CN212578172U - End face chamfering tool - Google Patents

Abstract

The utility model provides an end face chamfering tool, which comprises a dividing head and a dividing head base, wherein the dividing head is arranged on an installation plane of the dividing head base, and the installation plane of the dividing head base and the bottom surface form a preset angle; the center of the dividing head is provided with a jack for placing a workpiece, and the end face of the dividing head is provided with a clamping mechanism; the bottom of the jack is inserted with a top column, the mounting plane of the base of the dividing head is provided with a containing groove, a cam disc is arranged in the containing groove, the cam disc is abutted against the bottom end of the top column, and when the dividing head drives the top column to rotate, the top column moves up and down along the jack under the action of the cam disc. When the end face chamfering tool is used for chamfering and machining a workpiece, only the indexing head needs to be rotated, and manual turnover and repeated clamping are not needed for multiple times, so that the machining efficiency is improved, and labor and time are saved; the cam disc and the jacking column are arranged, so that the workpiece can be lifted while rotating, the chamfering size of the workpiece is consistent, the operation is convenient, and the replacement cost of accessories is low.

Description

End face chamfering tool

Technical Field

The utility model relates to a machining frock technical field especially indicates a terminal surface frock of falling limit.

Background

At present, the end face chamfering processing of a workpiece with a polygonal section is mainly implemented on a milling machine or a processing center device, when the workpiece is processed on the milling machine, the workpiece needs to be placed on a vice of a milling machine workbench, the vice and a cutter have a certain angle, after a seamed edge is processed, the workpiece is loosened, turned over and clamped, and then the workpiece is milled, the workpiece needs to be turned over and manually clamped for many times, so that the labor efficiency is low, and the labor intensity is high; if the machining center is used for machining, programming milling is needed, and the equipment cost is high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an end face chamfering frock adds man-hour in order to solve the terminal surface that adopts the milling machine to carry out chamfering to the work piece that the cross-section is polygonal at present, needs manual upset many times and clamping work piece again, the low and big problem of intensity of labour of machining efficiency.

In order to solve the technical problem, the utility model provides a following technical scheme:

an end face chamfering tool comprises a dividing head and a dividing head base, wherein the dividing head is arranged on an installation plane of the dividing head base, and the installation plane of the dividing head base and a bottom surface form a preset angle; the center of the dividing head is provided with an insertion hole for placing a workpiece, and the end face of the dividing head is provided with a clamping mechanism for clamping the workpiece; the bottom of the jack is inserted with a jack post for supporting the workpiece, a containing groove is formed in the mounting plane of the dividing head base, a cam disc is arranged in the containing groove and is abutted against the bottom end of the jack post, and when the dividing head drives the jack post to rotate, the jack post moves up and down along the jack under the action of the cam disc.

The end face of the cam disc is provided with a concave-convex curved surface, the concave-convex curved surface comprises a convex point surface and a concave point surface which are arranged at intervals along the circumference, a first protruding structure and a second protruding structure which correspond to the concave-convex curved surface in position are arranged on the bottom end face of the top column, and the first protruding structure and the second protruding structure are symmetrically arranged.

The jack is internally provided with a hole sleeve matched with the cross section of the workpiece in shape, and the hole sleeve is in clearance fit with the workpiece.

One end of the top column is inserted into the hole sleeve and is connected with the hole sleeve in a sliding mode.

The cam disc is in a circular ring shape and is fixed with the indexing head base through a bolt.

Wherein an angle between the mounting plane and the bottom surface of the index head base is less than 90 °.

Wherein, the clamping mechanism is an oil cylinder clamping mechanism.

Wherein, smooth transition is adopted between the convex point surface and the concave point surface.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:

in the scheme, the end face chamfering tool can enable the axis of the workpiece to keep a certain angle with the horizontal plane, and when chamfering the workpiece, only the indexing head needs to be rotated, and manual turnover and repeated clamping are not needed for multiple times, so that the machining efficiency is improved, and labor and time are saved; the cam disc and the jacking column are arranged, so that the workpiece can be lifted while rotating, the chamfering size of the workpiece is consistent, the operation is convenient, and the replacement cost of accessories is low.

