CN220312606U - Clamping type clamp structure - Google Patents

Abstract

The utility model discloses a clamping fixture structure, which comprises a base, wherein the clamping structure is arranged on the base and comprises two hollow supports which are arranged in parallel, a clamping cylinder is fixed on the bottom surface of the base, a movable supporting plate is fixed on a piston shaft of the clamping cylinder, two connecting mandrels which respectively penetrate through the hollow supports are fixed on the movable supporting plate, a pressing sleeve is sleeved at the top of the connecting mandrel, a pressing plate is arranged on the pressing sleeve, a buffer pressure spring is arranged between the pressing sleeve and the hollow supports, a limit supporting rod is arranged on the top surface of the base, a V-shaped supporting elastic sheet is fixed at the top of the limit supporting rod through a screw rod, and a strip-shaped groove with the same diameter as the connecting mandrel is arranged in the middle of the V-shaped supporting elastic sheet. The clamping device is reasonable in structural arrangement, the pressing plate can be effectively abutted to the middle of the inner wall of the hole of the workpiece when being clamped downwards, the workpiece is effectively prevented from being shifted, the clamping stability and reliability are ensured, the service life of the clamping device is prolonged, and the clamping device is high in applicability and good in practicability.

Description

Clamping type clamp structure

Technical Field

The utility model belongs to the technical field of motorcycle cylinder body processing, and particularly relates to a clamping type clamp structure.

Background

In order to ensure the processing precision and the processing efficiency of a motorcycle cylinder body, a clamp structure is generally provided, a hydraulic clamp for a machine of an air pressure wedge cylinder body and a method for processing the wedge cylinder body are disclosed in China patent CN202110378995.5, which mainly comprises a bottom plate, a disc positioning seat fixed on the bottom plate, a hydraulic clamp, four hinge structures and a pressing clamp on the disc positioning seat, wherein the hinge structures are mainly connected through a pin shaft or a connecting shaft, and the like, although the hinge structures can meet the general use requirements, in the practical application process, the hinge structures are connected through the pin shaft and the connecting shaft, and the hinge structures can cause larger abrasion due to frequent rotation during long-time use, thereby affecting the use stability, and the clamping range of the hinge structures is also limited, so that the workpiece is easy to shift in the clamping process, and the applicability and the practicability are limited.

Disclosure of Invention

The utility model aims to provide a clamping type clamp structure which is reasonable in structural arrangement and beneficial to improving clamping stability.

The clamping structure comprises a base, two hollow supports arranged in parallel, a clamping cylinder is fixed on the bottom surface of the base, a movable supporting plate is fixed on a piston shaft of the clamping cylinder, two connecting mandrels penetrating through the hollow supports respectively are fixed on the movable supporting plate, a pressing sleeve is sleeved on the top of the connecting mandrel, a pressing plate is arranged on the pressing sleeve, the top of the pressing plate is fixed on the connecting mandrel through a screw rod, a buffer pressure spring is arranged between the pressing sleeve and the hollow supports, a limit supporting rod is arranged on the top surface of the base, the limit supporting rod is positioned on the central line of the two hollow supports, a V-shaped supporting spring piece is fixed on the top of the limit supporting rod through a screw rod, a strip-shaped groove with the same diameter as the connecting mandrel is arranged in the middle of the V-shaped supporting spring piece, the V-shaped supporting piece is positioned between the buffer pressure spring and the pressing sleeve, the connecting mandrel is driven by the pressing sleeve to downwards clamp, and the pressing sleeve drives the supporting spring to downwards move to enable the supporting spring to be in the outer side of the workpiece to be abutted against the inner wall of the workpiece.

The height of the hollow support is the same as that of the limit support rod.

The outer side end of the V-shaped abutting elastic piece is an arc edge, and the arc of the arc edge abuts against the inner wall of the workpiece.

The V-shaped abutting elastic sheet is a metal sheet body with the thickness of 1-2 mm.

The outer diameters of the hollow support and the pressing sleeve are the same and are larger than the diameter of the connecting mandrel and the width of the strip-shaped groove.

The utility model has the positive effects that: the clamping device is reasonable in structural arrangement, the movable supporting plate is fixed on the piston shaft of the clamping cylinder, the two connecting mandrels are fixed on the movable supporting plate, meanwhile, the hollow support is arranged on the base and matched with the pressing sleeve and the pressing plate which are positioned at the top of the connecting mandrels, the workpiece can be clamped through the pressing plate and the base, meanwhile, the limiting support rod and the top abutting spring are also arranged, the workpiece is effectively abutted to the middle part of the inner wall of the hole of the workpiece when the pressing plate is pressed downwards, the workpiece can be effectively prevented from being shifted, the clamping stability and reliability are ensured, meanwhile, corresponding abrasion is avoided when the workpiece is clamped for a long time, the service life of the workpiece is prolonged, and the clamping device is high in applicability and good in practicability.

Drawings

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments that are illustrated in the appended drawings, in which:

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

FIG. 2 is a schematic view of a V-shaped positioning spring plate according to the present utility model;

fig. 3 is a schematic view of the structure of the medium pressure jacket of the present utility model.

Reference numerals: base 1, clamping structure 2, cavity support 21, centre gripping cylinder 22, movable support plate 23, connection dabber 24, press cover 25, clamp plate 26, buffering pressure spring 27, spacing branch 3, V-arrangement support position shell fragment 4, bar groove 5, arc limit 6.

Detailed Description

Example 1

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.

