CN110877213A

CN110877213A - Key groove milling machine fixture for processing of hand-cutting type double-row mandrel

Info

Publication number: CN110877213A
Application number: CN201911227233.4A
Authority: CN
Inventors: 张继东; 陈亮; 范耿; 王赛赛
Original assignee: Anhui Institute of Information Engineering
Current assignee: Anhui Institute of Information Engineering
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-03-13

Abstract

The invention discloses a keyway milling machine fixture for processing a hand-cutting type double-row mandrel, which comprises a fixture body and two groups of clamping blocks, wherein each group of clamping blocks comprises an upper V-shaped block and a V-shaped block which are arranged up and down, the fixture body is detachably arranged on a milling machine base, the two groups of clamping blocks are arranged on the fixture body in parallel, the V-shaped block is detachably arranged on the fixture body, the upper V-shaped block is detachably arranged on the V-shaped block, V-shaped notches of the V-shaped block and the upper V-shaped block are oppositely arranged, and the mandrel can be clamped and arranged in the V-shaped notch. During processing and using, the mandrel is clamped and arranged in the V-shaped notch, and the V-shaped block and the upper V-shaped block are closed, so that the mandrel can be fixed. The processing of the key groove of the mandrel is convenient and fast, and the positioning is accurate, so that the working hours can be reduced, the qualification rate of products can be improved, and the generation of defective products can be reduced.

Description

Key groove milling machine fixture for processing of hand-cutting type double-row mandrel

Technical Field

The invention relates to a milling machine fixture, in particular to a keyway milling machine fixture for processing a hand-cutting type double-row mandrel.

Background

Spindles for supporting rotating parts to receive only bending moment without transmitting torque, some spindles rotating such as a shaft of a railway car, etc., and some spindles not rotating such as a shaft supporting a pulley, etc. While the keyway on the shaft is used to mount the key for circumferential securement with the spindle and the part, the keyway plays a significant role in the assembly of the spindle.

The milling machine fixture is mainly used for processing planes, grooves, splines and various forming surfaces on parts, and is one of the most commonly used fixtures. Mainly comprises a positioning device, a clamping device, a clamp body, a connecting element and a tool setting element. Most existing shaft milling jigs do not have spindle milling jigs, and the problem that key grooves of spindles are inconvenient to machine is caused.

Disclosure of Invention

The invention aims to solve the technical problems that in the prior art, no specific spindle keyway milling jig is provided, a lot of unnecessary large manpower and material resources are wasted and machining is complicated each time when machining of a spindle keyway is involved, and provides a guillotine-type double-row spindle keyway milling jig for machining.

In order to achieve the purpose, the invention provides a key groove milling machine fixture for processing a hand-cutting type double-row mandrel, which comprises a fixture body and two groups of clamping blocks, wherein each group of clamping blocks comprises an upper V-shaped block and a V-shaped block which are arranged up and down, the fixture body is detachably arranged on a milling machine base, the two groups of clamping blocks are arranged on the fixture body in parallel, the V-shaped block is detachably arranged on the fixture body, the upper V-shaped block is detachably arranged on the V-shaped block, V-shaped grooves of the V-shaped block and the upper V-shaped block are oppositely arranged, and the mandrel can be clamped and arranged in the V-shaped grooves.

Preferably, the tool setting block is further included, wherein the tool setting block is arranged on one side of one group of clamping blocks.

Preferably, the pair of tool blocks is detachably arranged on one side of one group of clamping blocks through a group of threaded cylindrical pins and hexagon socket head cap screws.

Preferably, two sides of the clamp body are inwards sunken to form U-shaped ear seats.

Preferably, one end of the upper V-shaped block is detachably connected with the V-shaped block through a rotating screw, and the other end of the upper V-shaped block is detachably connected with the V-shaped block through a pin.

Preferably, the lower end of the V-shaped block is connected with the clamp body through a group of threaded cylindrical pins and hexagon socket head cap screws.

Preferably, the lower parts of the two ends of the V-shaped block protrude outwards to form L-shaped ends, and the compression screw penetrates through the L-shaped ends to be connected with the clamp body.

Preferably, the V-block is connected to the clamp body by a threaded cylindrical pin.

Preferably, the clamp body is connected with the milling machine base through a positioning key and a slotted screw.

Preferably, a plurality of V-shaped notches are correspondingly arranged in the upper V-shaped block and the V-shaped block. Additional features and advantages of the invention will be set forth in the detailed description which follows.

