CN220718966U

CN220718966U - Piston rod polishing clamp

Info

Publication number: CN220718966U
Application number: CN202322209099.3U
Authority: CN
Inventors: 王辉
Original assignee: Changzhou Junhui Vehicle Parts Co ltd
Current assignee: Changzhou Junhui Vehicle Parts Co ltd
Priority date: 2023-08-17
Filing date: 2023-08-17
Publication date: 2024-04-05
Anticipated expiration: 2033-08-17

Abstract

The utility model discloses a piston rod polishing clamp, which relates to the technical field of piston rod polishing and comprises a chuck body, wherein clamping claws are clamped in the chuck body at equal intervals, connecting plates are distributed on the upper sides of the clamping claws, longitudinal sections of the connecting plates are of U-shaped structures, fixing blocks are symmetrically connected to the side edges of the connecting plates, inserting rods are inserted in the fixing blocks, and the upper sides of the inserting rods are connected through linkage plates. According to the utility model, the movable plate and the butt joint block are arranged, after the clamping of the piston rod is completed by the clamping jaw, the limit work of the clamping jaw can be realized by the mutual matching of the movable plate and the butt joint block, so that the condition that the clamping jaw is stressed to be retreated is prevented, the mounting plate and the air cylinder are arranged, and the three groups of movable plates can be driven to be lifted and pushed down simultaneously by starting the arrangement of the air cylinder, so that a worker does not need to manually and sequentially pull the movable plate, and the limit efficiency of the clamping jaw can be improved.

Description

Piston rod polishing clamp

Technical Field

The utility model relates to the technical field of piston rod polishing, in particular to a piston rod polishing clamp.

Background

The piston rod is a connecting part for supporting the piston to do work, most of the piston rod is applied to a cylinder and air cylinder movement executing part, the piston rod is a moving part with frequent movement and high technical requirements, the polishing process is an essential link of the piston rod in the processing process, the piston rod is mainly used for improving the surface quality and the smoothness of the piston rod so as to achieve the purposes of improving the mechanical property and prolonging the service life, and in the polishing process of the piston rod, a three-jaw chuck is needed to clamp and fix the piston rod so as to ensure the smooth polishing work.

When the existing three-jaw chuck is used for polishing, the piston rod is clamped by the three groups of jaws, the polishing wheel is started to rotate to finish polishing the outer surface of the rod body, force in the horizontal direction can be applied to the piston rod essentially in the high-speed rotation process of the polishing wheel, and the force can be conducted to the jaws after the force is applied, so that the jaws are driven to move back, the overall clamping effect of the three-jaw chuck is reduced, the stability in clamping is relatively poor, and therefore, the piston rod polishing clamp is provided to solve the problems.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a piston rod polishing clamp.

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

the utility model provides a piston rod polishing clamp, includes the chuck body, the inside equidistance block of chuck body has the jack catch, and the upside of jack catch all distributes the connecting plate, the longitudinal section of connecting plate sets up to U type structure, and the side symmetry of connecting plate is connected with the fixed block, the inside of fixed block is all inserted and is equipped with the pole of inserting, and inserts the upside of establishing the pole and be connected through the linkage board, the downside of inserting the pole is connected with the movable plate, and the below of movable plate is equipped with the butt joint piece, the draw-in groove with butt joint piece looks adaptation has evenly been seted up to the upside of chuck body.

Preferably, the side of the connecting plate is connected with a mounting plate, and the inside of the mounting plate is connected with the claw through a bolt.

Preferably, the center position of mounting panel upside department is connected with the cylinder vertically, and the upside of cylinder is connected with the installation piece, the side of installation piece is connected with the linkage board.

Preferably, a sliding block is connected to one side of the moving plate, which is close to the connecting plate, a sliding groove matched with the sliding block is formed in the connecting plate, and the inner wall of the sliding groove is in contact with the outer surface of the sliding block.

Preferably, the upside of butt joint piece is connected with the threaded rod, the inside of movable plate is seted up the thread groove with threaded rod looks adaptation.

Preferably, the upper side of the fixed block is connected with a connecting spring, the upper end of the connecting spring is connected with the movable plate, and the connecting spring is movably sleeved at the upper side position of the inserting rod.

Preferably, the top end of the butt joint block is connected with a contact plate, and the contact plate is distributed in an annular array structure.

