CN219851742U - Limiting type straightening clamping fixture - Google Patents

Abstract

The utility model provides a limiting type straightening clamping fixture and relates to the technical field of conjuncted shaft straightening clamping fixtures. This spacing type alignment mould, comprising a base plate, bottom plate top rear side fixedly connected with fixed plate, the equal fixedly connected with support frame in bottom plate top both sides, the equal fixedly connected with fixed block in the inside both sides of fixed plate, two the equal threaded connection of fixed block has the threaded rod, two the equal fixedly connected with clamp plate in threaded rod bottom, the inside fixedly connected with mounting panel of fixed plate, mounting panel front side fixedly connected with fixed disk, the inside rotation of fixed disk is connected with the rotor plate. This spacing formula alignment mould, movable plate drive connecting block and splint when removing to make splint carry out spacingly to conjuncted axle, a plurality of clamping bars shrink carry out the clamping to conjuncted axle, use correction clamp plate to carry out the correction of pushing down to conjuncted axle, improve stability.

Description

Limiting type straightening clamping fixture

Technical Field

The utility model relates to a clamping fixture, in particular to a limiting type straightening clamping fixture, and belongs to the technical field of conjoined shaft straightening clamping fixtures.

Background

The planetary gear shaft is a key piece in the automobile differential mechanism, and besides the high requirement on the dimensional accuracy, the position accuracy requirement is also high, and the manufacturing difficulty is high. The planetary gear shafts are in a cross structure, and the shafts which are respectively arranged on the four sides are respectively provided with a planetary gear with the same shape and size but opposite directions. The back of the planetary gear is a sphere which is matched with a corresponding inner sphere on the differential shell, and the matching quality directly influences the meshing quality of the planetary gear and the matched half-shaft gear. The greatest influence on quality in the manufacturing process of the planetary gear shaft is a heat treatment process, and residual deformation of the planar conjuncted multiaxial member is inevitably left after the heat treatment. The deformation out-of-tolerance is a defective product, and the prior art realizes fine shaping mainly through leveling and straightening technical measures so as to achieve the design quality.

The utility model discloses a conjuncted multiaxis spare spacing type alignment mould in CN201889337U plane includes template seat, outer support, upper limit stopper, pressure head, horizontal limit stopper, compensation pad, inner support and lower limit stopper. The template seat comprises a bottom plate and a wallboard which are perpendicular to each other, an outer support and an inner support which are at the same height are arranged on the bottom plate corresponding to the horizontal shaft ends at two ends of the workpiece, an upper limiting block and a lower limiting block are fixedly connected to the inner end face of the wallboard corresponding to the upper section and the lower section of the vertical shaft of the workpiece respectively, the inner side faces of the upper limiting block and the lower limiting block are parallel and opposite, and the interval is the diameter value of the workpiece shaft. The transverse limiting block fixedly connected to the right side of the middle of the wallboard is positioned above the right shaft end of the workpiece, and a compensation block is plugged between the downward end face of the transverse limiting block and the outer wall of the right shaft end of the workpiece. The workpiece is positioned in the full limiting structure and is pressed and straightened by the pressing head, the straightening operation is simple and convenient and quick, the quality is good, and the workpiece is not likely to be ejected from the clamping fixture in the straightening process, so the safety is good. The utility model has high straightening efficiency and is particularly suitable for being used as a straightening device in mass production.

When the scheme is used, the fixing effect of the connecting shaft is unstable, the connecting shaft can possibly deviate when being corrected and pressed, the connecting shaft is easy to deform secondarily or the shaft end of the connecting shaft is caused to be wavy and bent, parts are scrapped, and the cost is increased.

Disclosure of Invention

(one) solving the technical problems

The utility model aims to solve the problems that the fixing effect on the conjoined shaft is unstable in the prior art, the conjoined shaft can be offset when being corrected and pressed down, the conjoined shaft is easy to deform secondarily or the shaft end of the conjoined shaft is easy to waved and bent, parts are scrapped, and the cost is increased.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: limiting type straightening clamping fixture comprises a bottom plate, bottom plate top rear side fixedly connected with fixed plate, the equal fixedly connected with support frame in bottom plate top both sides, the equal fixedly connected with fixed block in the inside both sides of fixed plate, two the equal threaded connection of fixed block has the threaded rod, two the equal fixedly connected with clamp plate in threaded rod bottom, the inside fixedly connected with mounting panel of fixed plate, mounting panel front side fixedly connected with fixed disk, the inside rotation of fixed disk is connected with the rotor plate.

Preferably, a plurality of fixed sleeves are fixedly connected in the fixed disc, a plurality of fixed sleeves are distributed in the fixed disc in an annular array, and sliding rods are slidably connected in the fixed sleeves, so that the limiting of the conjuncted shaft is facilitated.

