CN218916805U - Pneumatic clamp for crankshaft detection table - Google Patents

Abstract

The utility model relates to the technical field of crankshaft clamping devices, in particular to a pneumatic clamp for a crankshaft detection table, which solves the problem of poor clamping stability when the pneumatic clamp with double clamps in the prior art is applied to a crankshaft. The utility model provides a pneumatic clamp for bent axle detects platform, includes the support frame, and the support frame is rectangular frame structure, and the inboard of support frame is provided with two regulating plates that are upper and lower symmetric distribution and two curb plates that are bilateral symmetry distribution, and two regulating plates and two curb plates are cross distribution, all are provided with splint between every regulating plate and the adjacent two curb plates, and four splint all one end rotate with adjacent regulating plate to be connected and the other end rotates with adjacent curb plate to be connected. According to the utility model, through the matching of the air cylinder, the movable block and the lifting seat, the four clamping plates are retracted and retracted, so that four clamping points can be provided for the crank handle by the four side plates to prevent the crank handle from rolling sideways, and the effect of stably clamping the crank is realized.

Description

Pneumatic clamp for crankshaft detection table

Technical Field

The utility model relates to the technical field of crankshaft clamping devices, in particular to a pneumatic clamp for a crankshaft detection table.

Background

The crankshaft is one of the core components of the automobile transmission system, quality detection needs to be carried out on the crankshaft after the crankshaft is machined, the crankshaft needs to be fixed on a detection table by means of a clamp, the existing detection device is characterized in that the crankshaft is clamped by the pneumatic clamp, the pneumatic clamp is convenient to operate, and the reaction speed is high when workpieces are assembled and disassembled, so that the application range is wide.

However, the existing pneumatic clamp is of a double-clamp structure, and the clamping surface of the crankshaft is of an arc-shaped structure, so that if a clamp with a planar surface is adopted, the clamping stability is insufficient, the problem of rolling deflection is easy to occur, if the clamp with an arc-shaped structure is adopted, the clamping stability can be enhanced when a crankshaft with proper clamping size is clamped, but the used size is single, when the radian of the clamping surface of the crankshaft is not uniform with the radian of the clamp, the problem of unstable clamping exists, and the pneumatic clamp for the crankshaft detection table can be provided for the problems above, and the effect of stably clamping crankshafts with different sizes can be realized by improving the structure.

Disclosure of Invention

The utility model aims to provide a pneumatic clamp for a crankshaft detection table, which solves the problem of poor clamping stability when the pneumatic clamp with double clamps in the prior art is applied to a crankshaft.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a pneumatic clamp for bent axle detects platform, which comprises a supporting rack, the support frame is rectangular frame structure, the inboard of support frame is provided with two regulating plates that are upper and lower symmetry and two curb plates that are bilateral symmetry and distribute, two regulating plates and two curb plates are cross distribution, all be provided with splint between every regulating plate and the adjacent two curb plates, four splint all one end rotate with adjacent regulating plate and the other end rotate with adjacent curb plate to be connected, the equal fixedly connected with elevating socket in the outside of two regulating plates, the equal fixedly connected with in the outside of two elevating socket is four slide bars that are rectangular array and distribute, all slide bars all are L shape structure, the slide bar runs through the lateral wall of support frame and with support frame sliding connection, equal sliding connection has the movable block in the two elevating socket, the movable block is the structure of downward sloping in the direction of keeping away from the shrouding with the contact surface between the corresponding elevating socket, the inside fixedly connected with shrouding of support frame, the movable frame is the U-shaped structure and is connected with the shrouding through the cylinder, cylinder and fixed connection and the piston rod of cylinder and movable frame are fixed connection, the piston rod and the movable frame are all connected with the movable frame and the both ends of movable frame and the adjacent movable frame are connected respectively.

Preferably, the inner sides of the four clamping plates are fixedly connected with anti-slip pads.

Preferably, the outside of two curb plates is all fixedly connected with gag lever post and gag lever post runs through the lateral wall of support frame, and the gag lever post passes through spring and support frame elastic sliding connection and the spring housing is established on the outer wall of gag lever post.

Preferably, the slide bar is elastically and slidably connected with the support frame through a spring, the spring is sleeved on the outer wall of the slide bar, and all the springs are positioned on the outer side of the support frame.

Preferably, the lifting seat is internally provided with a groove, the movable block is positioned in the groove, and the top side wall of the groove is of a downward inclined structure in the direction away from the sealing plate.

Preferably, the side wall of the groove is embedded with a plurality of balls which are uniformly distributed, and the outer walls of all the balls are contacted with the outer wall of the movable block.

