CN219767219U

CN219767219U - Clamping tool for welding connecting rod

Info

Publication number: CN219767219U
Application number: CN202320660492.1U
Authority: CN
Inventors: 朱衡林; 杨志明
Original assignee: Hunan Teange Mechanical Equipment Co ltd
Current assignee: Hunan Teange Mechanical Equipment Co ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-09-29
Anticipated expiration: 2033-03-30

Abstract

The utility model relates to the technical field of clamping devices, and discloses a clamping tool for welding a connecting rod, which comprises a bottom plate, wherein an adjusting structure is arranged on the upper surface of the bottom plate, the adjusting structure comprises two limiting seats, the lower surfaces of the limiting seats are fixedly connected with the bottom plate, vertical adjusting screws are rotatably connected to the relative positions of the two limiting seats, the circular arc surfaces of the vertical adjusting screws are provided with threads, movable seats are in threaded connection with the circular arc surfaces of the vertical adjusting screws, movable plates are abutted to the upper surfaces of the movable seats, arc seats are fixedly connected to the upper surfaces of the movable plates, side plates are fixedly connected to the upper surfaces of the arc seats close to the two sides of the upper surfaces of the arc seats, bolts A are in threaded connection with the inner parts of the side plates, one ends of the bolts A are rotatably connected with clamping blocks, and transverse adjusting screws are in threaded connection with the inner parts of the movable seats. The utility model has the advantages of independently clamping and fixing the connecting rod and the limiting ring, and flexibly and accurately adjusting the position before welding.

Description

Clamping tool for welding connecting rod

Technical Field

The utility model relates to the technical field of clamping devices, in particular to a clamping tool for welding a connecting rod.

Background

The connecting rod is a part for connecting the piston and the main shaft, is commonly applied to the positions of automobile pistons, shock absorbers, windscreen wipers and the like, and is an important driving component.

The welding process of the connecting rod refers to welding the connecting rod and the limiting ring, and for the welding process of the connecting rod and the limiting ring, accurate debugging is required, so that the Chinese patent with the authority of CN215787801U discloses a connecting rod assembly welding fixture, relates to the technical field of welding, and aims to solve the problems that the existing connecting rod assembly needs to be assembled during welding and batch accidents are caused by human factors in the assembling process; the upper side of the front end of the bottom plate is in sliding connection with a fixing mechanism; the tail end of the bottom plate is fixedly connected with a clamping mechanism; the bottom of the bottom plate is fixedly connected with a transmission mechanism; a sliding rail is fixedly connected to the middle part of the surface of the bottom plate; the fixing mechanism is connected to the sliding rail in a sliding way; the fixing mechanism consists of a fixed base, a cover plate and a movable plate; the bottom of unable adjustment base sliding connection is on the slide rail.

Also to solve the above problems, the present utility model proposes another solution, which aims to provide a further solution to the problems.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a clamping tool for welding a connecting rod, which has the advantages of independently clamping and fixing the connecting rod and a limiting ring, and flexibly and accurately adjusting the position before welding.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a centre gripping frock is used in connecting rod welding, includes the bottom plate, the upper surface of bottom plate is equipped with adjusting structure, adjusting structure includes two spacing seats, the lower surface and the bottom plate fixed connection of spacing seat, two the relative position rotation of spacing seat is connected with perpendicular adjusting screw, perpendicular adjusting screw's circular arc surface sets up the screw thread, perpendicular adjusting screw's circular arc surface threaded connection has the movable seat, the upper surface butt of movable seat has the fly leaf, the upper surface fixedly connected with arc seat of fly leaf, the equal fixedly connected with curb plate in both sides position is close to arc seat upper surface, the inside threaded connection of curb plate has bolt A, bolt A's one end rotates and is connected with the grip block, the inside of movable seat still threaded connection has horizontal adjusting screw, horizontal adjusting screw is the cross right angle state with perpendicular adjusting screw, the upper surface of movable seat sets up flutedly, the lower surface interval of fly leaf evenly is three fixed connection locating piece, three the locating piece is located the inside of the locating piece and the recess of movable seat respectively, with horizontal adjusting screw threaded connection.

