinged together by a hinge screw (the pull rod 42 and the connecting block 41 are hinged together); two shaft holes 311 distributed vertically are symmetrically distributed on the front side and the rear side of the rotary table 31, shaft holes at the inner sides of the pull rods 42 of the two sets of link mechanisms are respectively hinged with shaft holes on the front side and the rear side of the rotary table 31 by using hinged screws (the pull rods 42 are hinged with the rotary table 31), and the connecting blocks 41 of the two sets of link mechanisms are respectively connected with fixing plates 52 which are transversely distributed at the inner front side ends of the two sets of movable chucks through screw nuts. The inner sides of the two sets of movable chucks 5 are transversely spaced left and right, and the transverse length of the rear shaft lever 6 to be fixed is larger than that of the rear shaft lever 6 to be fixed in an initial state, six limiting rods 53 (integrally formed) are distributed at the inner ends of the outer sides of each set of movable chucks 5 at certain intervals, and the inner diameter of a station formed by the six limiting rods 53 is larger than the outer diameters of the two sides of the rear shaft lever 6 of the automobile to be processed. The left side and the right side of the rear upper part of the frame 2 between the inner sides of the two sets of movable chucks 5 are respectively and vertically provided with a support frame 7 through screw nuts, and the middle part of the upper end of each support frame 7 is provided with a trapezoid opening structure 71 with a large upper part and a small lower part. The height of the opening 71 of the support frame is consistent with the height of a circular station formed by the six limiting rods 53 of the movable chuck, and the position formed by the opening 71 of the support frame and the six limiting columns 53 of the movable chuck is transversely positioned on the same plane.

Shown in fig. 1, 2 and 3, this novel convenient to use, when needing to weld car rear axle rod 6 etc., directly transversely puts rear axle rod 6 in the upper end opening 71 of two support frames with lifting device to adjust rear axle rod 6 welding position (both sides welding position is located the upper end). When the distance between the two sets of movable chucks 5 is required to be reduced to clamp the left side and the right side of the rear shaft lever 6, an operator controls one of the electromagnetic valves matched with the air cylinder 1 to be electrified and work for a period of time through the PLC, compressed air output by the air compressor enters the left end of the air cylinder barrel through one exhaust pipe of the air compressor, one air inlet pipe at one end of the one electromagnetic valve, one air outlet pipe of the one electromagnetic valve and the air inlet and outlet pipe at the left end of the air cylinder barrel of the air cylinder 1, the compressed air at the right end of the air cylinder barrel of the air cylinder 1 is exhausted through the other exhaust pipe of the other electromagnetic valve, at the moment, a piston rod of the air cylinder 1 moves right; then, of the pull rods 42 of the two sets of link mechanisms 4 at the front and rear end parts of the rotary table 31, the pull rod 42 of the left rear end connecting mechanism moves rightwards, and drives the movable chuck at the left end of the rack 2 to move rightwards along the guide plate 23 through the guide groove 51 via the connecting block 41, and the pull rod 42 of the right front end connecting mechanism of the rotary table 31 moves leftwards and drives the movable chuck at the right end of the rack 2 to move leftwards along the guide plate 23 via the guide groove 51 via the connecting block 41; after the two sets of movable chucks 5 move inwards to the right position, the distance between the two sets of movable chucks 5 is reduced, and six limiting columns 53 at the outer ends of the two sets of movable chucks 5 are respectively positioned at two sides of the automobile rear shaft lever 6 and are in close contact with the automobile rear shaft lever, so that the rear shaft lever 6 can be effectively fixed (after the automobile rear shaft lever is fixed, a power supply of an electromagnetic valve is turned off, a piston rod of an air cylinder does not move any more), and a follow-up operator can weld the components of the rear.

