CN212735558U - Planet wheel for grinding cobalt-based alloy chemical fiber cutting knife blank - Google Patents

Abstract

A planet wheel for grinding a cobalt-based alloy chemical fiber cutting knife blank belongs to the technical field of grinding and processing of chemical fiber cutting knives and solves the problems that the processing of the cobalt-based alloy chemical fiber cutting knife blank in the thickness direction in the prior art adopts a traditional flat grinding process, only single-sheet single-side processing is available, the cobalt-based alloy chemical fiber cutting knife is deformed and warped due to heat generated in the flat grinding process, the processing efficiency is low and the processing precision is influenced, the planet wheel is characterized in that outer teeth are processed on the outer circumference of a planet wheel base body of a circular metal sheet, a plurality of positioning through holes which are communicated from front to back and used for placing the cobalt-based alloy chemical fiber cutting knife blank are processed on the circular surface of the planet wheel base body of the circular metal sheet, the positioning through holes are irregularly hexagonal in shape, and the planet wheel has the beneficial effects that 2-6 cobalt, and the two sides are simultaneously ground, so that the processing efficiency and the processing precision of the cobalt-based alloy chemical fiber cutting-off tool blank are improved.

Description

Planet wheel for grinding cobalt-based alloy chemical fiber cutting knife blank

Technical Field

The utility model belongs to the technical field of chemical fiber cutting off cutter grinding, in particular to a planet wheel that is used for cobalt base alloy chemical fiber cutting off cutter blank grinding process.

Background

In the prior art, the processing of the blank of the cobalt-based alloyed chemical fiber cutting-off tool in the thickness direction adopts the traditional flat grinding process, namely, the cobalt-based alloyed chemical fiber cutting knife blank is directly and horizontally placed on a flat grinding machine for flat grinding, because the cobalt-based alloyed chemical fiber cutting knife blank is a thin sheet product with the thickness of only 1-4 mm, particularly, the proportion below 2 mm is very high, and the cobalt-based alloy has no magnetism and can not be absorbed by an electromagnetic chuck of a flat grinding machine, therefore, the flat grinding in the thickness direction can only be carried out on a single sheet and a single surface, the blank of the cobalt-based alloy chemical fiber cutting knife can not be adsorbed on a magnetic disk and can only be squeezed by a stop block made of a ferromagnetic material, and the blank of the cobalt-based alloy chemical fiber cutting knife can be deformed and warped due to the heat generated in the flat grinding process, therefore, the blank of the cobalt-based alloyed chemical fiber cutting-off tool needs to be turned over and flat ground repeatedly for many times, so that the processing efficiency is low and the processing precision is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art's weak point, provide one kind and be used for cobalt base alloy chemical fibre cutting off cutter blank to grind the planet wheel of processing that can improve cobalt base alloy chemical fibre cutting off cutter blank machining efficiency and guarantee the machining precision.

The utility model discloses a technical scheme include the planet wheel base member, the planet wheel base member is a circular foil, and processing has the external tooth on the outer circumference of circular foil's planet wheel base member, and the circular of the planet wheel base member at circular foil processes the positioning hole who is used for placing cobalt-based alloy chemical fiber cutting off cutter blank that link up around having a plurality of on the surface.

The planet wheel base body is a circular metal sheet with the diameter of 300-360 millimeters and the thickness of 1-4 millimeters.

The positioning through holes are in irregular hexagons, wherein the first edge is parallel to the fourth edge, the second edge is parallel to the fifth edge, a first inclined plane is arranged between the first edge and the fifth edge, and a second inclined plane is arranged between the second edge and the fourth edge.

2-6 positioning through holes which are communicated in front and back and used for placing a cobalt-based alloy chemical fiber cutting knife blank are processed on the circular surface of the planet wheel base body.