As a preferable technical scheme of the utility model, a fixed structure is arranged on one side of the upper surface of the bottom plate, which is close to the adjusting structure, the fixed structure comprises a fixed shaft, the lower end of the fixed shaft is fixedly connected with the bottom plate, the upper end of the fixed shaft is fixedly connected with a fixed plate, the upper surface of the fixed plate is fixedly connected with a positioning sleeve, three movable openings are uniformly spaced on the arc surface of the positioning sleeve, the inner wall of the movable opening is slidably connected with a sliding block, the sliding block is a metal block, the surface of one side of the sliding block, which is close to the inside of the positioning sleeve, is a smooth arc surface, one side of the sliding block, which is far away from the inside of the positioning sleeve, is fixedly connected with a fixed arc plate, the upper end of the positioning sleeve is fixedly connected with a top plate, the center position of the inside of the top plate is in a threaded connection with a bolt B, the lower end of the bolt B is fixedly connected with a conical block, and the surface of the conical block is smooth.

As a preferable technical scheme of the utility model, the magnetic block is fixedly connected inside the conical block.

As a preferable technical scheme of the utility model, the arc surface of the fixed arc plate is fixedly connected with an arc pad, the arc pad is a rubber pad, and a plurality of anti-slip bulges are arranged on the surface of the arc pad.

As a preferable technical scheme of the utility model, the two sides of the upper surface of the bottom plate corresponding to the movable seat are fixedly connected with sliding rails, the sliding rails are L-shaped, and the inner surface of the sliding rails is in sliding connection with the movable seat.

As a preferable technical scheme of the utility model, the surface of the movable seat is fixedly connected with two connecting blocks, the upper surface of each connecting block is fixedly connected with an auxiliary plate, and the upper surface of each auxiliary plate is provided with scale marks.

As a preferable technical scheme of the utility model, the surface of the clamping block is fixedly connected with an anti-skid pad, and the anti-skid pad is a rubber pad.

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

1. according to the utility model, through the arrangement of the adjusting structure, the arc-shaped seat surface is used for placing the link rod, then the clamping blocks on one side are mutually close and clamp and fix the link rod through the rotation of the bolt A, and meanwhile, through the arrangement of the vertical adjusting screw and the horizontal adjusting screw, the position of the whole movable plate can be adjusted forwards and backwards or leftwards and rightwards, so that the position of the link rod relative to the limiting ring can be adjusted according to measurement data, and more accurate welding can be realized.

2. According to the utility model, through the arrangement of the fixing structure, when the limiting ring is required to be clamped and fixed, the limiting ring is sleeved on the positioning sleeve and supported by the fixing plate, then the bolt B is rotated to enable the bolt B to move downwards on the top plate, so that the conical block at the lower end is contacted with the sliding block, the sliding block is enabled to move outwards from the movable opening in the continuous downward moving process, and finally the three fixing arc plates are enabled to be abutted to the inner wall of the limiting ring, so that the limiting ring is effectively clamped and fixed, and the blocking of the outer wall of the limiting ring is avoided by adopting the inner wall fixing mode, so that the welding operation is influenced.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of an adjusting structure of the movable plate and the structure above the movable plate;

FIG. 3 is a schematic view of the present utility model for separately showing the movable plate and its vicinity;

FIG. 4 is a schematic cross-sectional view showing the internal structure of the positioning sleeve according to the present utility model.

In the figure: 1. a bottom plate; 2. an adjustment structure; 21. a limit seat; 211. a vertical adjusting screw; 22. a movable seat; 221. a movable plate; 222. an arc-shaped seat; 223. a side plate; 224. a bolt A; 225. a clamping block; 226. an anti-slip pad; 23. a horizontal adjusting screw; 231. a groove; 232. a positioning block; 24. a connecting block; 241. an auxiliary plate; 242. scale marks; 25. a slide rail; 3. a fixed structure; 31. a fixed shaft; 32. a fixing plate; 33. positioning a sleeve; 331. a movable opening; 332. a slide block; 333. fixing the arc plate; 334. a top plate; 335. a bolt B; 336. a conical block; 337. a magnetic block; 338. an arc-shaped pad.

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.

As shown in fig. 1 to 4, the utility model provides a clamping fixture for welding a connecting rod, which comprises a bottom plate 1, wherein an adjusting structure 2 is arranged on the upper surface of the bottom plate 1, the adjusting structure 2 comprises two limiting seats 21, the lower surfaces of the limiting seats 21 are fixedly connected with the bottom plate 1, vertical adjusting screws 211 are rotatably connected at the relative positions of the two limiting seats 21, the circular arc surfaces of the vertical adjusting screws 211 are provided with threads, the circular arc surfaces of the vertical adjusting screws 211 are in threaded connection with movable seats 22, the upper surfaces of the movable seats 22 are abutted to movable plates 221, the upper surfaces of the movable plates 221 are fixedly connected with arc-shaped seats 222, the upper surfaces of the arc-shaped seats 222 are fixedly connected with side plates 223 close to the two sides, the inner threads of the side plates 223 are connected with bolts a224, one ends of the bolts a224 are rotatably connected with clamping blocks 225, the inner parts of the movable seats 22 are also in threaded connection with transverse adjusting screws 23, the transverse adjusting screws 23 are in a crossed right angle state with the vertical adjusting screws 211, grooves 231 are formed in the upper surfaces of the movable seats 22, three positioning blocks 232 are uniformly and fixedly connected with the lower surfaces of the movable plates 221, the three positioning blocks 232 are positioned at equal intervals, and are respectively positioned at two sides of the movable seats 22 and the inner sides of the grooves 231 are in threaded connection with the transverse adjusting screws 23.