See the fig. 1-3 show, a screens formula anchor clamps structure, including base 1, set up the last clamp structure 2 of base, clamp structure 2 includes two hollow supports 21 that parallel arrangement mutually, in this embodiment, in practical application in-process, the distance between two hollow supports is less than the hole site on the work piece, and when the centre gripping work piece promptly, two hollow supports all are in the logical position of work piece, set up the bottom surface at the base and be fixed with a centre gripping cylinder 22, be fixed with movable support plate 23 on the piston shaft of centre gripping air cylinder, be fixed with two connection dabbers 24 that pass hollow supports respectively on the movable support plate, the top cover of connecting the dabbers is equipped with the pressure cover 25, be provided with clamp plate 26 on the pressure cover, the top of clamp plate is fixed on connecting the dabbers through the screw rod, the pressure cover with be provided with buffering pressure spring 27 between the hollow supports, in this embodiment, its clamp plate can avoid when centre gripping with connecting the dabbers, can reduce the friction between clamp plate and the connection dabber, can guarantee the stability of connection.

The top surface of base is provided with spacing branch 3, in this embodiment, the height of cavity support is the same with spacing branch. The spacing branch is in the central line of two cavity supports, the top of spacing branch is fixed with V-arrangement through the screw rod and supports position shell fragment 4, in this embodiment, V-arrangement supports position shell fragment and is 1-2 mm's metal lamellar body. The vertex of its V-arrangement is supported position shell fragment and is fixed at the top of spacing branch through the screw rod to both ends can be connected respectively at two connection dabbers to press the in-process, make the both ends of V-arrangement support position shell fragment all support down and press at the through-hole inner wall middle part of work piece, prevent that the work piece from shifting, V-arrangement supports position shell fragment middle part be provided with connect dabber diameter the same bar groove 5, and V-arrangement supports position shell fragment and is in between buffering pressure spring and the pressure cover, in actual press operation process, connect dabber drive pressure cover and press from both sides down, the pressure cover drives to support position spring and moves down and make outside end butt on the work piece inner wall.

In order to reduce the influence of the V-shaped abutting elastic piece on the inner wall of the through hole of the workpiece, the outer side end of the V-shaped abutting elastic piece is provided with an arc-shaped edge 6, and the arc of the arc-shaped edge abuts against the inner wall of the workpiece.

The outer diameters of the hollow support and the pressing sleeve are the same and are larger than the diameter of the connecting mandrel and the width of the strip-shaped groove.

The clamping device is reasonable in structural arrangement, the movable supporting plate is fixed on the piston shaft of the clamping cylinder, the two connecting mandrels are fixed on the movable supporting plate, meanwhile, the hollow support is arranged on the base and matched with the pressing sleeve and the pressing plate which are positioned at the top of the connecting mandrels, the workpiece can be clamped through the pressing plate and the base, meanwhile, the limiting support rod and the top abutting spring are also arranged, the workpiece is effectively abutted to the middle part of the inner wall of the hole of the workpiece when the pressing plate is pressed downwards, the workpiece can be effectively prevented from being shifted, the clamping stability and reliability are ensured, meanwhile, corresponding abrasion is avoided when the workpiece is clamped for a long time, the service life of the workpiece is prolonged, and the clamping device is high in applicability and good in practicability.

The standard components used in this embodiment may be purchased directly from the market, but the nonstandard structural components described in the specification may also be obtained directly by unambiguous processing according to the common general knowledge in the prior art, and meanwhile, the connection manner of each component adopts the conventional means mature in the prior art, and the machinery, the components and the equipment all adopt the conventional types in the prior art, so that no specific description will be made here.

It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While those obvious variations or modifications which come within the spirit of the utility model remain within the scope of the utility model.

Claims (5)

1. The utility model provides a screens formula anchor clamps structure, includes the base, sets up the clamping structure on the base, its characterized in that: the clamping structure comprises two hollow supports which are arranged in parallel, a clamping cylinder is fixed on the bottom surface of the base, a movable supporting plate is fixed on a piston shaft of the clamping cylinder, two connecting mandrels which respectively penetrate through the hollow supports are fixed on the movable supporting plate, a pressing sleeve is sleeved on the top of the connecting mandrels, a pressing plate is arranged on the pressing sleeve, the top of the pressing plate is fixed on the connecting mandrels through screws, a buffering pressure spring is arranged between the pressing sleeve and the hollow supports, a limiting support rod is arranged on the central line of the two hollow supports, a V-shaped supporting elastic piece is fixed on the top of the limiting support rod through screws, a strip-shaped groove with the same diameter as the connecting mandrels is arranged in the middle of the V-shaped supporting elastic piece, the V-shaped supporting elastic piece is positioned between the buffering pressure spring and the pressing sleeve, the connecting mandrels drive the pressing sleeve to clamp downwards, and the pressing sleeve drives the supporting spring to move downwards so that the outer side end abuts against the inner wall of a workpiece.

2. The clip structure of claim 1, wherein: the height of the hollow support is the same as that of the limit support rod.

3. The clip structure of claim 2, wherein: the outer side end of the V-shaped abutting elastic piece is an arc edge, and the arc of the arc edge abuts against the inner wall of the workpiece.

4. A clip structure according to claim 3, wherein: the V-shaped abutting elastic sheet is a metal sheet body with the thickness of 1-2 mm.

5. The clip structure of claim 4, wherein: the outer diameters of the hollow support and the pressing sleeve are the same and are larger than the diameter of the connecting mandrel and the width of the strip-shaped groove.