CN219358416U - Crank welding jig with location structure - Google Patents

Abstract

The utility model relates to a crank welding fixture with a positioning structure, which comprises a bottom plate, wherein the top of the bottom plate is fixedly provided with a first cylinder with two numbers, output shafts of the first cylinders are fixedly connected with a box body, the left side and the right side of the box body are fixedly provided with second cylinders, the output shafts of the second cylinders are fixedly connected with limiting plates, the top of the bottom plate is provided with a positioning mechanism, the top of the bottom plate is provided with a limiting assembly, the positioning mechanism comprises a fixed groove formed in the bottom plate, and the right side of the bottom plate is fixedly provided with a first motor. This crank welding jig with location structure through setting up positioning mechanism, makes welding jig possess locate function, reaches and adjusts the crank position behind the spacing centre gripping to fix a position the crank to suitable position, thereby conveniently weld it, made things convenient for user's use, increased welding jig's practicality.

Description

Crank welding jig with location structure

Technical Field

The utility model relates to the technical field of auxiliary equipment for crank processing, in particular to a crank welding fixture with a positioning structure.

Background

The crank is a member that converts a linear motion into a rotational motion, converts a reciprocating motion of a cylinder piston rod into a rotational motion of a crankshaft, and outputs power outward through a rotational shaft.

For example, chinese patent CN216656947U discloses a clamp for crank welding, relate to the field of auxiliary equipment for crank processing, including setting up fixed bar on the workstation upper surface and setting up first fixed subassembly and the second fixed subassembly at fixed bar both ends, be provided with the drop shape hole that extends along vertical direction on fixed bar one end, drop shape hole includes round hole portion and V-shaped portion, the closed angle of V-shaped portion is towards the second fixed subassembly, this application has the effect that improves crank welding precision, however this welding clamp can not possess the function of location, can not adjust the spare part position when spacing centre gripping, the welding of inconvenient part has reduced welding clamp's practicality, so propose a crank welding clamp with location structure to solve the above-mentioned problem that proposes.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the crank welding fixture with the positioning structure, which has the advantages of position adjustment and the like, and solves the problems that the welding fixture cannot have the positioning function, cannot adjust the position of a part during limiting and clamping, and is inconvenient for welding the part.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the crank welding fixture with the positioning structure comprises a bottom plate, wherein a first cylinder with the number of two is fixedly arranged at the top of the bottom plate, the output shafts of the first cylinders are fixedly connected with a box body, a second cylinder is fixedly arranged at the left side and the right side of the box body, the output shafts of the second cylinders are fixedly connected with limiting plates, the top of the bottom plate is provided with a positioning mechanism, and the top of the bottom plate is provided with a limiting assembly;

the utility model discloses a motor, including the fixed slot of seting up inside with the bottom plate, the right side fixed mounting of bottom plate has a motor, the output shaft fixedly connected with threaded rod of motor, the outside threaded connection of threaded rod has the screw thread piece, the bottom fixedly connected with slider of screw thread piece, the top fixedly connected with connecting rod of screw thread piece, the top fixedly connected with fixed plate of connecting rod, the top fixedly mounted of a fixed plate has No. two motors, the output shaft fixedly connected with worm of No. two motors, the top rotation of a fixed plate is connected with the bull stick, the outside fixedly connected with of bull stick and worm meshed worm wheel.

Further, spacing subassembly includes with bull stick top fixed connection No. two fixed plates, no. two fixed plate's bottom fixed mounting has No. three cylinders, no. three cylinder's output shaft fixedly connected with connecting plate, the bottom fixedly connected with stopper of connecting plate, no. two fixed plate's top fixedly connected with fixed block.

Further, a chute is formed in the bottom plate, and the inside of the chute is in sliding connection with the outer side of the sliding block.

Further, a threaded through hole is formed in the threaded block, and the size of the threaded through hole is matched with the size of the threaded rod.

Further, the top fixedly connected with backup pad of fixed plate, the left side of backup pad is connected with the right side rotation of worm.

Further, the limit groove is formed in the top of the fixed block, and the size of the limit groove is matched with that of the limit block.

