CN219358497U - U-shaped part welding jig - Google Patents

Abstract

The utility model discloses a U-shaped part welding jig which comprises a bottom plate, wherein a top plate positioning mechanism is fixed in the middle of the bottom plate and used for positioning and clamping a top plate of a U-shaped part, positioning reference blocks are further arranged on one side of the top plate positioning mechanism, side plate positioning mechanisms are symmetrically arranged on two sides of the positioning reference blocks and used for positioning and clamping side plates of the U-shaped part, the side plate positioning mechanisms are fixed on the bottom plate, a middle plate positioning seat is further fixed on one side of the positioning reference blocks, a middle plate positioning mechanism is arranged above the middle plate positioning seat and is fixed on the upper end face of the top plate positioning mechanism and used for positioning and clamping a middle plate of the U-shaped part.

Description

U-shaped part welding jig

Technical Field

The utility model relates to the technical field of welding jigs, in particular to a U-shaped part welding jig.

Background

The U-shaped piece is welded by a conventional method usually, manual positioning is needed, the U-shaped piece is easy to run during welding, the problem of inaccurate size is caused, the tolerance cannot be guaranteed within a range, the rejection rate is high, the production efficiency is low, and the plate in the U-shaped piece is difficult to position during welding, so that the levelness of the plate cannot be guaranteed.

Therefore, in order to improve the welding machining precision of the U-shaped piece and improve the production efficiency of the U-shaped piece, the U-shaped piece welding jig is designed.

Disclosure of Invention

The utility model aims to provide a U-shaped piece welding jig, which is characterized in that a top plate positioning mechanism is used for positioning a top plate of a U-shaped piece, a positioning reference block and a side positioning mechanism are used for positioning and clamping a side plate of the U-shaped piece, and meanwhile, a middle plate in the U-shaped plate is positioned through a middle plate positioning seat and a middle plate positioning mechanism, so that the machining precision of the U-shaped piece is ensured, and the production efficiency is improved.

The utility model provides the following technical scheme: the utility model provides a U type spare welding jig, includes the bottom plate, the centre of bottom plate is fixed with roof positioning mechanism for to the roof positioning clamping of U type spare, the location benchmark piece is still installed to one side of roof positioning mechanism, the bilateral symmetry of location benchmark piece is provided with curb plate positioning mechanism for to U type spare curb plate positioning clamping, curb plate positioning mechanism fixes on the bottom plate, one side of location benchmark piece still is fixed with the intermediate lamella positioning seat, intermediate lamella positioning mechanism is installed to intermediate lamella positioning seat top, intermediate lamella positioning mechanism fixes on roof positioning mechanism's up end for to the intermediate lamella positioning clamping of U type spare.

In order to fix a position the curb plate of U type spare, curb plate positioning mechanism is including fixing the first fixed plate on the bottom plate, the tip of first fixed plate is fixed with first base, the outer end shaping of first base has splint, and the inner shaping has fixed cover, it has bulb movable rod to slide in the fixed cover, articulated in the splint has first handle, still articulated on the first handle have first push away to press from both sides, first push away press from both sides to connect on the other end of bulb movable rod, the rotation of first handle can drive bulb movable rod and inwards slide, the bulb end of bulb movable rod is connected with the universal joint connector, the one end of universal joint connector is connected with the locating pin, still be fixed with first locating block on the first fixed plate, the locating pin stretches into in the locating reference block behind the locating pin and presses the side of U type spare on the side of locating reference block.

In order to guide the motion direction of locating pin, prevent the rotation of U type spare curb plate, still slide in the first locating piece has first guide post, the both ends of first guide post are equipped with first guide piece and direction reference block respectively, first guide piece is fixed on first guide post, and first guide post also slides in the direction reference block, the direction reference block is connected on the bottom plate, and the direction reference block is located one side of locating reference block, first guide piece cup joints and fixes on the locating pin.

In order to fix a position the roof of U type spare, roof positioning mechanism is including fixing the roof positioning seat on the bottom plate, be fixed with the roof locating plate on the roof positioning seat, still threaded connection has the location cap on the roof locating plate, and U type spare roof cup joints and carries out position location on the location cap.

For fixing the middle plate of U type spare, middle plate positioning mechanism includes the clamp plate, the clamp plate is located the top of U type spare middle plate, it has the screw rod to slide in the clamp plate, the lower extreme of screw rod is connected with spacing cap, spacing cap is located the below of clamp plate, the screw rod upper end is connected with the movable rod, the movable rod passes roof locating plate and slides from top to bottom, there is the fixed block roof locating plate through the nut locking, the movable rod passes the fixed block and slides from top to bottom in the fixed block, be fixed with the support on the both ends face of fixed block, the upper end rotation of support is connected with the second handle, be connected through the second push away between second handle and the movable rod.