150-160 outer teeth are processed on the outer circumference of the planet wheel base body.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses it has the external tooth to process on circular foil's planet wheel base member's outer circumference, the circular surface of circular foil's planet wheel base member is processed a plurality of and is had a location through-hole that link up around being used for placing cobalt-base alloy chemical fibre cutting off cutter blank, location through-hole's shape is the anomalous hexagon that suits with the irregular hexagon shape of cobalt-base alloy chemical fibre cutting off cutter blank, during the use cobalt-base alloy chemical fibre cutting off cutter blank is held through the upper and lower abrasive disc of double side grinder centre gripping, the external tooth of planet wheel base member meshes with the ring gear and the outer ring gear of double side grinder simultaneously, the relative rotation of the upper abrasive disc and the lower abrasive disc of double side grinder, planet wheel carries out planetary motion through ring gear and outer ring gear, after cobalt-base alloy chemical fibre cutting off cutter blank thickness reached the appointed, therefore, the problems that the cobalt-based alloy is not magnetic, the cobalt-based alloy chemical fiber cutting-off tool blank cannot be adsorbed by an electromagnetic chuck of a flat grinding machine, and the cobalt-based alloy chemical fiber cutting-off tool blank is low in machining efficiency and affects machining precision due to the fact that deformation and warping generated by flat grinding machining can be squeezed by a stop block made of a ferromagnetic material are solved, the machining efficiency of the cobalt-based alloy chemical fiber cutting-off tool blank can be improved, and the machining precision of the cobalt-based alloy chemical fiber cutting-off tool blank is guaranteed. In the actual operation experiment, can place 4 ~ 6 planet wheels in every double-sided grinding machine at every turn, 2 ~ 6 pieces of cobalt base alloy chemical fibre cutting off cutter blanks can be placed to every planet wheel to two-sided grinding simultaneously, therefore production efficiency obtains very big improvement.

Drawings

FIG. 1 is a front view of a cobalt-based alloyed chemical fiber cutting blade blank;

FIG. 2 is a left side view of FIG. 1;

fig. 3 is a front view of the present invention;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

fig. 5 is a schematic view of the shape of a single positioning through-hole in fig. 3.

In the figure:

1-1. rectangular thin sheets,

1-2, a first inclined plane,

1-3, a second inclined plane,

2-1, a planet wheel base body,

2-2. external teeth of the motor,

2-3. positioning the through hole

2-3-1, a first edge, 2-3-2, a second edge,

2-3-3, a second inclined plane, 2-3-4, a fourth side,

2-3-5, a fifth edge, and 2-3-6, a first inclined surface.

Detailed Description

The following provides a detailed description of the present invention with reference to the accompanying drawings.

As shown in fig. 1 and 2, the blank of the cobalt-based alloy chemical fiber cutting knife is a sheet-shaped product, the thickness of the blank is only 1-4 mm, the substrate of the blank of the cobalt-based alloy chemical fiber cutting knife is a rectangular sheet 1-1, a first inclined surface 1-2 is formed by cutting off one corner of the left end of the rectangular sheet 1-1 from the lower half part of the horizontal center line, a second inclined surface 1-3 is formed by cutting off one corner of the right end from top to bottom, and the whole blank is in an irregular hexagonal shape.

In order to make and overcome cobalt base alloy and do not have magnetism, cobalt base alloy chemical fibre cutting off cutter blank can't be adsorbed by the electromagnet of flush grinder, the deformation warpage that the processing produced of carrying out the flush grinder can only be crowded to the dog that only can rely on the ferromagnetic material preparation to and thickness direction flush grinder can only single face processing lead to the problem that cobalt base alloy chemical fibre cutting off cutter blank machining efficiency is low and influence the machining precision, the utility model discloses a two-sided grinding equipment is processed to for this reason provide the planet wheel that is used for cobalt base alloy chemical fibre cutting off cutter blank grinding and processing as shown in fig. 3 ~ 5.