Further, the limiting plate is U-shaped, and an opening is formed in the top of the box body.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this crank welding jig with location structure through setting up positioning mechanism, makes welding jig possess locate function, reaches and adjusts the crank position behind the spacing centre gripping to fix a position the crank to suitable position, thereby conveniently weld it, made things convenient for user's use, increased welding jig's practicality.

2. This crank welding jig with location structure through setting up spacing subassembly, makes welding jig possess spacing function, reaches spacing centre gripping to the crank to the convenience welds and position control to the crank, stability when increasing its welding and position control has made things convenient for user's use, has improved welding jig's practicality.

Drawings

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

FIG. 2 is a top view of the spacing plate structure of the present utility model;

fig. 3 is a front view of the structure of the present utility model.

In the figure: the device comprises a bottom plate 1, a first cylinder 2, a box 3, a second cylinder 4, a 5 limiting plate, a 6 fixing groove, a first motor 7, an 8 threaded rod, a 9 threaded block, a 10 sliding block, a 11 connecting rod, a first 12 fixing plate, a second motor 13, a 14 worm, a 15 rotating rod, a 16 worm wheel, a second 17 fixing plate, a third 18 cylinder, a 19 connecting plate, a 20 limiting block and a 21 fixing 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.

Embodiment one: referring to fig. 1-3, a crank welding fixture with positioning structure in this embodiment includes a bottom plate 1, a chute is provided in the bottom plate 1, a number of first cylinders 2 are fixedly mounted at the top of the bottom plate 1, a box 3 is fixedly connected to output shafts of the two first cylinders 2, an opening is provided at the top of the box 3, a second cylinder 4 is fixedly mounted at both left and right sides of the box 3, a limiting plate 5 is fixedly connected to output shafts of the two second cylinders 4, the limiting plate 5 is U-shaped, a positioning mechanism is provided at the top of the bottom plate 1, and a limiting assembly is provided at the top of the bottom plate 1.

The crank is welded to the rotating shaft, so that the crank is convenient to use, and a welding clamp is needed.

The positioning mechanism comprises a fixed groove 6 formed in the bottom plate 1, a first motor 7 is fixedly arranged on the right side of the bottom plate 1, a threaded rod 8 is fixedly connected with an output shaft of the first motor 7, a threaded block 9 is connected to the outer side of the threaded rod 8 in a threaded mode, a threaded through hole is formed in the threaded block 9, the size of the threaded through hole is matched with that of the threaded rod 8, a sliding block 10 is fixedly connected to the bottom of the threaded block 9, the inside of a sliding groove is slidably connected with the outer side of the sliding block 10, a connecting rod 11 is fixedly connected to the top of the threaded block 9, a first fixed plate 12 is fixedly connected to the top of the connecting rod 11, a supporting plate is fixedly connected to the top of the first fixed plate 12, a second motor 13 is fixedly connected to the top of the first fixed plate 12, a worm 14 is fixedly connected to the output shaft of the second motor 13, the left side of the supporting plate is rotatably connected to the right side of the worm 14, a rotating rod 15 is rotatably connected to the top of the first fixed plate 12, and a worm wheel 15 is fixedly connected to a 16 meshed with the worm 14.

By adopting the technical scheme, the position of the crank is adjusted after limiting and clamping, so that the crank is positioned at a proper position, and welding is convenient.

Embodiment two: in this embodiment, spacing subassembly includes with bull stick 15 top fixed connection No. two fixed plates 17, no. two fixed plates 17's bottom fixed mounting has No. three cylinder 18, no. three cylinder 18's output shaft fixedly connected with connecting plate 19, connecting plate 19's bottom fixedly connected with stopper 20, no. two fixed plates 17's top fixedly connected with fixed block 21, the spacing groove has been seted up at the top of fixed block 21, the size of spacing groove and the big or small looks adaptation of stopper 20.

By adopting the technical scheme, the crank is limited and clamped, so that the crank is conveniently welded and position-adjusted, and the stability of the crank during welding and position adjustment is improved.

