CN210147337U

CN210147337U - General type car guardrail welding jig

Info

Publication number: CN210147337U
Application number: CN201920673160.0U
Authority: CN
Inventors: 王晓钰; 沈进; 袁晴春; 孙秀春
Original assignee: Hunan National Defense Industry Vocational And Technical College
Current assignee: Hunan National Defense Industry Vocational And Technical College
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2020-03-17
Anticipated expiration: 2029-05-13

Abstract

The utility model relates to a general type car guardrail welding jig, including the base support that is fixed in ground, base support upper end fixed mounting has the rotatory axle sleeve, and the removal main shaft is cup jointed in the rotation of rotatory axle sleeve inboard, and removal main shaft upper end is provided with adjustable mechanism, lower extreme fixed connection support frame, one end connection carousel subassembly, and a plurality of horizontal pole stop gear can be dismantled and installed to the support frame upper end for the location car guardrail during the welding; the utility model realizes the corresponding adjustment of the support frame by adjusting the locking screw according to the length and the width of the automobile guardrail, adopts the cross rod limiting mechanism, particularly realizes the positioning and the clamping of guardrail cross rods with different sizes by rotating the handle to drive the mounting plate and the profiling block thereon, and extends or shortens the vertical rod limiting main frame by adjusting the adjusting sleeve so as to adapt to the automobile guardrails with different heights; the vertical rod limiting block can position the vertical rod of the guardrail, and the guardrail positioning device is simple in structure and wide in application.

Description

General type car guardrail welding jig

Technical Field

The utility model belongs to the welding jig field, concretely relates to general type car guardrail welding jig.

Background

At present, the development of steel and other materials will provide more recent, higher and more demanding requirements in welding technology and its process, consumables, equipment, automation, efficiency, cost, life, maintenance, remanufacture, etc. The welding method is developed with the assistance of the promotion of the development of modern industry and science and technology. It is anticipated that with the continued development of modern industrial and scientific technology, new developments will necessarily occur in welding techniques and equipment. Therefore, the welding fixture is widely applied to welding processing of automobile guardrails.

However, the existing welding clamp has some disadvantages in the using process, the size of the clamp is fixed, and the automobile guardrail required to be welded is different in size, so that the phenomenon that the clamp clamps unstable materials is often generated, the working efficiency and the product quality are directly influenced, and therefore, a universal automobile guardrail welding clamp is needed to be designed.

SUMMERY OF THE UTILITY MODEL

For solving the problem that exists among the above-mentioned prior art, the utility model provides a general type car guardrail welding jig to the car guardrail that the adaptation processing differs in size improves work efficiency and product quality.

In order to achieve the above object, the technical solution of the present invention is: a universal welding fixture for automobile guardrails comprises a base support fixed on the ground, a rotary shaft sleeve is fixedly arranged at the upper end of the base support, the inner side of the rotary shaft sleeve is rotatably sleeved with a movable main shaft, the upper end of the movable main shaft is provided with an adjustable mechanism, the lower end of the movable main shaft is fixedly connected with a support frame, one end of the movable main shaft is connected with a turntable assembly, the upper end of the support frame is detachably provided with a plurality of cross rod limiting mechanisms, used for positioning the automobile guardrail during welding, the cross rod limiting mechanism comprises a cross rod limiting main frame, the cross rod limiting main frame is fixed on the support frame through mutually matched locking screws and square nuts, the spacing body frame upper end of horizontal pole is provided with the mounting panel, the mounting panel middle part has passed bolt assembly and has passed through bolt assembly is fixed in the spacing body frame of horizontal pole, one side is installed the profiling block, the excircle is provided with the handle, the spacing body frame upper end of horizontal pole corresponds bolt assembly department and has still seted up the dead slot.

Furthermore, the movable main shaft comprises a main cross beam, two ends of the main cross beam penetrate through the rotary shaft sleeve, and a displacement linear rail matched with the adjustable mechanism is arranged at the upper end of the main cross beam.

Furthermore, the turntable assembly comprises a turntable fixedly connected with one end of the movable main shaft, and a locking mechanism fixed on the base support is arranged on one side of the turntable and used for locking and loosening the turntable.

Furthermore, the automobile guardrail comprises a plurality of guardrail cross rods and guardrail vertical rods which are welded with each other.

Furthermore, adjustable mechanism is including installing in the removal slip table of aversion line rail upper end, remove slip table upper end fixed mounting has montant stop gear for the location guardrail montant.

Further, montant stop gear includes that the middle part is fixed at the spacing body frame of montant on removing the slip table, the spacing body frame both ends of montant cup joint the adjusting sleeve respectively, every adjusting sleeve one end is provided with the montant stopper, the adjusting sleeve opposite side has passed fastening screw, the fastening screw other end locking montant stopper, the adjusting sleeve other end passes through fastening screw and locks on the spacing body frame of montant.