In the technical scheme, the key groove milling machine fixture for the cutting and pulling type double-row mandrel machining comprises a fixture body and two groups of clamping blocks, each group of clamping blocks comprises a pair of upper V-shaped block and a pair of lower V-shaped block, the fixture body is detachably arranged on a milling machine base, the two groups of clamping blocks are arranged on the fixture body in parallel, the V-shaped blocks are detachably arranged on the fixture body, the upper V-shaped blocks are detachably arranged on the V-shaped blocks, V-shaped grooves of the V-shaped blocks and the upper V-shaped blocks are oppositely arranged, and a mandrel can be clamped in the V-shaped grooves. During processing and using, the mandrel is clamped and arranged in the V-shaped notch, and the V-shaped block and the upper V-shaped block are closed, so that the mandrel can be fixed.So thatThe processing of the key groove of the mandrel becomes convenient and fast, and the positioning is accurate, so that the working hours are reduced, the qualification rate of products is improved, and the generation of defective products is reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a side view and partially cross-sectional structural schematic view of a keyway milling jig in a preferred embodiment of the invention;

FIG. 2 is an enlarged partial cross-sectional view of the structure of FIG. 1;

FIG. 3 is a schematic top view of a keyway milling jig in a preferred embodiment of the invention;

FIG. 4 is a schematic cross-sectional view of a keyway milling fixture in a preferred embodiment of the invention.

Description of the reference numerals

1 thread cylindric lock 2 hexagon socket head cap screws

3V-shaped block on tool setting block 4

6 screw thread cylindric locks of 5 hexagonal socket head cap screws

7 rotating screw 8 pin

9 compression screw 10V type block

11 clamp body 12 slotted screw

13 positioning key

Detailed Description

The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

In the present invention, unless otherwise specified, the directional words "upper, lower, bottom, side" and the like included in the terms merely represent the orientation of the terms in a conventional use state or are colloquially understood by those skilled in the art, and should not be construed as limiting the terms.

As shown in fig. 1-4, the present invention provides a key slot milling machine fixture for cutting and pulling type double-row mandrel processing, which comprises a fixture body 11 and two sets of clamping blocks, wherein each set of clamping block comprises a pair of upper V-shaped block 4 and V-shaped block 10 which are arranged up and down, the fixture body 11 is detachably arranged on a milling machine base, the two sets of clamping blocks are arranged on the fixture body 11 in parallel, wherein the V-shaped block 10 is detachably arranged on the fixture body 11, the upper V-shaped block 4 is detachably arranged on the V-shaped block 10, and V-shaped notches of the V-shaped block 10 and the upper V-shaped block 4 are arranged oppositely and can clamp and arrange a mandrel in the V-shaped notch. In the processing and use, the mandrel is clamped and arranged in the V-shaped notch, and the mandrel can be fixed by combining the V-shaped block 10 and the upper V-shaped block 4.So thatMandrelThe processing of the key groove becomes convenient and fast, and the positioning is accurate, so that the working hours are reduced, the qualification rate of products is improved, and the generation of defective products is reduced.

In a preferred embodiment of the invention, in order to improve the machining accuracy, the invention further comprises an feeler block 3, wherein the feeler block 3 is arranged on one side of one of the sets of clamping blocks.

In a preferred embodiment of the invention, the feeler block 3 is detachably arranged on one side of one of the sets of clamping blocks by means of a set of threaded cylindrical pins 1 and socket head cap screws 2.

In a preferred embodiment of the present invention, both sides of the clamp body 11 are recessed inward to form U-shaped ear seats.

In a preferred embodiment of the present invention, one end of the upper V-block 4 is detachably connected to the V-block 10 by rotating the screw 7, and the other end is detachably connected to the V-block 10 by the pin 8.

In a preferred embodiment of the present invention, the lower end of the V-block 10 is connected to the clamp body 11 by a set of threaded cylindrical pins 6 and socket head cap screws 5.

In a preferred embodiment of the present invention, the V-shaped block 10 further protrudes outward below both ends to form an L-shaped end, and the compression screw 9 passes through the L-shaped end to connect with the clamp body 11.

In a preferred embodiment of the invention, the V-block 10 is connected to the clamp body 11 by means of a threaded cylindrical pin screw 1.

In a preferred embodiment of the invention, the clamp body 11 is connected to the milling machine base by means of a positioning key 13 and a slotted screw 12.