The utility model has at least the following beneficial effects:

through the cooperation of cylinder, adjustable shelf, movable block and elevating seat, can adjust the vertical interval between two elevating seat for four splint laminate with not unidimensional crank handle through rotatory, thereby provide four clamping points for the crank handle, can prevent the problem that the bent axle was rolled, and splint can laminate with the bent axle clamping face of different radians, have realized the effect of stable centre gripping not unidimensional bent axle.

The utility model also has the following beneficial effects:

through the cooperation of elevating seat, recess, fly leaf and support frame, restricted the relative motion direction route between elevating seat and the fly leaf, can prevent to take place the skew between elevating seat and the fly leaf, through the cooperation of gag lever post, curb plate and support frame, restrict the motion route of curb plate in horizontal straight line direction, can prevent that the curb plate from declining and lead to four splint unable simultaneously the problem of centre gripping crank axle, above comprehensive stability and the centre gripping stability of this pneumatic clamp self structure have been promoted.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic front view of the present utility model;

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

FIG. 3 is a side view of the movable block and lifting seat in cross section;

in the figure: 1. a support frame; 2. an adjusting plate; 3. a side plate; 4. a clamping plate; 5. an anti-slip pad; 6. a lifting seat; 7. a slide bar; 8. a groove; 9. a movable block; 10. a limit rod; 11. a sealing plate; 12. a cylinder; 13. a movable frame; 14. a ball; 15. crank handle.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1-3, a pneumatic clamp for a crankshaft detection platform, which comprises a supporting frame 1, the support frame 1 is rectangular frame structure, the inboard of support frame 1 is provided with two regulating plates 2 that are upper and lower symmetric distribution and two curb plates 3 that are bilateral symmetric distribution, two regulating plates 2 and two curb plates 3 are cross distribution, all be provided with splint 4 between every regulating plate 2 and the adjacent two curb plates 3, all one end and adjacent regulating plate 2 swivelling joint and the other end and adjacent curb plate 3 swivelling joint of four splint 4, the outside of two regulating plates 2 all fixedly connected with elevating seat 6, the outside of two elevating seat 6 all fixedly connected with four slide bars 7 that are rectangular array distribution, all slide bars 7 are L-shaped structure, slide bar 7 runs through the lateral wall of support frame 1 and with support frame 1 sliding connection, all sliding connection has movable block 9 in two elevating seat 6, the contact surface between movable block 9 and corresponding elevating seat 6 is the structure that descends the slope down in the direction of keeping away from 11, the inside fixedly connected with shrouding 11 of support frame 1, one side 11 of being kept away from splint 4 and the movable frame 13 and being movable frame 13 and the cylinder 11, the side 13 of movable frame 13 and the cylinder 13 are fixedly connected with both ends of cylinder 11, the cylinder 13 and the cylinder 13 are connected with both ends of movable frame 13 and the cylinder 13 respectively.

The scheme comprises the following working processes:

when the crankshaft is clamped, crank handles 15 at two ends of the crankshaft are required to be inserted between four clamping plates 4 in the two pneumatic clamps respectively, then an opening cylinder 12 is controlled to be opened, a piston rod of the cylinder 12 stretches and contracts to drive a movable frame 13 and a movable block 9 to be connected to form a whole to conduct linear motion, when the piston rod of the cylinder 12 stretches, the movable frame 13 can drive the movable block 9 to conduct linear motion, when the movable block 9 moves in a direction away from a sealing plate 11 before, a lifting seat 6 moves upwards along a contact surface of the movable block 9 and the lifting seat 6 in an inclined structure, so that an adjusting plate 2 is driven to ascend, the four clamping plates 4 can be retracted to be tightly attached to the outer wall of the crank handles 15 to stably clamp the crank, otherwise, when the piston rod of the cylinder 12 stretches, the four clamping plates 4 can be retracted outwards, and the crankshaft can be taken down at the moment.

The working process can be as follows:

the four side plates 3 can be driven to move by controlling the telescopic rods of the air cylinders 12, so that the four side plates 3 can provide four clamping points for the crank handle 15, the crank handle 15 can be effectively prevented from rotating, and the effect of stably clamping the crank is realized.

Further, the inner sides of the four clamping plates 4 are fixedly connected with anti-slip pads 5, and the anti-slip pads 5 can increase friction to further improve clamping stability.