Drawings

Fig. 1 is a schematic structural view of the end face chamfering tool of the present invention;

FIG. 2 is a schematic view of the end face chamfering tool according to the present invention;

fig. 3 is a sectional view of the end face chamfering tool of the present invention;

fig. 4 is a schematic structural view of a cam disc of the end face chamfering tool according to the present invention;

fig. 5 is a schematic structural view of the top pillar of the end face chamfering tool of the present invention;

fig. 6 is a schematic structural diagram of the workpiece processed by the present invention.

[ reference numerals ]

1. A dividing head base;

2. a dividing head;

3. a cam plate;

4. a top pillar;

5. a workpiece;

6. oil cylinder clamping mechanism

7. A milling cutter disc.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 6, an embodiment of the present invention provides an end face chamfering tool, which includes a dividing head 2 and a dividing head base 1, wherein the dividing head 2 is disposed on an installation plane of the dividing head base 1, and a predetermined angle smaller than 90 ° is formed between the installation plane of the dividing head base 1 and a bottom surface, and preferably, the predetermined angle may be a common angle such as 30 °, 45 °, 60 °, and the like; the center of the dividing head 2 is provided with a jack for placing a workpiece 5, and the end face of the dividing head 2 is provided with an oil cylinder clamping mechanism 6 for clamping the workpiece 5.

As shown in fig. 2, the rotation plane of the milling cutter disc 7 is parallel to the bottom surface of the dividing head base 1, and the chamfered edge of the edge to be machined above the workpiece 5 can be milled at one time no matter whether the milling cutter or the tool is fed back and forth left and right, wherein the size of the chamfered edge can be adjusted by the cutting amount of the milling cutter disc 7. The diameter of the milling cutter disk 7 is larger than the size of the long edge of the end face of the workpiece 5, and the milling cutter disk 7 feeds along the central axis of the workpiece 5 when feeding, so that the milling cutter disk 7 can wrap the milled full-chamfered edge without feeding too much during machining, the feeding movement amount is short, and the efficiency is high. After one edge is machined, the dividing head 2 is driven by the servo motor to rotate for a certain angle, and the specific rotating angle is matched with the section shape of the prism.

The end face chamfering tool provided by the embodiment can be used for processing workpieces with sections of regular polygons such as squares and regular hexagons, and can also be used for processing workpieces with sections of non-regular polygons such as rectangular prisms. As shown in fig. 3, a support pillar 4 for supporting a workpiece 5 is inserted into the bottom of the insertion hole, a receiving groove is formed in the mounting plane of the index head base 1, a cam plate 3 is arranged in the receiving groove, the cam plate 3 is fixed to the index head base 1 through an inner annular protrusion by a bolt, the cam plate 3 abuts against the bottom end of the support pillar 4, the index head 2 can drive the support pillar 4 to rotate when rotating, the support pillar 4 slides on the end face of the cam plate 3, and moves up and down along the insertion hole under the action of the cam plate 3, and the workpiece 5 also moves up and down along the insertion hole under the supporting action of the support pillar 4, so that the height of the edge to be machined, which is located above the workpiece 5 each time, is kept consistent, and the machined chamfered edge is.

As shown in fig. 4, the cam disc 3 is circular, a concave-convex curved surface is arranged on the end surface of the cam disc, the concave-convex curved surface comprises convex point surfaces and concave point surfaces which are arranged at intervals along the circumference, the convex point surfaces and the concave point surfaces are in smooth transition, the interval between the adjacent convex point surfaces and concave point surfaces is matched with the cross section shape of the workpiece 5, and the height difference value of the convex point surfaces and the concave point surfaces is determined by the rotation height difference of the long side and the short side of the workpiece 5; as shown in fig. 5, a first protruding structure and a second protruding structure corresponding to the concave-convex curved surface are arranged on the bottom end surface of the top pillar 4, and the first protruding structure and the second protruding structure are symmetrically arranged.