In order to guide the movement of the pressing plate and prevent the pressing plate from deflecting, an open slot is formed in one end of the pressing plate, a groove is formed in the inner side of the top plate positioning seat, the open slot is buckled on the inner wall of the groove, and the pressing plate slides up and down along the groove.

In order to fix the nut on the curb plate of U type spare, be fixed with nut welding mechanism on the bottom plate, nut welding mechanism is including fixing the third fixed plate on the bottom plate, be connected with the third base on the third fixed plate, be connected with the connecting plate on the third base, articulated on the connecting plate have rotating turret and third handle, connect through the third connecting rod between rotating turret and the third handle, the swing of third handle can drive the rotating turret swing, be fixed with the clamp bar on the rotating turret, still be fixed with the supporting shoe on the bottom plate, be connected with the backing plate on the supporting shoe, backing plate internal thread connection has the locating lever, and the backing plate has been stretched out to the one end of locating lever and has cup jointed the nut on the locating lever, the clamp bar is located the top of locating lever.

Compared with the prior art, the utility model has the following beneficial effects:

(1) The side plates of the U-shaped piece are positioned and clamped on the two side surfaces of the positioning reference block by using the side plate positioning mechanisms which are symmetrically arranged, and then the top of the U-shaped piece is positioned above the top plate positioning plate by using the top plate positioning mechanism, so that the side plates and the top plate are conveniently welded to form the U-shaped piece, and meanwhile, the middle plate positioning mechanism is also arranged, and the middle plate of the U-shaped piece is positioned on the middle plate positioning seat for welding, so that the machining precision and the production efficiency of the U-shaped piece are improved;

(2) The universal joint connector is arranged in the side plate positioning mechanism and is arranged on one side of the first push clamp, so that errors caused by machining are eliminated, and the movement direction of the positioning pin is always parallel to the force bearing direction of the push clamp;

(3) Through setting up nut welding mechanism, conveniently carry out the fixed-position welding to the nut, fix the nut on the curb plate of U type spare.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a positioning and clamping structure of the U-shaped piece of the utility model;

FIG. 3 is a front view of the side plate positioning mechanism and the intermediate plate positioning mechanism of the present utility model;

FIG. 4 is a schematic view of the structure of the top plate positioning mechanism and the intermediate plate positioning mechanism of the present utility model;

FIG. 5 is a schematic view of the nut welding mechanism of the present utility model;

in the figure: 1. a bottom plate; 2. a side plate positioning mechanism; 21. a first fixing plate; 22. a first base; 221. a clamping plate; 23. a first handle; 24. a first push clamp; 25. a fixed sleeve; 26. a ball head movable rod; 27. a universal joint connector; 28. a positioning pin; 29. a first guide block; 210. a first positioning block; 211. a first guide post; 3. a top plate positioning mechanism; 31. a top plate positioning seat; 32. a top plate positioning plate; 33. positioning caps; 34. a groove; 4. a middle plate positioning mechanism; 41. a fixed block; 42. a bracket; 43. a second handle; 44. a second push clamp; 45. a movable rod; 46. a screw; 47. a pressing plate; 48. a limit cap; 49. a middle plate positioning seat; 5. a nut welding mechanism; 51. a third fixing plate; 52. a third base; 53. a connecting plate; 54. a rotating frame; 55. a third handle; 56. a third link; 57. a pressing rod; 58. a nut; 59. a positioning rod; 510. a backing plate; 511. a support block; 61. a guide reference block; 62. positioning the reference block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1, the present utility model provides the following technical solutions: the utility model provides a U type spare welding jig, including bottom plate 1, the centre of bottom plate 1 is fixed with roof positioning mechanism 3, a roof positioning clamping for to U type spare, location benchmark piece 62 is still installed to one side of roof positioning mechanism 3, the bilateral symmetry of location benchmark piece 62 is provided with curb plate positioning mechanism 2, a curb plate is used for locating clamping to U type spare curb plate, the curb plate is located the both sides of roof, curb plate and roof welded connection back form U type spare, curb plate positioning mechanism 2 is fixed on bottom plate 1, one side of location benchmark piece 62 still is fixed with intermediate plate positioning seat 49, intermediate plate positioning mechanism 4 is installed to intermediate plate positioning seat 49 top, intermediate plate positioning mechanism 4 is fixed on the up end of roof positioning mechanism 3, be used for the intermediate plate location centre gripping to U type spare, the height of intermediate plate, levelness are fixed a position, guarantee the machining precision of intermediate plate, through curb plate positioning mechanism, roof positioning mechanism and intermediate plate positioning mechanism carry out the location centre gripping to curb plate, the whole machining precision of U type spare has been guaranteed, the production efficiency of U type spare is improved.