As shown in fig. 1, 2 and 3, when welding the upper end part of the outer side of the rear shaft lever 6 is finished, and two sets of movable chucks 5 are required to be pulled out and lifted away from the rear shaft lever 6, an operator controls the other electromagnetic valve matched with the air cylinder 1 to be electrified and work for a period of time, compressed air output by the air compressor enters the right end of the cylinder barrel through the other exhaust pipe of the air compressor, the air inlet pipe at one end of the other electromagnetic valve, the exhaust pipe at one end of the other electromagnetic valve and the air inlet and exhaust pipe at the right end of the cylinder barrel of the air cylinder 1, the compressed air in the left end of the cylinder barrel of the air cylinder 1 is exhausted through the other exhaust pipe of the one electromagnetic valve, and at the moment, a piston rod of the air cylinder 1 moves; then, in the pull rods 42 of the two sets of link mechanisms 4 at the front and rear end parts of the rotary table 31, the pull rod 42 of the left rear end connecting mechanism moves leftwards, and pushes the movable chuck at the left end of the rack 2 to move leftwards along the guide plate 23 through the guide groove 51 by the connecting block 41, and the pull rod 42 of the right front end connecting mechanism of the rotary table 31 moves rightwards, and drives the movable chuck at the right end of the rack 2 to move rightwards along the guide plate 23 through the guide groove 51 by the connecting block 41; when the two sets of movable chucks 5 move outwards in place, the distance between the two sets of movable chucks 5 is enlarged, and the six limiting columns 53 at the inner ends of the outer sides of the two sets of movable chucks 5 are not in contact with the two sides of the automobile rear shaft lever 6 any more, so that an operator can hang away the welding component rear shaft lever 6. This neotype handspike 33 effect, the primary function is that the user can be through its manual rotation carousel 31 at the initial stage, and two sets of activity chucks of pulling are to the inboard or to the outside motion, make things convenient for the fixed of back axostylus axostyle 6 (under the exhaust prerequisite was opened to two solenoid valves in the cylinder, for example can two activity chuck intervals of manual regulation enlarge the handling of convenient back axostylus axostyle 6, for example can two activity chuck intervals of manual regulation reduce, follow-up cylinder promotes activity chuck movement distance and just can effectively fix back axostylus axostyle. This is novel need not manual operation, has brought the facility, has reduced intensity of labour for the staff, and has improved work efficiency.

The basic principles and essential features of the invention and the advantages of the invention have been shown and described above, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but rather can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, the embodiments do not include only one independent technical solution, and such description is only for clarity, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. The fixing device for the welded rear shaft part in the novel automobile production comprises a cylinder and a frame; it is characterized in that the device also comprises a rotating disc mechanism, a connecting rod mechanism and a movable chuck; a supporting pipe is arranged in the middle of the rack, and a bearing is arranged in the supporting pipe; the rotating disc mechanism comprises a rotating disc and a shaft rod, the upper end of the shaft rod is arranged at the lower end of the rotating disc, the lower end of the shaft rod is tightly sleeved in an inner ring of the supporting tube bearing, and an operating handle rod is arranged at the left end of the rotating disc; the cylinder is transversely arranged in the middle of the rack and positioned at the right side end of the turntable, the linkage plate is arranged at the rear upper side end of the turntable, and a piston rod of the cylinder is hinged with the linkage plate; the upper middle parts of the left side and the right side of the rack are respectively transversely provided with a guide plate, the movable chucks are provided with two same sets, the lower end of each movable chuck is transversely provided with a directional groove, and the guide grooves of the two sets of movable chucks are respectively and transversely sleeved on the outer sides of the two guide plates; the two sets of the link mechanisms are the same and are respectively arranged between the two side ends of the turntable and the inner sides of the two sets of the movable chucks.

2. The novel fixing device for the welded rear axle rod part in the automobile production is characterized in that each set of connecting rod mechanism comprises a connecting block and a pull rod, and the outer side end of the pull rod is hinged with the inner side of the connecting block; the front side and the rear side of the rotary table are respectively provided with a shaft hole, the inner side ends of the pull rods of the two sets of connecting rod mechanisms are respectively hinged with the shaft holes on the front side and the rear side of the rotary table, and the connecting blocks of the two sets of connecting rod mechanisms are respectively fixedly arranged with the inner front side ends of the two sets of movable chucks.

3. The novel fixing device for the welded rear shaft component in the automobile production is characterized in that the transverse left-right distance between the two sets of movable clamping heads of the movable clamping sleeves is larger than the transverse length of the rear shaft component of the automobile to be processed, a plurality of limiting rods are distributed at intervals at the inner upper end of the outer side of each set of movable clamping heads, and the inner diameter formed by a plurality of limiting columns is larger than the outer diameters of the two sides of the rear shaft component of the automobile to be processed.

4. The novel fixing device for the welded rear shaft part in the automobile production is characterized in that a supporting frame is vertically arranged on the upper portion, the left side and the right side of the rear side end of the rack between the inner sides of the two sets of movable chucks respectively, and the middle portion of the upper end of the supporting frame is of a trapezoid opening structure with a large upper portion and a small lower portion and is higher than the cylinder.

5. The novel fixing device for the welded rear axle rod part in the automobile production is characterized in that the height of the opening of the support frame is consistent with the height of a station formed by a plurality of limiting rods of the movable chuck, and the station formed by the opening of the support frame and the limiting columns of the movable chuck is transversely arranged on the same plane.