In the embodiment, a hole sleeve matched with the cross section of the workpiece 5 in shape is arranged in the insertion hole, and the hole sleeve is in clearance fit with the workpiece 5; one end of the top column 4 is inserted into the hole sleeve, the cross section of the top column is matched with the hole sleeve, and the top column is also in clearance fit with the hole sleeve and can slide along the hole sleeve.

After one edge of the workpiece 5 is machined, the oil cylinder clamping mechanism 6 is enabled to loosen the workpiece 5, the dividing head 2 is rotated, the rotating disc of the dividing head 2 rotates to drive the ejection column 4 in the hole sleeve to rotate, and the first protruding structure and the second protruding structure at the bottom end of the ejection column 4 are tightly attached to the concave-convex curved surface, so that the ejection column 4 pushes the workpiece 5 to move up and down in the hole sleeve, after the dividing head 2 rotates, the workpiece 5 reaches a preset position, the oil cylinder clamping mechanism 6 is enabled to clamp the workpiece 5, milling machining is carried out again until all sides are chamfered, and the machined workpiece shown in fig. 6 is obtained.

The embodiment provides a scheme, the section of a processing workpiece 5 is rectangular, and the installation plane of a dividing head base 1 and the bottom surface form an angle of 45 degrees; the rotary plane of the milling cutter disk 7 is parallel to the bottom surface of the dividing head base 1 and forms 45 degrees with the end surface to be machined of the workpiece 5. The adjacent convex and concave surfaces on the cam plate 3 are spaced 90 apart. And when each edge is milled, the dividing head 2 rotates for 90 degrees under the driving of the servo motor, and the edge adjacent to the dividing head is machined.

In the scheme, the end face chamfering tool adopts a dividing head mechanism, the cost is low, the axis of the workpiece can keep a certain angle with the horizontal plane, and when chamfering is carried out on the workpiece, only the dividing head needs to be rotated, and manual turning and repeated clamping do not need to be carried out for multiple times, so that the processing efficiency is improved, and the labor and the time are saved; the cam disc and the jacking column are arranged, so that the workpiece can be lifted while rotating, the chamfering size of the workpiece is consistent, the operation is convenient, and the replacement cost of accessories is low.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (8)

1. An end face chamfering tool comprises a dividing head and a dividing head base, and is characterized in that the dividing head is arranged on a mounting plane of the dividing head base, and the mounting plane of the dividing head base and a bottom surface form a preset angle; the center of the dividing head is provided with an insertion hole for placing a workpiece, and the end face of the dividing head is provided with a clamping mechanism for clamping the workpiece; the bottom of the jack is inserted with a jack post for supporting the workpiece, a containing groove is formed in the mounting plane of the dividing head base, a cam disc is arranged in the containing groove and is abutted against the bottom end of the jack post, and when the dividing head drives the jack post to rotate, the jack post moves up and down along the jack under the action of the cam disc.

2. The end face beveling tool according to claim 1, wherein a concave-convex curved surface is arranged on the end face of the cam disc, the concave-convex curved surface comprises convex point surfaces and concave point surfaces which are arranged at intervals along the circumference, a first protruding structure and a second protruding structure which correspond to the concave-convex curved surface in position are arranged on the bottom end face of the top column, and the first protruding structure and the second protruding structure are symmetrically arranged.

3. The end face beveling tool according to claim 1, wherein a hole sleeve matched with the cross-sectional shape of the workpiece is arranged in the insertion hole, and the hole sleeve is in clearance fit with the workpiece.

4. The end face beveling tool according to claim 3, wherein one end of the jack-post is inserted into the hole sleeve and is slidably connected with the hole sleeve.

5. The end face beveling tool as claimed in claim 1, wherein the cam disc is circular and is fixed to the index head base by bolts.

6. The end face beveling tool of claim 1 wherein the angle between the mounting plane of the index head base and the bottom face is less than 90 °.

7. The end face beveling tool of claim 1 wherein the clamping mechanism is a cylinder clamping mechanism.

8. The end face beveling tool of claim 2 wherein the convex point surface and the concave point surface are in smooth transition.

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