As shown in fig. 2 and 3, the side plate positioning mechanism 2 includes a first fixing plate 21 fixed on the bottom plate 1, the end portion of the first fixing plate 21 is fixed with a first base 22, the outer end of the first base 22 is formed with a clamping plate 221, the clamping plate 221 is formed by two plates with the same upward extension of the first base 22, the inner end is formed with a fixing sleeve 25, a ball head movable rod 26 slides in the fixing sleeve 25, a first handle 23 is hinged in the clamping plate 221, a first push clamp 24 is hinged on the first handle 23, the first push clamp 24 is connected to the other end of the ball head movable rod 26, the ball head end of the ball head movable rod 26 is connected with a universal joint connector 27, one end of the universal joint connector 27 is connected with a positioning pin 28, the arrangement of the universal joint connector 27 can eliminate other pressures on the axis of the positioning pin 28, the movement direction of the positioning pin 28 is always parallel to the stress axis of the first push clamp 24, a first positioning block 210 is fixed on the first fixing plate 21, the positioning pin 28 passes through the positioning pin 62 and then passes through the two sides of the positioning pin 62 to be welded on the side plate side surfaces of the positioning pin 62, and the positioning pin is welded on the two sides of the positioning plate.

The first positioning block 210 is internally provided with a first guide column 211 in a sliding manner, two ends of the first guide column 211 are respectively provided with a first guide block 29 and a guide reference block 61, the first guide block 29 is fixed on one end of the first guide column 211, the first guide column 211 also slides in the guide reference block 61, the guide reference block 61 is connected to the bottom plate 1, the guide reference block 61 is positioned on one side of the positioning reference block 62, the first guide block 29 is sleeved and fixed on the positioning pin 28, the first guide column 211 can guide the expansion and contraction of the positioning pin 28, and meanwhile, the side edge of the U-shaped piece side plate is attached to the first guide column 211, so that the U-shaped piece side plate can be effectively prevented from rotating.

As shown in fig. 4, the top plate positioning mechanism 3 includes a top plate positioning seat 31 fixed on the bottom plate 1, a top plate positioning plate 32 is fixed on the top plate positioning seat 31, a top plate of the U-shaped member is located above the top plate positioning plate 32, a positioning cap 33 is further screwed on the top plate positioning plate 32, the top plate of the U-shaped member is sleeved on the positioning cap 33 to perform position positioning on a horizontal plane, and the height position of the top plate of the U-shaped member is located at the top end of the side plate of the U-shaped member.

As shown in fig. 4, the middle plate positioning mechanism 4 comprises a pressing plate 47, the pressing plate 47 is located above the middle plate of the U-shaped piece and is used for pressing the middle plate of the U-shaped piece on a middle plate positioning seat 49, a screw rod 46 slides in the pressing plate 47, a limiting cap 48 is connected to the lower end of the screw rod 46, the limiting cap 48 is located below the pressing plate 47, the upper and lower movement of the screw rod 46 can enable the limiting cap 48 to move, so that the pressing plate 47 is driven to move up and down to press the middle plate of the U-shaped piece, a movable rod 45 is connected to the upper end of the screw rod 46, the movable rod 45 penetrates through the top plate positioning plate 32 to slide up and down, a fixing block 41 is connected to the fixing block 41, a nut is used for locking the fixing block 41 on the top plate positioning plate 32, the movable rod 45 penetrates through the fixing block 41 and slides up and down in the fixing block 41, two end faces of the fixing block 41 are fixedly provided with a support 42, the upper end of the support 42 is rotatably connected with a second handle 43, the second handle 43 is connected with the movable rod 45 through a second push clamp 44, and the second handle 43 rotates to enable the second push clamp 44 to move up and down, so that the second handle 45 moves up and down, and the second handle 45 moves up and down, so that the movable rod 45 moves up and down.

An open slot is formed in one end of the pressing plate 47, the inner side of the top plate positioning seat 31 is provided with the groove 34, the open slot is buckled on the inner wall of the groove 34, the pressing plate 47 slides up and down along the groove 34, the pressing plate 47 is effectively prevented from rotating on the screw 46, the pressing plate 47 is caused to deviate, and the pressure on the middle plate of the U-shaped piece is reduced.