As shown in fig. 3 and 4, the technical solution of the present invention includes a planet wheel base body 2-1, the planet wheel base body 2-1 is a circular metal sheet with a diameter of 300-360 mm and a thickness of 1-4 mm, 150-160 external teeth 2-2 are processed on the outer circumference of the planet wheel base body 2-1 of the circular metal sheet with a diameter of 300-360 mm, a plurality of positioning through holes 2-3 which are through from front to back and used for placing cobalt-based alloy chemical fiber cutting knife blanks are processed on the circular surface of the planet wheel base body 2-1 of the circular metal sheet, the positioning through holes 2-3 are uniformly distributed along the circular surface of the planet wheel base body 2-1, 2-6 cobalt-based alloy chemical fiber cutting knife blanks can be uniformly distributed according to the size of the cobalt-based alloy chemical fiber cutting knife blanks, and 4 positioning through holes 2-3 are shown in fig.;

as shown in FIG. 5, the shape of the single positioning through hole 2-3 of the present invention is an irregular hexagon adapted to the irregular hexagon shape of the blank of the cobalt-based alloyed chemical fiber cutting tool, wherein the first side 2-3-1 is parallel to the fourth side 2-3-4, the second side 2-3-2 is parallel to the fifth side 2-3-5, a first inclined plane 2-3-6 is formed between the first side 2-3-1 and the fifth side 2-3-5, and a second inclined plane 2-3-3 is formed between the second side 2-3-2 and the fourth side 2-3-4.

When the thickness of the cobalt-based alloy chemical fiber cutting knife blank is ground, firstly, the cobalt-based alloy chemical fiber cutting knife blank with the qualified thickness and the allowance for machining is placed into the positioning through hole 2-3, 2-6 pieces of cobalt-based alloy chemical fiber cutting knife blanks can be placed in each planet wheel according to the size of the cobalt-based alloy chemical fiber cutting knife blank, and 4-6 planet wheels can be placed in each double-sided grinding machine each time;

during operation, planet wheel base member 2-1's external tooth 2-2 simultaneously with double side grinder's ring gear and outer ring gear meshing, put into cobalt base alloy chemical fibre cutting off cutter blank in all planet wheel positioning hole 2-3 and push down under last grinding disk, start the silt pump, double side grinder goes up grinding disk and grinds the disk relatively rotation down, the planet wheel carries out planetary motion through ring gear and outer ring gear, after cobalt base alloy chemical fibre cutting off cutter blank thickness reached the appointed requirement, the two-sided grinding of cobalt base alloy chemical fibre cutting off cutter blank is ended.

Claims (5)

1. The planet wheel for grinding the cobalt-based alloy chemical fiber cutting knife blank comprises a planet wheel base body (2-1) and is characterized in that the planet wheel base body (2-1) is a circular metal sheet, external teeth (2-2) are machined on the outer circumference of the planet wheel base body (2-1) of the circular metal sheet, and a plurality of positioning through holes (2-3) which are communicated with each other in the front and at the back and are used for placing the cobalt-based alloy chemical fiber cutting knife blank are machined on the circular surface of the planet wheel base body (2-1) of the circular metal sheet.

2. The planet wheel for grinding the cobalt-based alloyed chemical fiber cutting knife blank as claimed in claim 1, wherein the planet wheel base body (2-1) is a circular metal sheet with a diameter of 300-360 mm and a thickness of 1-4 mm.

3. The planet wheel for grinding the cobalt-based alloyed chemical fiber cutting blade blank according to claim 1 or 2, wherein the positioning through hole (2-3) is in the shape of an irregular hexagon, wherein a first side (2-3-1) is parallel to a fourth side (2-3-4), a second side (2-3-2) is parallel to a fifth side (2-3-5), a first bevel (2-3-6) is arranged between the first side (2-3-1) and the fifth side (2-3-5), and a second bevel (2-3-3) is arranged between the second side (2-3-2) and the fourth side (2-3-4).

4. The planet wheel for grinding the cobalt-based alloyed chemical fiber cutting knife blank as claimed in claim 1 or 2, wherein 2-6 positioning through holes (2-3) which are through from front to back and used for placing the cobalt-based alloyed chemical fiber cutting knife blank are machined in the circular surface of the planet wheel base body (2-1).

5. The planet wheel for grinding the cobalt-based alloyed chemical fiber cutting knife blank as claimed in claim 1 or 2, characterized in that 150-160 external teeth (2-2) are machined on the outer circumference of the planet wheel base body (2-1).

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