Preferably, the guide rod is fixedly connected to one side of the sliding rod, a sliding groove is formed in the side wall of the fixed sleeve, the guide rod penetrates through the sliding groove and is in sliding connection with the sliding groove, a plurality of arc grooves are formed in the rotating plate, and the guide rod penetrates through the arc grooves and is in sliding connection with the arc grooves respectively to limit the guide rod.

Preferably, the worm wheel is fixedly connected to the outer side of the rotating plate, the worm is connected to the inside of the fixed disc in a rotating mode, the worm is meshed with the worm wheel, and the rotating worm drives the worm wheel to rotate, so that the rotating plate is driven to rotate.

Preferably, a plurality of slide bars all run through the fixed disk lateral wall and with fixed disk sliding connection, a plurality of slide bars extend to the equal fixedly connected with clamp lever of fixed disk outside one end, make the slide bar drive the clamp lever and remove.

Preferably, the inside rotation of bottom plate is connected with the lead screw, lead screw both ends screw thread direction sets up to opposite, the equal threaded connection in lead screw both ends has the movable block, two equal fixedly connected with movable block in movable block top, two equal fixedly connected with connecting block in movable plate one side, two equal fixedly connected with splint in connecting block one side makes the movable plate drive the connecting block and removes, and the connecting block drives the splint and remove.

Preferably, a limiting rod is fixedly connected inside the bottom plate, penetrates through the two moving blocks and is in sliding connection with the two moving blocks, and limiting is carried out on the screw rod.

The utility model provides a limiting type straightening clamping fixture, which has the following beneficial effects:

1. this spacing type alignment mould places the heavy conjuncted axle of lightweight in the bottom plate top, makes conjuncted axle both ends axis body place in the support frame top, and rotates the threaded rod, makes the threaded rod descend to the threaded rod drives the clamp plate when descending and descends, makes the clamp plate spacing to conjuncted axle, rotates the lead screw and makes the lead screw drive two movable blocks relative movement, thereby makes the movable block drive the movable plate and removes, and the movable plate drives connecting block and splint when removing, thereby makes splint spacing conjuncted axle.

2. This spacing type alignment mould rotates worm and drives the worm wheel and rotate, and the worm wheel rotates and drives the rotor plate and rotate, and the rotor plate rotates and drives the arc wall and move, makes the arc wall spacing to the guide bar, and the guide bar removes along arc wall and spout simultaneously to make the guide bar drive the slide bar and remove, thereby make the slide bar drive a plurality of clamp levers and remove when removing, a plurality of clamp levers shrink and carry out the clamping to conjuncted axle, use correction clamp plate to push down the correction to conjuncted axle, improve stability.

Drawings

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

FIG. 2 is a front cross-sectional view of the present utility model;

FIG. 3 is a schematic view showing the internal structure of the fixing plate of the present utility model;

fig. 4 is a schematic structural view of the mounting plate of the present utility model.

In the figure: 1. a bottom plate; 2. a fixing plate; 3. a support frame; 4. a fixed block; 5. a threaded rod; 6. a mounting plate; 7. a fixed plate; 8. a rotating plate; 9. a fixed sleeve; 10. a slide bar; 11. a guide rod; 12. a chute; 13. an arc-shaped groove; 14. a worm; 15. a clamping rod; 16. a screw rod; 17. a moving block; 18. a moving plate; 19. a connecting block; 20. a clamping plate; 21. a limit rod; 22. a pressing plate; 23. a worm wheel.

Detailed Description

The embodiment of the utility model provides a limiting type straightening clamping fixture.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4, which comprises a base plate 1, bottom plate 1 top rear side fixedly connected with fixed plate 2, the equal fixedly connected with support frame 3 in bottom plate 1 top both sides, the equal fixedly connected with fixed block 4 in both sides of fixed plate 2 inside, the equal threaded connection of inside equal threaded connection of two fixed blocks 4 has threaded rod 5, the equal fixedly connected with clamp plate 22 in bottom of two threaded rods 5, the inside rotation of bottom plate 1 is connected with lead screw 16, the screw thread direction sets up to be opposite at lead screw 16 both ends, the equal threaded connection of lead screw 16 has movable block 17, the equal fixedly connected with movable plate 18 in two movable block 17 tops, equal fixedly connected with connecting block 19 in two movable plate 18 one side, equal fixedly connected with clamp plate 20 in two connecting block 19 one side, make movable plate 18 drive connecting block 19 and remove, connecting block 19 drive clamp plate 20 and remove, the inside fixedly connected with gag lever 21 in bottom plate 1, gag lever post 21 runs through two movable blocks 17 and with two movable block 17 sliding connection, carry out the gag lever post 16