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

1. the device is provided with movable plate and butt joint piece, accomplishes the back with the piston rod centre gripping at the jack catch, through the mutually supporting of movable plate and butt joint piece, can realize the spacing work to the jack catch to prevent that the condition of returning appears in the jack catch atress, stability when guaranteeing the centre gripping to the piston rod.

2. The device is provided with mounting panel and cylinder, in the use, through the setting of start cylinder, can drive lifting and pushing down in the time of three group's movable plates to need not manual pull movable plate in proper order of staff, thereby can promote the spacing efficiency to the jack catch.

Drawings

Fig. 1 is a schematic perspective view of a piston rod polishing clamp according to the present utility model;

FIG. 2 is a schematic perspective view of the structure of the connecting plate and the butt joint block in FIG. 1;

FIG. 3 is a schematic perspective view of the cylinder and mounting plate of FIG. 1;

fig. 4 is a schematic perspective cross-sectional view of the abutment and threaded rod configuration of fig. 1.

In the figure: 1. a chuck body; 2. a claw; 3. a connecting plate; 4. a fixed block; 5. inserting a rod; 6. a moving plate; 7. a butt joint block; 8. a mounting block; 9. a cylinder; 10. a mounting plate; 11. a connecting spring; 12. a sliding block; 13. a chute; 14. a threaded rod; 15. a contact plate; 16. and a linkage plate.

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.

Referring to fig. 1-4, a piston rod polishing clamp, including chuck body 1, chuck body 1's inside equidistance block has jack catch 2, and the upside of jack catch 2 all distributes and has connecting plate 3, connecting plate 3's longitudinal section sets up to the U type structure, and connecting plate 3's side symmetry is connected with fixed block 4, the inside of fixed block 4 has all been inserted and has been inserted pole 5, and insert the upside of pole 5 and be connected through linkage board 16, the downside of inserting pole 5 is connected with movable plate 6, and the below of movable plate 6 is equipped with butt joint piece 7, the draw-in groove with butt joint piece 7 looks adaptation has evenly been seted up to chuck body 1's upside.

Further, referring to fig. 2 and 3, it can be known that the side edge of the connecting plate 3 is connected with the mounting plate 10, and the inside of the mounting plate 10 is connected with the claw 2 through bolts, when in use, the butt joint and separation of the connecting plate 3 and the claw 2 can be realized through the mutual cooperation of the mounting plate 10 and the bolts, so that the connecting plate 3 is taken down integrally by a worker, and the claw 2 is maintained by the worker conveniently.

Further, referring to fig. 2 and 3, it can be known that the cylinder 9 is vertically connected to the center position of the upper side of the mounting plate 10, and the mounting block 8 is connected to the upper side of the cylinder 9, and the side edge of the mounting block 8 is connected to the linkage plate 16, so that the linkage plate 16 can be driven to automatically slide up and down through the cooperation of the cylinder 9 and the mounting block 8 during use, without manual operation of a worker, and convenience of the worker during use can be effectively improved.

Further, referring to fig. 3 and 4, it can be known that a sliding block 12 is connected to a side of the moving plate 6, which is close to the connecting plate 3, a sliding groove 13 adapted to the sliding block 12 is formed in the connecting plate 3, and an inner wall of the sliding groove 13 contacts with an outer surface of the sliding block 12, when the linkage plate 16 moves, the sliding block 12 connected to an outer side of the moving plate 6 can be driven to slide along the inner wall of the sliding groove 13, so as to guide the inserting rod 5, and prevent the inserting rod 5 from shifting in the running process.

Further, referring to fig. 4, it can be known that the threaded rod 14 is connected to the upper side of the butt joint block 7, the moving plate 6 is provided with a thread groove adapted to the threaded rod 14, and when the butt joint block 7 is damaged, a worker can take down the butt joint block 7 for replacement through the mutual cooperation of the threaded rod 14 and the thread groove.

Further, referring to fig. 2 and 3, it can be known that the upper side of the fixed block 4 is connected with a connecting spring 11, and the upper end of the connecting spring 11 is connected with the moving plate 6, the connecting spring 11 is movably sleeved at the upper side position of the inserting rod 5, and when in use, the impact force generated when the air cylinder 9 is started can be buffered through the arrangement of the connecting spring 11, so that the stability of the device in the running process is further ensured.

