CN219131937U - Self-adaptive clamping device for polishing piston rod - Google Patents

Abstract

The utility model discloses a self-adaptive clamping device for polishing a piston rod, which comprises a workbench, wherein a fixing frame is fixed on one side of the workbench, a groove is formed in the other side of the workbench, a movable frame is connected in a sliding manner in the groove, two clamps are coaxially arranged on the fixing frame and the movable frame, and clamping surfaces of the two clamps are arranged oppositely.

Description

Self-adaptive clamping device for polishing piston rod

Technical Field

The utility model relates to the technical field of piston rod clamping devices, in particular to an adaptive clamping device for polishing a piston rod.

Background

The piston rod is a connecting part for supporting the piston to do work, and most of the piston rod is applied to a cylinder and cylinder motion executing part and is a motion part with frequent motion and high technical requirements, so that the piston rod is subjected to surface treatment such as polishing after being processed. When polishing the surface of the piston rod, the piston rod needs to be fixed by a clamping device.

At present, a clamping device for polishing a piston rod in the market has the advantages that one end of the clamping device is provided with a single openable clamping mechanism, the other end of the clamping device is matched with a baffle plate to fix the piston rod through a cylinder, the clamping device is widely applicable to processing piston rods with various sizes, however, the position of the piston rod is difficult to ensure the level during clamping, so that the contact pressure between a polishing wheel and the surface of the piston rod is uneven, and the polishing degree of the surface is inconsistent; meanwhile, the piston rod easily slides on the baffle plate during polishing operation, so that polishing quality is affected.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide the self-adaptive clamping device for polishing the piston rod, which can stably clamp and automatically calibrate the position of the piston rod.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a piston rod polishing is with self-adaptation clamping device, includes the workstation, one side of workstation is fixed with the mount, and the opposite side of workstation is seted up flutedly, sliding connection has the adjustable shelf in the recess, coaxial mounting has two anchor clamps on mount and the adjustable shelf, two the clamping face of anchor clamps sets up relatively, the mounting box opening of anchor clamps is towards the clamping face of anchor clamps, and installs the apron, four spout has been seted up to the symmetry on the apron, four correspond in the spout and be fixed with the slide rail, the motor is installed to the bottom of mounting box, the motor sets up on the central point of mounting box bottom, be connected with the threaded rod on the output shaft of motor, threaded rod and apron swivelling joint, threaded rod is last threaded connection has the internal thread bush, symmetrical swivelling joint has four push rods on the outer lane of internal thread bush, the other end of every push rod all swivelling joint has a sliding sleeve, four the sliding sleeve corresponds sliding connection with four slide rails and spout respectively, the terminal surface that deviates from mounting box one side and the terminal surface of apron side, be provided with the parallel and level on the sliding sleeve.

The utility model is further provided with: a rubber pad is arranged on the clamping surface of the clamping plate, and the clamping surface of the rubber pad is arc-shaped.

The utility model has the advantages that: the clamps drive the corresponding clamping plates to move in the preset sliding grooves through controlling the four push rods which are symmetrically arranged, and the piston rods are clamped by the four clamping plates which move in the middle, so that the piston rods with different sizes can be directly clamped, and the piston rods are jointly fixed by adopting the two coaxially arranged clamps, so that the positions of the piston rods can be automatically calibrated to be horizontal when the piston rods are clamped, and manual adjustment is not needed; meanwhile, the two ends of the polishing device are provided with the openable clamps, so that the stability of clamping of the piston rod is guaranteed, and the polishing quality is improved.

Drawings

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

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic view of a clamp structure according to the present utility model;

FIG. 4 is a front view of the device shown in FIG. 3;

FIG. 5 is an enlarged view of portion B shown in FIG. 2;

in the figure: 1. a work table; 2. a groove; 3. a fixing frame; 4. a movable frame; 5. a clamp; 6. a motor; 7. a threaded rod; 8. an internal thread sleeve; 9. a push rod; 10. a slide rail; 11. a sliding sleeve; 12. a clamping plate; 13. a rubber pad; 14. a mounting box; 15. a cover plate; 16. and a sliding groove.

Detailed Description

It should be noted that, without conflict, the embodiments and features of the embodiments in the present application may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.