The inside fixedly connected with mounting panel 6 of fixed plate 2, mounting panel 6 front side fixedly connected with fixed disk 7, the inside rotation of fixed disk 7 is connected with rotor plate 8, the inside fixedly connected with of fixed disk 7 a plurality of fixed cover 9, a plurality of fixed cover 9 are annular array and distribute in the fixed disk 7 inside, the inside equal sliding connection of a plurality of fixed covers 9 has slide bar 10 to be favorable to spacing to conjuncted axle, slide bar 10 one side fixedly connected with guide bar 11, spout 12 has been seted up to fixed cover 9 lateral wall inside, guide bar 11 runs through spout 12 and with spout 12 sliding connection, a plurality of arc grooves 13 have been seted up to rotor plate 8 inside, a plurality of guide bars 11 run through a plurality of arc grooves 13 respectively and with a plurality of arc grooves 13 sliding connection, limit guide bar 11, rotor plate 8 outside fixedly connected with worm wheel 23, the inside rotation of fixed disk 7 is connected with worm 14, worm 14 and worm wheel 23 meshing connection, rotor plate 14 drives rotor plate 8 rotation, a plurality of slide bars 10 all run through the fixed disk 7 lateral wall and with fixed disk 7 sliding connection, a plurality of slide bars 10 extend to fixed disk 7 outside one end fixedly connected with 15, make clamp bar 15 drive clamp bar 15 and move slide bar 15.

Specifically, the conjuncted shaft is placed at the top of the bottom plate 1, so that shaft bodies at two ends of the conjuncted shaft are placed at the top of the supporting frame 3, the threaded rod 5 is rotated, the threaded rod 5 descends, the pressing plate 22 is driven to descend when the threaded rod 5 descends, the pressing plate 22 limits the conjuncted shaft, the screw rod 16 is rotated, the screw rod 16 drives the two moving blocks 17 to move relatively, the moving blocks 17 drive the moving plate 18 to move, and the moving plate 18 drives the connecting block 19 and the clamping plate 20 to move when moving, so that the clamping plate 20 limits the conjuncted shaft.

The worm wheel 23 is driven to rotate by the rotating worm 14, the rotating plate 8 is driven to rotate by the rotation of the worm wheel 23, the arc-shaped groove 13 is driven to move by the rotation of the rotating plate 8, the guide rod 11 is limited by the arc-shaped groove 13, the guide rod 11 simultaneously moves along the arc-shaped groove 13 and the sliding groove 12, the guide rod 11 drives the sliding rod 10 to move, the sliding rod 10 drives the clamping rods 15 to move during moving, the clamping rods 15 shrink to clamp the conjuncted shaft, and the conjuncted shaft is pressed and corrected by the correction pressing plate, so that stability is improved.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. Limiting type alignment mould, including bottom plate (1), its characterized in that: bottom plate (1) top rear side fixedly connected with fixed plate (2), the equal fixedly connected with support frame (3) in bottom plate (1) top both sides, the equal fixedly connected with fixed block (4) in inside both sides of fixed plate (2), two equal threaded connection has threaded rod (5) inside fixed block (4), two equal fixedly connected with clamp plate (22) in threaded rod (5) bottom, the inside fixedly connected with mounting panel (6) of fixed plate (2), mounting panel (6) front side fixedly connected with fixed disk (7), inside rotation of fixed disk (7) is connected with rotor plate (8).

2. The spacing alignment jig of claim 1, wherein: the fixed disk (7) is internally fixedly connected with a plurality of fixed sleeves (9), a plurality of fixed sleeves (9) are distributed in the fixed disk (7) in an annular array, and a plurality of sliding rods (10) are slidably connected in the fixed sleeves (9).

3. The spacing alignment jig of claim 2, wherein: slide bar (10) one side fixedly connected with guide bar (11), spout (12) have been seted up to fixed cover (9) lateral wall inside, guide bar (11) run through spout (12) and with spout (12) sliding connection, a plurality of arc wall (13) have been seted up to rotor plate (8) inside, a plurality of guide bar (11) run through a plurality of arc wall (13) respectively and with a plurality of arc wall (13) sliding connection.

4. The spacing alignment jig of claim 1, wherein: the outer side of the rotating plate (8) is fixedly connected with a worm wheel (23), the inside of the fixed disc (7) is rotationally connected with a worm (14), and the worm (14) is meshed with the worm wheel (23).

5. A spacing alignment jig as claimed in claim 3 wherein: the sliding rods (10) penetrate through the outer side wall of the fixed disc (7) and are in sliding connection with the fixed disc (7), and clamping rods (15) are fixedly connected to one ends, extending to the outer side of the fixed disc (7), of the sliding rods (10).

6. The spacing alignment jig of claim 1, wherein: the novel movable floor is characterized in that a screw rod (16) is connected to the inside of the bottom plate (1) in a rotating mode, the thread directions of two ends of the screw rod (16) are opposite, moving blocks (17) are connected to two ends of the screw rod (16) in a threaded mode, moving plates (18) are fixedly connected to the tops of the moving blocks (17), connecting blocks (19) are fixedly connected to one sides of the moving plates (18), and clamping plates (20) are fixedly connected to one sides of the connecting blocks (19).

7. The limited alignment mold of claim 6, wherein: the bottom plate (1) is internally fixedly connected with a limiting rod (21), and the limiting rod (21) penetrates through the two moving blocks (17) and is in sliding connection with the two moving blocks (17).