Further, referring to fig. 3 and 4, it can be known that the top end of the butt joint block 7 is connected with the contact plate 15, and the contact plate 15 is distributed in an annular array structure, when in use, the friction force between the hands of the worker and the butt joint block 7 can be improved through the contact plate 15 arranged in the annular structure, so that the worker can rotate the butt joint block 7 conveniently, and the disassembly work of the butt joint block 7 can be completed conveniently.

Working principle: when the chuck is used, a worker can firstly install the chuck body 1 at a proper position of a polishing machine, when the piston rod is required to be clamped, the worker can drive the three groups of air cylinders 9 to work simultaneously, so that the whole of the three groups of linkage plates 16 is lifted, namely, the inserting rod 5 can slide along the inner wall of the fixed block 4 under the stress to withdraw the butt joint block 7 from the clamping groove in the chuck body 1, then the worker can tightly screw the fixing screw on the chuck body 1, so that the three groups of clamping jaws 2 are mutually close to each other, the clamping of one end of the piston rod is realized, after the clamping is finished, the worker can drive the whole of the linkage plates 16 to move downwards through the work of the air cylinders 9, so that the butt joint block 7 arranged on the lower side of the movable plate 6 is clamped in the corresponding clamping groove in the inner part of the chuck body 1, the limit of the clamping jaws 2 is realized, and the sliding block 12 connected with the outer side of the movable plate 6 can slide along the inner wall of the sliding groove 13 under the stress in the process of the downward movement of the inserting rod 5, so that the stability in the moving process of the butt joint block 7 can be effectively ensured.

In the utility model, the installation mode, the connection mode or the setting mode of all the components are common mechanical modes, and the specific structure, the model and the coefficient index of all the components are self-contained technologies, so long as the beneficial effects can be achieved, the implementation can be carried out, and redundant description is omitted.

The above examples are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present utility model should be made in the equivalent manner, and the embodiments are included in the protection scope of the present utility model.

In the present utility model, unless otherwise indicated, the terms "about" and "front and back," inner and outer, and vertical levels, "etc., used herein are merely intended to refer to the orientation of the term in conventional use, or are colloquially known to those skilled in the art, and should not be construed as limiting the term, while the terms" first, "second," and "third," etc., do not denote a particular number or order, but are merely intended to be used in distinguishing between the terms, and 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 also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a piston rod polishing clamp, includes chuck body (1), its characterized in that, the inside equidistance block of chuck body (1) has jack catch (2), and the upside of jack catch (2) all distributes and has connecting plate (3), the longitudinal section of connecting plate (3) sets up to U type structure, and the side symmetry of connecting plate (3) is connected with fixed block (4), the inside of fixed block (4) is all inserted and is equipped with and inserts establishes pole (5), and inserts the upside of establishing pole (5) and be connected through linkage board (16), the downside of establishing pole (5) is connected with movable plate (6), and the below of movable plate (6) is equipped with joint piece (7), the draw-in groove with the adaptation of butt joint piece (7) has evenly been seted up to the upside of chuck body (1).

2. A piston rod burnishing jig according to claim 1, characterized in that the side edge of the connecting plate (3) is connected with a mounting plate (10), and the inside of the mounting plate (10) is connected with the claw (2) by means of bolts.

3. A piston rod polishing clamp according to claim 2, characterized in that a cylinder (9) is vertically connected to the upper side of the mounting plate (10) at the center, and the upper side of the cylinder (9) is connected with a mounting block (8), and the side edge of the mounting block (8) is connected with a linkage plate (16).

4. The piston rod polishing clamp according to claim 1, wherein a sliding block (12) is connected to one side of the moving plate (6) close to the connecting plate (3), a sliding groove (13) matched with the sliding block (12) is formed in the connecting plate (3), and the inner wall of the sliding groove (13) is in contact with the outer surface of the sliding block (12).

5. The piston rod polishing clamp according to claim 1, wherein a threaded rod (14) is connected to the upper side of the butt joint block (7), and a thread groove matched with the threaded rod (14) is formed in the moving plate (6).

6. The piston rod polishing clamp according to claim 1, wherein a connecting spring (11) is connected to the upper side of the fixed block (4), the upper end of the connecting spring (11) is connected to the moving plate (6), and the connecting spring (11) is movably sleeved at the upper side of the inserting rod (5).

7. A piston rod polishing clamp according to claim 1, characterized in that the top end of the butt joint block (7) is connected with a contact plate (15), and the contact plates (15) are distributed in an annular array structure.