CN220680011U - Oil pressure center frame - Google Patents

Abstract

The utility model discloses an oil pressure center frame, and belongs to the technical field of auxiliary tools for part machining. The protective steel sheet is arranged on the rectangular guide rail, and at least one part of the first sliding plate or the second sliding plate is arched outwards, so that the protective steel sheet can at least penetrate through the part of the first sliding plate or the part of the second sliding plate, which is arched outwards. The utility model uses the arched part to connect so as to facilitate the passing of the protection steel sheet, the penetrating design ensures that the expansion proportion of the protection steel sheet is not limited, and the space is better utilized to maximize the travel, so that the oil pressure center frame has the advantage of long service life.

Description

Oil pressure center frame

Technical Field

The utility model belongs to the technical field of accessory machining tools, and particularly relates to an oil pressure center frame.

Background

The center frame is mainly used for supporting parts when long shaft parts or ball parts are machined, and preventing the parts from being deformed under stress during machining. The clamping jaw of the center frame is used for clamping the part, so that the part is fixed, and the part is convenient to process.

The oil pressure center frame adopts oil motor drive, and conventional oil pressure center frame includes two slide, and two slide setting are on rectangular guide rail, and through the positive and negative tooth lead screw transmission of a wears to establish rectangular guide rail, and two slide motion opposite direction realizes pressing from both sides tight relaxation to the work piece on rectangular guide rail.

Because the front and back tooth screw rods lack a protective structure, the oil pressure center frame is easy to break down under long-time working. On one hand, the rectangular guide rail is required to be compact in structure, high in stress, high in rigidity and difficult to process; on the other hand, it is relatively conventional in the prior art to provide a protective cover on the outer periphery of the positive and negative screw rod. The existing protective cover comprises an organ type protective cover, an organ armor type protective cover and a telescopic protective cover. The organ type protective cover has larger expansion proportion, is not suitable for being used in a flat puff, clamps garbage such as iron scraps, influences the expansion ratio and causes damage for a long time; the organ armor type protective cover and the telescopic protective cover have small telescopic proportion, and the installation space is not allowed.

Disclosure of Invention

Aiming at least part of the problems in the prior art, the utility model provides an oil pressure center frame.

In order to solve the problems, the utility model adopts the following technical scheme.

The oil pressure center frame comprises a first sliding plate, a second sliding plate and a screw rod which is connected with and drives the first sliding plate and the second sliding plate to move on a rectangular guide rail, wherein a protection steel sheet is arranged on the rectangular guide rail, and at least one part of the first sliding plate or the second sliding plate is outwards arched, so that the protection steel sheet can at least penetrate through the outwards arched part of the first sliding plate or the second sliding plate.

In one embodiment, the first slide plate and the second slide plate are identical in structure;

the central lines of the first sliding plate and the second sliding plate are positioned on the same horizontal line;

the first sliding plate and the second sliding plate move on the rectangular guide rail in opposite directions.

In one embodiment, a central portion of the first or second slide is arched outwardly.

In one embodiment, the first slide plate or the second slide plate is formed by combining an arched upper plate and an arched lower plate;

the upper plate and the lower plate arch in opposite directions.

In one embodiment, the upper and lower plates each comprise:

a planar connection portion;

an arch portion protruding upward or downward with respect to the connection portion;

the connecting parts are positioned at two sides of the arch part and are integrally formed with the arch part;

the connecting part is provided with a plurality of screw holes.

Compared with the prior art, the oil pressure center frame has the following technical advantages:

(1) According to the utility model, the protection steel sheet is arranged on the rectangular guide rail, at least one part of the first sliding plate or the second sliding plate is outwards arched, so that the protection steel sheet can at least penetrate through the outwards arched part of the first sliding plate or the second sliding plate, and the arched part is used for connection, so that the protection steel sheet can conveniently penetrate through, the expansion and contraction proportion of the protection steel sheet is not limited, the travel is maximized by using the space better, and the oil pressure center frame has the advantage of long service life;

(2) The sliding plate is divided into an upper part and a lower part, and a certain space is kept after the sliding plate is combined into a whole, so that the screw rod is not separated by the protective steel sheet, and meanwhile, the sliding plate is simple and convenient to install and assemble, reasonable in design and easy to manufacture.

Drawings

FIG. 1 is a schematic diagram of an oil pressure center frame according to one embodiment of the present utility model;

FIG. 2 is a schematic view of a first skateboard according to one embodiment of the present utility model;

FIG. 3 is a schematic view of a lower plate structure according to one embodiment of the present utility model;

in the figure: 1. a first slide plate; 11. an upper plate; 12. a lower plate; 121. a connection part; 122. an arch portion; 2. a second slide plate; 3. a rectangular guide rail; 4. a screw rod; 5. and (5) protecting the steel sheet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which embodiments of the utility model are shown, it being evident that the embodiments described are only some, but not all, of the 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, are intended to fall within the scope of the present utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When a flow channel is considered to be "in communication with" another flow channel, it may be in direct communication with the other flow channel or there may be an intervening flow channel present at the same time.

Unless defined otherwise, 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 utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without collision.

