CN209303734U

CN209303734U - Turning clamp

Info

Publication number: CN209303734U
Application number: CN201822119270.0U
Authority: CN
Inventors: 齐刚
Original assignee: Shandong Pharmaceutical Glass Co Ltd
Current assignee: Shandong Pharmaceutical Glass Co Ltd
Priority date: 2018-12-18
Filing date: 2018-12-18
Publication date: 2019-08-27
Anticipated expiration: 2028-12-18

Abstract

The utility model discloses a kind of turning clamps, belong to vehicle blank field, wherein including bed end fixture and head end fixture, axis is overlapped when the bed end fixture and head end fixture are included in assembly clamp body, locating piece and hold-down bolt；Clamp body is the rounded cylindrical body in side, and clamp body side, which is equipped with, is used for fixing groove of the clamping on lathe, and the locating piece is fixed on the clamp body other side by hold-down bolt, and the bed end fixture and head end fixture are coaxially set.The blank processed using the utility model, with small, the high in machining efficiency feature of roundness deviation.

Description

Turning clamp

Technical field

The utility model patent is related to lathe process field, and in particular to a kind of turning clamp.

Background technique

Lathe process is a part of machining, and there are mainly two types of form processings: one is lathe tool is fixed, processing is revolved Unfashioned workpiece in turning；Another kind is to fix workpiece, by the high speed rotation of workpiece, lathe tool (knife rest) it is horizontal and vertical It is mobile to carry out precision processing.When three-jaw self-centering chuck clamps workpiece on lathe, there are enough radial directions to support hair to be processed When base, radial clamping force can make blank to be processed generate very big radial deformation, at this time the roundness deformation amount of blank to be processed Considerably beyond the circularity requirement of drawing.Cause blank to be processed because turnery processing outer surface circularity is poor, generates heat treatment procedure Deformation it is also bigger, the waste product of generation is also more, if increase grind machining allowance if production efficiency again it is extremely low.

Utility model content

In view of the deficiencies of the prior art, the purpose of the utility model patent is to provide a kind of turning clamp, has circularity inclined Small, the high in machining efficiency feature of difference.

To solve the above problems, the technical solution adopted in the utility model are as follows: provide a kind of turning clamp, feature exists In, including bed end fixture and head end fixture, axis weight when the bed end fixture and head end fixture are included in assembly Clamp body, locating piece and the hold-down bolt of conjunction；Clamp body is the rounded cylindrical body in side, and clamp body side, which is equipped with, is used for clamping Fixing groove on lathe, the locating piece are fixed on the clamp body other side, the bed end fixture and bed by hold-down bolt Head end fixture is coaxially set.

Preferably, the head end fixture is with 4 M14 bolt clampings on the main shaft of lathe, and the bed end fixture is with 4 A M14 bolt clamping is on the tailstock of lathe.

Preferably, head end fixture fixing groove side is equipped with the bearing (5) connecting with lathe.

Preferably, the lathe is CD6140 lathe.

The utility model the utility model has the advantages that

Axial force is changed to the clamping force of radial direction by the utility model, and clamping force is not centered on some point of workpiece, Make its distribution over a larger area, so that pressure suffered on workpiece unit area is smaller, to reduce its deformation, solves The defect easily-deformable in the turnery processing of blank outer surface, circularity is poor, processing efficiency is not high.

Detailed description of the invention

Fig. 1 is the utility model bed end fixture schematic diagram；

Fig. 2 is the utility model bed end fixture side view；

Fig. 3 is the utility model bed end fixture perspective view；

Fig. 4 is blank schematic diagram in the utility model embodiment 1；

Fig. 5 is combination diagram in the utility model embodiment 1；

In figure: 1, clamp body；2, locating piece；3, hold-down bolt；4, hold-down bolt；5, bearing；6, main shaft；7, blank.

Specific embodiment

Embodiment 1:

Referring to Figure of description, a kind of turning clamp described in the present embodiment, including bed end fixture and head end fixture, Such as Fig. 1 --- it is axis is overlapped when the bed end fixture and head end fixture are included in assembly clamp body 1, fixed shown in Fig. 3 Position block 2 and hold-down bolt 4；Clamp body 1 is the rounded cylindrical body in side, and 1 side of clamp body is equipped with for clamping in lathe Fixing groove, the locating piece 2 is fixed on 1 other side of clamp body by hold-down bolt 4, the bed end fixture and head end folder Tool is coaxially set.

For the head end fixture with 43 clampings of fixing bolt on the main shaft 6 of lathe, the bed end fixture is solid with 4 3 clamping of bolt is determined on the tailstock of lathe.

Head end fixture fixing groove side is equipped with the bearing 5 connecting with lathe.

In use, by head end fixture with 3 clamping of fixing bolt of 4 model M14 CD6140 lathe main shaft 6 On, with the fixing bolt 3 of 4 model M14 on CD6140 tailstock.During head end fixture and bed end fixture are adjusted The heart is adjusted to coaxial line, milling at the blank 7 in male-female face as shown in Figure 4, is fixed together with M14 bolt, then by two End be placed on bed end fixture and head end positioning block of clamp 2, then use M14 bolt presses, completion blank 7 clamping, such as Fig. 2 It is shown, then start the processing of vehicle pin.

Since blank 7 is that end face stress clamps, the clamping force of radial direction, clamping force are not centered on workpiece substantially On some point, make its distribution over a larger area, so that pressure suffered on workpiece unit area is smaller, to reduce its change Shape, thus the turning clamp device of the utility model solve in the turnery processing of blank outer surface it is easily-deformable, circularity is poor, processing effect The not high defect of rate.

The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in Other related technical areas are also included in the patent protection scope of the utility model.

Claims

1. a kind of turning clamp, which is characterized in that including bed end fixture and head end fixture, the bed end fixture and the head of a bed Clamp body (1), locating piece (2) and the hold-down bolt (4) that axis is overlapped when end fixture is included in assembly；Clamp body (1) is side The rounded cylindrical body in face, clamp body (1) side, which is equipped with, is used for fixing groove of the clamping on lathe, and the locating piece (2) passes through Hold-down bolt (4) is fixed on clamp body (1) other side, and the bed end fixture and head end fixture are coaxially set.

2. a kind of turning clamp according to claim 1, which is characterized in that 4 fixing bolts of the head end fixture (3) clamping is on the main shaft (6) of lathe, and the bed end fixture is with 4 fixing bolt (3) clampings on the tailstock of lathe.

3. a kind of turning clamp according to claim 1, which is characterized in that head end fixture fixing groove side is equipped with and vehicle The bearing (5) of bed connection.

4. a kind of turning clamp according to claim 1, which is characterized in that the lathe is CD6140 lathe.