As shown in fig. 5, the bottom plate 1 is fixed with a nut welding mechanism 5, the nut welding mechanism 5 includes a third fixing plate 51 fixed on the bottom plate 1, a third base 52 is connected to the third fixing plate 51, a connecting plate 53 is connected to the third base 52, a rotating frame 54 and a third handle 55 are hinged to the connecting plate 53, the rotating frame 54 and the third handle 55 are connected through a third connecting rod 56, the rotating frame 54 is driven to swing by swinging of the third handle 55, a pressing rod 57 is fixed on the rotating frame 54, the pressing rod 57 swings up and down further by taking the rotating frame 54 as a diameter, a supporting block 511 is also fixed on the bottom plate 1, a base plate 510 is connected to the supporting block 511, a positioning rod 59 is connected to one end of the positioning rod 59 through internal threads, a nut 58 is sleeved on the positioning rod 59, the pressing rod 57 is located above the positioning rod 59, the pressing rod 57 moves downwards to press the nut 58 on the positioning rod 59 downwards, and the nut 58 is pressed on a side plate of the U-shaped piece, so that the nut 58 is conveniently connected with the side plate.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. The utility model provides a U type spare welding jig, includes bottom plate, its characterized in that: the middle of bottom plate is fixed with roof positioning mechanism for to the roof positioning clamping of U type spare, the location benchmark piece is still installed to one side of roof positioning mechanism, the bilateral symmetry of location benchmark piece is provided with curb plate positioning mechanism for to U type spare curb plate positioning clamping, curb plate positioning mechanism is fixed on the bottom plate, one side of location benchmark piece still is fixed with the intermediate lamella positioning seat, intermediate lamella positioning mechanism is installed to intermediate lamella positioning seat top, intermediate lamella positioning mechanism fixes on roof positioning mechanism's up end for to the intermediate lamella positioning clamping of U type spare.

2. The U-shaped piece welding jig of claim 1, wherein: the side plate positioning mechanism comprises a first fixing plate fixed on a bottom plate, a first base is fixed at the end part of the first fixing plate, a clamping plate is formed at the outer end of the first base, a fixing sleeve is formed at the inner end of the first base, a ball head movable rod is arranged in the fixing sleeve in a sliding mode, a first handle is hinged in the clamping plate, a first push clamp is further hinged on the first handle and connected to the other end of the ball head movable rod, the ball head end of the ball head movable rod is connected with a universal joint connector through rotation of the first handle, a positioning pin is connected with one end of the universal joint connector, a first positioning block is further fixed on the first fixing plate, and the positioning pin penetrates through the first positioning block and then stretches into the positioning reference block to press the side plate of the U-shaped piece on the side face of the positioning reference block.

3. The U-shaped piece welding jig of claim 2, wherein: the positioning device is characterized in that a first guide column is further arranged in the first positioning block in a sliding mode, two ends of the first guide column are respectively provided with a first guide block and a guide reference block, the first guide block is fixed on the first guide column and also slides in the guide reference block, the guide reference block is connected to the bottom plate and is located on one side of the positioning reference block, and the first guide block is fixedly sleeved on the positioning pin in a sleeving mode.

4. The U-shaped piece welding jig of claim 1, wherein: the top plate positioning mechanism comprises a top plate positioning seat fixed on the bottom plate, a top plate positioning plate is fixed on the top plate positioning seat, a positioning cap is connected to the top plate positioning plate in a threaded manner, and a U-shaped piece top plate is sleeved on the positioning cap for position positioning.

5. The U-shaped piece welding jig of claim 4, wherein: the middle plate positioning mechanism comprises a pressing plate, the pressing plate is located above the middle plate of the U-shaped piece, a screw rod is arranged in the pressing plate in a sliding mode, the lower end of the screw rod is connected with a limiting cap, the limiting cap is located below the pressing plate, the upper end of the screw rod is connected with a movable rod, the movable rod penetrates through the top plate positioning plate to slide up and down, a fixed block is locked on the top plate positioning plate through a nut, the movable rod penetrates through the fixed block and slides up and down in the fixed block, supports are fixed on two end faces of the fixed block, the upper end of each support is connected with a second handle in a rotating mode, and the second handle is connected with the movable rod through a second pushing clamp.

6. The U-shaped piece welding jig of claim 5, wherein: an open slot is formed in one end of the pressing plate, a groove is formed in the inner side of the top plate positioning seat, the open slot is buckled on the inner wall of the groove, and the pressing plate slides up and down along the groove.

7. The U-shaped piece welding jig of claim 1, wherein: the nut welding mechanism is fixed on the bottom plate and comprises a third fixing plate fixed on the bottom plate, a third base is connected to the third fixing plate, a connecting plate is connected to the third base, a rotating frame and a third handle are hinged to the connecting plate, the rotating frame is connected with the third handle through a third connecting rod, the rotating frame can be driven to swing through swinging of the third handle, a pressing rod is fixed on the rotating frame, a supporting block is further fixed on the bottom plate, a base plate is connected to the supporting block, a positioning rod is connected to the base plate through internal threads, one end of the positioning rod extends out of the base plate and is sleeved with a nut on the positioning rod, and the pressing rod is located above the positioning rod.