Further, the rotation angle of the rotating disc is plus or minus 90 degrees.

The utility model has the advantages that:

1. according to the length and width of the automobile guardrail, the corresponding adjustment of the support frame is realized by adjusting the locking screws, the transverse rod limiting mechanism is adopted, the mounting plate is driven by the rotating handle, the profiling blocks on the mounting plate are used for positioning and clamping the transverse rods of the guardrail with different sizes, and the automobile guardrail positioning device is simple in structure and wide in application.

2. The vertical rod limiting main frame is extended or shortened by loosening the fastening screw of the vertical rod limiting mechanism and adjusting the adjusting sleeve to adapt to automobile guardrails with different heights; the vertical rod limiting block can position the vertical rod of the guardrail, so that the guardrail is convenient to process.

3. The design of carousel subassembly through loosening locking mechanism, thereby rotates the carousel and realizes removing the angle change of main shaft, further realizes treating the angular adjustment of processing car guardrail to be convenient for operator or robot weld with best angle, improve welding quality.

Drawings

Fig. 1 is a schematic structural diagram of a general automobile guardrail welding clamp.

Fig. 2 is a schematic structural view of a crossbar limiting mechanism.

Fig. 3 is a partial schematic view of fig. 1.

FIG. 4 is an assembly view of the turntable assembly, the movable spindle, and the base support.

Fig. 5 is a schematic structural view of a vertical rod limiting mechanism.

In the figure: 1. a base support; 2. moving the main shaft; 3. rotating the shaft sleeve; 4. a turntable assembly; 5. a vehicle guardrail; 6. a support frame; 7. a cross bar limiting mechanism; 8. an adjustable mechanism; 21. a main cross beam; 22. shifting the linear rail; 41. a locking mechanism; 42. a turntable; 51. a guardrail cross bar; 52. a guardrail vertical bar; 71. the cross bar limits the main frame; 72. locking screws; 73. a square nut; 74. an empty avoiding groove; 75. a bolt assembly; 76. mounting a plate; 77. a contour block; 78. a handle; 81. a vertical rod limiting mechanism; 82. moving the sliding table; 811. the main frame is limited by the vertical rods; 812. an adjustment sleeve; 813. a vertical rod limiting block; 814. and (5) fastening the screw rod.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.

As shown in fig. 1-5, the structure of the present invention is: the utility model provides a general type car guardrail welding jig, is including being fixed in the base support 1 on ground, its characterized in that, 1 upper end fixed mounting of base support has rotatory axle sleeve 3, rotatory axle sleeve 3 inboard rotates to cup joint and removes main shaft 2, it is provided with adjustable mechanism 8, lower extreme fixed connection support frame 6, one end connection carousel subassembly 4 to remove 2 upper ends of main shaft, 6 upper ends demountable installation of support frame have a plurality of horizontal pole stop gear 7 for location car guardrail 5 during the welding, horizontal pole stop gear 7 includes the spacing body frame 71 of horizontal pole, the spacing body frame 71 of horizontal pole is fixed in on the support frame 6 through the locking screw 72 and the square nut 73 of mutually supporting, the spacing body frame 71 upper end of horizontal pole is provided with mounting panel 76, mounting panel 76 middle part has passed bolt assembly 75 and has passed through bolt assembly 75 is fixed in the spacing body frame 71 of horizontal pole, One side is provided with a profiling block 77, the excircle is provided with a handle 78, and the upper end of the cross bar limiting main frame 71 corresponding to the bolt component 75 is also provided with a clearance groove 74.

As a preferred technical scheme of the design, the moving main shaft 2 comprises a main beam 21, two ends of which penetrate through the rotating shaft sleeve 3, and a shifting linear rail 22 matched with the adjustable mechanism 8 is arranged at the upper end of the main beam 21.

As a preferred technical solution of the present design, the turntable assembly 4 includes a turntable 42 fixedly connected to one end of the movable main shaft 2, and a locking mechanism 41 fixed on the base bracket 1 is disposed on one side of the turntable 42 for locking and unlocking the turntable 42.

As a preferred technical scheme of the design, the automobile guardrail 5 comprises a plurality of guardrail cross rods 51 and guardrail vertical rods 52 which are welded with each other.

As a preferred technical scheme of this design, adjustable mechanism 8 is including installing in the removal slip table 82 of aversion wire rail 22 upper end, remove slip table 82 upper end fixed mounting has montant stop gear 81 for the location guardrail montant 52.

