CN211588660U

CN211588660U - Milling machine mills narrow groove anchor clamps

Info

Publication number: CN211588660U
Application number: CN201921776911.8U
Authority: CN
Inventors: 王亚峰; 李栋; 任小萍
Original assignee: Xian Aeronautical Polytechnic Institute
Current assignee: Xi'an Xinghang Aviation Technology Co ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-09-29
Anticipated expiration: 2029-10-22

Abstract

The utility model provides an adopted technical scheme is, a milling machine mills narrow groove anchor clamps, including the V type iron that is provided with V type groove, V type iron is fixed on milling machine table surface, still include the locating piece that sets up as an organic whole with milling machine table surface, an organic whole is connected with the clamp plate parallel with milling machine table surface on the locating piece, the extending direction that the clamp plate is located the top of V type iron and clamp plate is perpendicular with the extending direction in V type iron V type groove, it has seted up U type groove to extend along it on the clamp plate, U type inslot is provided with the bolt, the work piece main part has been placed in the V type groove of V type iron, be provided with the locating hole in the work piece main part. The utility model discloses a milling machine mills narrow groove anchor clamps has solved the low and high problem of rejection rate of machining efficiency who exists among the prior art.

Description

Milling machine mills narrow groove anchor clamps

Technical Field

The utility model belongs to the technical field of milling machine fixture, a milling machine mills narrow groove anchor clamps is related to.

Background

The common fixture of the common milling machine generally comprises a vice, a pressing plate, a dividing head, a rotary table and the like, the vice is generally adopted for directly clamping when a 2mm narrow groove is machined, but the vice is adopted for directly clamping and machining the 2mm narrow groove, the once cutting can not be completed, the reverse side re-clamping and cutting can be completed, but after the secondary clamping and cutting are completed, the secondary tool setting can be repeated after the secondary tool changing, the machining efficiency is low, and because the vice vibrates excessively in the cutting process, two grooves cut out before and after a cut-out workpiece are not coincident or the groove widening cut out is not in accordance with the size requirement, in the machining process, the outer diameter size error of the workpiece is caused by the level of an operator, the time for re-carrying out the secondary tool setting is increased when the size error occurs at each time by the dead jaw positioning of the vice, the.

The dividing head is adopted for clamping, the problem that the diameters of workpieces clamped by the vice are different and eccentric is solved, the machining quality is not influenced as long as the diameter of the workpiece at the center of the dividing head is accurately found, the phenomenon of cutter beating is serious, the machining cost is increased, 10 products cannot be machined to form one cutter, the rejection rate is reduced, the efficiency is low, and the cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a milling machine mills narrow groove anchor clamps has solved the low and high problem of rejection rate of machining efficiency who exists among the prior art.

The utility model provides an adopted technical scheme is, a milling machine mills narrow groove anchor clamps, including the V type iron that is provided with V type groove, V type iron is fixed on milling machine table surface, still include the locating piece that sets up as an organic whole with milling machine table surface, an organic whole is connected with the clamp plate parallel with milling machine table surface on the locating piece, the extending direction that the clamp plate is located the top of V type iron and clamp plate is perpendicular with the extending direction in V type iron V type groove, it has seted up U type groove to extend along it on the clamp plate, U type inslot is provided with the bolt, the work piece main part has been placed in the V type groove of V type iron, be provided with the locating hole in the work piece main part.

The utility model is also characterized in that,

and a positioning block a is arranged at one end of the V-shaped iron, which is positioned in the narrow groove of the workpiece main body, and the positioning block a is fixed on the surface of the milling machine workbench through a bolt and is used for limiting the axial movement of the workpiece main body.

And a positioning block c is further arranged at one end, away from the positioning block a, of the V-shaped iron, and the positioning block c and the positioning block a are jointly used for limiting axial movement in a V-shaped groove of the workpiece main body.

The positioning block c is detachably fixed on the surface of the milling machine workbench through a bolt.

The V-shaped iron is provided with a threaded hole and is fixed on the surface of the milling machine workbench through a T-shaped nut.

The bolt head of the bolt is arranged below the milling machine working table, the thread part of the bolt penetrates through the milling machine working table and then extends out of the U-shaped groove of the pressing plate, and the part of the bolt above the pressing plate is connected with the nut.

The left side and the right side of the V-shaped iron are symmetrically provided with positioning blocks b, and the positioning blocks b are fixed on the surface of the milling machine workbench.

The utility model has the advantages that: the utility model discloses regard as positioning element with V type iron, the operator only needs to find accurate V type iron center when the tool setting, need not secondary tool setting again, and machining efficiency is high, and improves greatly in the aspect of using V type iron cutter life (unclamping), work piece rejection rate greatly reduced.

Drawings

Fig. 1 is the structural schematic diagram of the milling machine narrow groove milling fixture of the utility model.

In the figure, 1 is a workpiece main body, 2 is a positioning block b, 3 is a nut, 4 is a positioning block, 5 is a bolt, 6 is a pressing plate, 7 is V-shaped iron, 8 is a positioning block c, 9 is a positioning block a, 10 is a positioning hole, and 11 is a positioning pin.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

The utility model relates to a milling machine mills narrow groove anchor clamps, its structure is as shown in figure 1, including the V type iron 7 that is provided with V type groove, V type iron 7 is fixed on milling machine table surface, still include the locating piece 4 that sets up as an organic whole with milling machine table surface, an organic whole is connected with the clamp plate 6 parallel with milling machine table surface on the locating piece 4, clamp plate 6 is located the extending direction in V type iron 7's top and clamp plate 6 and the extending direction in V type iron 7V type groove is perpendicular, U type groove has been seted up along its extension on clamp plate 6, U type inslot is provided with bolt 5, work piece main part 1 has been placed in V type groove of V type iron 7, be provided with locating hole 10 on work piece main part 1, install locating pin 11 in the.