Through the setting of adjusting structure 2, arc seat 222 surface is used for placing the link spare, and then through the rotation bolt A224, makes the grip block 225 of one side be close to each other to the fixed link spare of centre gripping, simultaneously, through setting up of perpendicular adjusting screw 211 and horizontal adjusting screw 23, can make whole fly leaf 221 fore-and-aft or control the position to according to chi survey data adjustment connecting rod for the position of spacing ring, realize more accurate welding.

Wherein, one side that bottom plate 1 upper surface is close to adjusting structure 2 is equipped with fixed knot and constructs 3, fixed knot constructs 3 and includes fixed axle 31, fixed axle 31's lower extreme and bottom plate 1 fixed connection, fixed axle 31's upper end fixedly connected with fixed plate 32, fixed plate 32's upper surface fixedly connected with positioning sleeve 33, positioning sleeve 33's circular arc surface interval evenly fixedly connected with three movable opening 331, movable opening 331's inner wall sliding connection has slider 332, slider 332 is the metal block, slider 332 is close to the inside one side surface of positioning sleeve 33 and is smooth circular arc surface, slider 332 is kept away from the inside one side fixedly connected with fixed arc board 333 of positioning sleeve 33, positioning sleeve 33's upper end fixedly connected with roof 334, inside central point put threaded connection of roof 334 has bolt B335, the lower extreme fixedly connected with toper piece 336 of bolt B335, toper piece 336 surface is smooth.

Through the setting of fixed knot constructs 3, when needs carry out the centre gripping fixed to the spacing ring, place the spacing ring cover on the positioning sleeve 33, and support by fixed plate 32, rotate bolt B335 afterwards, make it move down on roof 334, and then make the toper piece 336 of lower extreme contact with slider 332, and in the in-process of constantly moving down, make slider 332 outwards shift out in the movable opening 331, and finally make three fixed arc board 333 butt to the inner wall of spacing ring, thereby carry out effectual centre gripping fixed to the spacing ring, adopt the fixed mode of inner wall, avoid leading to the fact blockking to the spacing ring outer wall, thereby influence welding operation.

Wherein, inside fixedly connected with magnetic path 337 of toper piece 336.

Through the setting of magnetic path 337, when bolt B335 is rotated and makes it shift up, the adsorption force of magnetic path 337 to slider 332 can make slider 332 slide to the inside of positioning sleeve 33, and then makes slider 332 retract into positioning sleeve 33, is convenient for place the spacing ring.

Wherein, the arc surface of fixed arc board 333 is fixedly connected with arc pad 338, and arc pad 338 is the rubber pad, and a plurality of non-slip protrusions have been seted up to arc pad 338 surface.

The arc pad 338 is used for increasing the contact friction force to the inner wall of the limiting ring, so that the fixing is firmer.

Wherein, the two sides of the upper surface of the bottom plate 1 corresponding to the movable seat 22 are fixedly connected with slide rails 25, the slide rails 25 are L-shaped, and the inner surface of the slide rails 25 is in sliding connection with the movable seat 22.

The sliding rail 25 is used for positioning the movable seat 22, so that the sliding is more stable.

Wherein, two connecting blocks 24 are fixedly connected to the surface of the movable seat 22, an auxiliary plate 241 is fixedly connected to the upper surface of the connecting block 24, and graduation marks 242 are provided on the upper surface of the auxiliary plate 241.

By setting the scale marks 242 on the auxiliary plate 241, the horizontal adjusting screw 23 is used for providing reference when the horizontal adjusting screw 23 is rotated to move the left and right positions of the movable plate 221, so that the distance of the left and right movement of the connecting rod can be observed conveniently and intuitively.

The surface of the clamping block 225 is fixedly connected with an anti-slip pad 226, and the anti-slip pad 226 is a rubber pad.

The anti-slip pad 226 is used for increasing friction force when clamping the connecting rod, so that the connecting rod is fixed more firmly.