Further, the outside of two curb plates 3 is all fixedly connected with gag lever post 10 and gag lever post 10 runs through the lateral wall of support frame 1, and gag lever post 10 passes through spring and support frame 1 elasticity sliding connection and the spring housing is established on the outer wall of gag lever post 10, and gag lever post 10 can restrict the travel path of curb plate 3 in order to prevent curb plate 3 skew for four splint 4 can hold crank handle 15 simultaneously.

Further, the slide bar 7 is connected with the support frame 1 in an elastic sliding manner through the springs, the springs are sleeved on the outer wall of the slide bar 7, all the springs are located on the outer side of the support frame 1, the springs can support the whole formed by connecting the lifting seat 6 and the adjusting plate 2, the load bearing burden of the movable block 9 can be reduced, and the stability of the structure is improved.

Further, set up recess 8 and movable block 9 in the elevating socket 6 and be located recess 8, the top lateral wall of recess 8 is the structure of descending slope in the direction of keeping away from shrouding 11, and recess 8 can provide the relative movement space for movable block 9 and elevating socket 6, can restrict the relative motion route between them again, has effectively promoted the steadiness of the cooperation degree between the structure and pneumatic anchor clamps self structure.

Further, the side wall of the groove 8 is embedded with a plurality of evenly distributed balls 14, the outer walls of all the balls 14 are in contact with the outer wall of the movable block 9, the balls 14 can reduce friction resistance when the adjusting plate 2 and the movable block 9 relatively move, and flexibility of the device clamp can be improved.

The foregoing has shown and described the basic principles, principal features and advantages of the 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 therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. Pneumatic clamp for crankshaft detection platform, comprising a support frame (1), characterized in that: the support frame (1) is of a rectangular frame structure, two regulating plates (2) which are vertically symmetrically distributed and two side plates (3) which are horizontally symmetrically distributed are arranged on the inner side of the support frame (1), the two regulating plates (2) and the two side plates (3) are in cross-shaped distribution, clamping plates (4) are arranged between each regulating plate (2) and the two adjacent side plates (3), one end of each clamping plate (4) is rotationally connected with the adjacent regulating plate (2) and the other end of each clamping plate is rotationally connected with the adjacent side plate (3), lifting seats (6) are fixedly connected on the outer sides of the two regulating plates (2), four slide bars (7) distributed in a rectangular array are fixedly connected to the outer sides of two lifting seats (6), all the slide bars (7) are of L-shaped structures, the slide bars (7) penetrate through the side wall of the support frame (1) and are in sliding connection with the support frame (1), movable blocks (9) are fixedly connected in the two lifting seats (6), contact surfaces between the movable blocks (9) and the corresponding lifting seats (6) are of downward inclined structures in the direction away from the sealing plate (11), the sealing plate (11) is fixedly connected to the inner side of the support frame (1), one side, away from the clamping plate (4), of the sealing plate (11) is provided with a movable frame (13), the movable frame (13) is of a U-shaped structure and is connected with the sealing plate (11) through the air cylinder (12), the air cylinder (12) is fixedly connected with the sealing plate (11), a piston rod of the air cylinder (12) is fixedly connected with the movable frame (13), two ends of the movable frame (13) penetrate through the sealing plate (11) and are in sliding connection with the sealing plate (11), and two ends of the movable frame (13) are respectively fixedly connected with adjacent movable blocks (9).

2. A pneumatic clamp for a crankshaft inspection station as claimed in claim 1, wherein: the inner sides of the four clamping plates (4) are fixedly connected with anti-slip pads (5).

3. A pneumatic clamp for a crankshaft inspection station as claimed in claim 1, wherein: the two outer sides of the side plates (3) are fixedly connected with limiting rods (10) and the limiting rods (10) penetrate through the side walls of the supporting frame (1), and the limiting rods (10) are elastically and slidably connected with the supporting frame (1) through springs and are sleeved on the outer walls of the limiting rods (10).

4. A pneumatic clamp for a crankshaft inspection station as claimed in claim 1, wherein: the sliding rod (7) is elastically and slidably connected with the supporting frame (1) through springs, the springs are sleeved on the outer wall of the sliding rod (7), and all the springs are located on the outer side of the supporting frame (1).

5. A pneumatic clamp for a crankshaft inspection station as claimed in claim 1, wherein: the lifting seat (6) is internally provided with a groove (8) and the movable block (9) is positioned in the groove (8), and the top side wall of the groove (8) is of a downward inclined structure in the direction away from the sealing plate (11).

6. A pneumatic clamp for a crankshaft inspection station as defined in claim 5, wherein: the side wall of the groove (8) is embedded with a plurality of uniformly distributed balls (14), and the outer walls of all the balls (14) are contacted with the outer wall of the movable block (9).

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