As an optimal technical scheme of this design, montant stop gear 81 includes that the middle part is fixed at the spacing body frame 811 of montant on removing slip table 82, adjusting sleeve 812, every are cup jointed respectively at the spacing body frame 811 of montant both ends adjusting sleeve 812 one end is provided with montant stopper 813, adjusting sleeve 812 opposite side has passed fastening screw 814, fastening screw 814 other end locking montant stopper 813, the adjusting sleeve 812 other end is locked on the spacing body frame 811 of montant through fastening screw 814.

As a preferred technical solution of the present design, the rotation angle of the turntable 42 is plus or minus 90 degrees.

When the device is used specifically, firstly, the lengths of the guardrail cross rod 51 and the guardrail vertical rod 52 of the automobile guardrail 5 to be welded are measured, the distribution of each support rod of the support frame 6 is adjusted by loosening the locking screw 72 to place the automobile guardrail 5 to be processed with different specifications, then the fastening screw 814 is loosened according to the length of the guardrail vertical rod 52 to be welded, the adjusting sleeve 812 is adjusted by loosening the fastening screw 814 to extend into the length of the vertical rod limiting main frame 811, the guardrail vertical rod 52 is limited by the vertical rod limiting block 813, the mounting plate 76 is driven by the manual rotating handle 78 to further drive the contour block 77 to complete the positioning and clamping of the guardrail cross rod 51, when the relative positions of the guardrail cross rod 51 and the guardrail vertical rod 52 are well positioned, the guardrail cross rod 51 and the guardrail vertical rod 52 are welded by manual or robot, when a group of welding is completed, the sliding table 82 is manually adjusted and moved to the position where the next guardrail, and welding is carried out in a reciprocating way, and the welding of the whole automobile guardrail is completed.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A universal automobile guardrail welding fixture comprises a base support (1) fixed on the ground and is characterized in that a rotary shaft sleeve (3) is fixedly mounted at the upper end of the base support (1), a movable main shaft (2) is sleeved on the inner side of the rotary shaft sleeve (3) in a rotating mode, an adjustable mechanism (8), a lower end fixedly connected support frame (6) and one end connected turntable assemblies (4) are arranged at the upper end of the movable main shaft (2), a plurality of cross rod limiting mechanisms (7) are detachably mounted at the upper end of the support frame (6) and used for positioning an automobile guardrail (5) during welding, each cross rod limiting mechanism (7) comprises a cross rod limiting main frame (71), each cross rod limiting main frame (71) is fixed on the support frame (6) through a locking screw (72) and a square nut (73) which are matched with each other, a mounting plate (76) is arranged at the, bolt assembly (75) have been passed and pass through in mounting panel (76) middle part bolt assembly (75) are fixed in spacing body frame of horizontal pole (71), one side is installed profiling piece (77), the excircle is provided with handle (78), clearance groove (74) have still been seted up to the corresponding bolt assembly (75) department in spacing body frame of horizontal pole (71) upper end.

2. The welding jig for the guardrail of the general type automobile according to claim 1, wherein the moving main shaft (2) comprises a main beam (21) with two ends passing through the rotating shaft sleeve (3), and the upper end of the main beam (21) is provided with a shifting linear rail (22) matched with the adjustable mechanism (8).

3. The welding jig for the guardrail of the general type automobile according to claim 2, wherein the turntable assembly (4) comprises a turntable (42) fixedly connected with one end of the moving main shaft (2), and a locking mechanism (41) fixed on the base bracket (1) is arranged on one side of the turntable (42) for locking and unlocking the turntable (42).

4. The welding jig for the general automobile guard rail according to claim 1, wherein the automobile guard rail (5) comprises a plurality of guard rail cross bars (51) and guard rail vertical bars (52) welded to each other.

5. The universal automobile guardrail welding fixture as claimed in claim 1, wherein the adjustable mechanism (8) comprises a movable sliding table (82) installed at the upper end of the shift wire rail (22), and a vertical rod limiting mechanism (81) is fixedly installed at the upper end of the movable sliding table (82) and used for positioning the vertical rod (52) of the guardrail.

6. The general automobile guardrail welding clamp as claimed in claim 5, wherein the vertical rod limiting mechanism (81) comprises a vertical rod limiting main frame (811) fixed at the middle part on the movable sliding table (82), two ends of the vertical rod limiting main frame (811) are respectively sleeved with an adjusting sleeve (812), each adjusting sleeve (812) is provided with a vertical rod limiting block (813) at one end, a fastening screw (814) passes through the other side of the adjusting sleeve (812), the vertical rod limiting block (813) is locked at the other end of the fastening screw (814), and the other end of the adjusting sleeve (812) is locked on the vertical rod limiting main frame (811) through the fastening screw (814).

7. The welding jig for automobile guardrails in accordance with claim 3, wherein the rotation angle of the rotating disc (42) is plus or minus 90 degrees.