The working principle and the using flow of the utility model are as follows:

when the welding fixture is used, the connecting rod piece is placed on the surface of the arc-shaped seat 222, then the two bolts A224 are rotated, the clamping blocks 225 relatively move and clamp the connecting rod piece, meanwhile, the limiting ring is sleeved into the positioning sleeve 33, the bolts B335 are rotated, the conical blocks 336 in the positioning sleeve 33 move downwards, the sliding blocks 332 are pushed outwards, the three fixed arc plates 333 abut against and fix the limiting ring from the inside of the limiting ring, then the relative positions of the connecting rod piece and the limiting ring can be adjusted according to measured data, the movable plate 221 drives the upper part to adjust the transverse distance of the fixed connecting rod piece through rotating the transverse adjusting screw 23, and then the vertical adjusting screw 211 is rotated to drive the movable seat 22 to vertically slide on the inner wall of the sliding rail 25, so that the connecting rod piece and the limiting ring are closed until the connecting rod piece abuts against the outer wall of the limiting ring, and then welding operation can be carried out.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a connecting rod welding is with centre gripping frock, includes bottom plate (1), its characterized in that: the upper surface of bottom plate (1) is equipped with regulation structure (2), regulation structure (2) include two spacing seat (21), the lower surface of spacing seat (21) and bottom plate (1) fixed connection, two the relative position rotation of spacing seat (21) is connected with perpendicular adjusting screw (211), the screw thread has been seted up to the circular arc face of perpendicular adjusting screw (211), the circular arc face threaded connection of perpendicular adjusting screw (211) has movable seat (22), the upper surface butt of movable seat (22) has fly leaf (221), the upper surface fixedly connected with arc seat (222) of fly leaf (221), the position that is close to both sides on arc seat (222) is all fixedly connected with curb plate (223), the inside threaded connection of curb plate (223) has bolt A (224), the one end rotation of bolt A (224) is connected with grip block (225), the inside of movable seat (22) still threaded connection has adjusting screw (23), cross adjusting screw (23) and perpendicular adjusting screw (211) are crossed, the upper surface butt of movable seat (22) has fly leaf (232) on the upper surface of fly leaf (221) is located three fixed locating pieces (232) of recess (232) respectively, the positioning block (232) is in threaded connection with the transverse adjusting screw rod (23).

2. The clamping tool for welding a connecting rod according to claim 1, wherein: one side that bottom plate (1) upper surface is close to regulation structure (2) is equipped with fixed knot construct (3), fixed knot constructs (3) including fixed axle (31), the lower extreme and bottom plate (1) fixed connection of fixed axle (31), the upper end fixedly connected with fixed plate (32) of fixed axle (31), the upper surface fixedly connected with positioning sleeve (33) of fixed plate (32), the even fixedly connected with activity opening (331) in arc surface interval of positioning sleeve (33), the inner wall sliding connection of activity opening (331) has slider (332), slider (332) are the metal block, slider (332) is close to the inside one side surface of positioning sleeve (33) and is smooth circular arc surface, one side fixedly connected with fixed arc board (333) of inside of slider (332) keeping away from positioning sleeve (33), the upper end fixedly connected with roof (334) of positioning sleeve (33), the inside central point put threaded connection of roof (334) has bolt B (336), the lower extreme fixedly connected with tapered block (335) of bolt B (336), tapered block (335) surface.

3. The clamping tool for welding a connecting rod according to claim 2, wherein: the inside of toper piece (336) is fixedly connected with magnetic path (337).

4. The clamping tool for welding a connecting rod according to claim 2, wherein: the arc surface of fixed arc board (333) fixedly connected with arc pad (338), arc pad (338) are the rubber pad, a plurality of non-slip raised has been seted up on arc pad (338) surface.

5. The clamping tool for welding a connecting rod according to claim 1, wherein: the sliding rail (25) is fixedly connected to the upper surface of the bottom plate (1) at two sides corresponding to the movable seat (22), the sliding rail (25) is L-shaped, and the inner surface of the sliding rail (25) is in sliding connection with the movable seat (22).

6. The clamping tool for welding a connecting rod according to claim 1, wherein: the surface of the movable seat (22) is fixedly connected with two connecting blocks (24), the upper surface of each connecting block (24) is fixedly connected with an auxiliary plate (241), and the upper surface of each auxiliary plate (241) is provided with scale marks (242).

7. The clamping tool for welding a connecting rod according to claim 1, wherein: the surface of the clamping block (225) is fixedly connected with an anti-slip pad (226), and the anti-slip pad (226) is a rubber pad.