In a preferred embodiment of the present invention, a plurality of V-notches are provided in the upper V-block 4 and the V-block 10, respectively. This makes it possible to fix a plurality of spindles at a time, thereby improving the efficiency of machining.

Taking a specific embodiment of the present invention as an example, the U-shaped ear seat on the clamp body 11 functions to fix the clamp body 11 and the milling machine base. V type piece 10 is fixed on anchor clamps body 11 with screw thread cylindric lock 6 and hexagon socket head cap screw 5, goes up type V piece 4 and V type piece 10 and adopts pin 8 and rotate screw rod 7 fixed, and pin 8 is as location and fixed action, rotates screw rod 7 and plays and presss from both sides tight 2V type pieces and mandrel effect, adopts to rotate screw rod 7 and pin 8 and has saved the time that presss from both sides tight work piece, improves work efficiency. The tool setting block 3 is fixed on the clamp body 11 by adopting the combined action of the cylindrical head screw 2 and the threaded cylindrical pin 1, and plays a role in fixing a mandrel and determining the positions of the clamp and a cutter. The positioning key 13 is used for positioning the clamp body 11 and a machine tool base.

And (3) putting the whole fixture on a milling machine base during machining, loosening the rotating screw 7, pulling up the pin 8, putting the mandrel between the two V blocks, putting the pin 8 in, and screwing the rotating screw 7. The position of the cutter block 3 is adjusted to process. Simple structure, perfect functions, time saving and cost saving.

The dimensions of the present invention may be adjusted according to the size of the milling machine and the workpiece, and in the drawings that follow the present invention, the scale is merely an exemplary illustration of a single embodiment, and is not a limitation on the specific dimensions of the present invention.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.

In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.

Claims

1. The utility model provides a double key groove milling machine anchor clamps for mandrel processing of hand hay cutter formula, a serial communication port, including anchor clamps body (11) and two sets of grip blocks, every group grip block includes last V type piece (4) and V type piece (10) that set up about a pair of, wherein, anchor clamps body (11) detachably sets up on the milling machine base, two sets of grip blocks parallel arrangement are on anchor clamps body (11), wherein, V type piece (10) detachably sets up on anchor clamps body (11), it sets up on V type piece (10) and the V type notch of last V type piece (4) relatively sets up and can set up the mandrel centre gripping in V type notch to go up V type piece (4) detachably.

2. The keyway milling machine jig for machining a double-row mandrel of the hand-hay cutter type as set forth in claim 1, further comprising an feeler block (3), wherein the feeler block (3) is provided on one side of one of the sets of holding blocks.

3. The keyway milling machine jig for the processing of the double-row mandrel of the hand hay cutter type as set forth in claim 2, wherein the feeler block (3) is detachably provided to one side of one of the sets of the holding blocks by a set of threaded cylindrical pins (1) and socket cap screws (2).

4. The keyway milling machine jig for processing of a double-row mandrel of the hand hay cutter type as claimed in claim 1, wherein both sides of the jig body (11) are recessed inward to form U-shaped lug seats.

5. The keyway milling machine jig for processing of a double-row mandrel of the hand hay cutter type as claimed in claim 1, wherein one end of the upper V-shaped block (4) is detachably connected to the V-shaped block (10) by means of a rotating screw (7), and the other end is detachably connected to the V-shaped block (10) by means of a pin (8).

6. The keyway milling machine fixture for processing the double-row mandrel of the hand-hay-type as claimed in claim 1, wherein the lower end of the V-shaped block (10) is connected with the fixture body (11) through a set of threaded cylindrical pins (6) and socket head cap screws (5).

7. The keyway milling machine fixture for processing the double-row mandrel in the pulling type according to claim 6, wherein the lower parts of the two ends of the V-shaped block (10) are also protruded outwards to form L-shaped ends, and the compression screws (9) penetrate through the L-shaped ends to be connected with the fixture body (11).

8. The keyway milling machine fixture for processing the double-row mandrel of the hand-hay cutter type as claimed in claim 1, wherein the V-shaped block (10) is connected with the fixture body (11) through the threaded cylindrical pin (1).

9. The keyway milling machine fixture for processing of double-row mandrel of formula i as claimed in claim 1, wherein the fixture body (11) is connected to the milling machine base through a positioning key (13) and a slotted screw (12).

10. The key way milling machine tool for the cutting and pulling type double-row mandrel processing as claimed in any one of claims 1 to 9, wherein a plurality of V-shaped notches are correspondingly arranged in the upper V-shaped block (4) and the V-shaped block (10).