CN203044942U

CN203044942U - Adjustable post-tensioning oil pressure chuck

Info

Publication number: CN203044942U
Application number: CN 201320022589
Authority: CN
Inventors: 高中服; 林健
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-01-16
Filing date: 2013-01-16
Publication date: 2013-07-10
Anticipated expiration: 2023-01-16

Abstract

The utility model relates to an adjustable post-tensioning oil pressure chuck which comprises a main shell body and a clamping arm. The clamping arm is arranged inside an inclined hole inside the main shell body 1, and the bottom portion of the clamping arm is connected with a tension mechanism through a connection rod. A radial guide groove is formed in the top portion of the clamping arm, a sliding block is arranged inside the radial guide groove, a connection screw hole is formed in the top portion of the sliding block, clamping teeth are arranged on two sides of the opening of the radial guide groove on the surface of the top portion of the clamping arm, a clamping block is fixedly connected with the sliding block through screws, and clamping teeth meshed with the clamping teeth on the surface of the top portion of the clamping arm are arranged on the bottom portion of the clamping block. The clamping arm of the adjustable post-tensioning oil pressure chuck is connected with the clamping block through the sliding block in a sliding mode, is located by adopting a clamping tooth meshing mode, and the adjustable post-tensioning oil pressure chuck has the advantages of being novel in structure, and convenient to adjust.

Description

Adjustable rear pull type oil pressure chuck

Technical field

The utility model relates to a kind of chuck, specifically is a kind of adjustable rear pull type oil pressure chuck.

Background technology

Existing chuck comprises main casing, the folder arm of force, shrouding, and the described folder arm of force is arranged in the inclined hole of main casing inside, and folder arm of force bottom is connected with the pulling force active module; The pulling force active module is connected with the main casing bottom by the shrouding that its lower end arranges, pulling force active module bottom is connected with pull bar by lock nut, fixedly there is the rest shoe fixed bit on the tension arm top, this structure chuck is at the workpiece of difformity size the time, the rest shoe fixed bit is adjusted inconvenience, and it is not too convenient to use.

The utility model content

The purpose of this utility model is to provide a kind of adjustable rear pull type oil pressure chuck, is slidingly connected by slide block between the folder arm of force and the fixture block, and adopts the mode of latch engagement to locate concrete structure novelty, characteristics easy to adjust.

For achieving the above object by the following technical solutions:

A kind of adjustable rear pull type oil pressure chuck comprises main casing and the folder arm of force, and the described folder arm of force is arranged in the inclined hole of main casing 1 inside, and folder arm of force bottom is connected with tensile machine by connecting rod; It is characterized in that: have the radially-directed groove at the top of the described folder arm of force, in the radially-directed groove, be provided with slide block, slider top is provided with the connection screw, both sides at the top surface radially-directed channel opening that presss from both sides the arm of force are provided with latch, have a fixture block to be connected by screw and slide block, the bottom of fixture block also is provided with the latch that is meshed with the latch that presss from both sides arm of force top surface.

The quantity of the described folder arm of force is at least two.

The utility model is provided with latch and gathering sill at the top of the folder arm of force, and fixture block and slide block are connected and mesh with latch, workpiece at different size, can unclamp the screw between fixture block and the slide block earlier, fixture block bottom latch is separated with the latch at folder arm of force top, and then adjust fixture block and slide block in position radially, and fastening get final product again, fixture block radial position adjustment is very convenient.

Description of drawings

Fig. 1 is internal structure schematic diagram of the present utility model;

Fig. 2 is the utility model side portion structure schematic diagram;

Fig. 3 is the structural representation of the utility model folder arm of force;

Fig. 4 is the structural representation of the utility model double fastener arm of force;

Fig. 5 is the structural representation of the utility model three folder arm of forces;

Fig. 6 is the structural representation of the utility model four folder arm of forces.

The specific embodiment

As Figure 1-3, a kind of adjustable rear pull type oil pressure chuck comprises main casing 1 and the folder arm of force 2, and the described folder arm of force 2 is arranged in the inclined hole of main casing 1 inside, and the folder arm of force 2 bottoms are connected with tensile machine by connecting rod 3; Have radially-directed groove 21 at the top of the described folder arm of force 2, in radially-directed groove 21, be provided with slide block 4, slide block 4 tops are provided with and connect screw 41, both sides at top surface radially-directed groove 21 openings that press from both sides the arm of force 2 are provided with latch 22, have a fixture block 5 to be connected by screw and slide block 4, the bottom of fixture block 5 also is provided with the latch that is meshed with the latch 22 that presss from both sides the arm of force 2 top surfaces.

Tensile machine moved down the folder arm of force 2 by pull bar 3 when the utility model used, the folder arm of force 2 arranges in the inclined hole of main casing, the folder arm of force 2 moves down the fixture block 5 at the geometrical clamp arm of force 2 tops is moved inward, owing to mesh by latch between fixture block 5 and the folder arm of force 2, thereby the folder arm of force can provide the thrust of clamping work pieces for fixture block.

Shown in Fig. 4-6, the quantity of pressing from both sides the arm of force 2 according to actual needs is generally 2-4, more also can adopt the more folder arm of force 2 as workpiece, to guarantee the reliability of clamping.

When the utility model is regulated fixture block, only need unclamp screw between fixture block and the slide block slightly, make fixture block bottom and the latch at folder arm of force top break away from mutually, this moment, fixture block and slide block were along radially-directed groove adjusting position radially, to adapt to the clamping demand of different size workpiece, the chuck of relative existing structure, adjustment mode of the present utility model is more convenient.

Claims

1. an adjustable rear pull type oil pressure chuck comprises main casing and the folder arm of force, and the described folder arm of force is arranged in the inner inclined hole of main casing (1), and folder arm of force bottom is connected with tensile machine by connecting rod; It is characterized in that: have the radially-directed groove at the top of the described folder arm of force, in the radially-directed groove, be provided with slide block, slider top is provided with the connection screw, both sides at the top surface radially-directed channel opening that presss from both sides the arm of force are provided with latch, have a fixture block to be connected by screw and slide block, the bottom of fixture block also is provided with the latch that is meshed with the latch that presss from both sides arm of force top surface.

2. a kind of adjustable rear pull type oil pressure chuck as claimed in claim 1, it is characterized in that: the quantity of the described folder arm of force is at least two.