As shown in fig. 1, the workpiece body 1 is a shaft-like workpiece, when the workpiece is processed, the central axis of the positioning hole 10 is perpendicular to the surface of the milling machine table, the central axis of the positioning hole 10 coincides with the radial line of the workpiece, the positioning pin 11 is installed in the positioning hole 10 for centering the central position of the workpiece 1, and the positioning pin 11 can be removed after the centering position.

The diameter of the positioning hole 10 is 18mm, and the diameter of the positioning pin 11 is 18 mm.

And a positioning block a9 is arranged at one end of the V-shaped iron 7, which is positioned at the narrow groove processing end of the workpiece main body 1, and the positioning block a9 is fixed on the surface of the milling machine workbench through a bolt and is used for limiting the axial movement of the workpiece main body 1.

And a positioning block c8 is further arranged at one end of the V-shaped iron 7 away from the positioning block a9, and the positioning block c8 and the positioning block a9 are used together for limiting the axial movement in the V-shaped groove of the workpiece body 1.

The positioning block c8 is detachably fixed on the milling machine table top through a bolt.

The V-shaped iron 7 is provided with a threaded hole, and the V-shaped iron 7 is fixed on the surface of a milling machine workbench through a T-shaped nut.

The bolt head of bolt 5 is installed in the milling machine table surface below, and the screw thread part of bolt 5 passes behind the milling machine table surface and stretches out the U type groove of clamp plate 6, and the part of bolt 5 that is located clamp plate 6 top is connected with nut 3.

The left side and the right side of the V-shaped iron 7 are symmetrically provided with positioning blocks b2, the positioning blocks b2 are fixed on a milling machine table top, the positioning blocks b2 are fixed on the milling machine table top and used for limiting the transverse position of the workpiece 1 on the table top, the two positioning blocks b2 are equal in height, and the upper bottom surface and the lower bottom surface of the positioning block b2 are parallel to the milling machine table top.

The utility model discloses the location of work piece cylindrical surface is done with longer V-arrangement groove, can restrict 4 degrees of freedom of work piece, two rotations, two removals, only along axial removal and around axial rotation do not have the restriction, consequently, locating piece a9 and locating piece c8 have been designed and have made its axial displacement restricted, thereby only remain and do not have the restriction around axial rotation, use locating pin 11 to insert in locating hole 10 when centering, the cutter only needs to find accurate V type iron center, just can find the center of accurate work piece centre bore promptly, the efficiency of processing has been improved greatly.

The utility model discloses when using, install anchor clamps on X6132 type milling machine, fix V type iron 7 on milling machine table surface with T type nut, rectify V type groove and vertical workstation and walk to parallel, then the work piece is pressed on V type groove with clamp plate 6, then screw up nut 3, press V type iron 7 on milling machine table surface with clamp plate 6, realize V type iron 7 location, locating pin 11 inserts in locating hole 10, in order to guarantee hole central line perpendicular to table surface, also guarantee that the axle box of cutting out is on a parallel with the hole central line, work piece saw groove end has locating piece c8 location, support the back on locating piece a9 with work piece main part 1 other end, guarantee that the clamping of work piece main part 1 stretches out V type groove end certain distance, then support on locating piece c8, and there is the gliding trend of prevention work piece main part 1 in V type groove.

Claims

1. The utility model provides a milling machine mills narrow groove anchor clamps, its characterized in that, including V type iron (7) that are provided with V type groove, V type iron (7) are fixed on milling machine table face, still include locating piece (4) that set up as an organic whole with milling machine table face, an organic whole is connected with clamp plate (6) parallel with milling machine table face on locating piece (4), clamp plate (6) are located the top of V type iron (7) and the extending direction of clamp plate (6) with the extending direction in V type iron (7) V type groove is perpendicular, U type groove has been seted up along its extension on clamp plate (6), U type inslot is provided with bolt (5), work piece main part (1) have been placed in the V type groove of V type iron (7), be provided with locating hole (10) on work piece main part (1), install locating pin (11) in locating hole (10).

2. The milling machine narrow groove milling clamp of the claim 1 is characterized in that one end of the V-shaped iron (7) positioned at the workpiece body (1) for processing the narrow groove is provided with a positioning block a (9), and the positioning block a (9) is fixed on the milling machine table top through bolts and is used for limiting the axial movement of the workpiece body (1).

3. A milling machine narrow groove milling clamp as claimed in claim 2, wherein a positioning block c (8) is further arranged at one end of the V-shaped iron (7) far away from the positioning block a (9), and the positioning block c (8) and the positioning block a (9) are used together for limiting axial movement in the V-shaped groove of the workpiece body (1).

4. A milling machine slot milling fixture as claimed in claim 3, wherein the locating block c (8) is detachably fixed on the milling machine table surface by bolts.

5. The milling machine narrow groove milling clamp according to claim 1, characterized in that a threaded hole is formed in the V-shaped iron (7), and the V-shaped iron (7) is fixed on a milling machine table top through a T-shaped nut.

6. The milling machine narrow groove milling clamp according to claim 1, characterized in that the bolt head of the bolt (5) is installed below the milling machine table, the thread part of the bolt (5) passes through the milling machine table and then extends out of the U-shaped groove of the pressure plate (6), and the part of the bolt (5) above the pressure plate (6) is connected with the nut (3).

7. The milling machine narrow groove milling clamp according to claim 1, wherein positioning blocks b (2) are symmetrically arranged on the left side and the right side of the V-shaped iron (7), and the positioning blocks b (2) are fixed on the surface of a milling machine workbench.