The working principle of the embodiment is as follows:

this crank welding jig with location structure, when using, place the axis of rotation in the relative one side of two limiting plates 5, start two No. two cylinders 4, two No. two cylinders 4 drive two limiting plates 5 relative motion respectively, thereby carry out spacing centre gripping to the axis of rotation, then place the one end of crank on fixed block 21, start No. three cylinders 18, no. three cylinders 18 drive connecting plate 19 downstream, connecting plate 19 drive stopper 20 downstream, and stopper 20 peg graft in the eccentric orifices that the axis of rotation one end was kept away from to the crank, make stopper 20 insert the inside in spacing groove, thereby carry out spacing centre gripping to the crank, start No. two motors 13, the output shaft of No. two motors 13 drives worm 14 rotation, worm 14 drives worm wheel 16 rotation, worm wheel 16 drives bull stick 15 rotation, and then drive crank rotation, thereby fix the crank to suitable position, make crank and axis of rotation phase perpendicular, no. 1 cylinder 2, no. 2's output shaft drives box 3 upward motion, thereby drive No. 7, then, no. 7's output shaft drives 8 rotation, 8 drive slider 9 and set up thread blocks 9 and 9 carry out the rotation through setting up thread blocks, the screw 9, the right side is convenient for welding jig, the welding jig is used, and the right side contact has been made to the practicality is only to the right and the crank.

The control mode of the utility model is controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of the power supply also belongs to the common knowledge in the art, and the utility model is mainly used for protecting mechanical devices, so the utility model does not explain the control mode and circuit connection in detail.

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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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 (7)

1. Crank welding jig with location structure, including bottom plate (1), its characterized in that: the top of the bottom plate (1) is fixedly provided with a first cylinder (2) with two numbers, the output shafts of the first cylinders (2) are fixedly connected with a box body (3), the left side and the right side of the box body (3) are fixedly provided with a second cylinder (4), the output shafts of the second cylinders (4) are fixedly connected with limiting plates (5), the top of the bottom plate (1) is provided with a positioning mechanism, and the top of the bottom plate (1) is provided with a limiting assembly;

the utility model provides a motor (7) is installed including seting up at inside fixed slot (6) with bottom plate (1), the right side fixed mounting of bottom plate (1), the output shaft fixedly connected with threaded rod (8) of motor (7), the outside threaded connection of threaded rod (8) has screw thread piece (9), the bottom fixedly connected with slider (10) of screw thread piece (9), the top fixedly connected with connecting rod (11) of screw thread piece (9), the top fixedly connected with fixed plate (12) of connecting rod (11), the top fixedly connected with of fixed plate (12) No. two motor (13), the output shaft fixedly connected with worm (14) of No. two motor (13), the top rotation of fixed plate (12) is connected with bull stick (15), the outside fixedly connected with and worm (16) of worm (14) engaged with of bull stick (15).

2. The crank welding jig with positioning structure of claim 1, wherein: the limiting assembly comprises a second fixing plate (17) fixedly connected with the top of the rotating rod (15), a third air cylinder (18) is fixedly arranged at the bottom of the second fixing plate (17), a connecting plate (19) is fixedly connected with an output shaft of the third air cylinder (18), a limiting block (20) is fixedly connected with the bottom of the connecting plate (19), and a fixing block (21) is fixedly connected with the top of the second fixing plate (17).

3. The crank welding jig with positioning structure of claim 1, wherein: the inside of the bottom plate (1) is provided with a chute, and the inside of the chute is in sliding connection with the outer side of the sliding block (10).

4. The crank welding jig with positioning structure of claim 1, wherein: the inside of screw thread piece (9) has offered the screw thread through-hole, the size of screw thread through-hole and the big or small looks adaptation of threaded rod (8).

5. The crank welding jig with positioning structure of claim 1, wherein: the top of the first fixed plate (12) is fixedly connected with a supporting plate, and the left side of the supporting plate is rotationally connected with the right side of the worm (14).

6. A crank welding jig with positioning structure according to claim 2, wherein: the top of fixed block (21) has seted up the spacing groove, the size in spacing groove and stopper (20) size looks adaptation.

7. The crank welding jig with positioning structure of claim 1, wherein: the limiting plate (5) is U-shaped, and an opening is formed in the top of the box body (3).