Referring to fig. 1-5, the present utility model provides the following technical solutions:

the self-adaptive clamping device for polishing the piston rod comprises a workbench 1, wherein a fixing frame 3 is arranged on the left side of the workbench 1, a groove 2 is formed on the right side of the workbench 1, a movable frame 4 is connected in a sliding manner in the groove 2, two clamps 5 are coaxially arranged on the fixing frame 3 and the movable frame 4, and clamping surfaces of the two clamps 5 are oppositely arranged; the clamp 5 on one side is fixed on the workbench 1, and the clamp 5 on the other side can slide in the groove 2 so as to adjust the distance between the two clamps 5 to adapt to piston rods with different lengths; the two clamps 5 are coaxially and symmetrically arranged, so that the clamping effects at the two ends of the piston rod are the same, sliding cannot occur in the polishing process, and the clamping stability is ensured.

The fixture 5 comprises a mounting box 14, an opening of the mounting box 14 faces a clamping surface of the fixture 5, a cover plate 15 is mounted at the opening end of the mounting box 14, a motor 6 is mounted at the middle position of the bottom of the mounting box 14, a threaded rod 7 is connected to an output shaft of the motor 6, the threaded rod 7 vertically points to the cover plate 15 and is rotationally connected with the cover plate 15, an inner thread sleeve 8 is in threaded connection with the threaded rod 7, four push rods 9 are symmetrically rotationally connected to the outer ring of the inner thread sleeve 8, sliding sleeves 11 are rotationally connected to the other ends of the four push rods 9, and one side end face of the sliding sleeve 11, deviating from the mounting box 14, is flush with one side end face of the cover plate 15, deviating from the mounting box 14; four sliding grooves 16 are symmetrically formed in the cover plate 15, a sliding rail 10 is respectively fixed in each sliding groove 16, and each sliding rail 10 and the corresponding sliding groove 16 are connected with a sliding sleeve 11 in a sliding manner; the end face of one side of the clamping surface of the sliding sleeve 11 is provided with a clamping plate 12, a rubber pad 13 is fixed on the clamping surface of the clamping plate 12, and the clamping surface of the rubber pad 13 is arc-shaped; the motor 6 is controlled to rotate the threaded rod 7, and the internal thread sleeve 8 can be driven to move along the threaded rod 7, so that the push rod 9 pushes the sliding sleeve 11 to slide in the radial direction of the cover plate 15, clamping or loosening is realized, and the device can be suitable for piston rods with different sizes; the two opposite clamps 5 clamp the piston rod simultaneously, so that the axial center position of the piston rod is fixed, namely, the machining position of the piston rod is automatically calibrated, manual adjustment is not needed, the operation is simple, and the polishing quality is improved.

Specifically, the clamps 5 control the four push rods 9 which are symmetrically arranged to drive the corresponding clamping plates 12 to move in the preset sliding grooves 16, the four clamping plates 12 which move inwards clamp the piston rods together, so that the piston rods with different sizes can be directly clamped, and the two coaxially arranged clamps 5 are adopted to jointly fix the piston rods, so that the positions of the piston rods can be automatically calibrated to be horizontal when the piston rods are clamped, and manual adjustment is not needed; meanwhile, the two ends of the polishing device are provided with the openable clamp 5, so that the stability of clamping of the piston rod is guaranteed, and the polishing quality is improved.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (2)

1. Self-adaptation clamping device is used in piston rod polishing, including workstation (1), its characterized in that: the utility model discloses a push rod, including work bench (1), fixed frame (3), recess (2) have been seted up to one side of work bench (1), sliding connection has movable frame (4) in recess (2), coaxial mounting has two anchor clamps (5) on mount (3) and movable frame (4), two the grip face of anchor clamps (5) sets up relatively, install box (14) opening towards anchor clamps (5) grip face of anchor clamps (5) and install apron (15), four spouts (16) have been seted up to the symmetry on apron (15), four correspond in spout (16) and be fixed with slide rail (10), motor (6) are installed to the bottom of install box (14), motor (6) set up on the central point of install box (14) bottom, be connected with on the output shaft of motor (6) threaded rod (7) and apron (15) rotate to be connected, threaded connection has interior thread bush (8) on threaded rod (7), four spouts (8) are connected with four push rod (9) and four slide rail (11) are connected with four slide rail (11) respectively in the symmetry, the end face of one side of the sliding sleeve (11) deviating from the mounting box (14) is flush with the end face of the corresponding side of the cover plate (15), and the sliding sleeve (11) is provided with a clamping plate (12).

2. The adaptive clamping device for piston rod polishing as set forth in claim 1, wherein: a rubber pad (13) is arranged on the clamping surface of the clamping plate (12), and the clamping surface of the rubber pad (13) is arc-shaped.

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