Referring to fig. 1 to 3, fig. 1 is a schematic diagram of an oil pressure center frame according to an embodiment of the present utility model; fig. 2 is a schematic structural view of a first skateboard 1 according to one embodiment of the present utility model; fig. 3 is a schematic view of the structure of the lower plate 12 according to one embodiment of the present utility model.

As shown in fig. 1 to 3, a specific embodiment of the present application provides an oil pressure center frame including a first slide plate 1, a second slide plate 2, and a screw 4 connecting and driving the first slide plate 1 and the second slide plate 2 to move on a rectangular guide rail 3.

The first sliding plate 1 and the second sliding plate 2 have the same structure; the central lines of the first sliding plate 1 and the second sliding plate 2 are positioned on the same horizontal line; the first sliding plate 1 and the second sliding plate 2 move on the rectangular guide rail 3 in opposite directions, so that workpiece clamping and loosening are realized.

The rectangular guide rail 3 is provided with a protection steel sheet 5. In a preferred embodiment, the protective steel sheet 5 can be arranged along the track of the first slide plate 1 and the second slide plate 2 on the rectangular guide rail 3, so that the center frame is totally enclosed. In order to ensure that the protection steel sheet 5 is flush with the inner side surface of the rectangular guide rail 3, the protection steel sheet 5 is made of stainless steel 304, the hardness is 40HRC, and the thickness is preferably 0.4 mm.

The first slide plate 1 or the second slide plate 2 is at least partially arched outwards, so that the protective steel sheet 5 can pass through at least the arched part of the first slide plate 1 or the second slide plate 2.

Through set up protection steel sheet 5 on lead screw 4 to make first slide 1 or the outside arch of second slide 2 part, the lead screw 4 is provided with the part of protection steel sheet 5 and passes first slide 1 or the outside arch of second slide 2, utilizes arch 122 part to connect, in order to make things convenient for protection steel sheet 5 to pass, and this kind of through design makes protection steel sheet 5 flexible proportion unrestricted, better utilizes the space to maximize the stroke, makes oil pressure center frame have long service life's advantage.

In one embodiment, the central portion of the first slide plate 1 or the second slide plate 2 is arched outward to improve the stability of the oil pressure center frame structure.

In one embodiment, the first sliding plate 1 or the second sliding plate 2 is formed by combining an arched upper plate 11 and an arched lower plate 12;

the upper plate 11 and the lower plate 12 arch in opposite directions. So, the upper plate 11 and the lower plate 12 with opposite arching directions are combined into a whole, so that the first sliding plate 1 or the second sliding plate 2 can form an arch part, the screw rod 4 is not separated by the protection steel sheet 5, and meanwhile, the sliding plate is simple and convenient to install and assemble, reasonable in design and easy to manufacture.

In one embodiment, the upper plate 11 and the lower plate 12 each include a planar connection portion 121 and an arch portion 122, wherein the arch portion 122 protrudes upward or downward with respect to the connection portion 121; the connecting parts 121 are positioned at two sides of the arched parts 122 and are integrally formed with the arched parts 122, and the connecting parts 121 are provided with a plurality of screw holes; by the design, the structural strength of the oil pressure center frame is improved, and meanwhile, the center frame is convenient to assemble.

In one embodiment, referring to fig. 3, a driving portion may be further disposed below the lower plate 12, and the driving portion is at least formed with a through hole through which the screw 4 passes, so that the first sliding plate 1 or the second sliding plate 2 can be driven by the screw 4 to move synchronously.

The examples of the present utility model are merely for describing the preferred embodiments of the present utility model, and are not intended to limit the spirit and scope of the present utility model, and those skilled in the art should make various changes and modifications to the technical solution of the present utility model without departing from the spirit of the present utility model.

Claims (5)

1. An oil pressure center frame, characterized in that: the device comprises a first sliding plate, a second sliding plate and a screw rod which is connected with and drives the first sliding plate and the second sliding plate to move on a rectangular guide rail; the rectangular guide rail is provided with a protection steel sheet, and at least part of the first sliding plate or the second sliding plate is outwards arched, so that the protection steel sheet can at least penetrate through the outwards arched part of the first sliding plate or the second sliding plate.

2. The oil pressure center frame according to claim 1, wherein: the first sliding plate and the second sliding plate have the same structure;

the central lines of the first sliding plate and the second sliding plate are positioned on the same horizontal line;

the first sliding plate and the second sliding plate move on the rectangular guide rail in opposite directions.

3. The oil pressure center frame according to claim 1, wherein: a central portion of the first or second slide is arched outwardly.

4. The oil pressure center frame according to claim 1, wherein: the first sliding plate or the second sliding plate is formed by combining an arched upper plate and an arched lower plate;

the upper plate and the lower plate arch in opposite directions.

5. The oil pressure center frame according to claim 4, wherein: the upper plate and the lower plate each include:

a planar connection portion;

an arch portion protruding upward or downward with respect to the connection portion;

the connecting parts are positioned at two sides of the arch part and are integrally formed with the arch part;

the connecting part is provided with a plurality of screw holes.